INCOME TAXES - SCHEDULE OF INCOME TAX PROVISIONS (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income (loss) before benefit (provision) for income taxes	$ (8,623)	$ (7,920)	$ (19,524)	$ 62,416
Benefit (provision) for income taxes	$ 3	$ 162	$ (112)	$ (291)
Effective tax rate	0.00%	2.00%	(0.60%)	0.50%