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Note 9 - Commitments and Off-balance Sheet Risk (Details Textual) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss | $ 56,666 | $ 54,454 | $ 51,638 | $ 49,914
Retail and Commercial Lines of Credit and Credit Card Receivables [Member] |  |  |  |
Financing Receivable, Allowance for Credit Loss | $ 300 | $ 1,000 |  |

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Balance Type: |
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