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Note 8 - Accumulated Other Comprehensive Income (Loss) - Changes in Each Component of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Unrealized holding gains, tax | $ (1,080) | $ 155 | $ (925) | $ (6,225)
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment, Tax | 86 | (1,605) | 258 | (1,605)
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment, Amortization | 86 | 0 | 258 | 0
Change in fair value of cash flow hedges, tax | $ 113 | 106 | $ 82 | 373
AOCI Attributable to Parent [Member] |  |  |  |
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment, Amortization |  | $ (157) |  | $ (157)

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