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Loans and Allowance for Credit Losses - Amortized Cost Basis of Collateral-Dependent Loans by Class of Loans Individually Evaluated (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | $ 19,816 |
Allowance for Credit Losses | 1,931 | $ 1,098
Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 3,458 |
Allowance for Credit Losses | 664 | 301
Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 8 |
Allowance for Credit Losses | 0 | 1
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 16,350 |
Real Estate | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Real Estate | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Business Assets |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 3,458 |
Business Assets | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 3,458 |
Business Assets | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Other Property |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 8 |
Other Property | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Other Property | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 8 |
Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 16,350 |
Allowance for Credit Losses | 1,267 | 788
Real Estate Loan | Construction and Land Development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 516 |
Allowance for Credit Losses | 246 | 0
Real Estate Loan | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 11,527 |
Allowance for Credit Losses | 863 | 587
Real Estate Loan | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 16,350 |
Real Estate Loan | Real Estate | Construction and Land Development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 516 |
Real Estate Loan | Real Estate | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 11,527 |
Real Estate Loan | Business Assets |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Real Estate Loan | Business Assets | Construction and Land Development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Real Estate Loan | Business Assets | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Real Estate Loan | Other Property |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Real Estate Loan | Other Property | Construction and Land Development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Real Estate Loan | Other Property | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
1-4 Family | Real Estate Loan | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 2,393 |
Allowance for Credit Losses | 158 | 182
1-4 Family | Real Estate Loan | Real Estate | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 2,393 |
1-4 Family | Real Estate Loan | Business Assets | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
1-4 Family | Real Estate Loan | Other Property | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Multifamily | Real Estate Loan | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 1,914 |
Allowance for Credit Losses | 0 | $ 19
Multifamily | Real Estate Loan | Real Estate | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 1,914 |
Multifamily | Real Estate Loan | Business Assets | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | 0 |
Multifamily | Real Estate Loan | Other Property | Residential Properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Individually Evaluated for Impairment | $ 0 |

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