Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The components of the net periodic benefit cost for our pension and postretirement benefit plans are as follows:

	Pension Plan				Postretirement Benefit Plan
Three Months Ended March 31,	2023		2022		2023		2022
Net periodic benefit cost
Service cost	$	954	$	1,120	$	—	$	—
Interest cost	2,526		1,933		—		1
Expected return on plan assets	(3,756)		(4,723)		—		—
Amortization of prior service credit	(820)		(820)		—		(3,771)
Amortization of net loss	52		194		—		706
Net periodic benefit cost	$	(1,044)	$	(2,296)	$	—	$	(3,064)