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Note 7 - Components of Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2025
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following tables provide information about components of accumulated other comprehensive loss as of the dates indicated:
|  | 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 loss on available for sale securities, net of tax of ($887) |  |  | (3,338 | ) |  |  | - |  |  |  | (3,338 | )
Balance at March 31, 2024 |  | $ | (65,894 | ) |  | $ | (2,310 | ) |  | $ | (68,204 | )
Balance at December 31, 2024 |  | $ | (62,093 | ) |  | $ | 328 |  |  | $ | (61,765 | )
Unrealized holding gain on available for sale securities, net of tax of $2,017 |  |  | 7,590 |  |  |  | - |  |  |  | 7,590 |
Balance at March 31, 2025 |  | $ | (54,503 | ) |  | $ | 328 |  |  | $ | (54,175 | )

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