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

Benefit Plans - Change in Benefit Obligation and Plan Assets (Details)

v3.25.4
Benefit Plans - Change in Benefit Obligation and Plan Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Pension Plans      
Change in benefit obligation:      
Benefit obligation at beginning of period $ 61,721 $ 66,556  
Interest cost 3,278 3,227 $ 3,453
Plan settlements (1,013) (1,348)  
Benefits paid (3,464) (3,254)  
Premiums paid 0 0  
Actuarial loss (gain) 1,529 (3,460)  
Benefit obligation at end of the period 62,051 61,721 66,556
Change in plan assets:      
Fair value of plan assets at beginning of period 59,689 61,618  
Actual return on plan assets 6,066 1,048  
Employer contributions 480 1,625  
Plan settlements (1,013) (1,348)  
Benefits paid (3,464) (3,254)  
Premiums paid 0 0  
Fair value of plan assets at end of the period 61,758 59,689 61,618
Funded status of the plans (underfunded) (293) (2,032)  
Other Postretirement Benefit Plan      
Change in benefit obligation:      
Benefit obligation at beginning of period 463 475  
Interest cost 26 24 24
Plan settlements 0 0  
Benefits paid 0 0  
Premiums paid (3) (3)  
Actuarial loss (gain) 2 (33)  
Benefit obligation at end of the period 488 463 475
Change in plan assets:      
Fair value of plan assets at beginning of period 0 0  
Actual return on plan assets 0 0  
Employer contributions 3 3  
Plan settlements 0 0  
Benefits paid 0 0  
Premiums paid (3) (3)  
Fair value of plan assets at end of the period 0 0 $ 0
Funded status of the plans (underfunded) $ (488) $ (463)