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Note 8 - Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2023
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Net Unrealized Gains (Losses) on Securities |  |  | Change in Fair Value of Cash Flow Hedges |  |  | Accumulated Other Comprehensive Income (Loss) |
Balance at December 31, 2021 |  | $ | (445 | ) |  | $ | 743 |  |  | $ | 298 |
Unrealized holding losses (net of tax, ($3,786)) |  |  | (14,243 | ) |  |  | — |  |  |  | (14,243 | )
Change in fair value of cash flow hedge (net of tax, $146) |  |  | — |  |  |  | 553 |  |  |  | 553 |
Change during period |  |  | (14,243 | ) |  |  | 553 |  |  |  | (13,690 | )
Balance at March 31, 2022 |  | $ | (14,688 | ) |  | $ | 1,296 |  |  | $ | (13,392 | )
Balance at December 31, 2022 |  | $ | (24,587 | ) |  | $ | 2,116 |  |  | $ | (22,471 | )
Unrealized holding losses (net of tax, $576) |  |  | 2,162 |  |  |  | — |  |  |  | 2,162 |
Amortization of unrealized holding losses on available-for-sale securities transferred to held to maturity (net of tax of $84) |  |  | 316 |  |  |  | — |  |  |  | 316 |
Change in fair value of cash flow hedge (net of tax, ($60)) |  |  | — |  |  |  | (223 | ) |  |  | (223 | )
Change during period |  |  | 2,478 |  |  |  | (223 | ) |  |  | 2,255 |
Balance at March 31, 2023 |  | $ | (22,109 | ) |  | $ | 1,893 |  |  | $ | (20,216 | )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
Details About Accumulated Other Comprehensive Income (Loss) |  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) |  | Affected Line Item in the Consolidated Statements of Income
|  | Three Months Ended |  |
|  | March 31, 2023 |  |  | March 31, 2022 |  |
Securities available for sale: |  |  |  |  |  |  |  |  |
Net securities gains reclassified into earnings |  | $ | — |  |  | $ | — |  | Net gains on securities available for sale
Related income tax expense |  |  | — |  |  |  | — |  | Income tax expense
Total reclassifications |  | $ | — |  |  | $ | — |  | Net of tax

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