Basis of Presentation - Additional Information (Detail 1)	6 Months Ended
	Sep. 30, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-10-01
Company And Summary Of Significant Accounting Policies [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, explanation	Company expects to recognize approximately half over the next twelve months, with the balance recognized thereafter