REVENUE - Summary of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Mar. 31, 2020
Revenue From Contract With Customer [Abstract]
Accounts receivable, net	$ 17,019	$ 10,427
Contract assets	3,260	1,082
Contract liabilities	$ 141	$ 31

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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