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Borrowings (Narrative) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Schedule of Federal Home Loan Bank Advances [Line Items]    
Federal Home Loan Bank Advances $ 0 $ 0
FHLB irrevocable letter of credit 50,000  
Federal Home Loan Bank of Atlanta [Member]    
Schedule of Federal Home Loan Bank Advances [Line Items]    
Unused line of credit total $ 225,200  
Available credit to total Bank assets, maximum percentage 20.00%