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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Statement of Comprehensive Income [Abstract] |  |
Net income | $ 4,439 | $ 2,979
Other comprehensive income (loss): |  |
Unrealized holding gains (losses) on securities available for sale | (4,439) | 3,166
Tax effect | (1,132) | 1,189
Net of tax amount | (3,307) | 1,977
Change in funded status of defined benefit pension plan and other benefit plans: |  |
Reclassification adjustment for amortization of prior service costs | (55) | (55)
Reclassification adjustment for amortization of net actuarial loss | 73 | 88
Total before tax effect | 18 | 33
Tax effect | 5 | 12
Net of tax amount | 13 | 21
Total other comprehensive income (loss) | (3,294) | 1,998
Comprehensive income | $ 1,145 | $ 4,977

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