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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract] |  |  |  |
NET INCOME |  | $ 35,760 | $ 32,569 | $ 22,711
Other comprehensive income: |  |  |  |
Net unrealized holding gains (losses) on available for sale securities |  | 17,513 | (5,343) | 5,107
Reclassification adjustment for (gains) losses realized in income | [1] | 11 | (283) | (4)
Net unrealized holding gains (losses) |  | 17,524 | (5,626) | 5,103
Income tax effect |  | (3,668) | 1,169 | (1,786)
Unrealized holding gains (losses), net of reclassification and tax |  | 13,856 | (4,457) | 3,317
Change in funded status of post-retirement health plan |  | 0 | 0 | (55)
Income tax effect |  | 0 | 0 | 19
Change in funded status of post-retirement health plan, net of tax |  | 0 | 0 | (36)
Other comprehensive income (loss), net of tax |  | 13,856 | (4,457) | 3,281
TOTAL COMPREHENSIVE INCOME |  | $ 49,616 | $ 28,112 | $ 25,992
[1] | Pre-tax reclassification adjustments relating to available-for-sale securities are reported in security gains and the tax impact is included in income tax expense on the consolidated statements of income.

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