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Investment Securities (Details 2) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Investments Debt And Equity Securities [Abstract]        
Gains realized on sales $ 133 $ 0 $ 623 $ 8
Losses realized on sales (21) 0 (21) 0
Other-than-temporary impairment recognized 0 0 0 0
Investment securities gains $ 112 $ 0 $ 602 $ 8