Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Pension and other postretirement benefits expenses consisted of the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
Pensions	2022		2021		2022		2021
Service cost	$	1,462	$	1,633	$	4,345	$	4,912
Interest cost	3,643		3,186		10,511		9,562
Expected return on plan assets	(7,264)		(6,963)		(21,801)		(20,897)
Amortization of prior service cost	97		83		304		248
Amortization of actuarial losses	3,098		3,999		9,755		12,005
Curtailment loss	1,158		—		1,158		—
Special termination benefits	259		—		395		—
Net periodic benefit cost	$	2,453	$	1,938	$	4,667	$	5,830

	Three Months Ended September 30,				Nine Months Ended September 30,
Other Postretirement Benefits	2022		2021		2022		2021
Service cost	$	19	$	27	$	58	$	77
Interest cost	197		203		606		615
Amortization of prior service cost	9		7		27		22
Amortization of actuarial losses	(1)		54		(2)		194
Net periodic benefit cost	$	224	$	291	$	689	$	908