0000922621-23-000007 | 10-K | XBRL Viewer

Fixed Assets

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

The following table summarizes our fixed assets by category as of December 31:


(in thousands)	2022		2021
Software	$	312,126	$	259,586
Land, buildings, and building improvements	213,263		211,624
Equipment	43,430		42,295
Furniture and fixtures	21,794		21,694
Leasehold improvements	1,393		1,342
Projects in progress	63,317		34,569

Total fixed assets, gross	655,323		571,110
Less: Accumulated depreciation and amortization	(241,449)		(196,308)
Fixed assets, net	$	413,874	$	374,802

Software increased primarily due to the renewal of desktop and mainframe software licenses as well as internally developed software projects completed and placed in service.

Projects in progress include certain computer software and software developments costs for internal use that are not yet subject to amortization as well as home office renovations that are not yet subject to depreciation. The increase in projects in progress is primarily due to an increase in software development costs.

Depreciation and amortization of fixed assets totaled $45.9 million, $37.2 million and $21.2 million for the years ended December 31, 2022, 2021 and 2020, respectively, and is included in cost of operations - policy issuance and renewal services.

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies We have an agreement with a bank for an agent loan participation program. The maximum amount of loans to be funded through this program is $100 million. We have committed to fund a minimum of 30% of each loan executed through this program. As of December 31, 2022, loans executed under this agreement totaled $51.2 million, of which our portion of the loans is $17.4 million. Additionally, we have agreed to guarantee a portion of the funding provided by the other participants in the program in the event of default. As of December 31, 2022, our maximum potential amount of future payments on the guaranteed portion is $6.3 million. All loan payments under the participation program are current as of December 31, 2022. We are involved in litigation arising in the ordinary course of conducting business. In accordance with current accounting standards for loss contingencies and based upon information currently known to us, we establish reserves for litigation when it is probable that a loss associated with a claim or proceeding has been incurred and the amount of the loss or range of loss can be reasonably estimated. When no amount within the range of loss is a better estimate than any other amount, we accrue the minimum amount of the estimable loss. To the extent that such litigation against us may have an exposure to a loss in excess of the amount we have accrued, we believe that such excess would not be material to our financial condition, results of operations, or cash flows. Legal fees are expensed as incurred. We believe that our accruals for legal proceedings are appropriate and, individually and in the aggregate, are not expected to be material to our financial condition, results of operations, or cash flows. We review all litigation on an ongoing basis when making accrual and disclosure decisions. For certain legal proceedings, we cannot reasonably estimate losses or a range of loss, if any, particularly for proceedings that are in their early stages of development or where the plaintiffs seek indeterminate damages. Various factors, including, but not limited to, the outcome of potentially lengthy discovery and the resolution of important factual questions, may need to be determined before probability can be established or before a loss or range of loss can be reasonably estimated. If the loss contingency in question is not both probable and reasonably estimable, we do not establish an accrual and the matter will continue to be monitored for any developments that would make the loss contingency both probable and reasonably estimable. In the event that a legal proceeding results in a substantial judgment against, or settlement by, us, there can be no assurance that any resulting liability or financial commitment would not have a material adverse effect on our financial condition, results of operations, or cash flows.

Investments

12 Months Ended

Dec. 31, 2022

Investments [Abstract]

Investments

Available-for-sale securities

See Note 5, "Fair Value" for additional fair value disclosures. The following tables summarize the cost and fair value, net of credit loss allowance, of our available-for-sale securities as of:



	December 31, 2022
(in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value



Corporate debt securities	$	588,536	$	657	$	35,811	$	553,382
Collateralized debt obligations	107,730		11		5,204		102,537
Commercial mortgage-backed securities	73,855		157		7,958		66,054
Residential mortgage-backed securities	166,412		72		16,069		150,415
Other debt securities	24,602		0		2,329		22,273

Total available-for-sale securities, net	$	961,135	$	897	$	67,371	$	894,661



	December 31, 2021
(in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value



Corporate debt securities	$	565,997	$	9,663	$	2,495	$	573,165
Collateralized debt obligations	115,344		456		338		115,462
Commercial mortgage-backed securities	88,636		1,465		777		89,324
Residential mortgage-backed securities	140,217		1,007		1,302		139,922
Other debt securities	23,859		197		136		23,920
U.S. Treasury	4,226		73		7		4,292
Total available-for-sale securities, net	$	938,279	$	12,861	$	5,055	$	946,085

The amortized cost and estimated fair value of available-for-sale securities at December 31, 2022 are shown below by remaining contractual term to maturity. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.



	December 31, 2022
	Amortized		Estimated
(in thousands)	cost		fair value

Due in one year or less	$	24,580	$	24,089
Due after one year through five years	427,919		403,985
Due after five years through ten years	198,287		186,693
Due after ten years	310,349		279,894
Total available-for-sale securities, net (1)	$	961,135	$	894,661

(1) The contractual maturities of our available-for-sale securities are included in the table. However, given our intent to sell certain impaired securities, these securities are classified as current assets in our Statement of Financial Position at December 31, 2022.

The below securities have been evaluated and determined to be temporary declines in fair value for which we expect to recover our entire principal plus interest. The following tables present available-for-sale securities based on length of time in a gross unrealized loss position as of:



	December 31, 2022
	Less than 12 months				12 months or longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized		No. of
(dollars in thousands)	value		losses		value		losses		value		losses		holdings


Corporate debt securities	$	397,511	$	21,371	$	121,094	$	14,440	$	518,605	$	35,811	916
Collateralized debt obligations	44,823		2,529		55,335		2,675		100,158		5,204		159
Commercial mortgage-backed securities	41,139		5,124		15,864		2,834		57,003		7,958		131
Residential mortgage-backed securities	109,499		9,131		31,465		6,938		140,964		16,069		161
Other debt securities	15,682		1,323		6,591		1,006		22,273		2,329		46

Total available-for-sale securities	$	608,654	$	39,478	$	230,349	$	27,893	$	839,003	$	67,371	1,413
Quality breakdown of available-for-sale securities:
Investment grade	$	525,805	$	31,904	$	215,742	$	25,205	$	741,547	$	57,109	761
Non-investment grade	82,849		7,574		14,607		2,688		97,456		10,262		652
Total available-for-sale securities	$	608,654	$	39,478	$	230,349	$	27,893	$	839,003	$	67,371	1,413



	December 31, 2021
	Less than 12 months				12 months or longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized		No. of
(dollars in thousands)	value		losses		value		losses		value		losses		holdings


Corporate debt securities	$	179,281	$	1,912	$	12,494	$	583	$	191,775	$	2,495	441
Collateralized debt obligations	64,270		278		9,370		60		73,640		338		104
Commercial mortgage-backed securities	28,001		595		917		182		28,918		777		61
Residential mortgage-backed securities	89,460		1,278		441		24		89,901		1,302		98
Other debt securities	14,576		136		0		0		14,576		136		24
U.S. Treasury	388		7		0		0		388		7		1
Total available-for-sale securities	$	375,976	$	4,206	$	23,222	$	849	$	399,198	$	5,055	729
Quality breakdown of available-for-sale securities:
Investment grade	$	330,697	$	3,801	$	17,112	$	434	$	347,809	$	4,235	366
Non-investment grade	45,279		405		6,110		415		51,389		820		363
Total available-for-sale securities	$	375,976	$	4,206	$	23,222	$	849	$	399,198	$	5,055	729

Credit loss allowance on investments

The current expected credit loss allowance on agent loans was $1.0 million at both December 31, 2022 and December 31, 2021. The current expected credit loss on available-for-sale securities was $0.2 million at December 31, 2022 and less than $0.1 million at December 31, 2021.

Net investment income

Investment income (loss), net of expenses, was generated from the following portfolios for the years ended December 31:




(in thousands)	2022		2021		2020

Available-for-sale securities	$	31,913	$	23,795	$	22,631
Equity securities	3,904		4,321		4,147
Limited partnerships	(10,446)		31,701		(602)
Cash equivalents and other	4,510		3,609		5,038
Total investment income	29,881		63,426		31,214
Less: investment expenses	1,296		1,249		1,461
Net investment income	$	28,585	$	62,177	$	29,753

We include equity in (losses) earnings of limited partnerships, which includes both realized gains (losses) and unrealized valuation changes, in "Net investment income" in our Statements of Operations. In January 2023, the general partner of one of our private equity limited partnerships informed us of a significant decrease in the fair value of one of their underlying investments. The unrealized loss is estimated to be $11 million and will be recorded in net investment income (loss) in our first quarter 2023 financial statements consistent with our policy of recording limited partnership results on a quarter lag. Our limited partnership investments are included in the line item "Other assets" in the Statements of Financial Position. We have made no new significant limited partnership commitments since 2006, and the balance of limited partnership investments is expected to decline over time as additional distributions are received.

Net realized and unrealized investment (losses) gains

Realized and unrealized (losses) gains on investments were as follows for the years ended December 31:




(in thousands)	2022		2021		2020
Available-for-sale securities:

Gross realized gains	$	1,169	$	6,884	$	3,920
Gross realized losses	(15,219)		(1,753)		(2,585)
Net realized (losses) gains on available-for-sale securities	(14,050)		5,131		1,335



Equity securities	(13,238)		(186)		5,056









Miscellaneous	2		1		1




Net realized and unrealized investment (losses) gains	$	(27,286)	$	4,946	$	6,392

The portion of net unrealized (losses) gains recognized during the reporting period related to equity securities held at the reporting date is calculated as follows for the years ended December 31:



(in thousands)	2022		2021		2020
Equity securities:
Net (losses) gains recognized during the period	$	(13,238)	$	(186)	$	5,056
Less: net losses recognized on securities sold	(1,866)		(76)		(469)
Net unrealized (losses) gains recognized on securities held at reporting date	$	(11,372)	$	(110)	$	5,525

Net impairment (losses) recoveries recognized in earnings

Impairments on available-for-sale securities and agent loans were as follows for the years ended December 31:



(in thousands)	2022		2021		2020
Available-for-sale securities:
Intent to sell	$	(167)	$	(10)	$	(2,274)
Credit (impaired) recovered	(500)		67		(707)
Total available-for-sale securities	(667)		57		(2,981)

Agent loans - expected credit recoveries (losses)	0		152		(297)
Net impairment (losses) recoveries recognized in earnings	$	(667)	$	209	$	(3,278)

Significant Accounting Policies	12 Months Ended
Significant Accounting Policies	Dec. 31, 2022
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies Basis of presentation The accompanying financial statements have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP"). Use of estimates The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Recently adopted accounting standards We adopted Accounting Standards Update ("ASU") 2016-13, "Financial Instruments-Credit Losses" which applies to our receivable from Erie Insurance Exchange and affiliates, agent loans, and investments, on January 1, 2020. The guidance requires financial assets measured at amortized cost to be presented at the net amount expected to be collected through the use of a new forward-looking current expected credit loss model and credit losses relating to available-for-sale debt securities to be recognized through an allowance for credit losses. For assets measured at amortized cost for which a current expected credit loss allowance was required, we adopted the guidance using the modified-retrospective approach. At January 1, 2020, we recorded current expected credit loss allowances related to agent loans of $0.8 million and receivables from Erie Insurance Exchange and affiliates of $0.6 million. This resulted in the recording of a cumulative effect adjustment, net of taxes, to retained earnings of $1.1 million. Our available-for-sale investments are not measured at amortized cost, and therefore do not require the use of a current expected credit loss model. Any credit losses, however, are required to be recorded as an allowance for credit losses rather than a reduction of the carrying value of the asset. For available-for-sale securities, we adopted the guidance using the prospective approach and recorded an initial allowance for credit losses of $0.6 million at March 31, 2020. Cash and cash equivalents – Cash, money market accounts and other short-term, highly liquid investments with a maturity of three months or less at the date of purchase, are considered cash and cash equivalents. Investments Available-for-sale securities – Fixed maturity debt securities and redeemable preferred stock are classified as available-for-sale and reported at fair value with unrealized investment gains and losses, net of income taxes, recognized in other comprehensive income. Available-for-sale securities with a remaining maturity of 12 months or less and any security that we intend to sell as of the reporting date are classified as current assets. Available-for-sale securities in an unrealized loss position are evaluated to determine whether the impairment is a result of credit loss or other factors. If we have the intent to sell or it's more likely than not that we would be required to sell the security before recovery of the amortized cost basis, the entire impairment is recognized in earnings. Securities that have experienced a decline in fair value that we do not intend to sell, and that we will not be required to sell before recovery, are evaluated to determine if the decline in fair value is credit related. Impairment resulting from a credit loss is recognized in earnings with a corresponding allowance on the balance sheet. Future recoveries of credit loss result in an adjustment to the allowance and earnings in the period the credit conditions improve. Factors considered in the evaluation of credit loss include the extent to which fair value is less than cost and fundamental factors specific to the issuer such as financial condition, changes in credit ratings, near and long-term business prospects and other factors, as well as the likelihood of recovery of the amortized cost of the security. If the qualitative review indicates credit impairment, the allowance for credit loss is measured as the amount that the security’s amortized cost exceeds the present value of cash flows expected to be collected and is limited to the amount that fair value is below amortized cost. Equity securities – Equity securities primarily include non-redeemable preferred stocks and are reported at fair value with changes in fair value recognized in net realized and unrealized investment gains (losses). Securities that we intend to sell as of the reporting date are classified as current assets. Realized gains and losses and investment income – Realized gains and losses on sales of available-for-sale and equity securities are recognized in income based upon the specific identification method and reported in net realized and unrealized investment gains (losses). Interest income is recognized as earned and includes amortization of premium and accretion of discount. Income is recognized based on the constant effective yield method, which includes periodically updated prepayment assumptions obtained from third party data sources on our prepaying securities. The effective yield for prepaying securities is recalculated on a retrospective basis. Dividend income is recognized at the ex-dividend date. Interest and dividend income and the results of our limited partnership investments are reported as net investment income. We do not record an allowance for credit losses on accrued investment income as any amount deemed uncollectible is reversed from interest income in the period the expected payment defaults. Deferred taxes Deferred tax assets and liabilities are recorded for temporary differences between the tax basis of assets and liabilities and the reported amounts in the financial statements, using the statutory tax rates in effect for the year in which the differences are expected to settle or be realized. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date under the law. The need for valuation allowances on deferred tax assets are estimated based upon our assessment of the realizability of such amounts. Fixed assets Fixed assets are stated at cost less accumulated depreciation and amortization. Fixed assets are primarily comprised of software, which includes internally used capitalized software and development costs, as well as building and building improvements, equipment, furniture and fixtures, and leasehold improvements. Assets in use are depreciated using the straight-line method over the estimated useful life except for leasehold improvements, which are depreciated over the shorter of their economic useful life or the lease term. Software is depreciated over periods ranging from 3-7 years, buildings and building improvements are depreciated over 20-45 years, equipment is depreciated over 3-10 years, and furniture and fixtures are depreciated over 7 years. We review long-lived assets for impairment whenever events or changes indicate that the carrying value may not be recoverable. Under these circumstances, if the fair value were less than the carrying amount of the asset, we would recognize a loss for the difference. We capitalize applicable interest charges incurred during the construction period of significant long-term building projects as part of the historical cost of the asset. Agent loans Agent loans, the majority of which are senior secured, are carried at unpaid principal balance net of a current expected credit loss allowance with interest recorded in investment income as earned. The allowance is estimated using available loss history and/or external loss rates based on comparable loan losses and considers current market conditions and forecasted information. Changes to the allowance are recognized in earnings as adjustments to net impairment recoveries (losses). The current portion of agent loans is recorded in prepaid expenses and other current assets. Other assets Other assets primarily include limited partnership investments which are recorded using the equity method of accounting. Other assets also include operating lease assets and other long-term prepaid assets. Agent bonus liability Our more significant agent bonus plan is based upon an individual agency's property and casualty underwriting profitability and also includes a component for growth in agency property and casualty premiums if the agency's underwriting profitability targets for the book of business are met. The estimated liability for this agent bonus plan is based upon the performance over 36 months, and is modeled on a monthly basis using actual underwriting results for the two prior years and current year-to-date actual results and forecasted results for the remainder of the year. Our second agent bonus plan is based on an agency's one-year underwriting profitability and uses a similar model but considers actual and forecasted results for a calendar year only. At December 31 of each year, we use actual data available and record an accrual based upon the expected payment amount. These costs are included in cost of operations - policy issuance and renewal services. Recognition of management fee revenue We earn management fees from the Exchange under the subscriber’s agreement for services provided. Pursuant to the subscriber’s agreement, we may retain up to 25% of all direct and affiliated assumed premiums written by the Exchange. The management fee rate is set at least annually by our Board of Directors. The management fee revenue is calculated by multiplying the management fee rate by the direct and affiliated assumed premiums written by the Exchange and is allocated between the two performance obligations we have under the subscriber's agreement. The first performance obligation is to provide policy issuance and renewal services. The second performance obligation is acting as the attorney-in-fact with respect to the administrative services. Management fee revenue allocated to the policy issuance and renewal services is recognized at the time of policy issuance or renewal, because it is at the time of policy issuance or renewal when the economic benefit of the service we provide (the substantially completed policy issuance or renewal service) and the control of the promised asset (the executed insurance policy) transfers to the customer. Management fee revenue allocated to the second performance obligation relates to us acting as the attorney-in-fact on behalf of the Exchange, as well as the service provider for its insurance subsidiaries, with respect to the administrative services and is recognized over a four-year period representing the time over which the economic benefit of the services provided (i.e. management of the administrative services) transfers to the customer. Administrative services By virtue of its legal structure as a reciprocal insurer, the Exchange does not have any employees or officers. Therefore, it enters into contractual relationships by and through an attorney-in-fact. Indemnity serves as the attorney-in-fact on behalf of the Exchange with respect to its administrative services in accordance with the subscriber's agreement. The Exchange's insurance subsidiaries also utilize Indemnity for these services in accordance with the service agreements between each of the subsidiaries and Indemnity. Claims handling services include costs incurred in the claims process, including the adjustment, investigation, defense, recording and payment functions. Life insurance management services include costs incurred in the management and processing of life insurance business. Investment management services are related to investment trading activity, accounting and all other functions attributable to the investment of funds. Common overhead expenses and certain service department costs incurred by us on behalf of the Exchange and its insurance subsidiaries are reimbursed by the proper entity based upon relevant utilization statistics specifically measured to accomplish proportional allocations, which we believe are reasonable. In 2022, approximately 71% of the administrative services expenses are entirely attributable to the respective administrative functions (claims handling, life insurance management and investment management), while the remaining 29% of these expenses are allocations of costs for departments that support these administrative functions. The expenses we incur and related reimbursements we receive for administrative services are presented gross in our Statements of Operations. The subscriber's agreement and service agreements provide for reimbursement of amounts incurred for these services to Indemnity. Reimbursements are settled at cost on a monthly basis. State insurance regulations require that intercompany service agreements and any material amendments be approved in advance by the state insurance department. Recognition of service agreement revenue Service agreement revenue primarily consists of service charges we collect from policyholders for providing multiple payment plans on policies written by the Exchange and its property and casualty subsidiaries. Service charges, which are flat dollar charges for each installment billed beyond the first installment, are recognized as revenue when bills are rendered to the policyholder. Service agreement revenue also includes late payment and policy reinstatement fees, which are also recognized as revenue when bills are rendered to the policyholder. We also have a service agreement with the Exchange for the use of shared office space. Revenue related to this agreement is recognized at the time the space is used based on relevant utilization statistics.

Postretirement Benefits - Projected and Accumulated Benefit Obligation (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Pension Plan with Project Benefit Obligation in Excess of Plan Assets
Projected benefit obligation	$ 883,814	$ 1,272,654
Plan assets	829,866	1,140,243
Supplemental employee retirement plan (SERP) \| Nonqualified Plan \| Unfunded plan
Plan with Accumulated Benefit Obligation in Excess of Plan Assets
Accumulated benefit obligation	21,577	29,190
Plan assets	$ 0	$ 0

Earnings Per Share

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Earnings Per Share

Class A and Class B basic earnings per share and Class B diluted earnings per share are calculated under the two-class method. The two-class method allocates earnings to each class of stock based upon its dividend rights. Class B shares are convertible into Class A shares at a conversion ratio of 2,400 to 1. See Note 12, "Capital Stock".

Class A diluted earnings per share are calculated under the if-converted method, which reflects the conversion of Class B shares to Class A shares. Diluted earnings per share calculations include the dilutive effect of assumed issuance of stock-based awards under compensation plans that have the option to be paid in stock using the treasury stock method. See Note 10, "Incentive and Deferred Compensation Plans".

