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Loans and Allowance for Loan Losses - Narrative (Details) | 9 Months Ended |
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Sep. 30, 2022 USD ($) loan component numberOfQuarters category property | Dec. 31, 2021 USD ($)
Financing Receivable, Impaired [Line Items] |  |
Foreclosed properties held | $ 1,200,000 |
Investment in loans in the process of foreclosure | 2,300,000 |
Investment in loans in the process of foreclosure, related allowance | $ 100,000 |
Number of points in internal risk rating system | category | 9 |
Number of categories in internal risk rating system considered as not criticized | category | 6 |
Commercial relationship credit review threshold amount | $ 1,000,000 |
Commercial relationship credit review threshold amount, independent external review | $ 3,000,000 |
Past due period before loans placed in non-accrual status | 90 days |
Recent loan payment history before removal from non-accrual status | 6 months |
Allowance for loan losses, number of evaluation components | component | 2 |
Impaired loans, related reserves | $ 100,000 | $ 100,000
Number of rolling quarters | numberOfQuarters | 12 |
Liability for unfunded commitments | $ 500,000 | $ 500,000
Residential real estate |  |
Financing Receivable, Impaired [Line Items] |  |
Foreclosed properties held | $ 1,100,000 |
Increase (decrease) in impaired loans (as a percentage) | 91.70% |
Number foreclosed properties held | property | 1 |
Residential real estate | Other Loan Relationships |  |
Financing Receivable, Impaired [Line Items] |  |
Foreclosed properties held | $ 100,000 |
Increase (decrease) in impaired loans (as a percentage) | 8.30% |
Total commercial |  |
Financing Receivable, Impaired [Line Items] |  |
Number foreclosed properties held | loan | 5 |
Consumer |  |
Financing Receivable, Impaired [Line Items] |  |
Number of additional collateralized loans in the process of foreclosure | loan | 12 |
Investment in loans in the process of foreclosure | $ 1,500,000 |
The First State Bank |  |
Financing Receivable, Impaired [Line Items] |  |
Foreclosed properties held | 1,200,000 |
The First State Bank | Consumer |  |
Financing Receivable, Impaired [Line Items] |  |
Investment in loans in the process of foreclosure | $ 800,000 |

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