INCOME TAXES - SCHEDULE OF COMPONENTS OF INCOME TAX EXEPENSE (BENEFIT) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current income tax provision (benefit):
Federal	$ (443)	$ 13,440	$ 2,901
State	21	2,274	601
Foreign	(334)	(161)	1,725
Current income tax (benefit) provision	(756)	15,553	5,227
Deferred income tax benefit
Federal	(38,587)	(2,483)	(2,823)
State	(8,467)	(775)	(557)
Foreign	(1,296)	(461)	(89)
Deferred income tax benefit	(48,350)	(3,719)	(3,469)
Income tax (benefit) provision	$ (49,106)	$ 11,834	$ 1,758