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Employee Benefit Plans (Components of Net Pension Cost (Income)) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]    
Service cost benefits earned during the period $ 51 $ 58
Interest cost on projected benefit obligation 206 257
Actual return on assets (394) (395)
Net amortization and deferral (34) (20)
Net periodic pension cost (171) (100)
Other Postretirement Benefits [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Net periodic pension cost $ 17 $ 24