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Employee and Retiree Benefit Plans - Schedule of Projected Benefit Obligations, Accumulated Benefit Obligations and Fair Value of Plan Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Funded plan | Qualified plan    
Defined Benefit Plan Disclosure [Line Items]    
Projected Benefit Obligations $ 497,947 $ 534,751
Accumulated Benefit Obligations 489,225 523,096
Fair Value of Plan Assets 477,983 461,363
Unfunded plan | Other postretirement plans    
Defined Benefit Plan Disclosure [Line Items]    
Projected Benefit Obligations 54,994 63,808
Accumulated Benefit Obligations 54,994 63,808
Fair Value of Plan Assets 0 0
Unfunded plan | Nonqualified plan    
Defined Benefit Plan Disclosure [Line Items]    
Projected Benefit Obligations 145,058 151,146
Accumulated Benefit Obligations 143,859 148,661
Fair Value of Plan Assets $ 0 $ 0