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Investment Securities (Details 3) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2016
Proceeds, gains and losses realized on securities sold or called    
Proceeds on securities sold $ 12,984 $ 39,489
Gross realized gains 136 571
Gross realized losses $ 119 $ 196