OTHER INCOME (EXPENSE), NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
Interest income	$ 114	$ 342	$ 740
Loss on debt refinancing	0	0	(4,434)
Other, net	261	1,006	1,824
Total	$ 375	$ 1,348	$ (1,870)