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Post Retirement Benefits - Schedule of in Benefit Obligation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Change in benefit obligation:      
Interest cost $ 254 $ 198 $ 161
Post Retirement Benefits      
Change in benefit obligation:      
Benefit obligation at beginning of year 6,625 9,080  
Interest cost 254 198  
Unrecognized gain (3,004) (2,136)  
Benefits paid, net (759) (517)  
Benefit obligation at beginning of year 3,116 6,625 $ 9,080
Plan Assets 0 0  
Amounts recorded in accumulated other comprehensive income:      
Prior service credit (3,648) (4,122)  
Net loss (gain) (2,056) 948  
Total $ (5,704) $ (3,174)  
Weighted-average assumptions      
Discount rate used to determine benefit obligation and net periodic benefit cost 4.70% 4.90%