Annual report [Section 13 and 15(d), not S-K Item 405]

Benefit Plans and Collective Bargaining Agreements (Details)

v3.25.4
Benefit Plans and Collective Bargaining Agreements (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
401(k) Employee Stock Ownership Plan    
Defined Contribution Plan Disclosure [Line Items]    
Employee maximum contribution percentage 100.00%  
Employee maximum contribution amount $ 23,500  
Minimum age to qualify under economic growth and tax relief reconciliation act 50 years  
Employee additional contribution eligible under economic growth and tax relief reconciliation act $ 7,500  
Employee maximum contribution eligible under economic growth and tax relief reconciliation act $ 31,000  
Employer maximum contribution percentage match (as percent) 100.00% 100.00%
Matching percentage by employer of employees' gross pay (as percent) 4.00% 4.00%
Matching contributions made by employer $ 600,000 $ 1,000,000.0
Employer discretionary contribution 0 0
DanChem Plan    
Defined Contribution Plan Disclosure [Line Items]    
Employer discretionary contribution $ 29,629,000 $ 30,358,000