A reconciliation of the numerators and denominators used in the basic and diluted per-share computations is presented as follows for each class of common stock:



(dollars in thousands, except per share data)						For the years ended December 31,
	2022					2021					2020
	Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount
Class A – Basic EPS:
Income available to Class A stockholders	$	296,125	46,188,916	$	6.41	$	295,421	46,188,806	$	6.40	$	290,902	46,188,659	$	6.30
Dilutive effect of stock-based awards	0		8,274	—		0		17,696	—		0		23,901	—
Assumed conversion of Class B shares	2,444		6,100,800	—		2,439		6,100,800	—		2,402		6,100,800	—
Class A – Diluted EPS:
Income available to Class A stockholders on Class A equivalent shares	$	298,569	52,297,990	$	5.71	$	297,860	52,307,302	$	5.69	$	293,304	52,313,360	$	5.61
Class B – Basic EPS:
Income available to Class B stockholders	$	2,444	2,542	$	962	$	2,439	2,542	$	959	$	2,402	2,542	$	945
Class B – Diluted EPS:
Income available to Class B stockholders	$	2,444	2,542	$	962	$	2,438	2,542	$	959	$	2,401	2,542	$	945

Fixed Assets - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Fixed Assets - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Abstract]
Depreciation, Depletion and Amortization	$ 45.9	$ 37.2	$ 21.2

Supplementary Data on Cash Flows

12 Months Ended

Dec. 31, 2022

Supplemental Cash Flow Information [Abstract]

Supplementary Data on Cash Flows

Supplementary Data on Cash FlowsA reconciliation of net income to net cash provided by operating activities as presented in the Statements of Cash Flows is as follows for the years ended December 31:


(in thousands)	2022		2021		2020

Cash flows from operating activities:
Net income	$	298,569	$	297,860	$	293,304
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	46,166		37,210		21,195
Deferred income tax expense (benefit)	9,468		(1,854)		(5,162)

Lease amortization expense	5,554		11,887		13,108
Losses (gains) and impairment losses (recoveries) on investments	27,953		(2,307)		(3,114)

Loss (gain) on disposal of fixed assets	172		(13)		(15)
Net investment loss (income)	12,916		(25,944)		5,878
(Decrease) increase in deferred compensation	(1,463)		(5,006)		7,611

(Increase) decrease in receivables from affiliates	(45,814)		15,514		(26,548)
Increase in accrued investment income	(1,998)		(157)		(713)

Increase in pension liability	15,647		52,755		41,227
(Increase) decrease in prepaid expenses and other assets	(25,843)		12,161		(4,771)
Increase (decrease) in accounts payable and accrued expenses	18,993		(4,823)		(14,307)
Increase (decrease) in commissions payable	29,282		8,408		(625)
(Decrease) increase in accrued agent bonuses	(25,271)		10,279		14,105
Increase (decrease) in contract liability	1,821		(3,176)		1,422
Net cash provided by operating activities	$	366,152	$	402,794	$	342,595

Fair Value - Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Carrying Value
Carrying values and fair value measurements of financial instruments not carried at fair value
Agent loans	$ 69,476	$ 66,368
Long-term borrowings	0	94,070
Fair Value \| Level 3 Fair Value
Carrying values and fair value measurements of financial instruments not carried at fair value
Agent loans	62,954	68,957
Long-term borrowings	$ 0	$ 103,981

Capital Stock	12 Months Ended
Capital Stock	Dec. 31, 2022
Class of Stock Disclosures [Abstract]
Capital Stock	Capital Stock Class A and B common stock We have two classes of common stock: Class A, which has a dividend preference, and Class B, which has voting power and a conversion right. Each share of Class A common stock outstanding at the time of the declaration of any dividend upon shares of Class B common stock shall be entitled to a dividend payable at the same time, at the same record date, and in an amount at least equal to 2/3 of 1.0% of any dividend declared on each share of Class B common stock. We may declare and pay a dividend in respect to Class A common stock without any requirement that any dividend be declared and paid in respect to Class B common stock. Sole shareholder voting power is vested in Class B common stock except insofar as any applicable law shall permit Class A common shareholders to vote as a class in regards to any changes in the rights, preferences, and privileges attaching to Class A common stock. Holders of Class B shares may, at their option, convert their shares into Class A shares at the rate of 2,400 Class A shares per Class B share. There were no shares of Class B common stock converted into Class A common stock in 2022, 2021 or 2020. Stock repurchases Our Board of Directors authorized a stock repurchase program effective January 1, 1999 allowing the repurchase of our outstanding Class A nonvoting common stock. In 2011, our Board of Directors approved a continuation of the current stock repurchase program for a total of $150 million, with no time limitation. Treasury shares are recorded in the Statements of Financial Position at total cost based upon trade date. There were no shares repurchased under this program during 2022, 2021 or 2020. We had approximately $17.8 million of repurchase authority remaining under this program at December 31, 2022, based upon trade date. We made stock repurchases in 2022, 2021, and 2020 outside of our publicly announced share repurchase program related to stock-based awards. See Note 10, "Incentive and Deferred Compensation Plans" for additional information.

STATEMENTS OF FINANCIAL POSITION (Parenthetical)	Dec. 31, 2022 $ / shares shares	Dec. 31, 2021 $ / shares shares
Treasury stock (in shares)	22,110,132	22,110,132
Class A common stock
Common stock, stated value per share (in dollars per share) \| $ / shares	$ 0.0292	$ 0.0292
Common stock, authorized (in shares)	74,996,930	74,996,930
Common stock, issued (in shares)	68,299,200	68,299,200
Common stock, outstanding (in shares)	46,189,068	46,189,068
Class B common stock
Common stock, stated value per share (in dollars per share) \| $ / shares	$ 70	$ 70
Common stock, authorized (in shares)	3,070	3,070
Common stock, issued (in shares)	2,542	2,542
Common stock, outstanding (in shares)	2,542	2,542
Ratio for converting shares of Class B common stock into shares of Class A common stock	2,400	2,400

Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Other employee benefits	$ 16,358	$ 15,273
Unrealized losses on investments	15,403	0
Deferred revenue	3,710	3,963
Allowance for management fee returned on cancelled policies	3,405	3,330
Pension and other postretirement benefits	0	21,545
Other	3,902	3,484
Total deferred tax assets	42,778	47,595
Deferred tax liabilities:
Depreciation	37,682	35,204
Pension and other postretirement benefits	15,473	0
Prepaid expenses	1,731	2,458
Unrealized gains on investments	0	8,713
Other	1,967	1,075
Total deferred tax liabilities	56,853	47,450
Net deferred tax (liability) asset	(14,075)	0
Net deferred tax (liability) asset	$ 0	$ 145

Income Taxes - Reconciliation of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of the provision for income taxes, with amounts determined by applying the statutory federal income tax rate to pre-tax income
Income tax at statutory rate	$ 79,055	$ 79,045	$ 77,388
Other, net	(1,172)	(501)	(2,177)
Income tax expense	$ 77,883	$ 78,544	$ 75,211

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details

Related Party	12 Months Ended
Related Party	Dec. 31, 2022
Related Party Transactions [Abstract]
Related Party	Related Party Management fee A management fee is charged to the Exchange for services we provide under the subscriber's agreement with subscribers at the Exchange. The fee is a percentage of direct and affiliated assumed premiums written by the Exchange. This percentage rate is determined at least annually by our Board of Directors but cannot exceed 25%. The management fee rate charged the Exchange was 25% in 2022, 2021 and 2020. The Board of Directors elected to maintain the fee at 25% beginning January 1, 2023. There is no provision in the subscriber's agreement for termination of our appointment as attorney-in-fact by the subscribers at the Exchange and the appointment is not affected by a policyholder's disability or incapacity. Insurance holding company system Most states have enacted legislation that regulates insurance holding company systems, defined as two or more affiliated persons, one or more of which is an insurer. The Exchange has the following wholly owned property and casualty subsidiaries: Erie Insurance Company, Erie Insurance Company of New York, Erie Insurance Property & Casualty Company and Flagship City Insurance Company, and a wholly owned life insurance company, Erie Family Life Insurance Company. Indemnity and the Exchange, and its wholly owned subsidiaries, meet the definition of an insurance holding company system. All transactions within a holding company system affecting the member insurers of the holding company system must be fair and reasonable and any charges or fees for services performed must be reasonable. Approval by the applicable insurance commissioner is required prior to the consummation of transactions affecting the members within a holding company system. Shared facilities We leased the home office from the Exchange until December 31, 2021, at which time we purchased the home office properties from the Exchange at the appraised value of $97.5 million to align the ownership interest of these facilities with the functions being performed at the home office campus, which are mainly Indemnity's management operations. Lease expense totaled $6.1 million in both 2021 and 2020. Operating expenses, including utilities, cleaning, repairs, real estate taxes, property insurance, and leasehold improvements totaled $15.7 million in both 2021 and 2020. The Exchange and its subsidiaries reimbursed us for rent costs and related operating expenses of shared facilities used to perform administrative services, which are allocated based upon usage or square footage occupied. Reimbursements related to the use of this space totaled $4.8 million and $4.6 million in 2021 and 2020, respectively. Effective July 1, 2021, the Exchange and its subsidiaries entered into a service agreement with Indemnity to use space in Indemnity-owned properties. The home office was added to this agreement effective January 1, 2022. The amount charged is based on rental rates of like property in Erie, Pennsylvania and the usage or square footage occupied. In 2022 and 2021, income earned from the Exchange and its subsidiaries for the use of space totaled $2.2 million and $0.2 million, respectively. Operating expenses for Indemnity-owned properties under this service agreement include utilities, cleaning, repairs, real estate taxes, property insurance, and leasehold improvements. These expenses totaled $19.5 million and $0.8 million in 2022 and 2021, respectively. The Exchange and its subsidiaries reimbursed us for operating expenses of shared facilities used to perform administrative services, which are allocated based upon usage or square footage occupied. Reimbursements related to the use of this space totaled $4.1 million and $0.1 million in 2022 and 2021, respectively.

Fair Value - Level 3 Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Roll forward of level 3 fair value measurements on a recurring basis
Fair value, asset, recurring basis, unobservable input reconciliation, asset, gain (loss), statement of other comprehensive income or comprehensive income	Other comprehensive income	Other comprehensive income
Fair value, asset, recurring basis, unobservable input reconciliation, gain (loss), statement of income or comprehensive income	Net investment income	Net realized and unrealized investment (losses) gains
Level 3
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	$ 31,881	$ 26,224
Included in earnings	(2,055)	(351)
Included in other comprehensive income	(3,520)	(783)
Purchases	13,177	13,489
Sales	(18,864)	(11,120)
Transfers into Level 3	60,635	31,098
Transfers out of Level 3	(58,695)	(26,676)
Ending balance	22,559	31,881
Level 3 \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	29,798	26,224
Included in earnings	(1,751)	(346)
Included in other comprehensive income	(3,520)	(783)
Purchases	11,177	12,489
Sales	(18,864)	(11,120)
Transfers into Level 3	60,635	28,915
Transfers out of Level 3	(58,695)	(25,581)
Ending balance	18,780	29,798
Level 3 \| Corporate debt securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	5,256	5,825
Included in earnings	2	34
Included in other comprehensive income	(437)	68
Purchases	6,290	5,502
Sales	(4,810)	(2,681)
Transfers into Level 3	9,689	4,290
Transfers out of Level 3	(12,304)	(7,782)
Ending balance	3,686	5,256
Level 3 \| Collateralized debt obligations \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	0	0
Included in earnings		0
Included in other comprehensive income		0
Purchases		750
Sales		0
Transfers into Level 3		0
Transfers out of Level 3		(750)
Ending balance		0
Level 3 \| Commercial mortgage-backed securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	15,728	19,462
Included in earnings	(1,060)	(375)
Included in other comprehensive income	(1,132)	(782)
Purchases	0	3,073
Sales	(3,825)	(5,378)
Transfers into Level 3	11,494	11,933
Transfers out of Level 3	(10,295)	(12,205)
Ending balance	10,910	15,728
Level 3 \| Residential mortgage-backed securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	8,814	937
Included in earnings	(693)	(5)
Included in other comprehensive income	(1,951)	(69)
Purchases	4,887	576
Sales	(10,229)	(2,229)
Transfers into Level 3	39,452	12,692
Transfers out of Level 3	(36,096)	(3,088)
Ending balance	4,184	8,814
Level 3 \| Other debt securities \| Available-for-sale securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	0	0
Included in earnings		0
Included in other comprehensive income		0
Purchases		2,588
Sales		(832)
Transfers into Level 3		0
Transfers out of Level 3		(1,756)
Ending balance		0
Level 3 \| Equity securities \| Equity securities
Roll forward of level 3 fair value measurements on a recurring basis
Beginning balance	2,083	0
Included in earnings	(304)	(5)
Included in other comprehensive income	0	0
Purchases	2,000	1,000
Sales	0	0
Transfers into Level 3	0	2,183
Transfers out of Level 3	0	(1,095)
Ending balance	$ 3,779	$ 2,083

Postretirement Benefits - Asset Allocation (Details) - Employee pension plan - Qualified Plan - Funded Plan	Dec. 31, 2022	Dec. 31, 2021
Target asset allocation for the portfolio:
Total plan assets	100.00%	100.00%
Actual asset allocation for the portfolio:
Total plan assets	100.00%	100.00%
Total equity securities
Target asset allocation for the portfolio:
Total plan assets	45.00%	45.00%
Actual asset allocation for the portfolio:
Total plan assets	46.00%	45.00%
U.S. equity securities
Target asset allocation for the portfolio:
Total plan assets	27.00%	27.00%
Actual asset allocation for the portfolio:
Total plan assets	27.00%	27.00%
U.S. small capitalization core equity
Target asset allocation for the portfolio:
Total plan assets	100.00%
Non-U.S. equity securities
Target asset allocation for the portfolio:
Total plan assets	18.00%	18.00%
Actual asset allocation for the portfolio:
Total plan assets	19.00%	18.00%
International small capitalization risk controlled equity
Target asset allocation for the portfolio:
Total plan assets	11.00%
International emerging markets equity
Target asset allocation for the portfolio:
Total plan assets	20.00%
International risk controlled equity
Target asset allocation for the portfolio:
Total plan assets	69.00%
Debt securities
Target asset allocation for the portfolio:
Total plan assets	54.00%	54.00%
Actual asset allocation for the portfolio:
Total plan assets	53.00%	54.00%
U.S. Treasury Strips
Target asset allocation for the portfolio:
Total plan assets	58.00%
U.S. corporate bonds with an emphasis on long duration bonds rated A or better
Target asset allocation for the portfolio:
Total plan assets	42.00%
Other
Target asset allocation for the portfolio:
Total plan assets	1.00%	1.00%
Actual asset allocation for the portfolio:
Total plan assets	1.00%	1.00%

Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Schedule of Fixed Assets by Category

The following table summarizes our fixed assets by category as of December 31:


(in thousands)	2022		2021
Software	$	312,126	$	259,586
Land, buildings, and building improvements	213,263		211,624
Equipment	43,430		42,295
Furniture and fixtures	21,794		21,694
Leasehold improvements	1,393		1,342
Projects in progress	63,317		34,569

Total fixed assets, gross	655,323		571,110
Less: Accumulated depreciation and amortization	(241,449)		(196,308)
Fixed assets, net	$	413,874	$	374,802

Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2022

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component, Including Amounts Reclassified to Other Comprehensive Income (Loss) and the Related Line item in the Statements of Operations Where Net Income is Presented

Changes in accumulated other comprehensive income ("AOCI") (loss) by component, including amounts reclassified to other comprehensive income ("OCI") (loss) and the related line item in the Statements of Operations where net income is presented, are as follows for the year ended December 31:


(in thousands)	2022						2021						2020
	Before Tax		Income Tax		Net		Before Tax		Income Tax		Net		Before Tax		Income Tax		Net
Investment securities:
AOCI, beginning of year	$	7,722	$	1,621	$	6,101	$	29,384	$	6,171	$	23,213	$	5,664	$	1,189	$	4,475
OCI (loss) before reclassifications	(89,010)		(18,692)		(70,318)		(16,474)		(3,460)		(13,014)		22,074		4,636		17,438
Realized investment losses (gains)	14,050		2,951		11,099		(5,131)		(1,078)		(4,053)		(1,335)		(280)		(1,055)
Impairment losses (recoveries)	667		140		527		(57)		(12)		(45)		2,981		626		2,355

OCI (loss)	(74,293)		(15,601)		(58,692)		(21,662)		(4,550)		(17,112)		23,720		4,982		18,738
AOCI (loss), end of year	$	(66,571)	$	(13,980)	$	(52,591)	$	7,722	$	1,621	$	6,101	$	29,384	$	6,171	$	23,213

Pension and other postretirement plans:
AOCI (loss), beginning of year	$	(39,734)	$	(8,345)	$	(31,389)	$	(128,300)	$	(26,944)	$	(101,356)	$	(153,600)	$	(32,257)	$	(121,343)
OCI before reclassifications	88,148		18,511		69,637		71,032		14,917		56,115		11,832		2,485		9,347
Amortization of prior service costs (1)	1,443		303		1,140		1,428		300		1,128		1,343		282		1,061
Amortization of net actuarial loss (1)	7,329		1,540		5,789		16,106		3,382		12,724		12,125		2,546		9,579
OCI	96,920		20,354		76,566		88,566		18,599		69,967		25,300		5,313		19,987
AOCI (loss), end of year	$	57,186	$	12,009	$	45,177	$	(39,734)	$	(8,345)	$	(31,389)	$	(128,300)	$	(26,944)	$	(101,356)

Total
AOCI (loss), beginning of year	$	(32,012)	$	(6,724)	$	(25,288)	$	(98,916)	$	(20,773)	$	(78,143)	$	(147,936)	$	(31,068)	$	(116,868)
Investment securities	(74,293)		(15,601)		(58,692)		(21,662)		(4,550)		(17,112)		23,720		4,982		18,738
Pension and other postretirement plans	96,920		20,354		76,566		88,566		18,599		69,967		25,300		5,313		19,987
OCI	22,627		4,753		17,874		66,904		14,049		52,855		49,020		10,295		38,725
AOCI (loss), end of year	$	(9,385)	$	(1,971)	$	(7,414)	$	(32,012)	$	(6,724)	$	(25,288)	$	(98,916)	$	(20,773)	$	(78,143)

(1)These components of AOCI (loss) are included in the computation of net periodic pension cost. See Note 9, "Postretirement Benefits", for additional information.

Nature of Operations (Details)	12 Months Ended
Nature of Operations (Details)	Dec. 31, 2022 obligation
Expense Classification [Line Items]
Performance obligations under subscriber's agreement	2
Agent compensation expense
Expense Classification [Line Items]
Nature of expense as a percentage of total policy issuance and renewal expenses	66.00%
Underwriting and policy processing expense
Expense Classification [Line Items]
Nature of expense as a percentage of total policy issuance and renewal expenses	10.00%
Information technology expense
Expense Classification [Line Items]
Nature of expense as a percentage of total policy issuance and renewal expenses	11.00%

Postretirement Benefits

12 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Postretirement Benefits

Pension plans

Our pension plans consist of a noncontributory defined benefit pension plan covering substantially all employees and an unfunded supplemental employee retirement plan ("SERP") for certain members of executive and senior management. The pension plan provides benefits to covered individuals satisfying certain age and service requirements. The defined benefit pension plan and SERP each provide benefits through a final average earnings formula.

Although we are the sponsor of these postretirement plans and record the funded status of these plans, the Exchange and its subsidiaries reimburse us for approximately 58% of the annual benefit expense of these plans, which represents pension benefits for employees performing administrative services and an allocated share of costs for employees in departments that support the administrative functions. For our funded pension plan, amounts are settled in cash for the portion of pension costs allocated to the Exchange and its subsidiaries. For our unfunded SERP, we pay the obligations when due and amounts are settled in cash between entities when there is a payout.

Cost of pension plans

Pension plan cost includes the following components for the years ended December 31:


(in thousands)
	2022		2021		2020
Service cost for benefits earned	$	50,242	$	53,041	$	43,492
Interest cost on benefit obligation	39,764		36,824		37,578
Expected return on plan assets	(54,557)		(50,275)		(49,411)
Prior service cost amortization	1,443		1,428		1,343
Net actuarial loss amortization	7,320		16,106		12,125

Pension plan cost (1)	$	44,212	$	57,124	$	45,127

(1) Pension plan costs represent the total cost before reimbursements to Indemnity from the Exchange and its subsidiaries. The components of pension plan costs other than the service cost components are included in the line item "Other income (expense)" in the Statements of Operations after reimbursements from the Exchange and its subsidiaries.

Actuarial assumptions

The following table describes the assumptions at December 31 used to measure the year-end obligations and the net periodic benefit costs for the subsequent year:


	2022		2021		2020		2019

Employee pension plan:
Discount rate	5.67	%	3.16	%	2.96	%	3.59	%
Expected return on assets	5.50		5.50		6.00		6.00
Rate of compensation increase (1)	3.21		3.21		3.21		3.21

SERP:
Discount rate – pre-retirement/post-retirement (2)	5.46		3.11		2.86		3.59/3.09
Rate of compensation increase	5.00		5.00		5.00		5.00

(1) The rate of compensation increase for the employee plan is age-graded. An equivalent single compensation increase rate of 3.21% in 2022, 2021 and 2020 would produce similar results.

(2) In 2020, the SERP discount rate methodology was revised to utilize SERP specific cash outflows independent of the employee pension plan discount rate, eliminating a difference between pre-retirement and post-retirement rates.

The economic assumptions that have the most impact on the postretirement benefits expense are the discount rate and the long-term rate of return on plan assets. The discount rate assumption used to determine the benefit obligation for all periods presented was based upon a yield curve developed from corporate bond yield information.

The pension plan's expected long-term rate of return represents the average rate of return to be earned on plan assets over the period the benefits included in the benefit obligation are to be paid. To determine the expected long-term rate of return assumption, we utilized models based upon historical analysis and forward-looking views of the financial markets based upon key factors such as historical returns for the asset class' applicable indices, the correlations of the asset classes under various market conditions and consensus views on future real economic growth and inflation. The expected future return for each asset

class is then combined by considering correlations between asset classes and the volatilities of each asset class to produce a reasonable range of asset return results within which our expected long-term rate of return assumption falls.

Funding policy/funded status

Our funding policy is generally to contribute an amount equal to the greater of the target normal cost for the plan year, or the amount necessary to fund the plan to 100%. Accordingly, we made a $25 million contribution during 2022. We expect to contribute an estimated $95 million in 2023. Actual contributions may vary from the current estimate depending on changes in assumptions, regulatory requirements and funding decisions, or due to future plan changes. The following table sets forth the funded status of the pension plans and the amounts recognized in the Statements of Financial Position at December 31:


(in thousands)
	2022		2021

Funded status at end of year	$	(53,948)	$	(132,411)

Pension liabilities – due within one year (1)	$	(2,724)	$	(2,028)
Pension liabilities – due after one year	(51,224)		(130,383)
Net amount recognized	$	(53,948)	$	(132,411)

(1) The current portion of pension liabilities is included in accounts payable and accrued liabilities.

Benefit obligations

Benefit obligations are described in the following tables. Accumulated and projected benefit obligations represent the obligations of a pension plan for past service as of the measurement date. The accumulated benefit obligation is the present value of pension benefits earned as of the measurement date based on employee service and compensation prior to that date. It differs from the projected benefit obligation in that the accumulated benefit obligation includes no assumptions to reflect expected future compensation. The following table sets forth a reconciliation of beginning and ending balances of the projected benefit obligation, as well as the accumulated benefit obligation at December 31:


(in thousands)
	2022		2021
Projected benefit obligation, beginning of year	$	1,272,654	$	1,246,159
Service cost for benefits earned	50,242		53,041
Interest cost on benefit obligation	39,764		36,824
Plan amendments	1,620		4,059
Actuarial gain	(448,330)		(38,400)
Benefits paid	(32,136)		(29,029)

Projected benefit obligation, end of year	$	883,814	$	1,272,654

Accumulated benefit obligation, end of year	$	762,180	$	1,037,820

Projected benefit obligations decreased $388.8 million at December 31, 2022 compared to December 31, 2021 primarily due to the higher discount rate used to measure the future benefit obligations. The discount rate for the employee pension plan increased to 5.67% in 2022 from 3.16% in 2021.

