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Benefit Plans - Schedule of Plan Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 348,360 $ 331,172  
Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 341,568 255,366  
Significant Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 6,792 75,806  
Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 162,683 195,840  
Equity securities | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 162,683 195,840  
Equity securities | Significant Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Equity securities | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Cash and equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 7,263 12,977  
Cash and equivalents | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 7,263 12,977  
Cash and equivalents | Significant Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Cash and equivalents | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Fixed income      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 178,414 122,355  
Fixed income | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 171,622 46,549  
Fixed income | Significant Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 6,792 75,806  
Fixed income | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 323,452 307,947 $ 285,504
Pension Benefits | Debt securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 169,758 $ 116,987  
Actual plan asset allocations as a percent of total plan assets 52.00% 38.00%  
Pension Benefits | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 146,967 $ 179,103  
Actual plan asset allocations as a percent of total plan assets 45.00% 58.00%  
Pension Benefits | Cash and equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 6,727 $ 11,857  
Actual plan asset allocations as a percent of total plan assets 2.00% 4.00%  
Other Postretirement Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 24,908 $ 23,225 $ 21,207
Other Postretirement Benefits | Debt securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 8,656 $ 5,368  
Actual plan asset allocations as a percent of total plan assets 36.00% 23.00%  
Other Postretirement Benefits | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 15,716 $ 16,737  
Actual plan asset allocations as a percent of total plan assets 63.00% 72.00%  
Other Postretirement Benefits | Cash and equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 536 $ 1,120  
Actual plan asset allocations as a percent of total plan assets 2.00% 5.00%