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Employee Benefit Plans - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 05, 2024
USD ($)
employee
Aug. 28, 2024
USD ($)
employee
Jan. 01, 2019
Dec. 31, 2025
USD ($)
participant
Dec. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
contract
Dec. 31, 2024
USD ($)
Dec. 31, 2019
Dec. 31, 2023
USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]                  
Deferred compensation liability, current and noncurrent       $ 33,900 $ 33,900 $ 33,900 $ 35,700    
Compensation expense           4,300 3,400    
Annuity Purchase Placements                  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]                  
Plan settlements           $ 21,600      
Employee pension plan participants age           59 years 6 months      
Number of terminated vested and eligible active participants | participant       248          
VEBA Pension Plan                  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]                  
Defined contribution plan, cost           $ 17,800 16,400    
401(k) Plan                  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]                  
Defined contribution plan, cost           $ 3,900      
Employer matching contribution, percent of employees' gross pay           75.00%      
Maximum annual contributions per employee, percent           6.00%      
Pension Plan                  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]                  
Number of annuity contracts purchase | contract           2      
Defined benefit plan, number of employees | employee   1,104              
Plan settlements $ 16,900 $ 81,800       $ 0 120,303    
Defined contribution plan, number of employees | employee 43                
Projected benefit obligation       $ 112,667 112,667 $ 112,667 $ 114,900   $ 248,480
Expected long-term rate of return on plan assets           4.50% 4.50%    
Defined contribution plan, cost           $ 8,700 $ 8,200    
Number of additional benefits               2  
Employer contribution, percentage, maximum     4.00%            
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement           0 $ 2,736    
Pension Plan | Lump Sum Distribution                  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]                  
Plan settlements           $ 120,300      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement         $ 2,700