INCOME TAXES - Schedule of Income Before Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Domestic	$ (35,032)	$ 32,475	$ (6,979)
Foreign	16,373	19,710	(25,460)
Income before income tax expense	$ (18,659)	$ 52,185	$ (32,439)