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Employee Benefit Plans (Components of Net Pension Cost (Income)) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]    
Service cost benefits earned during the period   $ 51
Interest cost on projected benefit obligation $ 216 206
Defined Benefit Plan Net Periodic Benefit Cost Credit Interest Cost Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag Interest cost  
Actual return on assets $ (336) (394)
Net amortization and deferral $ (53) (34)
Defined Benefit Plan Net Periodic Benefit Cost Credit Amortization Of Prior Service Cost Credit Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag Net amortization and deferral  
Net periodic pension cost $ (173) (171)
Other Postretirement Benefits [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Net periodic pension cost $ 11 $ 17