Revenue Recognition - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Total net revenue	$ 36,675	$ 41,987	$ 100,840	$ 121,099
Revenue recognized	9,100	8,600	38,100	34,600
Transfers to accounts receivable	100	200	1,800	2,700
Capitalized contract cost, net	3,000	3,300	3,000	3,300
Capitalized Contract Cost, Amortization	300	300	1,100	1,000
Sales Commissions and Fees	700	1,300	2,000	3,500
Products
Disaggregation of Revenue [Line Items]
Total net revenue	7,599	12,126	19,396	34,868
Support, Maintenance, Subscription Services, And Professional Services [Member]
Disaggregation of Revenue [Line Items]
Total net revenue	$ 29,100	$ 81,400	$ 29,900	$ 86,200