Joint Ventures to Develop and Market Company's Brands (Detail)		12 Months Ended
		Dec. 31, 2016		Dec. 31, 2014	Mar. 31, 2014
LC Partners US
Business Acquisition [Line Items]
Date Created	[1]	2014-03
Iconix’s Investment		100.00%	[1]		50.00%
Iconix Middle East
Business Acquisition [Line Items]
Date Created	[2]	2014-12
Iconix’s Investment		55.00%	[2]	50.00%
Umbro China
Business Acquisition [Line Items]
Date Created		2016-07
Iconix’s Investment		95.00%
Danskin China
Business Acquisition [Line Items]
Date Created	[3]	2016-10
Iconix’s Investment	[3]	100.00%

[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.

[3] In October 2016, the Company formed the Danskin China Limited as a wholly-owned indirect subsidiary to hold the Danskin trademarks and related assets in respect of mainland China and Macau. The Company entered into an agreement with Li-Ning (China) Sports Goods Co., Ltd. who will purchase up to a 50% interest (and no less than a 30% interest) in Danskin China Limited. The purchase of the equity interest is expected to occur over a three-year period commencing on March 31, 2019. Refer to Note 3 for further details. As of December 31, 2016, the Company’s ownership interest in Danskin China Limited was 100%.