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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statements Of Comprehensive Income [Abstract] |  |  |
Net income | $ 11,638 | $ 11,065 | $ 8,784
Available-for-sale investment securities: |  |  |
Gross unrealized holding loss arising in the period | (590) | (374) | (1,170)
Related tax benefit | 124 | 126 | 398
Less: reclassification adjustment for gain realized in income | 70 | 119 | 262
Related tax expense | (15) | (40) | (89)
Net effect on other comprehensive income | (411) | (169) | (599)
Total comprehensive income | $ 11,227 | $ 10,896 | $ 8,185

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