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Note 14 - Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Gain recognized |  | $ 385 |
Income before income taxes |  | 10,067 | 12,261
Income tax expense |  | 2,195 | 2,630
Net income |  | 7,872 | 9,631
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Net income |  | (228) | 55
Reclassification out of Accumulated Other Comprehensive Income [Member] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |  |
Gain recognized |  | (385) |
Income before income taxes |  | (385) |
Income tax expense |  | (81) |
Net income |  | (304) |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] |  |  |
Other operating expense | [1] | 50 | 64
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] |  |  |
Other operating expense | [1] | 46 | 5
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |
Income before income taxes |  | 96 | 69
Income tax expense |  | 20 | 14
Net income |  | $ 76 | $ 55
[1] | Amortization is included in net periodic pension cost. See Note 11, "Employee Benefit Plans."

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