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Loans (Details 4) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment $ 950,210 $ 863,702 $ 881,520
Pass [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 943,075 854,204  
Special Mention [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 596 1,626  
Substandard [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 6,539 7,872  
Doubtful [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Commercial, Financial And Agricultural Loan [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 70,712 69,952 80,796
Commercial, Financial And Agricultural Loan [Member] | Pass [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 70,663 69,833  
Commercial, Financial And Agricultural Loan [Member] | Special Mention [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 49 119  
Commercial, Financial And Agricultural Loan [Member] | Substandard [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Commercial, Financial And Agricultural Loan [Member] | Doubtful [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Construction Loans [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 84,355 94,969 100,061
Construction Loans [Member] | Pass [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 84,355 94,966  
Construction Loans [Member] | Special Mention [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Construction Loans [Member] | Substandard [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 3  
Construction Loans [Member] | Doubtful [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Residential Mortgage [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 53,553 45,498 44,987
Residential Mortgage [Member] | Pass [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 53,282 45,049  
Residential Mortgage [Member] | Special Mention [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 230 305  
Residential Mortgage [Member] | Substandard [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 41 144  
Residential Mortgage [Member] | Doubtful [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Commercial Real Estate [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 698,416 617,464 620,130
Commercial Real Estate [Member] | Pass [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 693,189 610,001  
Commercial Real Estate [Member] | Special Mention [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 83 1,009  
Commercial Real Estate [Member] | Substandard [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 5,144 6,454  
Commercial Real Estate [Member] | Doubtful [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Home Equity Line of Credit [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 28,800 27,116 27,233
Home Equity Line of Credit [Member] | Pass [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 27,470 25,751  
Home Equity Line of Credit [Member] | Special Mention [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 140 171  
Home Equity Line of Credit [Member] | Substandard [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 1,190 1,194  
Home Equity Line of Credit [Member] | Doubtful [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment  
Consumer Portfolio Segment [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 14,374 8,703 $ 8,313
Consumer Portfolio Segment [Member] | Pass [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 14,116 8,604  
Consumer Portfolio Segment [Member] | Special Mention [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 94 22  
Consumer Portfolio Segment [Member] | Substandard [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment 164 77  
Consumer Portfolio Segment [Member] | Doubtful [Member]      
Financing Receivable, Past Due [Line Items]      
Loans held-for-investment