Both the defined benefit pension plan and SERP had projected benefit obligations in excess of plan assets at December 31:


(in thousands)
	2022		2021
Projected benefit obligation	$	883,814	$	1,272,654

Plan assets	829,866		1,140,243

The SERP had accumulated benefit obligations in excess of plan assets at December 31:


(in thousands)
	2022		2021

Accumulated benefit obligation	$	21,577	$	29,190
Plan assets	—		—

Pension assets

The following table sets forth a reconciliation of beginning and ending balances of the fair value of plan assets at December 31:


(in thousands)
	2022		2021
Fair value of plan assets, beginning of year	$	1,140,243	$	1,081,061
Actual return on plan assets	(304,005)		86,966
Employer contributions	25,764		1,245
Benefits paid	(32,136)		(29,029)

Fair value of plan assets, end of year	$	829,866	$	1,140,243

Accumulated other comprehensive (income) loss

Net actuarial (gain) loss and prior service cost included in accumulated other comprehensive (income) loss that were not yet recognized as components of net benefit costs were as follows at December 31:


(in thousands)
	2022		2021
Net actuarial (gain) loss	$	(69,564)	$	27,524
Prior service cost	12,378		12,201
Net amount not yet recognized	$	(57,186)	$	39,725

Other comprehensive income

Amounts recognized in other comprehensive income for pension plans were as follows for the years ended December 31:


(in thousands)
	2022		2021
Net actuarial gain arising during the year	$	(89,768)	$	(75,091)
Amortization of net actuarial loss	(7,320)		(16,106)
Amortization of prior service cost	(1,443)		(1,428)
Plan amendments (1)	1,620		4,059

Total recognized in other comprehensive income	$	(96,911)	$	(88,566)

(1) Plan amendments relate to new SERP participants.

Asset allocation

The employee pension plan utilizes a return seeking and a liability asset matching allocation strategy. It is based upon the understanding that 1) equity investments are expected to outperform debt investments over the long-term, 2) the potential volatility of short-term returns from equities is acceptable in exchange for the larger expected long-term returns, and 3) a portfolio structured across investment styles and markets (both domestic and foreign) reduces volatility. As a result, the employee pension plan's investment portfolio utilizes a broadly diversified asset allocation across domestic and foreign equity and debt markets. The investment portfolio is composed of commingled pools, an exchange traded fund, and a separate account that are dedicated exclusively to the management of employee benefit plan assets.

The target and actual asset allocations for the portfolio are as follows for the years ended December 31:



	Target asset allocation			Target asset allocation		Actual asset allocation		Actual asset allocation
Asset allocation:	2022			2021		2022		2021
Equity securities:
U.S. equity securities	27	%	(1)	27	%	27	%	27	%
Non-U.S. equity securities	18		(2)	18		19		18
Total equity securities	45			45		46		45
Debt securities	54		(3)	54		53		54
Other	1		(4)	1		1		1
Total	100	%		100	%	100	%	100	%

(1) U.S. equity securities – 100% seek to achieve excess returns relative to the Russell 3000 Index.

(2) Non-U.S. equity securities – 11% are allocated to international small cap investments, while another 20% are allocated to international emerging market investments. The remaining 69% of the Non-U.S. equity securities are allocated to investments seeking to achieve excess returns relative to an international market index.

(3) Debt securities – 58% are allocated to long U.S. Treasury Strips, 42% are allocated to U.S. corporate bonds with an emphasis on long duration bonds rated A or better.

(4) Institutional money market fund.

The following tables present fair value measurements for the pension plan assets by major category and level of input as of:



	December 31, 2022

(in thousands)	Total		Level 1 Fair Value		Level 2 Fair Value		Level 3 Fair Value		Net Asset Value (NAV)
Equity securities:
U.S. equity securities	$	219,410	$	204,838	$	0	$	0	$	14,572
Non-U.S. equity securities	160,009		110,799		0		0		49,210
Total equity securities	379,419		315,637		0		0		63,782
Debt securities	439,004		0		0		0		439,004
Other	11,443		11,443		0		0		0
Total	$	829,866	$	327,080	$	0	$	0	$	502,786



	December 31, 2021

(in thousands)	Total		Level 1 Fair Value		Level 2 Fair Value		Level 3 Fair Value		Net Asset Value (NAV) (1)
Equity securities:
U.S. equity securities	$	305,440	$	0	$	0	$	0	$	305,440
Non-U.S. equity securities	200,949		139,688		0		0		61,261
Total equity securities	506,389		139,688		0		0		366,701
Debt securities	620,337		0		0		0		620,337
Other	13,517		13,517		0		0		0
Total	$	1,140,243	$	153,205	$	0	$	0	$	987,038

(1) Amounts were reclassified from Level 2 fair value to NAV to conform to current period presentation.

Estimates of fair values of the pension plan assets are obtained primarily from the trustee and custodian of our pension plan. Our Level 1 category includes a money market mutual fund, an exchange traded fund, and a separate account for which the fair value is determined using an exchange traded price provided by the trustee and custodian. Commingled pools are valued based on NAV per share or unit as a practical expedient as reported by the fund manager, multiplied by the number of shares or units held as of the measurement date. Accordingly, these NAV-based investments have been excluded from the fair value hierarchy. These investments have minimal redemption notice periods and are redeemable daily at the NAV, less transaction fees, without significant restrictions. There are no significant unfunded commitments related to these investments.

Estimated future benefit payments

The following table sets forth amounts of benefits expected to be paid over the next 10 years from our pension plans as of:


(in thousands)
Year ending December 31,		Expected future benefit payments
2023	$	33,827
2024		36,175
2025		39,205
2026		41,731
2027		44,904
2028 - 2032		276,456

Employee savings planAll full-time and regular part-time employees are eligible to participate in a qualified 401(k) savings plan. We match 100% of the participant contributions up to 3% of compensation and 50% of participant contributions over 3% and up to 5% of compensation. Matching contributions paid to the plan were $16.7 million in 2022, $16.1 million in 2021, and $15.8 million in 2020. The Exchange and its subsidiaries reimbursed us for approximately 59% of the matching contributions. Employees are permitted to invest the employer-matching contributions in our Class A common stock. Employees, other than executive and senior officers, may sell the shares at any time without restriction, provided they are in compliance with applicable insider trading laws; sales by executive and senior officers are subject to additional pre-clearance restrictions imposed by our insider trading policies. The plan acquires shares in the open market necessary to meet the obligations of the plan. Plan participants held 0.1 million and 0.2 million shares of our Class A common stock at December 31, 2022 and 2021, respectively.

- Definition

The entire disclosure for retirement benefits.

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+ Details

Nature of Operations	12 Months Ended
Nature of Operations	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations	Nature of Operations Erie Indemnity Company ("Indemnity", "we", "us", "our") is a publicly held Pennsylvania business corporation that has since its incorporation in 1925 served as the attorney-in-fact for the subscribers (policyholders) at the Erie Insurance Exchange ("Exchange"). The Exchange, which also commenced business in 1925, is a Pennsylvania-domiciled reciprocal insurer that writes property and casualty insurance. Our primary function as attorney-in-fact is to perform policy issuance and renewal services on behalf of the subscribers at the Exchange. We also act as attorney-in-fact on behalf of the Exchange with respect to all claims handling and investment management services, as well as the service provider for all claims handling, life insurance, and investment management services for its insurance subsidiaries, collectively referred to as "administrative services". Acting as attorney-in-fact in these two capacities is done in accordance with a subscriber's agreement (a limited power of attorney) executed individually by each subscriber (policyholder), which appoints us as their common attorney-in-fact to transact certain business on their behalf. Pursuant to the subscriber's agreement for acting as attorney-in-fact in these two capacities, we earn a management fee calculated as a percentage of the direct and affiliated assumed premiums written by the Exchange. The policy issuance and renewal services we provide to the Exchange are related to the sales, underwriting and issuance of policies. The sales related services we provide include agent compensation and certain sales and advertising support services. Agent compensation includes scheduled commissions to agents based upon premiums written as well as additional commissions and bonuses to agents, which are earned by achieving targeted measures. Agent compensation comprised approximately 66% of our 2022 policy issuance and renewal expenses. The underwriting services we provide include underwriting and policy processing and comprised approximately 10% of our 2022 policy issuance and renewal expenses. The remaining services we provide include customer service and administrative support. We also provide information technology services that support all the functions listed above that comprised approximately 11% of our 2022 policy issuance and renewal expenses. Included in these expenses are allocations of costs for departments that support these policy issuance and renewal functions. The Exchange, by virtue of its legal structure as a reciprocal insurer, does not have any employees or officers. Therefore, it enters into contractual relationships by and through an attorney-in-fact. Indemnity serves as the attorney-in-fact on behalf of the Exchange with respect to its administrative services in accordance with the subscriber's agreement. The Exchange's insurance subsidiaries also utilize Indemnity for these services in accordance with the service agreements between each of the subsidiaries and Indemnity. Claims handling services include costs incurred in the claims process, including the adjustment, investigation, defense, recording and payment functions. Life insurance management services include costs incurred in the management and processing of life insurance business. Investment management services are related to investment trading activity, accounting and all other functions attributable to the investment of funds. Included in these expenses are allocations of costs for departments that support these administrative functions. The subscriber's agreement and service agreements provide for reimbursement of amounts incurred for these services to Indemnity. Reimbursements are settled at cost. State insurance regulations require that intercompany service agreements and any material amendments be approved in advance by the state insurance department. Our results of operations are tied to the growth and financial condition of the Exchange. If any events occurred that impaired the Exchange’s ability to grow or sustain its financial condition, including but not limited to reduced financial strength ratings, disruption in the independent agency relationships, significant catastrophe losses, or products not meeting customer demands, the Exchange could find it more difficult to retain its existing business and attract new business. A decline in the business of the Exchange almost certainly would have as a consequence a decline in the total premiums paid and a correspondingly adverse effect on the amount of the management fees we receive. We also have an exposure to a concentration of credit risk related to the unsecured receivables due from the Exchange for its management fee and cost reimbursements. See Note 15, "Concentrations of Credit Risk". Risks and uncertainties In March 2020, the outbreak of COVID-19 was declared a global pandemic. Post-pandemic conditions have created an inflationary environment which may impact the adequacy of estimated loss reserves and future premium rates of the Exchange in addition to overall financial market volatility, which may impact our investment results. The uncertainty of the current economic environment continues to evolve. We are unable to predict the duration or extent of the financial impacts.

Borrowing Arrangements	12 Months Ended
Borrowing Arrangements	Dec. 31, 2022
Debt Disclosure [Abstract]
Borrowing Arrangements	Borrowing Arrangements Term Loan Credit Facility In 2016, we entered into a credit agreement for a $100 million senior secured draw term loan credit facility ("Credit Facility") for the acquisition of real property and construction of an office building that now serves as part of our principal headquarters. On January 1, 2019, the Credit Facility converted to a fully-amortized term loan with monthly payments of principal and interest at a fixed rate of 4.35% over a period of 28 years. In May 2022, we repaid the remaining $93.2 million balance on the term loan. In conjunction with the payoff, pledged collateral was released and we accelerated amortization of $0.2 million related to unamortized loan origination and commitment fees which is included in interest expense in the Statement of Operations for the year ended December 31, 2022. Bank Line of Credit We have access to a $100 million bank revolving line of credit with a $25 million letter of credit sublimit that expires on October 29, 2026. In May 2022, we borrowed on the line of credit to support the payoff of the term loan. As of December 31, 2022, outstanding borrowings on the line of credit have been repaid and a total of $99.1 million remains available under the facility due to $0.9 million outstanding letters of credit, which reduce the availability for letters of credit to $24.1 million. Investments with a fair value of $114.6 million were pledged as collateral on the line of credit at December 31, 2022. These investments have no trading restrictions and are reported as available-for-sale securities and cash and cash equivalents on our Statement of Financial Position as of December 31, 2022. The bank requires compliance with certain covenants, which include leverage ratios and debt restrictions for our line of credit. We are in compliance with all covenants at December 31, 2022.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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+ Details

Postretirement Benefits - Cost of Pension Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cost of pension plans:
Service cost for benefits earned	$ 50,242	$ 53,041	$ 43,492
Interest cost on benefit obligation	39,764	36,824	37,578
Expected return on plan assets	(54,557)	(50,275)	(49,411)
Prior service cost amortization	1,443	1,428	1,343
Net actuarial loss amortization	7,320	16,106	12,125
Pension plan cost	$ 44,212	$ 57,124	$ 45,127
Defined benefit plan, net periodic benefit cost (credit) excluding service cost, statement of income or comprehensive income	Other income (expense)
Erie Insurance Exchange (EIE)
Postretirement benefits
Postretirement annual benefit expense reimbursed to Indemnity from the Exchange and its subsidiaries	58.00%

Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Schedule of Cost of Pension Plans

Pension plan cost includes the following components for the years ended December 31:


(in thousands)
	2022		2021		2020
Service cost for benefits earned	$	50,242	$	53,041	$	43,492
Interest cost on benefit obligation	39,764		36,824		37,578
Expected return on plan assets	(54,557)		(50,275)		(49,411)
Prior service cost amortization	1,443		1,428		1,343
Net actuarial loss amortization	7,320		16,106		12,125

Pension plan cost (1)	$	44,212	$	57,124	$	45,127

Schedule of Actuarial Assumptions Used to Measure the Year-End Obligations and Net Periodic Benefit Costs for the Subsequent Year

The following table describes the assumptions at December 31 used to measure the year-end obligations and the net periodic benefit costs for the subsequent year:


	2022		2021		2020		2019

Employee pension plan:
Discount rate	5.67	%	3.16	%	2.96	%	3.59	%
Expected return on assets	5.50		5.50		6.00		6.00
Rate of compensation increase (1)	3.21		3.21		3.21		3.21

SERP:
Discount rate – pre-retirement/post-retirement (2)	5.46		3.11		2.86		3.59/3.09
Rate of compensation increase	5.00		5.00		5.00		5.00

(1) The rate of compensation increase for the employee plan is age-graded. An equivalent single compensation increase rate of 3.21% in 2022, 2021 and 2020 would produce similar results.

Schedule of Funded Status of Pension Plans and Amounts Recognized in the Statements of Financial Position

The following table sets forth the funded status of the pension plans and the amounts recognized in the Statements of Financial Position at December 31:


(in thousands)
	2022		2021

Funded status at end of year	$	(53,948)	$	(132,411)

Pension liabilities – due within one year (1)	$	(2,724)	$	(2,028)
Pension liabilities – due after one year	(51,224)		(130,383)
Net amount recognized	$	(53,948)	$	(132,411)

(1) The current portion of pension liabilities is included in accounts payable and accrued liabilities.

Schedule of Reconciliation of Beginning and Ending Balances of the Projected Benefit Obligation, as well as the Accumulated Benefit Obligation

The following table sets forth a reconciliation of beginning and ending balances of the projected benefit obligation, as well as the accumulated benefit obligation at December 31:


(in thousands)
	2022		2021
Projected benefit obligation, beginning of year	$	1,272,654	$	1,246,159
Service cost for benefits earned	50,242		53,041
Interest cost on benefit obligation	39,764		36,824
Plan amendments	1,620		4,059
Actuarial gain	(448,330)		(38,400)
Benefits paid	(32,136)		(29,029)

Projected benefit obligation, end of year	$	883,814	$	1,272,654

Accumulated benefit obligation, end of year	$	762,180	$	1,037,820

Schedule of Defined Benefit Pension Plans with Projected Benefit Obligations in Excess of Plan Assets

Both the defined benefit pension plan and SERP had projected benefit obligations in excess of plan assets at December 31:


(in thousands)
	2022		2021
Projected benefit obligation	$	883,814	$	1,272,654

Plan assets	829,866		1,140,243

Schedule of Defined Benefit Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets

The SERP had accumulated benefit obligations in excess of plan assets at December 31:


(in thousands)
	2022		2021

Accumulated benefit obligation	$	21,577	$	29,190
Plan assets	—		—

Schedule of Reconciliation of Beginning and Ending Balances of the Fair Value of Plan Assets

The following table sets forth a reconciliation of beginning and ending balances of the fair value of plan assets at December 31:


(in thousands)
	2022		2021
Fair value of plan assets, beginning of year	$	1,140,243	$	1,081,061
Actual return on plan assets	(304,005)		86,966
Employer contributions	25,764		1,245
Benefits paid	(32,136)		(29,029)

Fair value of plan assets, end of year	$	829,866	$	1,140,243

Schedule of Amounts Included in Accumulated Other Comprehensive (Income) Loss that were Not Yet Recognized as Components of Net Benefit Costs


(in thousands)
	2022		2021
Net actuarial (gain) loss	$	(69,564)	$	27,524
Prior service cost	12,378		12,201
Net amount not yet recognized	$	(57,186)	$	39,725

Schedule of Amounts Recognized in Other Comprehensive Income for Pension Plans

Amounts recognized in other comprehensive income for pension plans were as follows for the years ended December 31:


(in thousands)
	2022		2021
Net actuarial gain arising during the year	$	(89,768)	$	(75,091)
Amortization of net actuarial loss	(7,320)		(16,106)
Amortization of prior service cost	(1,443)		(1,428)
Plan amendments (1)	1,620		4,059

Total recognized in other comprehensive income	$	(96,911)	$	(88,566)

(1) Plan amendments relate to new SERP participants.

Schedule of Target and Actual Asset Allocations for the Portfolio

The target and actual asset allocations for the portfolio are as follows for the years ended December 31:



	Target asset allocation			Target asset allocation		Actual asset allocation		Actual asset allocation
Asset allocation:	2022			2021		2022		2021
Equity securities:
U.S. equity securities	27	%	(1)	27	%	27	%	27	%
Non-U.S. equity securities	18		(2)	18		19		18
Total equity securities	45			45		46		45
Debt securities	54		(3)	54		53		54
Other	1		(4)	1		1		1
Total	100	%		100	%	100	%	100	%

(1) U.S. equity securities – 100% seek to achieve excess returns relative to the Russell 3000 Index.

(3) Debt securities – 58% are allocated to long U.S. Treasury Strips, 42% are allocated to U.S. corporate bonds with an emphasis on long duration bonds rated A or better.

(4) Institutional money market fund.

Schedule of Fair Value Measurements of Pension Plan Assets by Major Category and Level of Input

The following tables present fair value measurements for the pension plan assets by major category and level of input as of:



	December 31, 2022

(in thousands)	Total		Level 1 Fair Value		Level 2 Fair Value		Level 3 Fair Value		Net Asset Value (NAV)
Equity securities:
U.S. equity securities	$	219,410	$	204,838	$	0	$	0	$	14,572
Non-U.S. equity securities	160,009		110,799		0		0		49,210
Total equity securities	379,419		315,637		0		0		63,782
Debt securities	439,004		0		0		0		439,004
Other	11,443		11,443		0		0		0
Total	$	829,866	$	327,080	$	0	$	0	$	502,786



	December 31, 2021

(in thousands)	Total		Level 1 Fair Value		Level 2 Fair Value		Level 3 Fair Value		Net Asset Value (NAV) (1)
Equity securities:
U.S. equity securities	$	305,440	$	0	$	0	$	0	$	305,440
Non-U.S. equity securities	200,949		139,688		0		0		61,261
Total equity securities	506,389		139,688		0		0		366,701
Debt securities	620,337		0		0		0		620,337
Other	13,517		13,517		0		0		0
Total	$	1,140,243	$	153,205	$	0	$	0	$	987,038

(1) Amounts were reclassified from Level 2 fair value to NAV to conform to current period presentation.

Schedule of Benefits Expected to be Paid Over the Next 10 Years from Pension Plans

The following table sets forth amounts of benefits expected to be paid over the next 10 years from our pension plans as of:


(in thousands)
Year ending December 31,		Expected future benefit payments
2023	$	33,827
2024		36,175
2025		39,205
2026		41,731
2027		44,904
2028 - 2032		276,456

Related Party (Details) $ in Thousands	1 Months Ended	6 Months Ended	12 Months Ended
Related Party (Details) $ in Thousands	Jan. 31, 2023	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) affiliate insurer	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Related party transactions
Management fee rate as a percent of direct and affiliated assumed written premiums of the Exchange			25.00%
Minimum number of affiliates to be classified as an insurance holding company system \| affiliate			2
Minimum number of insurer affiliates to be classified as an insurance holding company system \| insurer			1
Total operating revenue			$ 2,840,124	$ 2,633,977	$ 2,536,489
Service agreement revenue
Related party transactions
Total operating revenue			$ 25,687	$ 24,042	$ 25,797
Erie Insurance Exchange (EIE)
Related party transactions
Management fee rate as a percent of direct and affiliated assumed written premiums of the Exchange			25.00%	25.00%	25.00%
Payment to acquire real estate				$ 97,500
Lease expense on office space leased from Exchange				6,100	$ 6,100
Operating expenses on shared facilities		$ 800	$ 19,500	15,700	15,700
Reimbursements from the Exchange for shared facilities		100	4,100	$ 4,800	$ 4,600
Erie Insurance Exchange (EIE) \| Subsequent Event
Related party transactions
Management fee rate as a percent of direct and affiliated assumed written premiums of the Exchange	25.00%
Erie Insurance Exchange (EIE) \| Service agreement revenue
Related party transactions
Total operating revenue		$ 200	$ 2,200

Supplementary Data on Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 298,569	$ 297,860	$ 293,304
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	46,166	37,210	21,195
Deferred income tax expense (benefit)	9,468	(1,854)	(5,162)
Lease amortization expense	5,554	11,887	13,108
Losses (gains) and impairment losses (recoveries) on investments	27,953	(2,307)	(3,114)
Loss (gain) on disposal of fixed assets	172	(13)	(15)
Net investment loss (income)	12,916	(25,944)	5,878
(Decrease) increase in deferred compensation	(1,463)	(5,006)	7,611
(Increase) decrease in receivables from affiliates	(45,814)	15,514	(26,548)
Increase in accrued investment income	(1,998)	(157)	(713)
Increase in pension liability	15,647	52,755	41,227
(Increase) decrease in prepaid expenses and other assets	(25,843)	12,161	(4,771)
Increase (decrease) in accounts payable and accrued expenses	18,993	(4,823)	(14,307)
Increase (decrease) in commissions payable	29,282	8,408	(625)
(Decrease) increase in accrued agent bonuses	(25,271)	10,279	14,105
Increase (decrease) in contract liability	1,821	(3,176)	1,422
Net cash provided by operating activities	$ 366,152	$ 402,794	$ 342,595

Commitments and Contingencies (Details) - Loan Purchase Commitments	12 Months Ended
	Dec. 31, 2022 USD ($)
Other Commitments [Line Items]
Minimum funding percentage of each loan	30.00%
Participation amount in loan program	$ 17,400,000
Loan program, guaranteed amount	6,300,000
Third-Party Bank
Other Commitments [Line Items]
Amount of loan participation program	51,200,000
Maximum \| Third-Party Bank
Other Commitments [Line Items]
Amount of loan participation program	$ 100,000,000

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
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Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 80
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (1)

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1404
-Paragraph (a)

+ Details

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

The provision for income taxes consists of the following for the years ended December 31:


(in thousands)
	2022		2021		2020

Current income tax expense	$	68,415	$	80,398	$	80,373
Deferred income tax expense (benefit)	9,468		(1,854)		(5,162)

Income tax expense	$	77,883	$	78,544	$	75,211

Schedule of Reconciliation of the Provision for Income Taxes, with Amounts Determined by Applying the Statutory Federal Income Tax Rate to Pre-Tax Income

