Revenue from Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2019	Apr. 01, 2018	Mar. 31, 2018
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings	[1]	$ 111,621		$ 78,708
Capitalized commission costs		19,597
Commission expenses		6,292
Prepaid Expenses And Other Current Assets
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Capitalized commission costs		4,816
Other Noncurrent Assets
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Capitalized commission costs		14,781
Adoption of ASC 606
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings			$ 87,127
Adoption of ASC 606 | ASC 606 Transition Adjustments
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings		(15,236)	$ 8,419
Revenue, Remaining Performance Obligation, Amount		$ 451,100
Percentage of revenue expected to recognize as services rendered and goods delivered		10.00%
Percentage of revenue expected to recognize over next 12 months		45.00%

[1] Includes cumulative effect adjustment related to the adoption of ASC 606, as defined in Note 3. See Note 3 for additional details.