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Loans (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Financing Receivable, Past Due [Line Items]      
Loans $ 844,460 $ 737,028 $ 735,074
Commercial, Financial And Agricultural Loan [Member]      
Financing Receivable, Past Due [Line Items]      
Loans 108,006 51,805 55,169
Construction Loans [Member]      
Financing Receivable, Past Due [Line Items]      
Loans 89,250 73,512 58,737
Residential Mortgage [Member]      
Financing Receivable, Past Due [Line Items]      
Loans 49,215 45,357 47,693
Commercial Real Estate [Member]      
Financing Receivable, Past Due [Line Items]      
Loans 561,932 527,447 534,554
Home Equity Line of Credit [Member]      
Financing Receivable, Past Due [Line Items]      
Loans 27,618 28,891 29,103
Consumer Portfolio Segment [Member]      
Financing Receivable, Past Due [Line Items]      
Loans $ 8,439 $ 10,016 $ 9,818