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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Statement of Comprehensive Income [Abstract]      
Tax effect on unrealized holding gains (losses) on securities arising during the period $ 1,100 $ (247) $ 584
Income tax expense on reclassification adjustment for net gain on sale of securities included in net income $ 317 $ (2) $ 48