A reconciliation of the provision for income taxes, with amounts determined by applying the statutory federal income tax rate to pre-tax income, is as follows for the years ended December 31:


(in thousands)
	2022		2021		2020
Income tax at statutory rate	$	79,055	$	79,045	$	77,388



Other, net	(1,172)		(501)		(2,177)
Income tax expense	$	77,883	$	78,544	$	75,211

Schedule of Temporary Differences and Carry-Forwards, which Give Rise to Deferred Tax Assets and Liabilities

Temporary differences and carry-forwards, which give rise to deferred tax assets and liabilities, are as follows as of December 31:


(in thousands)
	2022		2021
Deferred tax assets:
Other employee benefits	$	16,358	$	15,273
Unrealized losses on investments	15,403		—
Deferred revenue	3,710		3,963
Allowance for management fee returned on cancelled policies	3,405		3,330


Pension and other postretirement benefits	—		21,545
Other	3,902		3,484
Total deferred tax assets	42,778		47,595
Deferred tax liabilities:
Depreciation	37,682		35,204
Pension and other postretirement benefits	15,473		—
Prepaid expenses	1,731		2,458
Unrealized gains on investments	—		8,713






Other	1,967		1,075
Total deferred tax liabilities	56,853		47,450
Net deferred tax (liability) asset	$	(14,075)	$	145

Incentive and Deferred Compensation Plans - Narrative (Details) $ / shares in Units, $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) plan $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)
Incentive and deferred compensation plans
Number of incentive plans for executives, senior vice presidents and other selected officers \| plan		2
Number of deferred compensation plans for executives, senior vice presidents and other selected officers \| plan		2
Number of deferred compensation plans for outside directors \| plan		2
Annual incentive plan awards
Incentive and deferred compensation plans
Maximum percentage of employee compensation that can be deferred (as a percent)		100.00%
Long-term incentive plan awards
Incentive and deferred compensation plans
Maximum percentage of employee compensation that can be deferred (as a percent)		100.00%
Vesting period of performance and/or service condition(s)		3 years
Maximum dollar amount which may be received by any single participant during any specified period		$ 5.0
Compensation cost related to share-based compensation plan awards		3.4	$ 3.0	$ 12.0
Tax benefits recognized in income related to award expense		0.7	0.6	2.5
Total unrecognized compensation cost related to share-based compensation plan awards pertaining to open performance periods		$ 5.9
Expected period of recognition related to unrecognized compensation cost (in years)		2 years
Long-term incentive plan awards \| Class A common stock
Incentive and deferred compensation plans
Maximum number of shares authorized for grant (in shares) \| shares		1,500,000
Maximum number of shares which may be received by any single participant during any specified period (in shares) \| shares		250,000
Long-term incentive plan awards \| Performance Period Long Term Incentive Plan 2020 To 2022
Incentive and deferred compensation plans
Compensation cost related to share-based compensation plan awards	$ 5.4
Long-term incentive plan awards \| Performance Period Long Term Incentive Plan 2019-2021
Incentive and deferred compensation plans
Compensation cost related to share-based compensation plan awards			$ 3.8
Long-term incentive plan awards \| Performance Period Long-Term Incentive Plan 2018-2020
Incentive and deferred compensation plans
Compensation cost related to share-based compensation plan awards				$ 10.9
Long-term incentive plan awards \| Performance Period Long Term Incentive Plan 2017-2019
Incentive and deferred compensation plans
Compensation cost related to share-based compensation plan awards					$ 7.4
Incentive compensation deferral plan \| Class A common stock
Incentive and deferred compensation plans
Vesting percent of the grant in Class A common stock (as a percent)		100.00%
Payment period for vested share credits (in years)		3 years
Average price per share for shares purchased (in dollars per share) \| $ / shares		$ 173.52	$ 232.81	$ 155.92
Total cost of shares purchased for share-based compensation awards		$ 0.5	$ 0.6	$ 0.6
Incentive compensation deferral plan \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares		2,879	2,570	3,934
Incentive compensation deferral plan \| Performance Period Long Term Incentive Plan 2019-2021 \| Class A common stock
Incentive and deferred compensation plans
Average price per share for shares purchased (in dollars per share) \| $ / shares		$ 178.45
Total cost of shares purchased for share-based compensation awards		$ 0.7
Incentive compensation deferral plan \| Performance Period Long Term Incentive Plan 2019-2021 \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares		4,167
Incentive compensation deferral plan \| Performance Period Long-Term Incentive Plan 2018-2020 \| Class A common stock
Incentive and deferred compensation plans
Average price per share for shares purchased (in dollars per share) \| $ / shares			$ 191.25
Total cost of shares purchased for share-based compensation awards			$ 3.4
Incentive compensation deferral plan \| Performance Period Long-Term Incentive Plan 2018-2020 \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares			17,881
Incentive compensation deferral plan \| Performance Period Long Term Incentive Plan 2017-2019 \| Class A common stock
Incentive and deferred compensation plans
Average price per share for shares purchased (in dollars per share) \| $ / shares				$ 185.31
Total cost of shares purchased for share-based compensation awards				$ 3.4
Incentive compensation deferral plan \| Performance Period Long Term Incentive Plan 2017-2019 \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares				18,126
Stock compensation plan for outside directors
Incentive and deferred compensation plans
Compensation cost related to share-based compensation plan awards		$ 0.8	$ 0.8	$ 0.9
Stock compensation plan for outside directors \| Class A common stock
Incentive and deferred compensation plans
Average price per share for shares purchased (in dollars per share) \| $ / shares		$ 201.93	$ 212.41	$ 201.78
Total cost of shares purchased for share-based compensation awards		$ 1.2	$ 1.1	$ 1.5
Stock compensation plan for outside directors \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares		6,048	5,238	7,401
Stock compensation plan for outside directors \| Class A common stock \| Three Month Vesting Period
Incentive and deferred compensation plans
Vesting period of performance and/or service condition(s)		3 months
Vesting percent of the grant in Class A common stock (as a percent)		25.00%
Equity compensation plan
Incentive and deferred compensation plans
Compensation cost related to share-based compensation plan awards		$ 0.8	$ 0.2	$ 0.7
Total unrecognized compensation cost related to share-based compensation plan awards pertaining to open performance periods		$ 1.3
Expected period of recognition related to unrecognized compensation cost (in years)		3 years
Equity compensation plan \| Class A common stock
Incentive and deferred compensation plans
Maximum number of shares authorized for grant (in shares) \| shares		100,000
Maximum number of shares which may be received by any single participant during any specified period (in shares) \| shares		10,000
Equity compensation plan \| Performance Period Equity Compensation Plan 2019 \| Class A common stock
Incentive and deferred compensation plans
Average price per share for shares purchased (in dollars per share) \| $ / shares		$ 190.68
Total cost of shares purchased for share-based compensation awards		$ 0.3
Equity compensation plan \| Performance Period Equity Compensation Plan 2019 \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares		1,786
Equity compensation plan \| Performance Period Equity Compensation Plan 2018 \| Class A common stock
Incentive and deferred compensation plans
Average price per share for shares purchased (in dollars per share) \| $ / shares			$ 242.01
Total cost of shares purchased for share-based compensation awards			$ 0.2
Equity compensation plan \| Performance Period Equity Compensation Plan 2018 \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares			978
Equity compensation plan \| Performance Period Equity Compensation Plan 2017 \| Class A common stock
Incentive and deferred compensation plans
Average price per share for shares purchased (in dollars per share) \| $ / shares				$ 165.82
Total cost of shares purchased for share-based compensation awards				$ 0.3
Equity compensation plan \| Performance Period Equity Compensation Plan 2017 \| Class A common stock \| Performance shares
Incentive and deferred compensation plans
Shares purchased for share-based compensation awards (in shares) \| shares				1,787
Erie Insurance Exchange (EIE) \| Long-term incentive plan awards
Incentive and deferred compensation plans
Incentive plan compensation cost reimbursed to Indemnity from the Exchange and its subsidiaries (as a percent)		41.00%
Erie Insurance Exchange (EIE) \| Equity compensation plan
Incentive and deferred compensation plans
Incentive plan compensation cost reimbursed to Indemnity from the Exchange and its subsidiaries (as a percent)		3.00%	33.00%	59.00%

Incentive and Deferred Compensation Plans - Table (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred executive compensation liability
Deferred executive compensation, beginning of the year	$ 27,208	$ 32,223	$ 24,616
Total plan awards and earnings	10,126	13,282	20,962
Total plan awards paid	(10,413)	(16,647)	(10,121)
Deferred executive compensation, end of the year	25,760	27,208	32,223
Annual incentive plan awards
Deferred executive compensation liability
Annual incentive plan awards	6,305	6,768	5,619
Long-term incentive plan awards
Deferred executive compensation liability
Long-term incentive plan awards	3,417	3,471	12,381
Forfeitures	0	(473)	(356)
Deferred compensation plans and stock compensation plan for outside directors
Deferred executive compensation liability
Employer match and hypothetical earnings on deferred compensation	404	3,043	2,962
Compensation deferred	2,528	4,765	4,668
Distributions from the deferred compensation plans	(742)	(811)	(2,081)
Stock compensation plan for outside directors
Deferred executive compensation liability
Funding of rabbi trust	(1,221)	(1,113)	(1,493)
Incentive compensation deferral plan
Deferred executive compensation liability
Funding of rabbi trust	(1,726)	$ (4,018)	$ (3,972)
Shares held back to satisfy tax withholding on rabbi trust distributions	$ 500

Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Reconciliation of the Numerators and Denominators Used in the Basic and Diluted Per-Share Computations

A reconciliation of the numerators and denominators used in the basic and diluted per-share computations is presented as follows for each class of common stock:



(dollars in thousands, except per share data)						For the years ended December 31,
	2022					2021					2020
	Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount
Class A – Basic EPS:
Income available to Class A stockholders	$	296,125	46,188,916	$	6.41	$	295,421	46,188,806	$	6.40	$	290,902	46,188,659	$	6.30
Dilutive effect of stock-based awards	0		8,274	—		0		17,696	—		0		23,901	—
Assumed conversion of Class B shares	2,444		6,100,800	—		2,439		6,100,800	—		2,402		6,100,800	—
Class A – Diluted EPS:
Income available to Class A stockholders on Class A equivalent shares	$	298,569	52,297,990	$	5.71	$	297,860	52,307,302	$	5.69	$	293,304	52,313,360	$	5.61
Class B – Basic EPS:
Income available to Class B stockholders	$	2,444	2,542	$	962	$	2,439	2,542	$	959	$	2,402	2,542	$	945
Class B – Diluted EPS:
Income available to Class B stockholders	$	2,444	2,542	$	962	$	2,438	2,542	$	959	$	2,401	2,542	$	945

Capital Stock - Class A and B Common Stock (Details)	12 Months Ended
Capital Stock - Class A and B Common Stock (Details)	Dec. 31, 2022 classOfStock shares	Dec. 31, 2021 shares	Dec. 31, 2020 shares
Common stock
Number of classes of common stock \| classOfStock	2
Class A common stock
Common stock
Minimum multiplier for dividend payable on Class A common stock per dividend declared on Class B common stock	0.67%
Class B common stock
Common stock
Ratio for converting shares of Class B common stock into shares of Class A common stock	2,400	2,400
Class B common stock shares converted into Class A common stock shares (in shares) \| shares	0	0	0
Percentage of dividend declared on Class B common stock used to determine dividend payable on Class A common stock	0.67%

Investments - Portion of Net Unrealized Gains and Losses Recognized During Reporting Period (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity securities:
Net (losses) gains recognized during the period	$ (13,238)	$ (186)	$ 5,056
Less: net losses recognized on securities sold	(1,866)	(76)	(469)
Net unrealized (losses) gains recognized on securities held at reporting date	$ (11,372)	$ (110)	$ 5,525

Revenue

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Revenue

The majority of our revenue is derived from the subscriber’s agreement between us and the subscribers (policyholders) at the Exchange. Pursuant to the subscriber’s agreement, we earn a management fee calculated as a percentage, not to exceed 25%, of all direct and affiliated assumed written premiums of the Exchange. We allocate a portion of our management fee revenue, currently 25% of the direct and affiliated assumed written premiums of the Exchange, between the two performance obligations we have under the subscriber’s agreement. The first performance obligation is to provide policy issuance and renewal services to the subscribers (policyholders) at the Exchange, and the second is to act as attorney-in-fact on behalf of the Exchange, as well as the service provider for its insurance subsidiaries, with respect to all administrative services.

The transaction price, including management fee revenue and administrative services reimbursement revenue, includes variable consideration and is allocated based on the estimated standalone selling prices developed using industry information and other available information for similar services. A constraining estimate of variable consideration exists related to the potential for management fees to be returned if a policy were to be cancelled mid-term. Management fees are returned to the Exchange when policyholders cancel their insurance coverage mid-term and premiums are refunded to them. The constraining estimate is determined using the expected value method, based on both historical and current information. The estimated transaction price, as reduced by the constraint, reflects consideration expected for performance of our services. We update the transaction price and the related allocation at least annually based upon the most recent information available or more frequently if there have been significant changes in any components considered in the transaction price.

The first performance obligation is to provide policy issuance and renewal services that result in executed insurance policies between the Exchange or one of its insurance subsidiaries and the subscriber (policyholder). The subscriber (policyholder) receives economic benefits when substantially all the policy issuance or renewal services are complete and an insurance policy is issued or renewed by the Exchange or one of its insurance subsidiaries. It is at the time of policy issuance or renewal that the allocated portion of revenue is recognized.

The Exchange, by virtue of its legal structure as a reciprocal insurer, does not have any employees or officers. Therefore, it enters into contractual relationships by and through an attorney-in-fact. Indemnity serves as the attorney-in-fact on behalf of the Exchange with respect to its administrative services in accordance with the subscriber's agreement. The Exchange's insurance subsidiaries also utilize Indemnity for these services in accordance with the service agreements between each of the subsidiaries and Indemnity. Collectively, these services represent a second performance obligation under the subscriber’s agreement and the service agreements. The revenue allocated to this performance obligation is recognized over a four-year period representing the time over which these services are provided. The portion of revenue not yet earned is recorded as a contract liability in the Statements of Financial Position. For the years ended December 31, 2022, 2021, and 2020, we recognized revenue of $34.9 million, $36.9 million, and $35.9 million, respectively, that was included in the contract liability balance at the beginning of the respective periods. The administrative services expenses we incur and the related reimbursements we receive are recorded gross in the Statements of Operations.

Indemnity records a receivable from the Exchange for management fee revenue when the premium is written or assumed from affiliates by the Exchange. Indemnity collects the management fee from the Exchange when the Exchange collects the premiums from the subscribers (policyholders). As the Exchange issues policies with annual terms only, cash collections generally occur within one year.

The following table disaggregates revenue by our two performance obligations for the years ended December 31:


(in thousands)	2022		2021		2020
Management fee revenue - policy issuance and renewal services	$	2,087,846	$	1,913,166	$	1,841,794

Management fee revenue - administrative services	58,323		58,286		59,463
Administrative services reimbursement revenue	668,268		638,483		609,435
Total revenue from administrative services	$	726,591	$	696,769	$	668,898

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-URI https://asc.fasb.org/topic&trid=49130388

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
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-Name Accounting Standards Codification
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+ Details

STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands

Total

Cumulative Effect, Period of Adoption, Adjustment

^[1]

Class A common stock

Class B common stock

Common stock

Class A common stock

Common stock

Class B common stock

Additional paid-in-capital

Accumulated other comprehensive (loss) income

Retained earnings

Cumulative Effect, Period of Adoption, Adjustment

^[1]

Retained earnings

Class A common stock

Retained earnings

Class B common stock

Treasury stock

Deferred compensation

Balance, beginning of year at Dec. 31, 2019

$ 1,133,253

$ (1,075)

$ 1,992

$ 178

$ 16,483

$ (116,868)

$ 2,377,558

$ (1,075)

$ (1,158,910)

$ 12,820

Increase (Decrease) in Shareholders' Equity

Net income

293,304

Other comprehensive income

38,725

Dividends declared

$ (273,902)

$ (2,261)

$ (273,902)

$ (2,261)

Net purchase of treasury stock

^[2]

Deferred compensation

(5,465)

5,465

Rabbi trust distribution

^[3]

705

(705)

Balance, end of year at Dec. 31, 2020

1,188,048

1,992

178

16,487

(78,143)

2,393,624

(1,163,670)

17,580

Increase (Decrease) in Shareholders' Equity

Net income

297,860

Other comprehensive income

52,855

Dividends declared

(194,687)

(1,607)

(194,687)

(1,607)

Net purchase of treasury stock

^[2]

Deferred compensation

(5,131)

5,131

Rabbi trust distribution

^[3]

973

(973)

Balance, end of year at Dec. 31, 2021

1,342,478

1,992

178

16,496

(25,288)

2,495,190

(1,167,828)

21,738

Increase (Decrease) in Shareholders' Equity

Net income

298,569

Other comprehensive income

17,874

Dividends declared

$ (208,775)

$ (1,723)

$ (208,775)

$ (1,723)

Net purchase of treasury stock

^[2]

(15)

Deferred compensation

(2,975)

2,975

Rabbi trust distribution

^[3]

1,854

(1,854)

Balance, end of year at Dec. 31, 2022

$ 1,448,408

$ 1,992

$ 178

$ 16,481

$ (7,414)

$ 2,583,261

$ (1,168,949)

$ 22,859

[1]	The cumulative effect adjustment in 2020 is related to the implementation of credit loss allowance accounting guidance effective January 1, 2020. See Note 2, "Significant Accounting Policies."
[2]	Net purchases of treasury stock in 2020, 2021 and 2022 include the repurchase of our Class A common stock in the open market that were subsequently distributed to satisfy stock-based compensation awards. See Note 10, "Incentive and Deferred Compensation Plans".
[3]	Distributions of our Class A shares were made from the rabbi trust to a retired director and an incentive compensation deferral plan participant in both 2020 and 2021, and to four incentive compensation deferral plan participants in 2022. See Note 10, "Incentive and Deferred Compensation Plans".

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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+ Details

Supplementary Data on Cash Flows (Tables)

12 Months Ended

Dec. 31, 2022

Supplemental Cash Flow Information [Abstract]

Schedule of Reconciliation of Net Income to Net Cash Provided by Operating Activities as Presented in the Statements of Cash Flows

A reconciliation of net income to net cash provided by operating activities as presented in the Statements of Cash Flows is as follows for the years ended December 31:


(in thousands)	2022		2021		2020

Cash flows from operating activities:
Net income	$	298,569	$	297,860	$	293,304
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	46,166		37,210		21,195
Deferred income tax expense (benefit)	9,468		(1,854)		(5,162)

Lease amortization expense	5,554		11,887		13,108
Losses (gains) and impairment losses (recoveries) on investments	27,953		(2,307)		(3,114)

Loss (gain) on disposal of fixed assets	172		(13)		(15)
Net investment loss (income)	12,916		(25,944)		5,878
(Decrease) increase in deferred compensation	(1,463)		(5,006)		7,611

(Increase) decrease in receivables from affiliates	(45,814)		15,514		(26,548)
Increase in accrued investment income	(1,998)		(157)		(713)

Increase in pension liability	15,647		52,755		41,227
(Increase) decrease in prepaid expenses and other assets	(25,843)		12,161		(4,771)
Increase (decrease) in accounts payable and accrued expenses	18,993		(4,823)		(14,307)
Increase (decrease) in commissions payable	29,282		8,408		(625)
(Decrease) increase in accrued agent bonuses	(25,271)		10,279		14,105
Increase (decrease) in contract liability	1,821		(3,176)		1,422
Net cash provided by operating activities	$	366,152	$	402,794	$	342,595

STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating revenue
Total operating revenue	$ 2,840,124	$ 2,633,977	$ 2,536,489
Operating expenses
Total operating expenses	2,463,910	2,315,880	2,198,332
Operating income	376,214	318,097	338,157
Investment income
Net investment income	28,585	62,177	29,753
Net realized and unrealized investment (losses) gains	(27,286)	4,946	6,392
Net impairment (losses) recoveries recognized in earnings	(667)	209	(3,278)
Total investment income	632	67,332	32,867
Interest expense, net	2,009	4,132	731
Other income (expense)	1,615	(4,893)	(1,778)
Income before income taxes	376,452	376,404	368,515
Income tax expense	77,883	78,544	75,211
Net income	$ 298,569	$ 297,860	$ 293,304
Class A common stock
Earnings per share - Basic and diluted:
Common stock - basic (in dollars per share)	$ 6.41	$ 6.40	$ 6.30
Common stock - diluted (in dollars per share)	$ 5.71	$ 5.69	$ 5.61
Weighted average shares outstanding – Basic
Common stock - basic (in shares)	46,188,916	46,188,806	46,188,659
Weighted average shares outstanding – Diluted
Common stock - diluted (in shares)	52,297,990	52,307,302	52,313,360
Class B common stock
Earnings per share - Basic and diluted:
Common stock - basic (in dollars per share)	$ 962	$ 959	$ 945
Common stock - diluted (in dollars per share)	$ 962	$ 959	$ 945
Weighted average shares outstanding – Basic
Common stock - basic (in shares)	2,542	2,542	2,542
Weighted average shares outstanding – Diluted
Common stock - diluted (in shares)	2,542	2,542	2,542
Management fee revenue - policy issuance and renewal services
Operating revenue
Total operating revenue	$ 2,087,846	$ 1,913,166	$ 1,841,794
Operating expenses
Total operating expenses	1,795,642	1,677,397	1,588,897
Management fee revenue - administrative services
Operating revenue
Total operating revenue	58,323	58,286	59,463
Administrative services reimbursement revenue
Operating revenue
Total operating revenue	668,268	638,483	609,435
Operating expenses
Total operating expenses	668,268	638,483	609,435
Service agreement revenue
Operating revenue
Total operating revenue	$ 25,687	$ 24,042	$ 25,797

Accumulated Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2022

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss)


(in thousands)	2022						2021						2020
	Before Tax		Income Tax		Net		Before Tax		Income Tax		Net		Before Tax		Income Tax		Net
Investment securities:
AOCI, beginning of year	$	7,722	$	1,621	$	6,101	$	29,384	$	6,171	$	23,213	$	5,664	$	1,189	$	4,475
OCI (loss) before reclassifications	(89,010)		(18,692)		(70,318)		(16,474)		(3,460)		(13,014)		22,074		4,636		17,438
Realized investment losses (gains)	14,050		2,951		11,099		(5,131)		(1,078)		(4,053)		(1,335)		(280)		(1,055)
Impairment losses (recoveries)	667		140		527		(57)		(12)		(45)		2,981		626		2,355

OCI (loss)	(74,293)		(15,601)		(58,692)		(21,662)		(4,550)		(17,112)		23,720		4,982		18,738
AOCI (loss), end of year	$	(66,571)	$	(13,980)	$	(52,591)	$	7,722	$	1,621	$	6,101	$	29,384	$	6,171	$	23,213

Pension and other postretirement plans:
AOCI (loss), beginning of year	$	(39,734)	$	(8,345)	$	(31,389)	$	(128,300)	$	(26,944)	$	(101,356)	$	(153,600)	$	(32,257)	$	(121,343)
OCI before reclassifications	88,148		18,511		69,637		71,032		14,917		56,115		11,832		2,485		9,347
Amortization of prior service costs (1)	1,443		303		1,140		1,428		300		1,128		1,343		282		1,061
Amortization of net actuarial loss (1)	7,329		1,540		5,789		16,106		3,382		12,724		12,125		2,546		9,579
OCI	96,920		20,354		76,566		88,566		18,599		69,967		25,300		5,313		19,987
AOCI (loss), end of year	$	57,186	$	12,009	$	45,177	$	(39,734)	$	(8,345)	$	(31,389)	$	(128,300)	$	(26,944)	$	(101,356)

Total
AOCI (loss), beginning of year	$	(32,012)	$	(6,724)	$	(25,288)	$	(98,916)	$	(20,773)	$	(78,143)	$	(147,936)	$	(31,068)	$	(116,868)
Investment securities	(74,293)		(15,601)		(58,692)		(21,662)		(4,550)		(17,112)		23,720		4,982		18,738
Pension and other postretirement plans	96,920		20,354		76,566		88,566		18,599		69,967		25,300		5,313		19,987
OCI	22,627		4,753		17,874		66,904		14,049		52,855		49,020		10,295		38,725
AOCI (loss), end of year	$	(9,385)	$	(1,971)	$	(7,414)	$	(32,012)	$	(6,724)	$	(25,288)	$	(98,916)	$	(20,773)	$	(78,143)

(1)These components of AOCI (loss) are included in the computation of net periodic pension cost. See Note 9, "Postretirement Benefits", for additional information.

