Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2025

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Benefit Costs

Components of net periodic benefit (income) cost for the Company's defined benefit plans were as follows (in thousands):

	Three months ended
	March 31, 2025		March 31, 2024
Pension and SERPA Benefits:
Service cost	$	963	$	1,175
Interest cost	20,501		20,118
Expected return on plan assets	(32,799)		(33,143)
Amortization of unrecognized:
Prior service cost	380		188
Net gain	(174)		(163)
Net periodic benefit income	$	(11,129)	$	(11,825)
Postretirement Healthcare Benefits:
Service cost	$	643	$	723
Interest cost	2,618		2,694
Expected return on plan assets	(4,675)		(4,424)
Amortization of unrecognized:
Prior service cost (credit)	149		149
Net gain	(1,369)		(1,250)
Net periodic benefit income	$	(2,634)	$	(2,108)