v3.25.2
Pensions - Narrative (Details) - Pension Plan - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Qualified Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Contribution costs $ 0 $ 0 $ 0 $ 0
Expected future employer contribution, current fiscal year 6,000,000.0   6,000,000.0  
Nonqualified Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Contribution costs 200,000 $ 100,000 300,000 $ 300,000
Expected future employer contribution, current fiscal year $ 500,000   $ 500,000