OTHER INCOME (EXPENSE), NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Income and Expenses [Abstract]
Loss on debt refinancing	$ (4,434)	$ 0	$ 0
Gain on early extinguishment of debt	0	5,637	5,464
Expenses related to the purchase of investment in equity securities	0	0	(3,356)
Interest income	740	270	91
Other, net	1,824	2,015	1,431
Total	$ (1,870)	$ 7,922	$ 3,630