Revenue from Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Revenue From Contract With Customer [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 548,800	$ 483,200
Percentage of revenue expected to recognize as services rendered and goods delivered	9.00%	9.00%
Percentage of revenue expected to recognize over next 12 months	53.00%	50.00%
Contract liability balance or invoiced to customers	$ 74,097	$ 70,779
Capitalized commission costs	28,503	24,590
Commission expenses	11,236	8,006	$ 6,292
Prepaid Expenses And Other Current Assets
Revenue From Contract With Customer [Line Items]
Capitalized commission costs	9,399	7,053
Other Noncurrent Assets
Revenue From Contract With Customer [Line Items]
Capitalized commission costs	$ 19,104	$ 17,537
Minimum
Revenue From Contract With Customer [Line Items]
Capitalized contract cost, amortization period	1 year
Maximum
Revenue From Contract With Customer [Line Items]
Capitalized contract cost, amortization period	5 years