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SECURITIES - Additional Information - (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Available for sale securities        
Gross proceeds from sales of securities $ 956 $ 7,615 $ 56,441 $ 85,738
Gross gains realized on sales 1 23 153 144
Gross losses realized on sales 10 0 140 0
Tax provision related to net realized gains $ (3) $ 8 $ 5 $ 50