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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Statement of Comprehensive Income [Abstract]        
Unrealized gain (loss), available for sale, tax expense (benefit) $ 51 $ (98) $ 711 $ 790
Reclassification of realized gains, tax expense 10 71 85 150
Unrealized loss transfer from available for sale to held to maturity, tax benefit 0 0 0 1
Change in fair value of interest rate swap designated as a cash flow hedge, net of tax expense (benefit) $ 20 $ 151 $ 62 $ (199)