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Note 5 - Loans and the Allowance for Credit Losses - Aging of Modified Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Modified | $ 83,317 | $ 17,798
Financial Asset, Not Past Due [Member] |  |
Modified | 83,317 | 17,798
Financial Asset, 30 to 89 Days Past Due [Member] |  |
Modified | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Modified | 0 | 0
Commercial Portfolio Segment [Member] |  |
Modified | 18,100 | 10,317
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Modified | 18,100 | 10,317
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Modified | 0 | 0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Modified | 0 | 0
Commercial Real Estate Portfolio Segment [Member] |  |
Modified | 63,804 | 7,481
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Modified | 63,804 | 7,481
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Modified | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Modified | 0 | $ 0
Residential Portfolio Segment [Member] |  |
Modified | 1,413 |
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Modified | 1,413 |
Residential Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Modified | 0 |
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Modified | $ 0 |

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