Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 17,074	$ 18,953	$ 40,192	$ 88,000
Other comprehensive income (loss):
Foreign currency translation gain (loss)	(7,526)	7,116	4,956	(30,610)
Change in fair value of available for sale securities	(249)	299	(2,227)	299
Total other comprehensive income (loss)	(7,775)	7,415	2,729	(30,311)
Comprehensive income	9,299	26,368	42,921	57,689
Less: comprehensive income attributable to non-controlling interest	5,492	5,215	9,997	8,902
Comprehensive income attributable to Iconix Brand Group, Inc.	$ 3,807	$ 21,153	$ 32,924	$ 48,787