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Benefit Plans - Information About the Plan's Funded Status and Pension Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Change in benefit obligation    
Beginning of year $ (7,558) $ (7,215)
Service cost (519) (528)
Interest cost $ (274) (239)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Income, Other Operating Income  
Actuarial gain (loss) $ 2,989 45
Benefits paid 282 379
End of year (5,078) (7,558)
Change in fair value of plan assets    
Beginning of year 7,744 6,522
Actual return on plan assets (1,217) 944
Employer contribution 744 657
Benefits paid (283) (379)
End of year 6,988 7,744
Funded (unfunded) status at end of year $ 1,910 $ 186