Revenue - Narrative (Details) $ in Millions	12 Months Ended
Revenue - Narrative (Details) $ in Millions	Dec. 31, 2022 USD ($) obligation	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Management fee rate as a percent of direct and affiliated assumed written premiums of the Exchange	25.00%
Performance obligations under subscriber's agreement \| obligation	2
Revenue recognized that was included in the contract liability at beginning of year \| $	$ 34.9	$ 36.9	$ 35.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Period of time over which indemnity revenue will be recognized	4 years

STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Management fee received	$ 2,100,989	$ 1,982,092	$ 1,887,537
Administrative services reimbursements received	668,857	634,300	587,347
Service agreement revenue received	25,515	24,014	25,797
Net investment income received	40,161	45,830	35,740
Commissions paid to agents	(1,042,158)	(966,285)	(928,864)
Agents bonuses paid	(136,403)	(123,583)	(108,227)
Salaries and wages paid	(208,575)	(204,279)	(188,070)
Pension contribution and employee benefits paid	(68,433)	(32,836)	(33,098)
General operating expenses paid	(263,524)	(235,294)	(253,545)
Administrative services expenses paid	(667,524)	(632,530)	(598,753)
Income taxes paid	(80,619)	(84,494)	(82,576)
Interest paid	(2,134)	(4,141)	(693)
Net cash provided by operating activities	366,152	402,794	342,595
Purchase of investments:
Available-for-sale securities	(465,071)	(380,017)	(396,014)
Equity securities	(18,929)	(58,191)	(79,518)
Other investments	(157)	(1,646)	(1,142)
Proceeds from investments:
Available-for-sale securities sales	295,996	150,153	101,718
Available-for-sale securities maturities/calls	130,401	184,820	118,852
Equity securities	20,456	64,118	70,405
Other investments	429	1,076	613
Purchase of fixed assets	(67,204)	(148,800)	(55,528)
Proceeds from disposal of fixed assets	265	0	15
Loans to agents	(11,631)	(6,382)	(10,098)
Collections on agent loans	8,523	9,379	7,472
Net cash used in investing activities	(106,922)	(185,490)	(243,225)
Cash flows from financing activities
Dividends paid to shareholders	(206,772)	(192,801)	(272,902)
Proceeds from short-term borrowings	55,000	0	0
Payments on short-term borrowings	(55,000)	0	0
Payments on long-term borrowings	(94,070)	(2,041)	(1,967)
Net cash used in financing activities	(300,842)	(194,842)	(274,869)
Net (decrease) increase in cash and cash equivalents	(41,612)	22,462	(175,499)
Cash and cash equivalents, beginning of year	183,702	161,240	336,739
Cash and cash equivalents, end of year	142,090	183,702	161,240
Supplemental disclosure of noncash transactions
Liability incurred to purchase fixed assets	26,386	12,802	14,214
Operating lease assets obtained in exchange for lease liabilities	7,650	3,447	4,943
Transfer of investments from other investments to equity securities	$ 0	$ 0	$ 13,041

Investments - Credit Loss Allowance (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2020
Investments [Abstract]
Agent loans, allowance for credit loss	$ 1.0	$ 1.0
Available-for-sales securities, allowance for credit loss	$ 0.2	$ 0.1	$ 0.6

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References + Details

Cover - USD ($) $ in Billions	12 Months Ended
Cover - USD ($) $ in Billions	Dec. 31, 2022	Feb. 17, 2023	Jun. 30, 2022
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	0-24000
Entry Registrant Name	ERIE INDEMNITY COMPANY
Entity Incorporation, State or Country Code	PA
Entity Tax Identification Number	25-0466020
Entity Address, Address Line One	100 Erie Insurance Place,
Entity Address, City or Town	Erie,
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	16530
City Area Code	814
Local Phone Number	870-2000
Title of 12(b) Security	Class A common stock,
Trading Symbol	ERIE
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Public Float			$ 4.9
Documents Incorporated by Reference	Portions of Part III of this Form 10-K (Items 10, 11, 12, 13, and 14) are incorporated by reference to the information statement on Schedule 14C to be filed with the Securities and Exchange Commission no later than 120 days after December 31, 2022.
Entity Central Index Key	0000922621
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Class A common stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		46,189,068
Class B common stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		2,542

Fixed Assets - Fixed Assets by Category (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fixed assets
Total fixed assets, gross	$ 655,323	$ 571,110
Less: Accumulated depreciation and amortization	(241,449)	(196,308)
Fixed assets, net	413,874	374,802
Software
Fixed assets
Intangible assets, gross	312,126	259,586
Land, buildings, and building improvements
Fixed assets
Tangible fixed assets, gross	213,263	211,624
Equipment
Fixed assets
Tangible fixed assets, gross	43,430	42,295
Furniture and fixtures
Fixed assets
Tangible fixed assets, gross	21,794	21,694
Leasehold improvements
Fixed assets
Tangible fixed assets, gross	1,393	1,342
Projects in progress
Fixed assets
Projects in progress	$ 63,317	$ 34,569

STATEMENTS OF FINANCIAL POSITION - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 142,090	$ 183,702
Available-for-sale securities	24,267	38,396
Receivables from Erie Insurance Exchange and affiliates, net	524,937	479,123
Prepaid expenses and other current assets	79,201	56,206
Accrued investment income	8,301	6,303
Total current assets	778,796	763,730
Available-for-sale securities, net	870,394	907,689
Equity securities	72,560	87,743
Fixed assets, net	413,874	374,802
Agent loans, net	60,537	58,683
Deferred income taxes, net	0	145
Other assets	43,295	49,265
Total assets	2,239,456	2,242,057
Current liabilities:
Commissions payable	300,028	270,746
Agent bonuses	95,166	120,437
Accounts payable and accrued liabilities	165,915	138,317
Dividends payable	55,419	51,693
Contract liability	36,547	34,935
Deferred executive compensation	12,036	12,637
Current portion of long-term borrowings	0	2,098
Total current liabilities	665,111	630,863
Defined benefit pension plans	51,224	130,383
Long-term borrowings	0	91,734
Contract liability	17,895	17,686
Deferred executive compensation	13,724	14,571
Deferred income taxes, net	14,075	0
Other long-term liabilities	29,019	14,342
Total liabilities	791,048	899,579
Shareholders' equity
Additional paid-in-capital	16,481	16,496
Accumulated other comprehensive loss	(7,414)	(25,288)
Retained earnings	2,583,261	2,495,190
Total contributed capital and retained earnings	2,594,498	2,488,568
Treasury stock, at cost; 22,110,132 shares held	(1,168,949)	(1,167,828)
Deferred compensation	22,859	21,738
Total shareholders' equity	1,448,408	1,342,478
Total liabilities and shareholders' equity	2,239,456	2,242,057
Class A common stock
Shareholders' equity
Common stock	1,992	1,992
Class B common stock
Shareholders' equity
Common stock	$ 178	$ 178

Concentrations of Credit Risk	12 Months Ended
Concentrations of Credit Risk	Dec. 31, 2022
Risks and Uncertainties [Abstract]
Concentrations of Credit Risk	Concentrations of Credit RiskFinancial instruments could potentially expose us to concentrations of credit risk, including our unsecured receivables from the Exchange. The majority of our revenue and receivables are from the Exchange and its affiliates. See also Note 1, "Nature of Operations". Net management fee amounts and other reimbursements due from the Exchange and its affiliates were $524.9 million and $479.1 million at December 31, 2022 and 2021, respectively. Upon adoption of ASU 2016-13 in 2020, we recorded an allowance for current expected credit losses of $0.6 million related to the receivables from the Exchange and affiliates. See also Note 2, "Significant Accounting Policies". The current expected credit loss allowance was $0.6 million and $0.5 million at December 31, 2022 and 2021, respectively.

Investments - Impairments on Available-For-Sale Securities and Agent Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Available-for-sale securities:
Intent to sell	$ (167)	$ (10)	$ (2,274)
Credit (impaired) recovered	(500)	67	(707)
Total available-for-sale securities	(667)	57	(2,981)
Agent loans - expected credit recoveries (losses)	0	152	(297)
Net impairment (losses) recoveries recognized in earnings	$ (667)	$ 209	$ (3,278)

Postretirement Benefits - Fair Value Measurement for Pension Plan Assets by Major Category and Level of Input (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair value measurements of pension plan assets:
Total	$ 829,866	$ 1,140,243	$ 1,081,061
Employee pension plan \| Qualified Plan \| Funded Plan
Fair value measurements of pension plan assets:
Total	829,866	1,140,243
Employee pension plan \| Qualified Plan \| Funded Plan \| Level 1 Fair Value
Fair value measurements of pension plan assets:
Total	327,080	153,205
Employee pension plan \| Qualified Plan \| Funded Plan \| Level 2 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Level 3 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Net Asset Value (NAV)
Fair value measurements of pension plan assets:
Total	502,786	987,038
Employee pension plan \| Qualified Plan \| Funded Plan \| Total equity securities
Fair value measurements of pension plan assets:
Total	379,419	506,389
Employee pension plan \| Qualified Plan \| Funded Plan \| Total equity securities \| Level 1 Fair Value
Fair value measurements of pension plan assets:
Total	315,637	139,688
Employee pension plan \| Qualified Plan \| Funded Plan \| Total equity securities \| Level 2 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Total equity securities \| Level 3 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Total equity securities \| Net Asset Value (NAV)
Fair value measurements of pension plan assets:
Total	63,782	366,701
Employee pension plan \| Qualified Plan \| Funded Plan \| U.S. equity securities
Fair value measurements of pension plan assets:
Total	219,410	305,440
Employee pension plan \| Qualified Plan \| Funded Plan \| U.S. equity securities \| Level 1 Fair Value
Fair value measurements of pension plan assets:
Total	204,838	0
Employee pension plan \| Qualified Plan \| Funded Plan \| U.S. equity securities \| Level 2 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| U.S. equity securities \| Level 3 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| U.S. equity securities \| Net Asset Value (NAV)
Fair value measurements of pension plan assets:
Total	14,572	305,440
Employee pension plan \| Qualified Plan \| Funded Plan \| Non-U.S. equity securities
Fair value measurements of pension plan assets:
Total	160,009	200,949
Employee pension plan \| Qualified Plan \| Funded Plan \| Non-U.S. equity securities \| Level 1 Fair Value
Fair value measurements of pension plan assets:
Total	110,799	139,688
Employee pension plan \| Qualified Plan \| Funded Plan \| Non-U.S. equity securities \| Level 2 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Non-U.S. equity securities \| Level 3 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Non-U.S. equity securities \| Net Asset Value (NAV)
Fair value measurements of pension plan assets:
Total	49,210	61,261
Employee pension plan \| Qualified Plan \| Funded Plan \| Debt securities
Fair value measurements of pension plan assets:
Total	439,004	620,337
Employee pension plan \| Qualified Plan \| Funded Plan \| Debt securities \| Level 1 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Debt securities \| Level 2 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Debt securities \| Level 3 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Debt securities \| Net Asset Value (NAV)
Fair value measurements of pension plan assets:
Total	439,004	620,337
Employee pension plan \| Qualified Plan \| Funded Plan \| Other
Fair value measurements of pension plan assets:
Total	11,443	13,517
Employee pension plan \| Qualified Plan \| Funded Plan \| Other \| Level 1 Fair Value
Fair value measurements of pension plan assets:
Total	11,443	13,517
Employee pension plan \| Qualified Plan \| Funded Plan \| Other \| Level 2 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Other \| Level 3 Fair Value
Fair value measurements of pension plan assets:
Total	0	0
Employee pension plan \| Qualified Plan \| Funded Plan \| Other \| Net Asset Value (NAV)
Fair value measurements of pension plan assets:
Total	$ 0	$ 0

Borrowing Arrangements - Bank Line of Credit (Details) - Revolving Line of Credit $ in Millions	Dec. 31, 2022 USD ($)
Bank line of credit
Maximum borrowing capacity under the bank revolving line of credit	$ 100.0
Maximum letter of credit sublimit under the bank revolving line of credit	25.0
Available borrowing capacity under the bank revolving line of credit, due to outstanding letters of credit	99.1
Outstanding amount of letters of credit sublimit under the bank revolving line of credit	0.9
Available amount of letters of credit sublimit under the bank revolving line of credit	24.1
Security owned and pledged as collateral, associated liabilities, fair value	$ 114.6

Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated other comprehensive income (loss), before tax
Amortization of prior service costs	$ 1,443	$ 1,428
Amortization of net actuarial loss	7,320	16,106
Accumulated other comprehensive income (loss), net of tax
AOCI (loss), beginning of year	(25,288)
Investment securities, OCI (loss)	(58,692)	(17,112)	$ 18,738
Pension and other postretirement plans, OCI	76,566	69,967	19,987
OCI	17,874	52,855	38,725
AOCI (loss), end of year	(7,414)	(25,288)
Total
Accumulated other comprehensive income (loss), before tax
AOCI (loss), beginning of year	(32,012)	(98,916)	(147,936)
Investment securities, OCI (loss)	(74,293)	(21,662)	23,720
Pension and other postretirement plans, OCI	96,920	88,566	25,300
OCI	22,627	66,904	49,020
AOCI (loss), end of year	(9,385)	(32,012)	(98,916)
Accumulated other comprehensive income (loss), tax
AOCI (loss), beginning of year	(6,724)	(20,773)	(31,068)
Investment securities, OCI (loss)	(15,601)	(4,550)	4,982
Pension and other postretirement plans, OCI	20,354	18,599	5,313
OCI	4,753	14,049	10,295
AOCI (loss), end of year	(1,971)	(6,724)	(20,773)
Accumulated other comprehensive income (loss), net of tax
AOCI (loss), beginning of year	(25,288)	(78,143)	(116,868)
Investment securities, OCI (loss)	(58,692)	(17,112)	18,738
Pension and other postretirement plans, OCI	76,566	69,967	19,987
OCI	17,874	52,855	38,725
AOCI (loss), end of year	(7,414)	(25,288)	(78,143)
Investment securities:
Accumulated other comprehensive income (loss), before tax
AOCI (loss), beginning of year	7,722	29,384	5,664
OCI (loss) before reclassifications	(89,010)	(16,474)	22,074
Realized investment losses (gains)	14,050	(5,131)	(1,335)
Impairment losses (recoveries)	667	(57)	2,981
Investment securities, OCI (loss)	(74,293)	(21,662)	23,720
AOCI (loss), end of year	(66,571)	7,722	29,384
Accumulated other comprehensive income (loss), tax
AOCI (loss), beginning of year	1,621	6,171	1,189
OCI (loss) before reclassifications	(18,692)	(3,460)	4,636
Realized investment losses (gains)	2,951	(1,078)	(280)
Impairment losses (recoveries)	140	(12)	626
Investment securities, OCI (loss)	(15,601)	(4,550)	4,982
AOCI (loss), end of year	(13,980)	1,621	6,171
Accumulated other comprehensive income (loss), net of tax
AOCI (loss), beginning of year	6,101	23,213	4,475
OCI (loss) before reclassifications	(70,318)	(13,014)	17,438
Realized investment losses (gains)	11,099	(4,053)	(1,055)
Impairment losses (recoveries)	527	(45)	2,355
Investment securities, OCI (loss)	(58,692)	(17,112)	18,738
AOCI (loss), end of year	(52,591)	6,101	23,213
Pension and other postretirement plans:
Accumulated other comprehensive income (loss), before tax
AOCI (loss), beginning of year	(39,734)	(128,300)	(153,600)
OCI before reclassifications	88,148	71,032	11,832
Amortization of prior service costs	1,443	1,428	1,343
Amortization of net actuarial loss	7,329	16,106	12,125
Pension and other postretirement plans, OCI	96,920	88,566	25,300
AOCI (loss), end of year	57,186	(39,734)	(128,300)
Accumulated other comprehensive income (loss), tax
AOCI (loss), beginning of year	(8,345)	(26,944)	(32,257)
OCI before reclassifications	18,511	14,917	2,485
Amortization of prior service costs	303	300	282
Amortization of net actuarial loss	1,540	3,382	2,546
Pension and other postretirement plans, OCI	20,354	18,599	5,313
AOCI (loss), end of year	12,009	(8,345)	(26,944)
Accumulated other comprehensive income (loss), net of tax
AOCI (loss), beginning of year	(31,389)	(101,356)	(121,343)
OCI before reclassifications	69,637	56,115	9,347
Amortization of prior service costs	1,140	1,128	1,061
Amortization of net actuarial loss	5,789	12,724	9,579
Pension and other postretirement plans, OCI	76,566	69,967	19,987
AOCI (loss), end of year	$ 45,177	$ (31,389)	$ (101,356)

Postretirement Benefits - Funding Policy/Funded Status (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Postretirement benefits
Employer contributions during fiscal year	$ 25,764	$ 1,245
Net amount recognized in the Statements of Financial Position:
Funded status at end of year	(53,948)	(132,411)
Pension liabilities – due within one year	(2,724)	(2,028)
Pension liabilities – due after one year	(51,224)	(130,383)
Net amount recognized	$ (53,948)	$ (132,411)
Employee pension plan \| Qualified Plan \| Funded Plan
Postretirement benefits
Funding target (as a percentage of the funding target liability)	100.00%
Employer contributions during fiscal year	$ 25,000
Expected future employer contributions, 2023	$ 95,000

Borrowing Arrangements - Term Loan Credit Facility (Details) - Secured Debt - USD ($)		1 Months Ended
	Jan. 01, 2019	May 31, 2022	Dec. 31, 2016
Term loan credit facility
Amount of senior secured draw term loan credit facility			$ 100,000,000
Fixed interest rate of credit facility	4.35%
Repayment period of credit facility	28 years
Extinguishment of debt, amount		$ 93,200,000
Interest Expense
Term loan credit facility
Amortization of debt issuance costs		$ 200,000

Earnings Per Share (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares
Class A common stock
Income available to stockholders (Basic EPS:)
Allocated net income (numerator) \| $	$ 296,125	$ 295,421	$ 290,902
Weighted shares (denominator) (in shares) \| shares	46,188,916	46,188,806	46,188,659
Per- share amount (in dollars per share) \| $ / shares	$ 6.41	$ 6.40	$ 6.30
Dilutive effect of stock-based awards
Allocated net income (numerator) \| $	$ 0	$ 0	$ 0
Weighted shares (denominator) (in shares) \| shares	8,274	17,696	23,901
Assumed conversion of Class B shares
Allocated net income (numerator) \| $	$ 2,444	$ 2,439	$ 2,402
Weighted shares (denominator) (in shares) \| shares	6,100,800	6,100,800	6,100,800
Income available to stockholders on equivalent shares (Diluted EPS:)
Allocated net income (numerator) \| $	$ 298,569	$ 297,860	$ 293,304
Weighted shares (denominator) (in shares) \| shares	52,297,990	52,307,302	52,313,360
Per- share amount (in dollars per share) \| $ / shares	$ 5.71	$ 5.69	$ 5.61
Class B common stock
Reconciliation of the numerators and denominators used in the basic and diluted per-share computations
Ratio for converting shares of Class B common stock into shares of Class A common stock	2,400	2,400
Income available to stockholders (Basic EPS:)
Allocated net income (numerator) \| $	$ 2,444	$ 2,439	$ 2,402
Weighted shares (denominator) (in shares) \| shares	2,542	2,542	2,542
Per- share amount (in dollars per share) \| $ / shares	$ 962	$ 959	$ 945
Income available to stockholders on equivalent shares (Diluted EPS:)
Allocated net income (numerator) \| $	$ 2,444	$ 2,438	$ 2,401
Weighted shares (denominator) (in shares) \| shares	2,542	2,542	2,542
Per- share amount (in dollars per share) \| $ / shares	$ 962	$ 959	$ 945

Incentive and Deferred Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2022

Schedule of Deferred Executive Compensation Liability

The following table sets forth a reconciliation of beginning and ending balances of our deferred executive compensation liability as of December 31:


(in thousands)
	2022		2021		2020

Deferred executive compensation, beginning of the year	$	27,208	$	32,223	$	24,616
Annual incentive plan awards	6,305		6,768		5,619
Long-term incentive plan awards	3,417		3,471		12,381

Employer match and hypothetical earnings on deferred compensation	404		3,043		2,962
Total plan awards and earnings	10,126		13,282		20,962
Total plan awards paid	(10,413)		(16,647)		(10,121)
Compensation deferred	2,528		4,765		4,668
Distributions from the deferred compensation plans	(742)		(811)		(2,081)
Forfeitures (1)	—		(473)		(356)
Funding of rabbi trust for deferred stock compensation plan for outside directors	(1,221)		(1,113)		(1,493)
Funding of rabbi trust for incentive compensation deferral plan (2)	(1,726)		(4,018)		(3,972)
Deferred executive compensation, end of the year	$	25,760	$	27,208	$	32,223

(1) Forfeitures are the result of plan participants who separated from service and are recognized in the year they occur.

(2) In 2022, funding includes $0.5 million representing shares held back to satisfy tax withholding on rabbi trust distributions that reduced funding requirements for performance award deferrals.

