Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of Pension Plan (Income) Cost

Pension plan (income) cost includes the following components:

	Three months ended June 30,				Six months ended June 30,
(in thousands)	2023		2022		2023		2022
Service cost for benefits earned	$	7,191	$	12,561	$	14,382	$	25,121
Interest cost on benefit obligation	12,548		9,941		25,096		19,882
Expected return on plan assets	(17,217)		(13,639)		(34,435)		(27,278)
Prior service cost amortization	361		360		723		721
Net actuarial (gain) loss amortization	(3,832)		1,830		(7,665)		3,660
Pension plan (income) cost (1)	$	(949)	$	11,053	$	(1,899)	$	22,106

(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.