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Note 8 - Loans - Nonaccrual Loans and Related Allowance for Credit Losses (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Loans with no related allowance, unpaid principal balance | $ 159,234 | $ 175,678
Loans with no related allowance, recorded investment | 141,015 | 155,266
Loans with related allowance, unpaid principal balance | 26,961 | 26,749
Loans with related allowance, recorded investment | 13,611 | 13,895
Allowance | 2,453 | 1,238
Unpaid principal balance | 186,195 | 202,427
Recorded investment | 154,626 | 169,161
Commercial Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 50,294 | 56,022
Loans with no related allowance, recorded investment | 47,257 | 53,499
Loans with related allowance, unpaid principal balance | 18,794 | 18,769
Loans with related allowance, recorded investment | 6,105 | 6,267
Allowance | 2,423 | 1,208
Commercial Real Estate Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 91,320 | 100,316
Loans with no related allowance, recorded investment | 76,622 | 82,936
Loans with related allowance, unpaid principal balance | 187 | 194
Loans with related allowance, recorded investment | 180 | 193
Allowance | 1 | 1
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |
Loans with no related allowance, unpaid principal balance | 17,620 | 19,340
Loans with no related allowance, recorded investment | 17,136 | 18,831
Loans with related allowance, unpaid principal balance | 7,980 | 7,786
Loans with related allowance, recorded investment | 7,326 | 7,435
Allowance | $ 29 | $ 29

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