Fair Value

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Fair Value

Financial instruments carried at fair value

Our available-for-sale and equity securities are recorded at fair value, which is the price that would be received to sell the asset in an orderly transaction between willing market participants as of the measurement date.

Valuation techniques used to derive the fair value of our available-for-sale and equity securities are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources. Unobservable inputs reflect our own assumptions regarding fair market value for these securities. Financial instruments are categorized based upon the following characteristics or inputs to the valuation techniques:

•Level 1 – Quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.

•Level 2 – Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly.

•Level 3 – Unobservable inputs for the asset or liability.

Estimates of fair values for our investment portfolio are obtained primarily from a nationally recognized pricing service. Our Level 1 securities are valued using an exchange traded price provided by the pricing service. Pricing service valuations for Level 2 securities include multiple verifiable, observable inputs including benchmark yields, reported trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data. Pricing service valuations for Level 3 securities are based upon proprietary models and are used when observable inputs are not available or in illiquid markets.

Although virtually all of our prices are obtained from third party sources, we also perform internal pricing reviews, including evaluating the methodology and inputs used to ensure that we determine the proper classification level of the financial instrument and reviewing securities with price changes that vary significantly from current market conditions or independent price sources. Price variances are investigated and corroborated by market data and transaction volumes. We have reviewed the pricing methodologies of our pricing service as well as other observable inputs and believe that the prices adequately consider market activity in determining fair value.

In limited circumstances we adjust the price received from the pricing service when, in our judgment, a better reflection of fair value is available based upon corroborating information and our knowledge and monitoring of market conditions such as a disparity in price of comparable securities and/or non-binding broker quotes. In other circumstances, certain securities are internally priced because prices are not provided by the pricing service.

When a price from the pricing service is not available, values are determined by obtaining broker/dealer quotes and/or market comparables. When available, we obtain multiple quotes for the same security. The ultimate value for these securities is determined based upon our best estimate of fair value using corroborating market information. As of December 31, 2022, nearly all of our available-for-sale and equity securities were priced using a third party pricing service.

The following tables present our fair value measurements on a recurring basis by asset class and level of input as of:



	December 31, 2022

(in thousands)	Total		Level 1		Level 2		Level 3

Available-for-sale securities:



Corporate debt securities	$	553,382	$	0	$	549,696	$	3,686
Collateralized debt obligations	102,537		0		102,537		0
Commercial mortgage-backed securities	66,054		0		55,144		10,910
Residential mortgage-backed securities	150,415		0		146,231		4,184
Other debt securities	22,273		0		22,273		0

Total available-for-sale securities	894,661		0		875,881		18,780
Equity securities:
Financial services sector	61,084		0		57,305		3,779
Utilities sector	5,708		0		5,708		0
Energy sector	3,576		0		3,576		0
Consumer sector	1,854		0		1,854		0
Communications sector	338		0		338		0

Total equity securities	72,560		0		68,781		3,779
Total	$	967,221	$	0	$	944,662	$	22,559



	December 31, 2021

(in thousands)	Total		Level 1		Level 2		Level 3

Available-for-sale securities:



Corporate debt securities	$	573,165	$	0	$	567,909	$	5,256
Collateralized debt obligations	115,462		0		115,462		0
Commercial mortgage-backed securities	89,324		0		73,596		15,728
Residential mortgage-backed securities	139,922		0		131,108		8,814
Other debt securities	23,920		0		23,920		0
U.S. Treasury	4,292		0		4,292		0
Total available-for-sale securities	946,085		0		916,287		29,798
Equity securities:
Financial services sector	71,722		1,624		68,015		2,083
Utilities sector	6,259		0		6,259		0
Energy sector	6,448		10		6,438		0
Consumer sector	3,314		0		3,314		0


Total equity securities	87,743		1,634		84,026		2,083
Total	$	1,033,828	$	1,634	$	1,000,313	$	31,881

We review the fair value hierarchy classifications each reporting period. Transfers between hierarchy levels may occur due to changes in available market observable inputs.

Level 3 Assets – 2022 Year-to-Date Change:



(in thousands)	Beginning balance at December 31, 2021		Included in earnings(1)		Included in other comprehensive income		Purchases		Sales		Transfers into Level 3(2)		Transfers out of Level 3(2)		Ending balance at December 31, 2022
Available-for-sale securities:



Corporate debt securities	$	5,256	$	2	$	(437)	$	6,290	$	(4,810)	$	9,689	$	(12,304)	$	3,686

Commercial mortgage-backed securities	15,728		(1,060)		(1,132)		0		(3,825)		11,494		(10,295)		10,910
Residential mortgage-backed securities	8,814		(693)		(1,951)		4,887		(10,229)		39,452		(36,096)		4,184

Total available-for-sale securities	29,798		(1,751)		(3,520)		11,177		(18,864)		60,635		(58,695)		18,780
Equity securities	2,083		(304)		0		2,000		0		0		0		3,779
Total Level 3 securities	$	31,881	$	(2,055)	$	(3,520)	$	13,177	$	(18,864)	$	60,635	$	(58,695)	$	22,559

Level 3 Assets – 2021 Year-to-Date Change:



(in thousands)	Beginning balance at December 31, 2020		Included in earnings(1)		Included in other comprehensive income		Purchases		Sales		Transfers into Level 3(2)		Transfers out of Level 3(2)		Ending balance at December 31, 2021
Available-for-sale securities:



Corporate debt securities	$	5,825	$	34	$	68	$	5,502	$	(2,681)	$	4,290	$	(7,782)	$	5,256
Collateralized debt obligations	0		0		0		750		0		0		(750)		0
Commercial mortgage-backed securities	19,462		(375)		(782)		3,073		(5,378)		11,933		(12,205)		15,728
Residential mortgage-backed securities	937		(5)		(69)		576		(2,229)		12,692		(3,088)		8,814
Other debt securities	0		0		0		2,588		(832)		0		(1,756)		0
Total available-for-sale securities	26,224		(346)		(783)		12,489		(11,120)		28,915		(25,581)		29,798
Equity securities	0		(5)		0		1,000		0		2,183		(1,095)		2,083
Total Level 3 securities	$	26,224	$	(351)	$	(783)	$	13,489	$	(11,120)	$	31,098	$	(26,676)	$	31,881

(1) These amounts are reported as net investment income and net realized and unrealized investment (losses) gains for each of the periods presented above.

(2) Transfers into and/or (out) of Level 3 are primarily attributable to the availability of market observable information and the re-evaluation of the observability of pricing inputs.

Financial instruments not carried at fair value

The following table presents the carrying values and fair values of financial instruments categorized as Level 3 in the fair value hierarchy that are recorded at carrying value as of:



	December 31, 2022				December 31, 2021
(in thousands)	Carrying Value		Fair Value		Carrying Value		Fair Value

Agent loans (1)	$	69,476	$	62,954	$	66,368	$	68,957
Long-term borrowings	—		—		94,070		103,981

(1)The discount rate used to calculate fair value at December 31, 2022 is reflective of an increase in the BB+ financial yield curve from December 31, 2021.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Postretirement Benefits - Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Actuarial assumptions used to determine benefit obligations:
Discount rate	5.67%	3.16%
Employee pension plan \| Qualified Plan \| Funded Plan
Actuarial assumptions used to determine benefit obligations:
Discount rate	5.67%	3.16%	2.96%	3.59%
Rate of compensation increase	3.21%	3.21%	3.21%	3.21%
Actuarial assumptions used to determine net periodic benefit cost:
Discount rate	3.16%	2.96%	3.59%
Expected return on assets	5.50%	5.50%	6.00%	6.00%
Rate of compensation increase	3.21%	3.21%	3.21%
Supplemental employee retirement plan (SERP) \| Nonqualified Plan \| Unfunded plan
Actuarial assumptions used to determine benefit obligations:
Rate of compensation increase	5.00%	5.00%	5.00%	5.00%
Pre-retirement discount rate	5.46%	3.11%	2.86%	3.59%
Post-retirement discount rate	5.46%	3.11%	2.86%	3.09%
Actuarial assumptions used to determine net periodic benefit cost:
Pre-retirement discount rate	3.11%	2.86%	3.59%
Post-retirement discount rate	3.11%	2.86%	3.09%
Rate of compensation increase	5.00%	5.00%	5.00%

Concentrations of Credit Risk (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2020
Concentration Risk [Line Items]
Receivables from Erie Insurance Exchange and its affiliates	$ 524.9	$ 479.1
Receivables from Erie Insurance Exchange, allowance for credit loss	$ 0.6	$ 0.5
Cumulative Effect, Period of Adoption, Adjustment \| Accounting Standards Update 2016-13
Concentration Risk [Line Items]
Receivables from Erie Insurance Exchange, allowance for credit loss			$ 0.6

Label

Element

Value

Accounting Standards Update [Extensible Enumeration]

us-gaap_AccountingStandardsUpdateExtensibleList

Accounting Standards Update 2016-13 [Member]

^[1]

[1]	The cumulative effect adjustment in 2020 is related to the implementation of credit loss allowance accounting guidance effective January 1, 2020. See Note 2, "Significant Accounting Policies."

- Definition

Indicates amendment to accounting standards.

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+ Details

Postretirement Benefits - Employee Savings Plan (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Employee savings plan
Employer matching contribution paid to the plan	$ 16.7	$ 16.1	$ 15.8
Class A common stock held by plan participants (in shares)	0.1	0.2
Erie Insurance Exchange (EIE)
Employee savings plan
Matching contributions reimbursed to Indemnity from the Exchange and its subsidiaries (as a percent)	59.00%
100% employer matching contribution
Employee savings plan
Percentage of employer matching contribution of employee contributions	100.00%
100% employer matching contribution \| Maximum
Employee savings plan
Percentage of eligible employee compensation, matched by employer	3.00%
50% employer matching contribution
Employee savings plan
Percentage of employer matching contribution of employee contributions	50.00%
50% employer matching contribution \| Maximum
Employee savings plan
Percentage of eligible employee compensation, matched by employer	5.00%
50% employer matching contribution \| Minimum
Employee savings plan
Percentage of eligible employee compensation, matched by employer	3.00%

Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue by Performance Obligation

The following table disaggregates revenue by our two performance obligations for the years ended December 31:


(in thousands)	2022		2021		2020
Management fee revenue - policy issuance and renewal services	$	2,087,846	$	1,913,166	$	1,841,794

Management fee revenue - administrative services	58,323		58,286		59,463
Administrative services reimbursement revenue	668,268		638,483		609,435
Total revenue from administrative services	$	726,591	$	696,769	$	668,898

Significant Accounting Policies - Recently Adopted Accounting Standards (Details) - USD ($)
$ in Thousands

Dec. 31, 2022

Dec. 31, 2021

Dec. 31, 2020

Mar. 31, 2020

Jan. 01, 2020

Dec. 31, 2019

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

Agent loans, allowance for credit loss

$ 1,000

Receivables from Erie Insurance Exchange, allowance for credit loss

600

500

Cumulative effect adjustment

1,448,408

1,342,478

$ 1,188,048

$ 1,133,253

Available-for-sales securities, allowance for credit loss

$ 200

$ 100

$ 600

Cumulative Effect, Period of Adoption, Adjustment

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

Cumulative effect adjustment

^[1]

(1,075)

Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

Agent loans, allowance for credit loss

$ 800

Receivables from Erie Insurance Exchange, allowance for credit loss

600

Cumulative effect adjustment

$ 1,100

Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment | Erie Insurance Exchange (EIE)

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

Receivables from Erie Insurance Exchange, allowance for credit loss

$ 600

[1]	The cumulative effect adjustment in 2020 is related to the implementation of credit loss allowance accounting guidance effective January 1, 2020. See Note 2, "Significant Accounting Policies."

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References + Details

- Definition

+ References

+ Details

Investments - Net Realized and Unrealized Investment (Losses) Gains (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity securities:
Net (losses) gains recognized during the period	$ (13,238)	$ (186)	$ 5,056
Net realized investment gains
Net realized and unrealized investment (losses) gains	(27,286)	4,946	6,392
Available-for-sale securities
Available-for-sale securities:
Gross realized gains	1,169	6,884	3,920
Gross realized losses	(15,219)	(1,753)	(2,585)
Net realized (losses) gains on available-for-sale securities	(14,050)	5,131	1,335
Equity securities
Equity securities:
Net (losses) gains recognized during the period	(13,238)	(186)	5,056
Miscellaneous
Net realized investment gains
Miscellaneous	$ 2	$ 1	$ 1

STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class A common stock
Dividends declared (in dollars per share)	$ 4.52	$ 4.215	$ 5.93
Class B common stock
Dividends declared (in dollars per share)	$ 678.00	$ 632.25	$ 889.50

Postretirement Benefits - Estimated Future Benefit Payments (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Benefits expected to be paid over the next 10 years from pension plans:
2023	$ 33,827
2024	36,175
2025	39,205
2026	41,731
2027	44,904
2028 - 2032	$ 276,456

Significant Accounting Policies (Policies)	12 Months Ended
Significant Accounting Policies (Policies)	Dec. 31, 2022
Accounting Policies [Abstract]
Basis of presentation	Basis of presentation The accompanying financial statements have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP").
Use of estimates	Use of estimates The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
Recently adopted accounting standards	Recently adopted accounting standards We adopted Accounting Standards Update ("ASU") 2016-13, "Financial Instruments-Credit Losses" which applies to our receivable from Erie Insurance Exchange and affiliates, agent loans, and investments, on January 1, 2020. The guidance requires financial assets measured at amortized cost to be presented at the net amount expected to be collected through the use of a new forward-looking current expected credit loss model and credit losses relating to available-for-sale debt securities to be recognized through an allowance for credit losses. For assets measured at amortized cost for which a current expected credit loss allowance was required, we adopted the guidance using the modified-retrospective approach. At January 1, 2020, we recorded current expected credit loss allowances related to agent loans of $0.8 million and receivables from Erie Insurance Exchange and affiliates of $0.6 million. This resulted in the recording of a cumulative effect adjustment, net of taxes, to retained earnings of $1.1 million. Our available-for-sale investments are not measured at amortized cost, and therefore do not require the use of a current expected credit loss model. Any credit losses, however, are required to be recorded as an allowance for credit losses rather than a reduction of the carrying value of the asset. For available-for-sale securities, we adopted the guidance using the prospective approach and recorded an initial allowance for credit losses of $0.6 million at March 31, 2020.
Cash and cash equivalents	Cash and cash equivalents – Cash, money market accounts and other short-term, highly liquid investments with a maturity of three months or less at the date of purchase, are considered cash and cash equivalents.
Investments	Investments Available-for-sale securities – Fixed maturity debt securities and redeemable preferred stock are classified as available-for-sale and reported at fair value with unrealized investment gains and losses, net of income taxes, recognized in other comprehensive income. Available-for-sale securities with a remaining maturity of 12 months or less and any security that we intend to sell as of the reporting date are classified as current assets. Available-for-sale securities in an unrealized loss position are evaluated to determine whether the impairment is a result of credit loss or other factors. If we have the intent to sell or it's more likely than not that we would be required to sell the security before recovery of the amortized cost basis, the entire impairment is recognized in earnings. Securities that have experienced a decline in fair value that we do not intend to sell, and that we will not be required to sell before recovery, are evaluated to determine if the decline in fair value is credit related. Impairment resulting from a credit loss is recognized in earnings with a corresponding allowance on the balance sheet. Future recoveries of credit loss result in an adjustment to the allowance and earnings in the period the credit conditions improve. Factors considered in the evaluation of credit loss include the extent to which fair value is less than cost and fundamental factors specific to the issuer such as financial condition, changes in credit ratings, near and long-term business prospects and other factors, as well as the likelihood of recovery of the amortized cost of the security. If the qualitative review indicates credit impairment, the allowance for credit loss is measured as the amount that the security’s amortized cost exceeds the present value of cash flows expected to be collected and is limited to the amount that fair value is below amortized cost. Equity securities – Equity securities primarily include non-redeemable preferred stocks and are reported at fair value with changes in fair value recognized in net realized and unrealized investment gains (losses). Securities that we intend to sell as of the reporting date are classified as current assets. Realized gains and losses and investment income – Realized gains and losses on sales of available-for-sale and equity securities are recognized in income based upon the specific identification method and reported in net realized and unrealized investment gains (losses). Interest income is recognized as earned and includes amortization of premium and accretion of discount. Income is recognized based on the constant effective yield method, which includes periodically updated prepayment assumptions obtained from third party data sources on our prepaying securities. The effective yield for prepaying securities is recalculated on a retrospective basis. Dividend income is recognized at the ex-dividend date. Interest and dividend income and the results of our limited partnership investments are reported as net investment income. We do not record an allowance for credit losses on accrued investment income as any amount deemed uncollectible is reversed from interest income in the period the expected payment defaults.
Deferred taxes	Deferred taxes Deferred tax assets and liabilities are recorded for temporary differences between the tax basis of assets and liabilities and the reported amounts in the financial statements, using the statutory tax rates in effect for the year in which the differences are expected to settle or be realized. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date under the law. The need for valuation allowances on deferred tax assets are estimated based upon our assessment of the realizability of such amounts.
Fixed assets	Fixed assets Fixed assets are stated at cost less accumulated depreciation and amortization. Fixed assets are primarily comprised of software, which includes internally used capitalized software and development costs, as well as building and building improvements, equipment, furniture and fixtures, and leasehold improvements. Assets in use are depreciated using the straight-line method over the estimated useful life except for leasehold improvements, which are depreciated over the shorter of their economic useful life or the lease term. Software is depreciated over periods ranging from 3-7 years, buildings and building improvements are depreciated over 20-45 years, equipment is depreciated over 3-10 years, and furniture and fixtures are depreciated over 7 years. We review long-lived assets for impairment whenever events or changes indicate that the carrying value may not be recoverable. Under these circumstances, if the fair value were less than the carrying amount of the asset, we would recognize a loss for the difference. We capitalize applicable interest charges incurred during the construction period of significant long-term building projects as part of the historical cost of the asset.
Agent loans	Agent loans Agent loans, the majority of which are senior secured, are carried at unpaid principal balance net of a current expected credit loss allowance with interest recorded in investment income as earned. The allowance is estimated using available loss history and/or external loss rates based on comparable loan losses and considers current market conditions and forecasted information. Changes to the allowance are recognized in earnings as adjustments to net impairment recoveries (losses). The current portion of agent loans is recorded in prepaid expenses and other current assets.
Other assets	Other assets Other assets primarily include limited partnership investments which are recorded using the equity method of accounting. Other assets also include operating lease assets and other long-term prepaid assets.
Agent bonus liability	Agent bonus liability Our more significant agent bonus plan is based upon an individual agency's property and casualty underwriting profitability and also includes a component for growth in agency property and casualty premiums if the agency's underwriting profitability targets for the book of business are met. The estimated liability for this agent bonus plan is based upon the performance over 36 months, and is modeled on a monthly basis using actual underwriting results for the two prior years and current year-to-date actual results and forecasted results for the remainder of the year. Our second agent bonus plan is based on an agency's one-year underwriting profitability and uses a similar model but considers actual and forecasted results for a calendar year only. At December 31 of each year, we use actual data available and record an accrual based upon the expected payment amount. These costs are included in cost of operations - policy issuance and renewal services.
Recognition of management fee revenue and Recognition of service agreement revenue	Recognition of management fee revenue We earn management fees from the Exchange under the subscriber’s agreement for services provided. Pursuant to the subscriber’s agreement, we may retain up to 25% of all direct and affiliated assumed premiums written by the Exchange. The management fee rate is set at least annually by our Board of Directors. The management fee revenue is calculated by multiplying the management fee rate by the direct and affiliated assumed premiums written by the Exchange and is allocated between the two performance obligations we have under the subscriber's agreement. The first performance obligation is to provide policy issuance and renewal services. The second performance obligation is acting as the attorney-in-fact with respect to the administrative services. Management fee revenue allocated to the policy issuance and renewal services is recognized at the time of policy issuance or renewal, because it is at the time of policy issuance or renewal when the economic benefit of the service we provide (the substantially completed policy issuance or renewal service) and the control of the promised asset (the executed insurance policy) transfers to the customer. Management fee revenue allocated to the second performance obligation relates to us acting as the attorney-in-fact on behalf of the Exchange, as well as the service provider for its insurance subsidiaries, with respect to the administrative services and is recognized over a four-year period representing the time over which the economic benefit of the services provided (i.e. management of the administrative services) transfers to the customer. Recognition of service agreement revenue Service agreement revenue primarily consists of service charges we collect from policyholders for providing multiple payment plans on policies written by the Exchange and its property and casualty subsidiaries. Service charges, which are flat dollar charges for each installment billed beyond the first installment, are recognized as revenue when bills are rendered to the policyholder. Service agreement revenue also includes late payment and policy reinstatement fees, which are also recognized as revenue when bills are rendered to the policyholder. We also have a service agreement with the Exchange for the use of shared office space. Revenue related to this agreement is recognized at the time the space is used based on relevant utilization statistics.
Administrative services	Administrative services By virtue of its legal structure as a reciprocal insurer, the Exchange does not have any employees or officers. Therefore, it enters into contractual relationships by and through an attorney-in-fact. Indemnity serves as the attorney-in-fact on behalf of the Exchange with respect to its administrative services in accordance with the subscriber's agreement. The Exchange's insurance subsidiaries also utilize Indemnity for these services in accordance with the service agreements between each of the subsidiaries and Indemnity. Claims handling services include costs incurred in the claims process, including the adjustment, investigation, defense, recording and payment functions. Life insurance management services include costs incurred in the management and processing of life insurance business. Investment management services are related to investment trading activity, accounting and all other functions attributable to the investment of funds. Common overhead expenses and certain service department costs incurred by us on behalf of the Exchange and its insurance subsidiaries are reimbursed by the proper entity based upon relevant utilization statistics specifically measured to accomplish proportional allocations, which we believe are reasonable. In 2022, approximately 71% of the administrative services expenses are entirely attributable to the respective administrative functions (claims handling, life insurance management and investment management), while the remaining 29% of these expenses are allocations of costs for departments that support these administrative functions. The expenses we incur and related reimbursements we receive for administrative services are presented gross in our Statements of Operations. The subscriber's agreement and service agreements provide for reimbursement of amounts incurred for these services to Indemnity. Reimbursements are settled at cost on a monthly basis. State insurance regulations require that intercompany service agreements and any material amendments be approved in advance by the state insurance department.
Earnings per share	Class A and Class B basic earnings per share and Class B diluted earnings per share are calculated under the two-class method. The two-class method allocates earnings to each class of stock based upon its dividend rights. Class B shares are convertible into Class A shares at a conversion ratio of 2,400 to 1. See Note 12, "Capital Stock". Class A diluted earnings per share are calculated under the if-converted method, which reflects the conversion of Class B shares to Class A shares. Diluted earnings per share calculations include the dilutive effect of assumed issuance of stock-based awards under compensation plans that have the option to be paid in stock using the treasury stock method. See Note 10, "Incentive and Deferred Compensation Plans".
Financial instruments carried at fair value	Financial instruments carried at fair value Our available-for-sale and equity securities are recorded at fair value, which is the price that would be received to sell the asset in an orderly transaction between willing market participants as of the measurement date. Valuation techniques used to derive the fair value of our available-for-sale and equity securities are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources. Unobservable inputs reflect our own assumptions regarding fair market value for these securities. Financial instruments are categorized based upon the following characteristics or inputs to the valuation techniques: •Level 1 – Quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity can access at the measurement date. •Level 2 – Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. •Level 3 – Unobservable inputs for the asset or liability. Estimates of fair values for our investment portfolio are obtained primarily from a nationally recognized pricing service. Our Level 1 securities are valued using an exchange traded price provided by the pricing service. Pricing service valuations for Level 2 securities include multiple verifiable, observable inputs including benchmark yields, reported trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data. Pricing service valuations for Level 3 securities are based upon proprietary models and are used when observable inputs are not available or in illiquid markets. Although virtually all of our prices are obtained from third party sources, we also perform internal pricing reviews, including evaluating the methodology and inputs used to ensure that we determine the proper classification level of the financial instrument and reviewing securities with price changes that vary significantly from current market conditions or independent price sources. Price variances are investigated and corroborated by market data and transaction volumes. We have reviewed the pricing methodologies of our pricing service as well as other observable inputs and believe that the prices adequately consider market activity in determining fair value. In limited circumstances we adjust the price received from the pricing service when, in our judgment, a better reflection of fair value is available based upon corroborating information and our knowledge and monitoring of market conditions such as a disparity in price of comparable securities and/or non-binding broker quotes. In other circumstances, certain securities are internally priced because prices are not provided by the pricing service. When a price from the pricing service is not available, values are determined by obtaining broker/dealer quotes and/or market comparables. When available, we obtain multiple quotes for the same security. The ultimate value for these securities is determined based upon our best estimate of fair value using corroborating market information. As of December 31, 2022, nearly all of our available-for-sale and equity securities were priced using a third party pricing service.
Fair value of financial instruments, transfers between levels	We review the fair value hierarchy classifications each reporting period. Transfers between hierarchy levels may occur due to changes in available market observable inputs.
Commitments and contingencies	We are involved in litigation arising in the ordinary course of conducting business. In accordance with current accounting standards for loss contingencies and based upon information currently known to us, we establish reserves for litigation when it is probable that a loss associated with a claim or proceeding has been incurred and the amount of the loss or range of loss can be reasonably estimated. When no amount within the range of loss is a better estimate than any other amount, we accrue the minimum amount of the estimable loss. To the extent that such litigation against us may have an exposure to a loss in excess of the amount we have accrued, we believe that such excess would not be material to our financial condition, results of operations, or cash flows. Legal fees are expensed as incurred. We believe that our accruals for legal proceedings are appropriate and, individually and in the aggregate, are not expected to be material to our financial condition, results of operations, or cash flows. We review all litigation on an ongoing basis when making accrual and disclosure decisions. For certain legal proceedings, we cannot reasonably estimate losses or a range of loss, if any, particularly for proceedings that are in their early stages of development or where the plaintiffs seek indeterminate damages. Various factors, including, but not limited to, the outcome of potentially lengthy discovery and the resolution of important factual questions, may need to be determined before probability can be established or before a loss or range of loss can be reasonably estimated. If the loss contingency in question is not both probable and reasonably estimable, we do not establish an accrual and the matter will continue to be monitored for any developments that would make the loss contingency both probable and reasonably estimable. In the event that a legal proceeding results in a substantial judgment against, or settlement by, us, there can be no assurance that any resulting liability or financial commitment would not have a material adverse effect on our financial condition, results of operations, or cash flows.

