v3.25.2
Employee Benefit Plans - Components of Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Net periodic benefit cost $ 3,574 $ 3,261 $ 9,056 $ 8,587
Defined benefit plans        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Interest cost 5,649 5,603 11,298 11,205
Expected return on plan assets, net of expenses (5,559) (6,018) (11,117) (12,036)
Amortization of actuarial loss and prior service cost 5 4 9 9
Total for defined benefit pension plan 95 (411) 190 (822)
SERPs        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Net periodic benefit cost 242 234 485 468
Defined contribution plan        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Net periodic benefit cost $ 3,237 $ 3,438 $ 8,381 $ 8,941