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Loans and Allowance for Credit Losses - Troubled Debt Restructured Loans, By Concession (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) contract | Dec. 31, 2020 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, number of contracts | contract | 5 | 2
Pre-modification, total modification | $ 4,868 | $ 3,413
Post-modification, number of contracts | contract | 4 | 2
Post-modification, total modification | $ 4,184 | $ 1,751
Rate Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 | 0
Post-modification, total modification | 0 | 0
Term Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 4,729 | 3,249
Post-modification, total modification | 4,045 | 1,590
Payment Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 139 | 164
Post-modification, total modification | 139 | 161
Combination Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 | 0
Post-modification, total modification | $ 0 | $ 0
Commercial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, number of contracts | contract | 2 | 2
Pre-modification, total modification | $ 3,792 | $ 3,413
Post-modification, number of contracts | contract | 1 | 2
Post-modification, total modification | $ 3,118 | $ 1,751
Commercial | Rate Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 | 0
Post-modification, total modification | 0 | 0
Commercial | Term Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 3,792 | 3,249
Post-modification, total modification | 3,118 | 1,590
Commercial | Payment Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 | 164
Post-modification, total modification | 0 | 161
Commercial | Combination Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 | 0
Post-modification, total modification | $ 0 | $ 0
Commercial real estate | Owner occupied properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, number of contracts | contract | 1 |
Pre-modification, total modification | $ 360 |
Post-modification, number of contracts | contract | 1 |
Post-modification, total modification | $ 350 |
Commercial real estate | Owner occupied properties | Rate Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | 0 |
Commercial real estate | Owner occupied properties | Term Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 360 |
Post-modification, total modification | 350 |
Commercial real estate | Owner occupied properties | Payment Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | 0 |
Commercial real estate | Owner occupied properties | Combination Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | $ 0 |
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] |  |
Pre-modification, number of contracts | contract | 1 |
Pre-modification, total modification | $ 139 |
Post-modification, number of contracts | contract | 1 |
Post-modification, total modification | $ 139 |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Rate Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | 0 |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Term Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | 0 |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Payment Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 139 |
Post-modification, total modification | 139 |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Combination Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | $ 0 |
Other construction, land development and raw land loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, number of contracts | contract | 1 |
Pre-modification, total modification | $ 577 |
Post-modification, number of contracts | contract | 1 |
Post-modification, total modification | $ 577 |
Other construction, land development and raw land loans | Rate Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | 0 |
Other construction, land development and raw land loans | Term Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 577 |
Post-modification, total modification | 577 |
Other construction, land development and raw land loans | Payment Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | 0 |
Other construction, land development and raw land loans | Combination Modification |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Pre-modification, total modification | 0 |
Post-modification, total modification | $ 0 |

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