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Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Statement of Comprehensive Income [Abstract]    
Unrealized gain (loss) on interest rate swaps, tax $ 26 $ (4)
Reclassification adjustment for losses recognized in earnings, tax (1) (12)
Unrealized (losses) gains on other securities available for sale arising during the period, tax (1,348) 1,053
Reclassification adjustment for realized gains included in net income, tax $ 31 $ 0