Revenue Recognition - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Total net revenue	$ 29,807	$ 38,389
Revenue recognized	17,500	15,600
Transfers to accounts receivable	1,400	2,000
Capitalized contract cost, net	3,200	3,300
Capitalized Contract Cost, Amortization	400	300
Sales Commissions and Fees	600	1,000
Products
Disaggregation of Revenue [Line Items]
Total net revenue	5,239	10,869
Support, Maintenance, Subscription Services, And Professional Services [Member]
Disaggregation of Revenue [Line Items]
Total net revenue	$ 24,600	$ 27,500