OTHER INCOME (EXPENSE), NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other Income and Expenses [Abstract]
Gain on early extinguishment of debt	$ 5,637	$ 5,464	$ 3,836
Expenses related to the purchase of available for sale securities	0	(3,356)	0
Loss on HLSS equity securities and dividends received, net	0	0	(1,854)
Interest income	270	91	133
Other, net	2,015	1,431	76
Total	$ 7,922	$ 3,630	$ 2,191