Related Party Transactions - Summary of Royalty Revenue Recognized (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
Royalty revenue		$ 148,984	$ 187,689
Royalty
Related Party Transaction [Line Items]
Royalty revenue		4,348	28,486
Royalty | Global Brands Group Asia Limited
Related Party Transaction [Line Items]
Royalty revenue	[1],[2]		19,544
Royalty | Rise Partners, LLC / Top On International Group Limited
Related Party Transaction [Line Items]
Royalty revenue			977
Royalty | M.G.S. Sports Trading Limited
Related Party Transaction [Line Items]
Royalty revenue		440	610
Royalty | Sports Direct International plc
Related Party Transaction [Line Items]
Royalty revenue		1,188	915
Royalty | Pac Brands USA, Inc.
Related Party Transaction [Line Items]
Royalty revenue		363	246
Royalty | Albion Equity Partners LLC / GL Damek
Related Party Transaction [Line Items]
Royalty revenue		2,350	2,644
Royalty | Anthony L&S
Related Party Transaction [Line Items]
Royalty revenue			623
Royalty | MHMC
Related Party Transaction [Line Items]
Royalty revenue		$ 7	$ 2,927

[1] As detailed in Note 4, as of July 2019, MHMC is no longer a related party.

[2] Prior to 2019, Global Brand Group Asia Limited maintained the Buffalo and Zoo York license agreements. However, in October 2018, Centric Brands Inc. acquired a significant portion of Global Brands Group Asia Limited’s North American licensing business. The Company’s license agreement for the Buffalo and Zoo York brands in the United States are now maintained with Centric Brands Inc. which is not a related party or affiliated entity to the Company.