Quarterly report [Sections 13 or 15(d)]

Benefit Plans (Details)

v3.25.3
Benefit Plans (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Defined Benefit Pension Plans        
Defined Benefit Plan, Net Periodic Expense (Benefit)        
Interest cost $ 818 $ 807 $ 2,460 $ 2,421
Expected return on plan assets (809) (837) (2,426) (2,511)
Settlement gain 0 0 (1) (6)
Net periodic expense (benefit) 9 (30) 33 (96)
Other Postretirement Benefits Plan        
Defined Benefit Plan, Net Periodic Expense (Benefit)        
Interest cost 6 6 19 18
Amortization of prior service credit 0 (7) 0 (22)
Amortization of net gain (1) 0 (3) (1)
Net periodic expense (benefit) $ 5 $ (1) $ 16 $ (5)