The Company and a Summary of Its Significant Accounting Policies - Additional Information (Detail 1)	12 Months Ended
	Mar. 31, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-04-01
Company And Summary Of Significant Accounting Policies [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, explanation	Company expects to recognize a little over half over the next twelve months, with the balance recognized thereafter