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Loans and ACL - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Net unamortized deferred loan costs | $ 3,129 |  | $ 3,129 |  | $ 3,330
Threshold period of continuous performance to return loans to accrual status (in months) |  |  | 6 months |  |
Advance in connection with impaired loans | 79 |  | $ 79 |  | 43
Defaulted loans | 0 | $ 0 | 0 | $ 0 |
Loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Interest receivable | 6,592 |  | 6,592 |  | 6,384
Collateral Pledged |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Individually evaluated for impairment | $ 3,426 |  | $ 3,426 |  | 254
Minimum | Risk rating 4 |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Delinquency period |  |  | 10 days |  |
Minimum | Risk rating 5 |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Threshold period past due | 30 days |  | 30 days |  |
Maximum |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing receivable, amortization term (in years) |  |  | 30 years |  |
Maximum | Risk rating 4 |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Delinquency period |  |  | 30 days |  |
Maximum | Risk rating 5 |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Threshold period past due | 60 days |  | 60 days |  |
Commercial And Agricultural Portfolio Segment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Maximum percentage of loan |  |  | 0.80 |  |
Commercial And Agricultural Portfolio Segment | Customer Concentration Risk |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Maximum amount of loans |  |  | $ 18,000 |  |
Residential Real Estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Maximum percentage of loan |  |  | 1 |  |
Maximum percentage of principal, interest, taxes and hazard insurance on property over gross income |  |  | 0.28 |  |
Maximum percentage of debt servicing over gross income |  |  | 0.40 |  |
Maximum amount without corporation approval |  |  | $ 1,000 |  |
Residential, Privately Insured, Financing Receivable |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Maximum percentage of loan |  |  | 0.80 |  |
Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Maximum days of consumer loan charged off | 180 days |  | 180 days |  |
Consumer | Collateral Pledged |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Individually evaluated for impairment | $ 0 |  | $ 0 |  | $ 0
Consumer | Maximum |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing receivable, amortization term (in years) |  |  | 15 years |  |
Commercial, Agricultural, and Residential Portfolio Segments |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Number of days past due (or more), accrual of interest discontinued |  |  | 90 days |  |

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