Joint Ventures to Develop and Market Company's Brands (Parenthetical) (Detail)	1 Months Ended
	Oct. 31, 2016	Dec. 31, 2016		Dec. 31, 2014	Mar. 31, 2014
LiNing
Business Acquisition [Line Items]
Business acquisition completion period	3 years
Equity interest acquisition commencement date	Mar. 31, 2019
LiNing | Maximum
Business Acquisition [Line Items]
Aggregate percentage of interest in newly registered company in Hong Kong	50.00%
LiNing | Minimum
Business Acquisition [Line Items]
Aggregate percentage of interest in newly registered company in Hong Kong	30.00%
LC Partners US
Business Acquisition [Line Items]
Iconix’s Investment		100.00%	[1]		50.00%
LC Partners US | Rise Partners, LLC
Business Acquisition [Line Items]
Iconix’s Investment		50.00%
Iconix Middle East
Business Acquisition [Line Items]
Iconix’s Investment		55.00%	[2]	50.00%
Iconix Middle East | Global Brands Group Asia Limited
Business Acquisition [Line Items]
Iconix’s Investment		5.00%

[1] At formation of the joint venture in March 2014, the Company had a 50% ownership interest in LC Partners US. In December 2016, the Company entered into an agreement with Rise Partners, LLC (“Rise Partners”) to acquire the remaining 50% ownership interest in LC Partners US. As of December 31, 2016, the Company has a 100% ownership interest in this entity.

[2] At formation of the joint venture in December 2014, the Company had a 50% ownership interest in Iconix Middle East. In December 2016, the Company irrevocably exercised its call option to acquire an additional 5% ownership interest from Global Brands Group Asia Limited (“GBG”) in order to increase the Company’s ownership interest in Iconix Middle East to 55%. Such acquisition closed in February 2017.