Income Taxes - Narrative (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Deferred tax asset valuation allowance	$ 0	$ 0

Investments - Amortized Cost and Estimated Fair Value, Net of Credit Loss Allowance, of Available-For-Sale Securities by Contractual Maturity (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Amortized cost
Due in one year or less	$ 24,580
Due after one year through five years	427,919
Due after five years through ten years	198,287
Due after ten years	310,349
Amortized cost	961,135
Estimated fair value
Due in one year or less	24,089
Due after one year through five years	403,985
Due after five years through ten years	186,693
Due after ten years	279,894
Estimated fair value	$ 894,661

Investments (Tables)

12 Months Ended

Dec. 31, 2022

Investments [Abstract]

Schedule of Reconciliation of Cost to Fair Value, Net of Credit Loss Allowance, of Available-For-Sale Securities

The following tables summarize the cost and fair value, net of credit loss allowance, of our available-for-sale securities as of:



	December 31, 2022
(in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value



Corporate debt securities	$	588,536	$	657	$	35,811	$	553,382
Collateralized debt obligations	107,730		11		5,204		102,537
Commercial mortgage-backed securities	73,855		157		7,958		66,054
Residential mortgage-backed securities	166,412		72		16,069		150,415
Other debt securities	24,602		0		2,329		22,273

Total available-for-sale securities, net	$	961,135	$	897	$	67,371	$	894,661



	December 31, 2021
(in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value



Corporate debt securities	$	565,997	$	9,663	$	2,495	$	573,165
Collateralized debt obligations	115,344		456		338		115,462
Commercial mortgage-backed securities	88,636		1,465		777		89,324
Residential mortgage-backed securities	140,217		1,007		1,302		139,922
Other debt securities	23,859		197		136		23,920
U.S. Treasury	4,226		73		7		4,292
Total available-for-sale securities, net	$	938,279	$	12,861	$	5,055	$	946,085

Schedule of Amortized Cost and Estimated Fair Value, Net of Credit Loss Allowance, of Available-For-Sale Securities by Remaining Contractual Term to Maturity



	December 31, 2022
	Amortized		Estimated
(in thousands)	cost		fair value

Due in one year or less	$	24,580	$	24,089
Due after one year through five years	427,919		403,985
Due after five years through ten years	198,287		186,693
Due after ten years	310,349		279,894
Total available-for-sale securities, net (1)	$	961,135	$	894,661

Schedule of Available-For-Sale Securities in a Gross Unrealized Loss Position by Length of Time



	December 31, 2022
	Less than 12 months				12 months or longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized		No. of
(dollars in thousands)	value		losses		value		losses		value		losses		holdings


Corporate debt securities	$	397,511	$	21,371	$	121,094	$	14,440	$	518,605	$	35,811	916
Collateralized debt obligations	44,823		2,529		55,335		2,675		100,158		5,204		159
Commercial mortgage-backed securities	41,139		5,124		15,864		2,834		57,003		7,958		131
Residential mortgage-backed securities	109,499		9,131		31,465		6,938		140,964		16,069		161
Other debt securities	15,682		1,323		6,591		1,006		22,273		2,329		46

Total available-for-sale securities	$	608,654	$	39,478	$	230,349	$	27,893	$	839,003	$	67,371	1,413
Quality breakdown of available-for-sale securities:
Investment grade	$	525,805	$	31,904	$	215,742	$	25,205	$	741,547	$	57,109	761
Non-investment grade	82,849		7,574		14,607		2,688		97,456		10,262		652
Total available-for-sale securities	$	608,654	$	39,478	$	230,349	$	27,893	$	839,003	$	67,371	1,413



	December 31, 2021
	Less than 12 months				12 months or longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized		No. of
(dollars in thousands)	value		losses		value		losses		value		losses		holdings


Corporate debt securities	$	179,281	$	1,912	$	12,494	$	583	$	191,775	$	2,495	441
Collateralized debt obligations	64,270		278		9,370		60		73,640		338		104
Commercial mortgage-backed securities	28,001		595		917		182		28,918		777		61
Residential mortgage-backed securities	89,460		1,278		441		24		89,901		1,302		98
Other debt securities	14,576		136		0		0		14,576		136		24
U.S. Treasury	388		7		0		0		388		7		1
Total available-for-sale securities	$	375,976	$	4,206	$	23,222	$	849	$	399,198	$	5,055	729
Quality breakdown of available-for-sale securities:
Investment grade	$	330,697	$	3,801	$	17,112	$	434	$	347,809	$	4,235	366
Non-investment grade	45,279		405		6,110		415		51,389		820		363
Total available-for-sale securities	$	375,976	$	4,206	$	23,222	$	849	$	399,198	$	5,055	729

Schedule of Investment Income (Loss), Net of Expenses, from Portfolios

Investment income (loss), net of expenses, was generated from the following portfolios for the years ended December 31:




(in thousands)	2022		2021		2020

Available-for-sale securities	$	31,913	$	23,795	$	22,631
Equity securities	3,904		4,321		4,147
Limited partnerships	(10,446)		31,701		(602)
Cash equivalents and other	4,510		3,609		5,038
Total investment income	29,881		63,426		31,214
Less: investment expenses	1,296		1,249		1,461
Net investment income	$	28,585	$	62,177	$	29,753

Schedule of Realized and Unrealized Gains and Losses on Investments and Net Unrealized Gains and Losses Recognized during the Reporting Period Related to Equity Securities Held at the Reporting Date

Realized and unrealized (losses) gains on investments were as follows for the years ended December 31:




(in thousands)	2022		2021		2020
Available-for-sale securities:

Gross realized gains	$	1,169	$	6,884	$	3,920
Gross realized losses	(15,219)		(1,753)		(2,585)
Net realized (losses) gains on available-for-sale securities	(14,050)		5,131		1,335



Equity securities	(13,238)		(186)		5,056









Miscellaneous	2		1		1




Net realized and unrealized investment (losses) gains	$	(27,286)	$	4,946	$	6,392

The portion of net unrealized (losses) gains recognized during the reporting period related to equity securities held at the reporting date is calculated as follows for the years ended December 31:



(in thousands)	2022		2021		2020
Equity securities:
Net (losses) gains recognized during the period	$	(13,238)	$	(186)	$	5,056
Less: net losses recognized on securities sold	(1,866)		(76)		(469)
Net unrealized (losses) gains recognized on securities held at reporting date	$	(11,372)	$	(110)	$	5,525

Schedule of Impairments on Available-For-Sale Securities and Agent Loans

Impairments on available-for-sale securities and agent loans were as follows for the years ended December 31:



(in thousands)	2022		2021		2020
Available-for-sale securities:
Intent to sell	$	(167)	$	(10)	$	(2,274)
Credit (impaired) recovered	(500)		67		(707)
Total available-for-sale securities	(667)		57		(2,981)

Agent loans - expected credit recoveries (losses)	0		152		(297)
Net impairment (losses) recoveries recognized in earnings	$	(667)	$	209	$	(3,278)

Postretirement Benefits - Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Amounts recognized in other comprehensive income for pension plans:
Net actuarial gain arising during the year	$ (89,768)	$ (75,091)
Amortization of net actuarial loss	(7,320)	(16,106)
Amortization of prior service cost	(1,443)	(1,428)
Plan amendments	1,620	4,059
Total recognized in other comprehensive income	$ (96,911)	$ (88,566)

Incentive and Deferred Compensation Plans

12 Months Ended

Dec. 31, 2022

Incentive and Deferred Compensation Plans

We have two incentive plans and two deferred compensation plans for our executives, senior vice presidents and other selected officers, and two deferred compensation plans for our outside directors.

Annual incentive plan

Our annual incentive plan ("AIP") is a bonus plan that pays cash to our executives, senior vice presidents and other selected officers annually. Participants can elect to defer up to 100% of the award under either the deferred compensation plan or the incentive compensation deferral plan. If the funding qualifier is met, plan participants are eligible to receive the incentive based upon attainment of corporate and individual performance measures, which can include various financial measures. The measures are established at the beginning of each year by the Executive Compensation and Development Committee of our Board of Directors ("ECDC"), with ultimate approval by the full Board of Directors. The corporate performance measures included the reported growth in direct written premium and statutory combined ratio of the Exchange and its property and casualty subsidiaries for all periods presented. For 2022 and 2021, growth in policies in force was also included as a performance measure.

Long-term incentive plan

Our long-term incentive plan ("LTIP") is a performance based incentive plan designed to reward executives, senior vice presidents and other selected officers who can have a significant impact on our long-term performance, and to further align the interests of such employees with those of our shareholders. The LTIP permits grants of performance shares or units, or phantom shares, to be satisfied with shares of our Class A common stock or cash payment as determined by the ECDC. Participants can elect to defer up to 100% of the award under the incentive compensation deferral plan. The ECDC determines the form of the award to be granted at the beginning of each performance period, which is generally a three-year period. The number of shares of our common stock authorized for grant under the LTIP is 1.5 million shares, with no one person able to receive more than 250,000 shares or the equivalent of $5 million during any one performance period. We repurchase our Class A common stock on the open market to settle stock awards under the plan. We do not issue new shares of common stock to settle stock awards. LTIP awards are considered vested at the end of each applicable performance period.

The LTIP provides the recipient the right to earn performance shares or units, or phantom stock, based on the level of achievement of performance goals as defined by us. Performance measures and a peer group of property and casualty companies to be used for comparison are determined by the ECDC. The performance measures for all periods presented were the reported growth in direct written premium and statutory combined ratio of the Exchange and its property and casualty subsidiaries and return on invested assets over a three-year performance period as compared to the results of the peer group over the same period. Because the award is based upon a comparison to results of a peer group over a three-year period, the award accrual is based upon estimates of probable results for the remaining performance period. This estimate is subject to variability if our results or the results of the peer group are substantially different than the results we project.

The fair value of LTIP awards is measured at each reporting date at the current share price of our Class A common stock. A liability is recorded and compensation expense is recognized ratably over the performance period.

At December 31, 2022, the plan awards for the 2020-2022 performance period, which will be granted as a cash award, were fully vested. Distributions will be made in 2023 once peer group financial information becomes available. The total estimated plan award based upon the peer group information as of September 30, 2022 is $5.4 million. At December 31, 2021, the fully vested cash awards for the 2019-2021 performance period that were not deferred totaled $3.8 million and were paid to participants in June 2022. At December 31, 2020, the fully vested cash awards for the 2018-2020 performance period that were not deferred totaled $10.9 million and were paid to participants in June 2021. At December 31, 2019, the fully vested cash awards for the 2017-2019 performance period that were not deferred totaled $7.4 million and were paid to participants in June 2020. The ECDC has determined that the plan awards for the 2021-2023 and 2022-2024 performance periods will be paid in cash.

The Exchange and its subsidiaries reimburse us for compensation costs of employees performing administrative services. Earned compensation costs are allocated to these entities and reimbursed to us in cash once the payout is made. The total compensation cost charged to operations related to these LTIP awards, net of forfeitures, was $3.4 million in 2022, $3.0 million in 2021, and $12.0 million in 2020. The related tax benefits recognized in income were $0.7 million in 2022, $0.6 million in 2021, and $2.5 million in 2020. The Exchange and its subsidiaries reimburse us for approximately 41% of the annual compensation cost of these plans. At December 31, 2022, there was $5.9 million of total unrecognized compensation cost for non-vested LTIP awards related to open performance periods. Unrecognized compensation is expected to be recognized over a period of two years.

Deferred compensation plan

Our deferred compensation plan allows executives, senior vice presidents and other selected officers to elect to defer receipt of a portion of their compensation and AIP cash awards until a later date. Employer 401(k) matching contributions that are in excess of the annual contribution or compensation limits are also credited to the participant accounts for those who elected to defer receipt of some portion of their base salary. Participants select hypothetical investment funds for their deferrals, which are credited with the hypothetical returns generated.

Incentive compensation deferral plan

We have an unfunded, non-qualified incentive compensation deferral plan for participants of the AIP and LTIP. Participants can elect to defer up to 100% of their annual AIP award and/or up to 100% of their LTIP award for each performance period. Deferred awards will be credited to a deferred stock account as credits denominated in shares of our Class A common stock until retirement or other separation from service. Participants are 100% vested at date of deferral. The shares are held in a rabbi trust, which was established to hold the shares earned under both the incentive compensation deferral plan and the deferred stock compensation plan for outside directors. The rabbi trust is classified and accounted for as equity in a manner consistent with the accounting for treasury stock. Dividends received on the shares in the rabbi trust are used to purchase additional shares. Vested share credits will be paid to participants from the rabbi trust upon separation from service in approximate equal annual installments of Class A shares for a period of three years. In 2022, the rabbi trust purchased 2,879 shares of our common stock in the open market at an average price of $173.52 for $0.5 million to satisfy the liability for the 2021 AIP awards and 4,167 shares at an average price of $178.45 for $0.7 million to satisfy the liability for the 2019-2021 LTIP performance period awards deferred under the incentive compensation deferral plan. In 2021, the rabbi trust purchased 2,570 shares of our common stock in the open market at an average price of $232.81 for $0.6 million to satisfy the liability for the 2020 AIP awards and 17,881 shares at an average share price of $191.25 for $3.4 million to satisfy the liability for the 2018-2020 LTIP performance period awards deferred under the incentive compensation deferral plan. In 2020, the rabbi trust purchased 3,934 shares of our common stock in the open market at an average price of $155.92 for $0.6 million to satisfy the liability for the 2019 AIP awards deferred under the incentive compensation deferral plan and 18,126 shares at an average price of $185.31 for $3.4 million to satisfy the liability for the 2017-2019 LTIP performance period awards deferred under the incentive compensation deferral plan.

Deferred compensation plans for outside directors

We have a deferred compensation plan for our outside directors that allows participants to defer receipt of a portion of their annual compensation until a later date. Participants select hypothetical investment funds for their deferrals, which are credited with the hypothetical returns generated.

We also have a deferred stock compensation plan for our outside directors to further align the interests of directors with those of our shareholders that provides for a portion of the directors' annual compensation in shares of our Class A common stock. Each director vests in the grant 25% every three months over the course of a year. Dividends paid by us are credited to each director's account and vest immediately. We do not issue new shares of common stock to directors. Our practice is to repurchase shares of our Class A common stock in the open market to satisfy these awards, which are held in the rabbi trust.

The rabbi trust purchased 6,048 shares of our common stock on the open market at an average price of $201.93 for $1.2 million in 2022, 5,238 shares at an average price of $212.41 for $1.1 million in 2021, and 7,401 shares at an average price of $201.78 for $1.5 million in 2020 to satisfy the liability of the stock compensation plan for outside directors. The shares are distributed to the outside director from the rabbi trust upon ending board service. Director compensation charged to operations related to these awards totaled $0.8 million in both 2022 and 2021, and $0.9 million in 2020.

The following table sets forth a reconciliation of beginning and ending balances of our deferred executive compensation liability as of December 31:


(in thousands)
	2022		2021		2020

Deferred executive compensation, beginning of the year	$	27,208	$	32,223	$	24,616
Annual incentive plan awards	6,305		6,768		5,619
Long-term incentive plan awards	3,417		3,471		12,381

Employer match and hypothetical earnings on deferred compensation	404		3,043		2,962
Total plan awards and earnings	10,126		13,282		20,962
Total plan awards paid	(10,413)		(16,647)		(10,121)
Compensation deferred	2,528		4,765		4,668
Distributions from the deferred compensation plans	(742)		(811)		(2,081)
Forfeitures (1)	—		(473)		(356)
Funding of rabbi trust for deferred stock compensation plan for outside directors	(1,221)		(1,113)		(1,493)
Funding of rabbi trust for incentive compensation deferral plan (2)	(1,726)		(4,018)		(3,972)
Deferred executive compensation, end of the year	$	25,760	$	27,208	$	32,223

(1) Forfeitures are the result of plan participants who separated from service and are recognized in the year they occur.

(2) In 2022, funding includes $0.5 million representing shares held back to satisfy tax withholding on rabbi trust distributions that reduced funding requirements for performance award deferrals.

Equity compensation plan

We also have an equity compensation plan ("ECP") designed to reward key employees, as determined by the ECDC or the chief executive officer, who can have a significant impact on our long-term performance, and to further align the interests of such employees with those of our shareholders. The ECP permits grants of restricted shares, restricted share units and other share based awards, to be satisfied with shares of our Class A common stock or cash. The ECDC determines the form of the award to be granted at the beginning of each performance period. The number of shares of our Class A common stock authorized for grant under the ECP is 100,000 shares, with no one person able to receive more than 10,000 shares in a calendar year. We do not issue new shares of common stock to satisfy plan awards. Share awards are settled through the repurchase of our Class A common stock on the open market. Restricted share awards may be entitled to receive dividends payable during the performance period, or, if subject to performance goals, to receive dividend equivalents payable upon vesting. Dividend equivalents may provide for the crediting of interest or hypothetical investment experience, payable after expiration of the performance period. Vesting conditions are determined at the time the award is granted and may include continuation of employment for a specific period, satisfaction of performance goals and the defined performance period, and the satisfaction of any other terms and conditions as determined to be appropriate. The ECP expires December 31, 2031, unless earlier amended or terminated by our Board of Directors.

To date, all awards have been satisfied with shares of our Class A common stock. In 2022, we purchased 1,786 Class A shares with an average share price of $190.68 and a market value of $0.3 million to satisfy the liability for the 2019 plan year. In 2021, we purchased 978 Class A shares with an average share price of $242.01 and a market value of $0.2 million to satisfy the liability for the 2018 plan year. In 2020, we purchased 1,787 shares with an average share price of $165.82 and a market value of $0.3 million to satisfy the liability for the 2017 plan year. The total compensation charged to operations related to these ECP awards was $0.8 million in 2022, $0.2 million in 2021, and $0.7 million in 2020. The Exchange and its subsidiaries reimburse us for earned compensation costs of employees performing administrative services, which can fluctuate each year based on the plan participants. The Exchange and its subsidiaries reimbursed us for approximately 3%, 33%, and 59% of the awards paid in 2022, 2021, and 2020 respectively. Unearned compensation expense of $1.3 million is expected to be recognized over a period of three years.

