OTHER EXPENSE (INCOME), NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other Income and Expenses [Abstract]
Foreign exchange losses (gains)	$ 1,781	$ 3,725	$ (9,130)
Other, net	113	(360)	(44)
Other expense (income), net	$ 1,894	$ 3,365	$ (9,174)