Basis of Presentation and Significant Accounting Policies - Summary of Changes in Deferred Revenue from Contracts with Customers (Detail) $ in Thousands	3 Months Ended
	Jun. 30, 2020 USD ($)
Deferred Revenue Disclosure [Abstract]
Balance at beginning of period	$ 5,604
Deferral of revenue	5,078
Recognition of deferred revenue	(5,018)
Balance at end of period	$ 5,664