REVENUE - Schedule of Certain Information Relates to Contract Liabilities (Details) $ in Thousands	3 Months Ended
Jun. 30, 2019 USD ($)
Contract liabilities (deferred revenue)	$ 119,977
Revenue recognized in the period from amounts included in contract liabilities at the beginning of the period	$ 28,527

Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

No definition available.

Name:	us-gaap_DeferredRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant