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Employee Benefit Plans (Summary of Other Post-Retirement Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Employee Benefit Plans (Summary of Other Post-Retirement Benefits) [Abstract]      
Deferred compensation agreement costs $ 277 $ 278 $ 304
Deferred compensation agreement liabilities 5,995 6,093 6,570
Cash Surrender Value of Life Insurance $ 5,071 $ 5,916 $ 6,544