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Benefit Plans (Changes in the defined benefit pension plan) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Change in benefit obligation      
Benefit obligation, January 1 $ 9,725 $ 10,358  
Interest cost 224 233 $ 306
Actuarial (gain) loss (2,236) (357)  
Defined Benefit Plan, Benefit Obligation, Benefits Paid 817 509  
Benefit obligation, December 31 6,896 9,725 10,358
Change in plan assets      
Fair value of plan assets, January 1 8,649 8,263  
Investment return (1,250) 831  
Contributions 0 64  
Defined Benefit Plan, Plan Assets, Benefits Paid 817 509  
Fair value of plan assets, December 31 6,582 8,649 8,263
Deficiency in funded status at December31, included on the consolidated balance sheets in accrued interest payable and other liabilities (314) (1,076)  
Defined Benefit Plan, Accumulated Benefit Obligation 6,896 9,725  
Accrued benefit cost at January 1 (1,076) (2,095)  
Contributions 0 64  
Net periodic cost for the year (59) 31 (176)
Net change in unrecognized actuarial loss and prior service cost 821 924 (62)
Accrued benefit cost at December 31 $ (314) $ (1,076) $ (2,095)