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

Benefit Plans - Net Periodic Benefit Cost (Details)

v3.25.4
Benefit Plans - Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Pension Plans      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)      
Interest cost $ 3,278 $ 3,227 $ 3,453
Expected return on plan assets (3,234) (3,367) (3,305)
Amortization of prior service credit 0 0 0
Amortization of net (gain) loss 0 0 0
Settlement (gain) loss (1) (6) 61
Net periodic (benefit) expense 43 (146) 209
Other Postretirement Benefit Plan      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)      
Interest cost 26 24 24
Expected return on plan assets 0 0 0
Amortization of prior service credit 0 (30) (125)
Amortization of net (gain) loss (4) (2) (2)
Settlement (gain) loss 0 0 0
Net periodic (benefit) expense $ 22 $ (8) $ (103)