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Note 5 - Loan Restructurings - Schedule of Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Loans, modified | $ 1,380 | $ 0 | $ 12,882 | $ 49
Loans, modified, percentage | 0.04% | 0.00% | 0.39% | 0.00%
Interest rate before modification |  | 10.45% |  | 10.45%
Interest rate after modification |  | 5.91% |  | 5.91%
Term extension, years added (Year) |  |  |  | 10 years
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, modified | $ 1,103 |  | $ 1,103 |
Loans, modified, percentage | 0.37% |  | 0.37% |
Interest rate before modification | 6.81% |  | 6.81% |
Interest rate after modification | 5.25% |  | 5.25% |
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Loans, modified |  |  | $ 11,128 |
Loans, modified, percentage |  |  | 1.52% |
Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Loans, modified | $ 277 | $ 0 | $ 366 | $ 49
Loans, modified, percentage | 0.16% | 0.00% | 0.21% | 0.03%
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |  |  |
Loans, modified |  |  | $ 103 |
Loans, modified, percentage |  |  | 0.01% |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Loans, modified |  |  | $ 182 |
Loans, modified, percentage |  |  | 0.05% |
Payment Deferral [Member] |  |  |  |
Loans, modified | $ 111 | $ 0 | $ 338 | $ 0
Payment Deferral [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, modified | 111 |  | 111 |
Weighted average principal deferred | 16 |  | 16 |
Payment Deferral [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Loans, modified |  |  | 0 |
Payment Deferral [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Loans, modified | 0 | 0 | 0 | 0
Payment Deferral [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |  |  |
Loans, modified |  |  | 103 |
Weighted average principal deferred | 6 |  | 6 |
Payment Deferral [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Loans, modified |  |  | 124 |
Weighted average principal deferred | 112 |  | 112 |
Principal Forgiveness [Member] |  |  |  |
Loans, modified | 0 | 0 | 11,142 | 0
Principal Forgiveness [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Principal Forgiveness [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Loans, modified |  |  | 11,128 |
Principal Forgiveness [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Loans, modified | 0 | $ 0 | 14 | $ 0
Interest rate before modification |  | 0.00% |  | 0.00%
Principal Forgiveness [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |  |  |
Loans, modified |  |  | 0 |
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Loans, modified |  |  | 0 |
Contractual Interest Rate Reduction [Member] |  |  |  |
Loans, modified | 759 | $ 0 | 759 | $ 29
Contractual Interest Rate Reduction [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, modified | 482 |  | 482 |
Contractual Interest Rate Reduction [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Loans, modified |  |  | 0 |
Contractual Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Loans, modified | $ 277 | $ 0 | $ 277 | $ 29
Interest rate before modification | 7.75% |  | 7.75% |
Interest rate after modification | 4.79% | 0.00% | 4.79% | 0.00%
Contractual Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |  |  |
Loans, modified |  |  | $ 0 |
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Loans, modified |  |  | 0 |
Combination Payment Deferral and Interest Rate Reduction [Member] |  |  |  |
Loans, modified | $ 510 |  | 510 |
Combination Payment Deferral and Interest Rate Reduction [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, modified | 510 |  | 510 |
Combination Payment Deferral and Interest Rate Reduction [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Loans, modified |  |  | 0 |
Combination Payment Deferral and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Combination Payment Deferral and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |  |  |
Loans, modified |  |  | 0 |
Combination Payment Deferral and Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Loans, modified |  |  | 0 |
Extended Maturity and Interest Rate Reduction [Member] |  |  |  |
Loans, modified | 0 | $ 0 | 133 | $ 20
Extended Maturity and Interest Rate Reduction [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, modified | 0 |  | 0 |
Extended Maturity and Interest Rate Reduction [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Loans, modified |  |  | 0 |
Extended Maturity and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Loans, modified | $ 0 | $ 0 | 75 | $ 20
Extended Maturity and Interest Rate Reduction [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |  |  |
Loans, modified |  |  | 0 |
Extended Maturity and Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Loans, modified |  |  | $ 58 |
Extended Maturity [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |  |  |
Term extension, years added (Year) |  |  | 1 year |
Extended Maturity [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Term extension, years added (Year) |  |  | 9 years |
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Interest rate before modification | 10.25% |  | 10.25% |
Interest rate after modification | 8.00% |  | 8.00% |
Term extension, years added (Year) |  |  | 6 years |

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