Revenue from Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
		Dec. 31, 2018	Dec. 31, 2018	Apr. 01, 2018	Mar. 31, 2018
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings	[1]	$ 107,693	$ 107,693		$ 78,708
Capitalized commission costs			15,753
Commission expenses		1,414	4,278
Prepaid Expenses And Other Current Assets
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Capitalized commission costs			3,770
Other Noncurrent Assets
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Capitalized commission costs			11,983
Accounting Standards Update 2014-09
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings				$ 87,127
Accounting Standards Update 2014-09 | ASC 606 Transition Adjustments
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings		(12,568)	(12,568)	$ 8,419
Revenue, Remaining Performance Obligation, Amount		$ 456,000	$ 456,000
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		46.00%	46.00%

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