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Note 16 - Components of Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2025
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following table summarizes the activity related to each component of accumulated other comprehensive loss for the years ended December 31, 2025 and 2024:
|  | Net Unrealized Loss on Securities |  |  | Adjustments Related to Pension Benefits |  |  | Accumulated Other Comprehensive Loss |
Balance at December 31, 2023 |  | $ | (62,556 | ) |  | $ | (2,310 | ) |  | $ | (64,866 | )
Unrealized holding gain on available for sale securities, net of tax of $124 |  |  | 463 |  |  |  | - |  |  |  | 463 |
Net pension gain, net of tax of $701 |  |  | - |  |  |  | 2,638 |  |  |  | 2,638 |
Balance at December 31, 2024 |  | $ | (62,093 | ) |  | $ | 328 |  |  | $ | (61,765 | )
Balance at December 31, 2024 |  | $ | (62,093 | ) |  | $ | 328 |  |  | $ | (61,765 | )
Unrealized holding gain on available for sale securities, net of tax of $5,617 |  |  | 21,129 |  |  |  | - |  |  |  | 21,129 |
Net pension gain, net of tax of $255 |  |  | - |  |  |  | 962 |  |  |  | 962 |
Balance at December 31, 2025 |  | $ | (40,964 | ) |  | $ | 1,290 |  |  | $ | (39,674 | )

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