Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 18,953	$ 26,949	$ 88,000	$ 79,981
Other comprehensive income (loss):
Foreign currency translation gain (loss)	7,116	(2,045)	(30,610)	(3,443)
Change in fair value of available for sale securities	299		299
Total other comprehensive income (loss)	7,415	(2,045)	(30,311)	(3,443)
Comprehensive income	26,368	24,904	57,689	76,538
Less: comprehensive income attributable to non-controlling interest	5,215	3,522	8,902	6,639
Comprehensive income attributable to Iconix Brand Group, Inc.	$ 21,153	$ 21,382	$ 48,787	$ 69,899