Revenue Recognition - Summary of Revenues Disaggregated by License Type (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 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		$ 34,394	$ 50,212	$ 70,336	$ 98,761
Direct To Retail License
Disaggregation Of Revenue [Line Items]
Total revenue		10,364	20,094	20,117	41,307
Wholesale License
Disaggregation Of Revenue [Line Items]
Total revenue		23,746	29,418	49,551	54,557
Other Licenses
Disaggregation Of Revenue [Line Items]
Total revenue	[1]	$ 284	$ 700	$ 668	$ 2,897

[1] Included in Other licenses for the Current Quarter, Current Six Months, Prior Year Quarter and Prior Year Six Months is $0.2 million, $0.6 million, $0.6 million, and $2.6 million, respectively, of revenue associated with the Umbro business purchases discussed above.