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Loans And Related Allowances for Loan Losses (Changes in Dollar Amount of Loans Outstanding to Officers, Directors and their Associates) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Loans and Related Allowance for Loan Losses [Abstract]  
Beginning Balance $ 9,477
Loans or advances 728
Repayments (1,348)
Ending Balance $ 8,857