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Employee Benefit Plans - Accumulated Post-Retirement Benefit Obligation, Funded Status, and Net Periodic Benefit Cost (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Change in Benefit Obligations [Roll Forward]      
Benefit obligation at beginning of year $ 1,353 $ 1,523 $ 1,581
Interest cost 33 29 46
Benefits paid (93) (93) (97)
Actuarial gain (243) (106) (7)
Benefit obligation at end of period $ 1,050 1,353 1,523
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement Of Income Or Comprehensive Income, Extensible List, Not Disclosed Flag Interest cost    
Funded Status of Plan [Abstract]      
Benefit obligation at end of period $ (1,050) (1,353) (1,523)
Unamortized gain (345) (133) (35)
Accrued benefit cost $ (1,395) $ (1,486) $ (1,558)
Weighted average discount rate as of December 31 0.0475 0.0250 0.0200
Components of Net Periodic Benefit Cost [Abstract]      
Interest cost $ 33 $ 29 $ 46
Other settlement income (31) (9) (2)
Net periodic benefit cost $ 2 $ 20 $ 44
Weighted average discount rate for net periodic cost 2.50% 2.00% 3.00%