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Securities - (Details 2) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Investments, Debt and Equity Securities [Abstract]    
Gross gains on sales of securities available for sale $ 0 $ 0
Gross losses on sales of securities available for sale 0 (71)
Losses on sales of securities available for sale, net $ 0 $ (71)