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Note 16 - Components of Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Reclassification adjustment for gain included in net income, taxes |  | $ 700
Net pension gain arising during the period, net of taxes | $ 701 | 9
AOCI Attributable to Parent [Member] |  |
Unrealized holding gain on available for sale securities, tax | $ 124 | $ 4,315

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