OTHER INCOME, NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Income and Expenses [Abstract]
Foreign exchange losses (gains)	$ (1,965)	$ 1,781	$ 3,725
Net periodic benefit income	(7,107)	(9,594)	(5,800)
Other, net	(532)	113	(360)
Other income, net	$ (9,604)	$ (7,700)	$ (2,435)