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Related Party Transactions (Details) - Directors Affiliates and Executive Officers [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Summary of loan transactions with directors, including their affiliates and executive officers    
Balance, beginning of year $ 10,891 $ 13,969
New loans 4,389 6,709
Less loan payments (9,490) (9,787)
Balance, end of year $ 5,790 $ 10,891