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Note 13 - Derivative Financial Instruments - Non-hedging Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Derivative assets, fair value | $ 9,885 |  | $ 9,885 |  | $ 9,010
Derivative liabilities, fair value | 9,834 |  | 9,834 |  | 8,972
Derivative instrument, gain (loss) | (73) | $ (39) | 340 | $ (107) |
Interest Rate Swap [Member] | Fees and Service Charges [Member] |  |  |  |  |
Derivative instrument, gain (loss) | (37) | 3 | 328 | 3 |
Interest Rate Swap [Member] | Other Assets [Member] |  |  |  |  |
Derivative assets, fair value | 9,834 |  | 9,834 |  | 8,972
Derivative liabilities, fair value | 9,834 |  | 9,834 |  | 8,972
Interest Rate Lock Commitments [Member] | Gain (Loss) on Sale of Loans Held-for-Sale, Net [Member] |  |  |  |  |
Derivative instrument, gain (loss) | (36) | $ (42) | 12 | $ (110) |
Interest Rate Lock Commitments [Member] | Other Assets [Member] |  |  |  |  |
Derivative assets, fair value | $ 51 |  | $ 51 |  | $ 38

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