Pension and Other Postretirement Benefit Plans - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain recognized	$ 217
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,208	$ 1,217	$ 1,207
Interest cost	25,724	27,027	16,539
Expected return on plan assets	(31,964)	(39,470)	(37,276)
Amortization of prior service credits	0	0	0
Recognized net actuarial loss (gain)	6,265	741	3,037
Curtailment gain recognized	(217)	0	0
Net periodic benefit cost (credit)	1,016	(10,485)	(16,493)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0
Interest cost	11,031	13,044	7,898
Expected return on plan assets	0	0	0
Amortization of prior service credits	(2,405)	(2,405)	(2,405)
Recognized net actuarial loss (gain)	(278)	0	3,515
Curtailment gain recognized	0	0	0
Net periodic benefit cost (credit)	$ 8,348	$ 10,639	$ 9,008