Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Schedule of Pension Plan (Income) Cost

Pension plan (income) cost includes the following components for the three months ended March 31:

(in thousands)	2023		2022
Service cost for benefits earned	$	7,191	$	12,560
Interest cost on benefit obligation	12,548		9,941
Expected return on plan assets	(17,218)		(13,639)
Prior service cost amortization	362		361
Net actuarial (gain) loss amortization	(3,833)		1,830
Pension plan (income) cost (1)	$	(950)	$	11,053

(1)Pension plan (income) cost represents plan (income) cost before reimbursements between Indemnity and the Exchange and its subsidiaries. The components of pension plan (income) cost other than the service cost components are included in the line item "Other income" in the Statements of Operations, net of reimbursements between Indemnity and the Exchange and its subsidiaries.