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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]    
Tax expense (benefit) related to reclassification adjustment for losses included in net income $ (32) $ (66)
Tax expense (benefit) related to unrealized holding (losses) gains arising during period 5,338 (3,506)
Tax expense (benefit) related to (gains) losses on the sale of securities 23 45
Tax expense (benefit) related to (gains) losses for AFS securities transferred to HTM $ 1 $ 80