INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Income Tax Provision [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	35.00%
Deferred Tax Liabilities, Undistributed Foreign Earnings	$ 1,646		$ 1,646
Total accrued income tax related interest and penalties	371		371		$ 327
Total amount of unrecognized tax benefits	$ 17,774		$ 17,774		$ 11,532
Effective income tax rate (as a percent)	0.00%	20.00%	0.00%	20.00%
State and Local Jurisdiction [Member]
Income Tax Provision [Line Items]
Income Tax Examination, Description			one
Foreign Tax Authority [Member]
Income Tax Provision [Line Items]
Income Tax Examination, Description			one