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Loans and Allowance for Credit Losses - Troubled Debt Restructured Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
New Troubled Debt Restructurings, Accrual Status | $ 0 |
Existing Troubled Debt Restructurings, Accrual Status | 3,291 |
Troubled Debt Restructurings, Accrual Status | 3,291 |
New Troubled Debt Restructurings, Nonaccrual Status | 4,184 |
New Troubled Debt Restructurings, Nonaccrual Status | 3,163 |
Troubled Debt Restructurings, Nonaccrual Status | 7,347 |
New Troubled Debt Restructurings | 4,184 |
Existing Troubled Debt Restructurings | 6,454 |
Troubled Debt Restructurings | 10,638 | $ 7,900
Commercial & industrial loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
New Troubled Debt Restructurings, Accrual Status | 0 |
New Troubled Debt Restructurings, Nonaccrual Status | 3,118 |
New Troubled Debt Restructurings | 3,118 |
Commercial real estate | Owner occupied properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
New Troubled Debt Restructurings, Accrual Status | 0 |
New Troubled Debt Restructurings, Nonaccrual Status | 350 |
New Troubled Debt Restructurings | 350 |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
New Troubled Debt Restructurings, Accrual Status | 0 |
New Troubled Debt Restructurings, Nonaccrual Status | 139 |
New Troubled Debt Restructurings | 139 |
Other construction, land development and raw land loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
New Troubled Debt Restructurings, Accrual Status | 0 |
New Troubled Debt Restructurings, Nonaccrual Status | 577 |
New Troubled Debt Restructurings | $ 577 |

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