STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	3 Months Ended		32 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Jul. 30, 2015
Equity, Class of Treasury Stock [Line Items]
Authorized amount of stock repurchase program				$ 10,000
Stock Repurchased and Retired During Period, Shares			3,639,405
Purchase of treasury stock	$ 0	$ 329	$ 7,370