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Securities - Schedule of Sales of Securities (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Investments, Debt and Equity Securities [Abstract]        
Proceeds from sales of securities $ 2,857 $ 9,848
Gross gains from sale of securities 17 45
Gross losses from sale of securities
Net gain from sales of securities $ 17 $ 45