Retirement Plans and Other Postretirement Benefits - Schedule of Amounts Recognized on the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Amounts recognized on the Consolidated Balance Sheets
Noncurrent asset	$ 399,334	$ 342,102
Pension Plans
Amounts recognized on the Consolidated Balance Sheets
Noncurrent asset	0	0
Current liability	(12,653)	(13,130)
Noncurrent liability	(167,636)	(139,317)
Net amount recognized (funded status)	(180,289)	(152,447)
Other Benefits Plans
Amounts recognized on the Consolidated Balance Sheets
Noncurrent asset	399,334	342,102
Current liability	0	0
Noncurrent liability	0	0
Net amount recognized (funded status)	$ 399,334	$ 342,102

Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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Name:	us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant