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Note 8 - Loans - Defaulted Loans That Received Modifications Within 12 Months (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Financing receivable, subsequent default | $ 1,740 | $ 0
Extended Maturity [Member] |  |
Financing receivable, subsequent default | 1,610 |
Payment Deferral [Member] |  |
Financing receivable, subsequent default | 130 |
Reduction of Interest Rate and Change in Payment Terms [Member] |  |
Financing receivable, subsequent default | 0 |
Commercial Portfolio Segment [Member] |  |
Financing receivable, subsequent default | 1,740 |
Commercial Portfolio Segment [Member] | Extended Maturity [Member] |  |
Financing receivable, subsequent default | 1,610 |
Commercial Portfolio Segment [Member] | Payment Deferral [Member] |  |
Financing receivable, subsequent default | 130 |
Commercial Portfolio Segment [Member] | Reduction of Interest Rate and Change in Payment Terms [Member] |  |
Financing receivable, subsequent default | $ 0 |

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