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Loans - Loans (Details) - USD ($) $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 807,937 | $ 655,411 | $ 661,482
Unsecured debt | Paycheck Protection Program |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loan amount | $ 6,300 |  |
Interest rate | 1.00% |  |
Unearned fees | $ 275 |  |
Unsecured debt | Paycheck Protection Program | Minimum |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Life of the debt instrument | 2 years |  |
Loan processing fee percentage | 3.00% |  |
Unsecured debt | Paycheck Protection Program | Maximum |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Life of the debt instrument | 5 years |  |
Loan processing fee percentage | 5.00% |  |
Commitments to extend credit |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Fair value, concentration of risk, commitments | $ 223,119 | 216,799 |
Standby letters of credit |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Fair value, concentration of risk, commitments | 1,449 | 3,668 |
Commercial and Industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 51,135 | 47,514 | 65,742
Percentage of total loans | 6.30% |  |
Commercial and Industrial | Commercial and business loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 44,713 | 37,349 | 39,218
Commercial and Industrial | Government program loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | 6,422 | 10,165 | 26,524
Real estate mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 481,930 | 320,294 | 309,849
Percentage of total loans | 59.70% |  |
Real estate mortgage | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 309,727 | 282,951 | 264,013
Real estate mortgage | Residential mortgages |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | 172,120 | 37,236 | 45,722
Real estate mortgage | Home improvement and home equity loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | 83 | 107 | 114
Real estate construction and development |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 165,370 | 175,016 | 171,889
Percentage of total loans | 20.50% |  |
Agricultural |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 56,091 | 51,079 | 51,587
Percentage of total loans | 6.90% |  |
Installment and student loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 53,411 | $ 61,508 | $ 62,415
Percentage of total loans | 6.60% |  |

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