Audit Information	12 Months Ended
Audit Information	Dec. 31, 2022
Auditor Information [Abstract]
Auditor Name	Ernst & Young LLP
Auditor Location	Cleveland, Ohio
Auditor Firm ID	42

Postretirement Benefits - Pension Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair value of plan assets:
Fair value of plan assets, beginning of year	$ 1,140,243	$ 1,081,061
Actual return on plan assets	(304,005)	86,966
Employer contributions	25,764	1,245
Benefits paid	(32,136)	(29,029)
Fair value of plan assets, end of year	$ 829,866	$ 1,140,243

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References + Details

- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References + Details

Income Taxes - Provision for Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of provision for income taxes
Current income tax expense	$ 68,415	$ 80,398	$ 80,373
Deferred income tax expense (benefit)	9,468	(1,854)	(5,162)
Income tax expense	$ 77,883	$ 78,544	$ 75,211

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details

Fair Value (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements on a Recurring Basis by Asset Class and Level of Input

The following tables present our fair value measurements on a recurring basis by asset class and level of input as of:



	December 31, 2022

(in thousands)	Total		Level 1		Level 2		Level 3

Available-for-sale securities:



Corporate debt securities	$	553,382	$	0	$	549,696	$	3,686
Collateralized debt obligations	102,537		0		102,537		0
Commercial mortgage-backed securities	66,054		0		55,144		10,910
Residential mortgage-backed securities	150,415		0		146,231		4,184
Other debt securities	22,273		0		22,273		0

Total available-for-sale securities	894,661		0		875,881		18,780
Equity securities:
Financial services sector	61,084		0		57,305		3,779
Utilities sector	5,708		0		5,708		0
Energy sector	3,576		0		3,576		0
Consumer sector	1,854		0		1,854		0
Communications sector	338		0		338		0

Total equity securities	72,560		0		68,781		3,779
Total	$	967,221	$	0	$	944,662	$	22,559



	December 31, 2021

(in thousands)	Total		Level 1		Level 2		Level 3

Available-for-sale securities:



Corporate debt securities	$	573,165	$	0	$	567,909	$	5,256
Collateralized debt obligations	115,462		0		115,462		0
Commercial mortgage-backed securities	89,324		0		73,596		15,728
Residential mortgage-backed securities	139,922		0		131,108		8,814
Other debt securities	23,920		0		23,920		0
U.S. Treasury	4,292		0		4,292		0
Total available-for-sale securities	946,085		0		916,287		29,798
Equity securities:
Financial services sector	71,722		1,624		68,015		2,083
Utilities sector	6,259		0		6,259		0
Energy sector	6,448		10		6,438		0
Consumer sector	3,314		0		3,314		0


Total equity securities	87,743		1,634		84,026		2,083
Total	$	1,033,828	$	1,634	$	1,000,313	$	31,881

Schedule of Roll Forward of Level 3 Fair Value Measurements on a Recurring Basis

Level 3 Assets – 2022 Year-to-Date Change:



(in thousands)	Beginning balance at December 31, 2021		Included in earnings(1)		Included in other comprehensive income		Purchases		Sales		Transfers into Level 3(2)		Transfers out of Level 3(2)		Ending balance at December 31, 2022
Available-for-sale securities:



Corporate debt securities	$	5,256	$	2	$	(437)	$	6,290	$	(4,810)	$	9,689	$	(12,304)	$	3,686

Commercial mortgage-backed securities	15,728		(1,060)		(1,132)		0		(3,825)		11,494		(10,295)		10,910
Residential mortgage-backed securities	8,814		(693)		(1,951)		4,887		(10,229)		39,452		(36,096)		4,184

Total available-for-sale securities	29,798		(1,751)		(3,520)		11,177		(18,864)		60,635		(58,695)		18,780
Equity securities	2,083		(304)		0		2,000		0		0		0		3,779
Total Level 3 securities	$	31,881	$	(2,055)	$	(3,520)	$	13,177	$	(18,864)	$	60,635	$	(58,695)	$	22,559

Level 3 Assets – 2021 Year-to-Date Change:



(in thousands)	Beginning balance at December 31, 2020		Included in earnings(1)		Included in other comprehensive income		Purchases		Sales		Transfers into Level 3(2)		Transfers out of Level 3(2)		Ending balance at December 31, 2021
Available-for-sale securities:



Corporate debt securities	$	5,825	$	34	$	68	$	5,502	$	(2,681)	$	4,290	$	(7,782)	$	5,256
Collateralized debt obligations	0		0		0		750		0		0		(750)		0
Commercial mortgage-backed securities	19,462		(375)		(782)		3,073		(5,378)		11,933		(12,205)		15,728
Residential mortgage-backed securities	937		(5)		(69)		576		(2,229)		12,692		(3,088)		8,814
Other debt securities	0		0		0		2,588		(832)		0		(1,756)		0
Total available-for-sale securities	26,224		(346)		(783)		12,489		(11,120)		28,915		(25,581)		29,798
Equity securities	0		(5)		0		1,000		0		2,183		(1,095)		2,083
Total Level 3 securities	$	26,224	$	(351)	$	(783)	$	13,489	$	(11,120)	$	31,098	$	(26,676)	$	31,881

(1) These amounts are reported as net investment income and net realized and unrealized investment (losses) gains for each of the periods presented above.

(2) Transfers into and/or (out) of Level 3 are primarily attributable to the availability of market observable information and the re-evaluation of the observability of pricing inputs.

Schedule of Financial Instruments Not Carried at Fair Value

The following table presents the carrying values and fair values of financial instruments categorized as Level 3 in the fair value hierarchy that are recorded at carrying value as of:



	December 31, 2022				December 31, 2021
(in thousands)	Carrying Value		Fair Value		Carrying Value		Fair Value

Agent loans (1)	$	69,476	$	62,954	$	66,368	$	68,957
Long-term borrowings	—		—		94,070		103,981

(1)The discount rate used to calculate fair value at December 31, 2022 is reflective of an increase in the BB+ financial yield curve from December 31, 2021.

Postretirement Benefits - Benefit Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Projected benefit obligation:
Projected benefit obligation, beginning of year	$ 1,272,654	$ 1,246,159
Service cost for benefits earned	50,242	53,041	$ 43,492
Interest cost on benefit obligation	39,764	36,824	37,578
Plan amendments	1,620	4,059
Actuarial gain	(448,330)	(38,400)
Benefits paid	(32,136)	(29,029)
Projected benefit obligation, end of year	883,814	1,272,654	$ 1,246,159
Accumulated benefit obligation, end of year	762,180	$ 1,037,820
Projected benefit obligations decrease	$ 388,800
Discount rate used to measure future benefit obligations (as a percent)	5.67%	3.16%

Investments - Cost and Fair Value, Net of Credit Loss Allowance, of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Available-for-sale securities
Amortized cost	$ 961,135
Estimated fair value	894,661
Corporate debt securities
Available-for-sale securities
Amortized cost	588,536	$ 565,997
Gross unrealized gains	657	9,663
Gross unrealized losses	35,811	2,495
Estimated fair value	553,382	573,165
Collateralized debt obligations
Available-for-sale securities
Amortized cost	107,730	115,344
Gross unrealized gains	11	456
Gross unrealized losses	5,204	338
Estimated fair value	102,537	115,462
Commercial mortgage-backed securities
Available-for-sale securities
Amortized cost	73,855	88,636
Gross unrealized gains	157	1,465
Gross unrealized losses	7,958	777
Estimated fair value	66,054	89,324
Residential mortgage-backed securities
Available-for-sale securities
Amortized cost	166,412	140,217
Gross unrealized gains	72	1,007
Gross unrealized losses	16,069	1,302
Estimated fair value	150,415	139,922
Other debt securities
Available-for-sale securities
Amortized cost	24,602	23,859
Gross unrealized gains	0	197
Gross unrealized losses	2,329	136
Estimated fair value	22,273	23,920
U.S. Treasury
Available-for-sale securities
Amortized cost		4,226
Gross unrealized gains		73
Gross unrealized losses		7
Estimated fair value		4,292
Available-for-sale securities
Available-for-sale securities
Amortized cost	961,135	938,279
Gross unrealized gains	897	12,861
Gross unrealized losses	67,371	5,055
Estimated fair value	$ 894,661	$ 946,085

Income Taxes

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Income Taxes

The provision for income taxes consists of the following for the years ended December 31:


(in thousands)
	2022		2021		2020

Current income tax expense	$	68,415	$	80,398	$	80,373
Deferred income tax expense (benefit)	9,468		(1,854)		(5,162)

Income tax expense	$	77,883	$	78,544	$	75,211

A reconciliation of the provision for income taxes, with amounts determined by applying the statutory federal income tax rate to pre-tax income, is as follows for the years ended December 31:


(in thousands)
	2022		2021		2020
Income tax at statutory rate	$	79,055	$	79,045	$	77,388



Other, net	(1,172)		(501)		(2,177)
Income tax expense	$	77,883	$	78,544	$	75,211

Temporary differences and carry-forwards, which give rise to deferred tax assets and liabilities, are as follows as of December 31:


(in thousands)
	2022		2021
Deferred tax assets:
Other employee benefits	$	16,358	$	15,273
Unrealized losses on investments	15,403		—
Deferred revenue	3,710		3,963
Allowance for management fee returned on cancelled policies	3,405		3,330


Pension and other postretirement benefits	—		21,545
Other	3,902		3,484
Total deferred tax assets	42,778		47,595
Deferred tax liabilities:
Depreciation	37,682		35,204
Pension and other postretirement benefits	15,473		—
Prepaid expenses	1,731		2,458
Unrealized gains on investments	—		8,713






Other	1,967		1,075
Total deferred tax liabilities	56,853		47,450
Net deferred tax (liability) asset	$	(14,075)	$	145

If we determine that any of our deferred tax assets will not result in future tax benefits, a valuation allowance must be established for the portion of the assets that are not expected to be realized. We had no valuation allowance recorded at December 31, 2022 or 2021.

We do not have any unrecognized tax benefit that, if recognized, would affect our effective tax rate as of December 31, 2022 and 2021. Any interest expense related to uncertain tax positions would be recognized in income tax expense.

Tax years ending December 31, 2021, 2020 and 2019 remain open to IRS examination. We are not currently under IRS audit, nor have we been notified of an upcoming IRS audit.

We are the attorney-in-fact for the subscribers (policyholders) at the Exchange, a reciprocal insurance exchange. In that capacity, we provide all services and facilities necessary to conduct the Exchange's insurance business. Indemnity and the Exchange together constitute a single insurance business. Consequently, we are not subject to state corporate income or franchise taxes in states where the Exchange conducts its business and the states collect premium tax in lieu of corporate income or franchise tax, as a result of the Exchange's remittance of premium taxes in those states.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 21
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 11.C)
-URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 17
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.5.Q1)
-URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 14
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI https://asc.fasb.org/topic&trid=2144680

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Revenue - Disaggregation of Revenues By Performance Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of revenue by performance obligation
Revenue	$ 2,840,124	$ 2,633,977	$ 2,536,489
Management fee revenue - policy issuance and renewal services
Disaggregation of revenue by performance obligation
Revenue	2,087,846	1,913,166	1,841,794
Management fee revenue - policy issuance and renewal services \| Transferred at point in time
Disaggregation of revenue by performance obligation
Revenue	2,087,846	1,913,166	1,841,794
Administrative services \| Transferred over time
Disaggregation of revenue by performance obligation
Revenue	726,591	696,769	668,898
Management fee revenue - administrative services
Disaggregation of revenue by performance obligation
Revenue	58,323	58,286	59,463
Management fee revenue - administrative services \| Transferred over time
Disaggregation of revenue by performance obligation
Revenue	58,323	58,286	59,463
Administrative services reimbursement revenue
Disaggregation of revenue by performance obligation
Revenue	668,268	638,483	609,435
Administrative services reimbursement revenue \| Transferred over time
Disaggregation of revenue by performance obligation
Revenue	$ 668,268	$ 638,483	$ 609,435

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 22
-Subparagraph (b)
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

Capital Stock - Stock Repurchases (Details) - Class A common stock - Stock repurchase program - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2011
Stock repurchases
Amount of authorized stock repurchases approved for continuation under the current program				$ 150.0
Shares repurchased under stock repurchase program (in shares)	0	0	0
Approximate amount of repurchase authority remaining under the current stock repurchase program	$ 17.8

Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events No items were identified in this period subsequent to the financial statement date that required adjustment or additional disclosure, other than the disclosure made in Note 6, "Investments" regarding limited partnerships.

STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 298,569	$ 297,860	$ 293,304
Other comprehensive income, net of tax
Change in unrealized holding (losses) gains on available-for-sale securities	(58,692)	(17,112)	18,738
Pension and other postretirement plans	76,566	69,967	19,987
Total other comprehensive income, net of tax	17,874	52,855	38,725
Comprehensive income	$ 316,443	$ 350,715	$ 332,029

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

Postretirement Benefits - Accumulated Other Comprehensive (Income) Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Amounts included in accumulated other comprehensive (income) loss
Net actuarial (gain) loss	$ (69,564)	$ 27,524
Prior service cost	12,378	12,201
Net amount not yet recognized	$ (57,186)	$ 39,725

Investments - Available-For-Sale Securities in a Gross Unrealized Loss Position by Length of Time (Details) $ in Thousands	Dec. 31, 2022 USD ($) holding	Dec. 31, 2021 USD ($) holding
Investment grade
Fair value
Less than 12 months	$ 525,805	$ 330,697
12 months or longer	215,742	17,112
Total	741,547	347,809
Unrealized losses
Less than 12 months	31,904	3,801
12 months or longer	25,205	434
Total	$ 57,109	$ 4,235
No. of holdings \| holding	761	366
Non-investment grade
Fair value
Less than 12 months	$ 82,849	$ 45,279
12 months or longer	14,607	6,110
Total	97,456	51,389
Unrealized losses
Less than 12 months	7,574	405
12 months or longer	2,688	415
Total	$ 10,262	$ 820
No. of holdings \| holding	652	363
Corporate debt securities
Fair value
Less than 12 months	$ 397,511	$ 179,281
12 months or longer	121,094	12,494
Total	518,605	191,775
Unrealized losses
Less than 12 months	21,371	1,912
12 months or longer	14,440	583
Total	$ 35,811	$ 2,495
No. of holdings \| holding	916	441
Collateralized debt obligations
Fair value
Less than 12 months	$ 44,823	$ 64,270
12 months or longer	55,335	9,370
Total	100,158	73,640
Unrealized losses
Less than 12 months	2,529	278
12 months or longer	2,675	60
Total	$ 5,204	$ 338
No. of holdings \| holding	159	104
Commercial mortgage-backed securities
Fair value
Less than 12 months	$ 41,139	$ 28,001
12 months or longer	15,864	917
Total	57,003	28,918
Unrealized losses
Less than 12 months	5,124	595
12 months or longer	2,834	182
Total	$ 7,958	$ 777
No. of holdings \| holding	131	61
Residential mortgage-backed securities
Fair value
Less than 12 months	$ 109,499	$ 89,460
12 months or longer	31,465	441
Total	140,964	89,901
Unrealized losses
Less than 12 months	9,131	1,278
12 months or longer	6,938	24
Total	$ 16,069	$ 1,302
No. of holdings \| holding	161	98
Other debt securities
Fair value
Less than 12 months	$ 15,682	$ 14,576
12 months or longer	6,591	0
Total	22,273	14,576
Unrealized losses
Less than 12 months	1,323	136
12 months or longer	1,006	0
Total	$ 2,329	$ 136
No. of holdings \| holding	46	24
U.S. Treasury
Fair value
Less than 12 months		$ 388
12 months or longer		0
Total		388
Unrealized losses
Less than 12 months		7
12 months or longer		0
Total		$ 7
No. of holdings \| holding		1
Available-for-sale securities
Fair value
Less than 12 months	$ 608,654	$ 375,976
12 months or longer	230,349	23,222
Total	839,003	399,198
Unrealized losses
Less than 12 months	39,478	4,206
12 months or longer	27,893	849
Total	$ 67,371	$ 5,055
No. of holdings \| holding	1,413	729

Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Dec. 31, 2022 obligation
Revenue, Performance Obligation [Abstract]
Management fee rate as a percent of direct and affiliated assumed written premiums of the Exchange	25.00%
Performance obligations under subscriber's agreement	2
Primary agent bonus
Agent bonus estimates
Period of prior year actual underwriting data used to estimate agent bonuses	2 years
Performance period for agent bonuses	36 months
Secondary agent bonus
Agent bonus estimates
Performance period for agent bonuses	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Period of time over which management fee revenue allocated to administrative services will be recognized	4 years
Software \| Minimum
Fixed assets
Estimated useful life	3 years
Software \| Maximum
Fixed assets
Estimated useful life	7 years
Buildings and building improvements \| Minimum
Fixed assets
Estimated useful life	20 years
Buildings and building improvements \| Maximum
Fixed assets
Estimated useful life	45 years
Equipment \| Minimum
Fixed assets
Estimated useful life	3 years
Equipment \| Maximum
Fixed assets
Estimated useful life	10 years
Furniture and fixtures
Fixed assets
Estimated useful life	7 years
Administrative services expenses \| Direct expense
Expense Classification [Line Items]
Percentage of administrative services expenses	71.00%
Administrative services expenses \| Allocated expense
Expense Classification [Line Items]
Percentage of administrative services expenses	29.00%

Investments - Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investment income (loss) from portfolios
Total investment income		$ 29,881	$ 63,426	$ 31,214
Less: investment expenses		1,296	1,249	1,461
Net investment income		28,585	62,177	29,753
Available-for-sale securities
Investment income (loss) from portfolios
Available-for-sale, equity securities, cash equivalents, and other		31,913	23,795	22,631
Equity securities
Investment income (loss) from portfolios
Available-for-sale, equity securities, cash equivalents, and other		3,904	4,321	4,147
Limited partnerships
Investment income (loss) from portfolios
Limited partnerships		(10,446)	31,701	(602)
Limited partnerships \| Forecast \| Private equity
Investment income (loss) from portfolios
Unrealized loss on limited partnership	$ 11,000
Cash equivalents and other
Investment income (loss) from portfolios
Available-for-sale, equity securities, cash equivalents, and other		$ 4,510	$ 3,609	$ 5,038

Fair Value - Fair Value Measurements on a Recurring Basis by Asset Class and Level of Input (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	$ 894,661
Available-for-sale securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	894,661	$ 946,085
Corporate debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	553,382	573,165
Collateralized debt obligations
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	102,537	115,462
Commercial mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	66,054	89,324
Residential mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	150,415	139,922
Other debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	22,273	23,920
U.S. Treasury
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities		4,292
Fair Value, Measurements, Recurring Basis
Fair value measurements on a recurring basis by asset class and level of input
Total	967,221	1,033,828
Fair Value, Measurements, Recurring Basis \| Available-for-sale securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	894,661	946,085
Fair Value, Measurements, Recurring Basis \| Corporate debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	553,382	573,165
Fair Value, Measurements, Recurring Basis \| Collateralized debt obligations
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	102,537	115,462
Fair Value, Measurements, Recurring Basis \| Commercial mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	66,054	89,324
Fair Value, Measurements, Recurring Basis \| Residential mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	150,415	139,922
Fair Value, Measurements, Recurring Basis \| Other debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	22,273	23,920
Fair Value, Measurements, Recurring Basis \| U.S. Treasury
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities		4,292
Fair Value, Measurements, Recurring Basis \| Equity securities
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	72,560	87,743
Fair Value, Measurements, Recurring Basis \| Equity securities \| Financial services sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	61,084	71,722
Fair Value, Measurements, Recurring Basis \| Equity securities \| Utilities sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	5,708	6,259
Fair Value, Measurements, Recurring Basis \| Equity securities \| Energy sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	3,576	6,448
Fair Value, Measurements, Recurring Basis \| Equity securities \| Consumer sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	1,854	3,314
Fair Value, Measurements, Recurring Basis \| Equity securities \| Communications sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	338
Fair Value, Measurements, Recurring Basis \| Level 1
Fair value measurements on a recurring basis by asset class and level of input
Total	0	1,634
Fair Value, Measurements, Recurring Basis \| Level 1 \| Available-for-sale securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Corporate debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Collateralized debt obligations
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Commercial mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Residential mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Other debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| U.S. Treasury
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities		0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Equity securities
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	1,634
Fair Value, Measurements, Recurring Basis \| Level 1 \| Equity securities \| Financial services sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	1,624
Fair Value, Measurements, Recurring Basis \| Level 1 \| Equity securities \| Utilities sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Equity securities \| Energy sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	10
Fair Value, Measurements, Recurring Basis \| Level 1 \| Equity securities \| Consumer sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 1 \| Equity securities \| Communications sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0
Fair Value, Measurements, Recurring Basis \| Level 2
Fair value measurements on a recurring basis by asset class and level of input
Total	944,662	1,000,313
Fair Value, Measurements, Recurring Basis \| Level 2 \| Available-for-sale securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	875,881	916,287
Fair Value, Measurements, Recurring Basis \| Level 2 \| Corporate debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	549,696	567,909
Fair Value, Measurements, Recurring Basis \| Level 2 \| Collateralized debt obligations
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	102,537	115,462
Fair Value, Measurements, Recurring Basis \| Level 2 \| Commercial mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	55,144	73,596
Fair Value, Measurements, Recurring Basis \| Level 2 \| Residential mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	146,231	131,108
Fair Value, Measurements, Recurring Basis \| Level 2 \| Other debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	22,273	23,920
Fair Value, Measurements, Recurring Basis \| Level 2 \| U.S. Treasury
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities		4,292
Fair Value, Measurements, Recurring Basis \| Level 2 \| Equity securities
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	68,781	84,026
Fair Value, Measurements, Recurring Basis \| Level 2 \| Equity securities \| Financial services sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	57,305	68,015
Fair Value, Measurements, Recurring Basis \| Level 2 \| Equity securities \| Utilities sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	5,708	6,259
Fair Value, Measurements, Recurring Basis \| Level 2 \| Equity securities \| Energy sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	3,576	6,438
Fair Value, Measurements, Recurring Basis \| Level 2 \| Equity securities \| Consumer sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	1,854	3,314
Fair Value, Measurements, Recurring Basis \| Level 2 \| Equity securities \| Communications sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	338
Fair Value, Measurements, Recurring Basis \| Level 3
Fair value measurements on a recurring basis by asset class and level of input
Total	22,559	31,881
Fair Value, Measurements, Recurring Basis \| Level 3 \| Available-for-sale securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	18,780	29,798
Fair Value, Measurements, Recurring Basis \| Level 3 \| Corporate debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	3,686	5,256
Fair Value, Measurements, Recurring Basis \| Level 3 \| Collateralized debt obligations
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 3 \| Commercial mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	10,910	15,728
Fair Value, Measurements, Recurring Basis \| Level 3 \| Residential mortgage-backed securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	4,184	8,814
Fair Value, Measurements, Recurring Basis \| Level 3 \| Other debt securities
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 3 \| U.S. Treasury
Fair value measurements on a recurring basis by asset class and level of input
Total available-for-sale securities		0
Fair Value, Measurements, Recurring Basis \| Level 3 \| Equity securities
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	3,779	2,083
Fair Value, Measurements, Recurring Basis \| Level 3 \| Equity securities \| Financial services sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	3,779	2,083
Fair Value, Measurements, Recurring Basis \| Level 3 \| Equity securities \| Utilities sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 3 \| Equity securities \| Energy sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	0
Fair Value, Measurements, Recurring Basis \| Level 3 \| Equity securities \| Consumer sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	0	$ 0
Fair Value, Measurements, Recurring Basis \| Level 3 \| Equity securities \| Communications sector
Fair value measurements on a recurring basis by asset class and level of input
Total equity securities	$ 0