Basis of Presentation - Additional Information (Detail 1) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2018-07-01	3 Months Ended
	Jun. 30, 2018
Company And Summary Of Significant Accounting Policies [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
Revenue, remaining performance obligation, expected timing of satisfaction, explanation	Company expects to recognize approximately 50% over the next twelve months, with the balance recognized thereafter
Revenue, remaining performance obligation, percentage	50.00%