Pension and Other Postretirement Benefits - Schedule of Amounts Recognized in Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Amounts recognized in the balance sheets:
Accrued benefit liability, noncurrent	$ (63,260)	$ (74,573)
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Funded status, end of year	(20,253)	(41,381)
Amounts recognized in the balance sheets:
Prepaid benefit cost	27,842	16,358
Accrued benefit liability, current	(2,969)	(3,051)
Accrued benefit liability, noncurrent	(45,126)	(54,688)
Net funded status	(20,253)	(41,381)
Other Plans
Defined Benefit Plan Disclosure [Line Items]
Funded status, end of year	(19,524)	(21,312)
Amounts recognized in the balance sheets:
Prepaid benefit cost	0	0
Accrued benefit liability, current	(1,390)	(1,427)
Accrued benefit liability, noncurrent	(18,134)	(19,885)
Net funded status	$ (19,524)	$ (21,312)