STOCK REPURCHASE PROGRAM (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Nov. 03, 2011
Equity [Abstract]
Authorized amount of stock repurchase program			$ 15,000
Stock repurchased and retired during period, shares	67,974	17,300
Average cost per share of stock repurchased	$ 27.34	$ 22.14