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Note 16 - Components of Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
| Net Unrealized Gain (Loss) on Securities |  | Adjustments Related to Pension Benefits |  | Accumulated Other Comprehensive Loss |
Balance as of December 31, 2021 | $ | 2,854 |  | $ | (6,912 | ) | $ | (4,058 | )
Unrealized holding loss on available for sale securities net of tax of ($22,403) |  | (84,275 | ) |  | - |  |  | (84,275 | )
Net pension gain, net of tax of $1,214 |  | - |  |  | 4,567 |  |  | 4,567 |
Balance as of December 31, 2022 | $ | (81,421 | ) | $ | (2,345 | ) | $ | (83,766 | )
Unrealized holding gain on available for sale securities net of tax of $4,315 |  | 16,233 |  |  | - |  |  | 16,233 |
Reclassification adjustment, net of tax of $700 |  | 2,632 |  |  | - |  |  | 2,632 |
Net pension gain, net of tax of $9 |  | - |  |  | 35 |  |  | 35 |
Balance as of December 31, 2023 | $ | (62,556 | ) | $ | (2,310 | ) | $ | (64,866 | )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
| December 31,
| 2023 |  | 2022
Component of Accumulated Other Comprehensive Loss |  |  |
Reclassification out of unrealized losses on available for sale securities: |  |  |  |  |
Realized securities loss, net | $ | (3,332 | ) | $ | -
Income tax benefit |  | 700 |  |  | -
Realized loss on available for sale securities, net of tax, reclassified out of accumulated other comprehensive loss | $ | (2,632 | ) | $ | -

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