Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Related Party Amounts	$ 25,000
Accounts Receivable [Member]
Related Party Amounts	(25,000)	$ (25,000)
Accounts Payable [Member]
Related Party Amounts	(4,422)	(1,617)
Accrued Expenses And Other Current Liabilities [Member]
Related Party Amounts	5,545	(790)
Deferred Revenue [Member]
Related Party Amounts	3,788	3,333
Exercise Of Stock Options [Member]
Related Party Amounts	0	34,710
PIPE [Member]
Related Party Amounts	$ 25,000	$ 0