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Benefit Plans - Benefit Obligation and Plan Asset Rollforward (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension      
Change in benefit obligation:      
Benefit obligation at beginning of year $ 24,423 $ 24,550 $ 32,517
Service cost 0 0 0
Interest cost 1,154 1,208 855
Actuarial (gain) loss (65) (149) (48)
Benefits paid (1,639) (1,648) (1,658)
Change in actuarial assumptions (1,275) 462 (7,116)
Benefit obligation at end of year 22,598 24,423 24,550
Change in plan assets:      
Fair value of plan assets at beginning of year 52,734 47,930 58,451
Actual (loss) return on plan assets 4,775 6,452 (8,863)
Employer contributions 0 0 0
Benefits paid (1,639) (1,648) (1,658)
Fair value of plan assets at end of year 55,870 52,734 47,930
Funded status at end of year 33,272 28,311 23,380
Post-retirement      
Change in benefit obligation:      
Benefit obligation at beginning of year 11,344 12,095 16,748
Service cost 11 13 28
Interest cost 540 600 443
Actuarial (gain) loss (10) (357) 140
Benefits paid (681) (658) (933)
Change in actuarial assumptions (111) (349) (4,331)
Benefit obligation at end of year 11,093 11,344 12,095
Change in plan assets:      
Fair value of plan assets at beginning of year 0 0 0
Actual (loss) return on plan assets 0 0 0
Employer contributions 681 658 933
Benefits paid (681) (658) (933)
Fair value of plan assets at end of year 0 0 0
Funded status at end of year $ (11,093) $ (11,344) $ (12,095)