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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Statement of Comprehensive Income [Abstract]        
Unrealized holding gain (loss) on securities available for sale arising during the period, tax $ (2,596) $ (4,101) $ (7,470) $ 4,374
Unrealized gain (loss) on cash flow hedges arising during the period, tax 44 (3) 212 (134)
Reclassification adjustment for net losses (gains) included in net income, tax 250 32 766 258
Defined benefit pension plan amortization of prior service cost, tax $ 31 $ 94