Balance Sheet Components - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Property Plant And Equipment [Line Items]
Depreciation	$ 3,900,000	$ 4,300,000	$ 12,300,000	$ 14,000,000.0
Amortization Of Intangible Assets	3,000,000.0		3,000,000.0
Intangible Assets					$ 0
Internal Use Software
Property Plant And Equipment [Line Items]
Amortization and impairment of internal-use software including capitalized stock based compensation expense	800,000	600,000	2,100,000	1,400,000
Stock-based compensation expense capitalized to internal-use software	100,000	100,000	300,000	200,000
Impairment to internal-use software	$ 0	$ 0	$ 0	$ 400,000