Balance Sheet Components - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Property Plant And Equipment [Line Items]
Depreciation and amortization	$ 4,300,000	$ 4,600,000	$ 8,402,000	$ 9,621,000
Disposals of Property and Equipment.	2,300		2,300
Internal Use Software
Property Plant And Equipment [Line Items]
Amortization and impairment of internal-use software including capitalized stock based compensation expense	700,000	500,000	1,300,000	800,000
Stock-based compensation expense capitalized to internal-use software	100,000	100,000	200,000	100,000
Impairment to internal-use software	$ 0	$ 200,000	$ 0	$ 400,000