Revenue Recognition - Summary of Revenues Disaggregated by License Type (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation Of Revenue [Line Items]
Type of Revenue [Extensible List]	us-gaap:LicenseMember	us-gaap:LicenseMember	us-gaap:LicenseMember	us-gaap:LicenseMember
Total revenue	$ 35,471	$ 46,224	$ 105,806	$ 144,984
Direct To Retail License
Disaggregation Of Revenue [Line Items]
Total revenue	11,146	19,344	31,263	60,651
Wholesale License
Disaggregation Of Revenue [Line Items]
Total revenue	24,206	26,682	73,758	81,238
Other Licenses
Disaggregation Of Revenue [Line Items]
Total revenue	$ 119	$ 198	$ 785	$ 3,095