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Retirement Plans and Other Postretirement Benefits - Summary of Retirement Plans and Other Postretirement Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Change in plan assets:      
Fair value of plan assets at beginning of year $ 60,479    
Fair value of plan assets at end of year 49,399 $ 60,479  
Retirement Plans [Member]      
Change in benefit obligation:      
Benefit obligation at beginning of year 57,698 59,431  
Service cost 558 567 $ 477
Interest cost 1,573 1,431 1,692
Actuarial gain (9,776) (1,043)  
Benefits paid (2,774) (2,688)  
Benefit obligation at end of year 47,279 57,698 59,431
Change in plan assets:      
Fair value of plan assets at beginning of year 60,479 55,366  
Actual (loss) return on plan assets (8,463) 7,644  
Benefits paid (2,774) (2,688)  
Employer contribution and non-qualified benefit payments 157 157  
Fair value of plan assets at end of year 49,399 60,479 55,366
Funded status 2,120 2,781  
Unrecognized net actuarial loss (gain) 19,851 18,226  
Net amount recognized 21,971 21,007  
Other Post Retirement Benefits [Member]      
Change in benefit obligation:      
Benefit obligation at beginning of year 3,536 3,540  
Service cost 123 143 109
Interest cost 96 85 96
Actuarial gain (1,136) (124)  
Benefits paid (95) (108)  
Benefit obligation at end of year 2,524 3,536 3,540
Change in plan assets:      
Fair value of plan assets at beginning of year 0 0  
Actual (loss) return on plan assets 0 0  
Benefits paid (95) (108)  
Employer contribution and non-qualified benefit payments 95 108  
Fair value of plan assets at end of year 0 0 $ 0
Funded status (2,524) (3,536)  
Unrecognized net actuarial loss (gain) (371) 820  
Net amount recognized $ (2,895) $ (2,716)