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Note 20 - Fair Value Measurements - Balances of Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Sep. 01, 2022
--- | --- | --- | ---
Fair value, available for sale securities | $ 163,847 | $ 152,857 | $ 74,400
Fair Value, Recurring [Member] |  |  |
Fair value, available for sale securities | 163,847 | 152,857 |
Derivatives - cash flow hedges | 2,690 | 2,488 |
Assets, Fair Value | 166,537 | 155,345 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value, available for sale securities | 0 | 0 |
Derivatives - cash flow hedges | 0 | 0 |
Assets, Fair Value | 0 | 0 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value, available for sale securities | 163,847 | 152,857 |
Derivatives - cash flow hedges | 2,690 | 2,488 |
Assets, Fair Value | 166,537 | 155,345 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value, available for sale securities | 0 | 0 |
Derivatives - cash flow hedges | 0 | 0 |
Assets, Fair Value | 0 | 0 |
US Treasury Securities [Member] |  |  |
Fair value, available for sale securities | 11,688 | 11,450 |
US Treasury Securities [Member] | Fair Value, Recurring [Member] |  |  |
Fair value, available for sale securities | 11,688 | 11,450 |
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value, available for sale securities | 0 | 0 |
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value, available for sale securities | 11,688 | 11,450 |
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value, available for sale securities | 0 | 0 |
US Agency and Mortgage-backed Securities [Member] |  |  |
Fair value, available for sale securities | 98,039 | 84,800 |
US Agency and Mortgage-backed Securities [Member] | Fair Value, Recurring [Member] |  |  |
Fair value, available for sale securities | 98,039 | 84,800 |
US Agency and Mortgage-backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value, available for sale securities | 0 | 0 |
US Agency and Mortgage-backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value, available for sale securities | 98,039 | 84,800 |
US Agency and Mortgage-backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value, available for sale securities | 0 | 0 |
Municipal Bonds [Member] | Fair Value, Recurring [Member] |  |  |
Fair value, available for sale securities | 54,120 | 56,607 |
Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value, available for sale securities | 0 | 0 |
Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value, available for sale securities | 54,120 | 56,607 |
Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value, available for sale securities | $ 0 | $ 0 |

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