Joint Ventures and Investments - Amounts Due from Such Joint Venture Partners Remain Recorded on Consolidated Balance Sheet (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Buffalo Brand Joint Venture
Schedule Of Investments [Line Items]
Joint Venture Partner	Buffalo International	[1]
Buffalo Brand Joint Venture | Other Assets - Current
Schedule Of Investments [Line Items]
Joint Venture Partner	Buffalo International
Amount	$ 2,516
Iconix India
Schedule Of Investments [Line Items]
Joint Venture Partner	Reliance Brands Ltd.	[2],[3]
Iconix India | Other Assets - Current
Schedule Of Investments [Line Items]
Joint Venture Partner	Reliance Brands Ltd.
Amount	$ 1,000
Iconix Israel, LLC | Noncontrolling Interest
Schedule Of Investments [Line Items]
Joint Venture Partner	MGS
Amount	$ 195

[1] The Company determined, in accordance with ASC 810, based on the corporate structure, voting rights and contributions of the Company and its respective joint venture partner, the entity is a variable interest entity (VIE) and, as the Company has been determined to be the primary beneficiary, is subject to consolidation. The Company has consolidated this joint venture within its consolidated financial statements since inception. The liabilities of the VIE are not material and none of the VIE assets are encumbered by any obligation of the VIE or other entity.

[2] Refer to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016 for material terms of the put and call options associated with the Company’s joint venture.

[3] The Company determined, in accordance with ASC 810, based on the corporate structure, voting rights and contributions of the Company and its respective joint venture partner, that the joint venture is not a VIE and not subject to consolidation. The Company has recorded its investment under the equity method of accounting since inception.