Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ (188,930)	$ 118,822	$ 117,292
Other comprehensive income (loss):
Foreign currency translation gain (loss)	(36,004)	(40,672)	16,486
Change in fair value of available for sale securities	(703)
Total other comprehensive income (loss)	(36,707)	(40,672)	16,486
Comprehensive income (loss)	(225,637)	78,150	133,778
Less: comprehensive income attributable to non-controlling interest	373	15,099	12,303
Comprehensive (loss) income attributable to Iconix Brand Group, Inc.	$ (226,010)	$ 63,051	$ 121,475