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Pension Plan - Defined Benefit Plan Activity (Details) - Pension Plan - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Change in benefit obligation      
Benefit obligation at beginning of year $ 12,230 $ 12,715  
Interest cost 341 313 $ 365
Actuarial loss 160 143  
Assumption changes (3,584) (649)  
Benefits paid (318) (292)  
Benefit obligation at end of year 8,829 12,230 12,715
Change in plan assets:      
Fair value of plan assets at beginning of year 11,591 7,096  
Actual return (loss) on plan assets (1,990) 952  
Employer contribution 0 3,835  
Benefits paid (318) (292)  
Fair value of plan assets at end of year 9,283 11,591 $ 7,096
Funded status 454 (639)  
Unrecognized net actuarial loss 4,120 5,314  
Prepaid pension cost recognized 4,574 4,675  
Accumulated benefit obligation $ 8,829 $ 12,230