Unaudited Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net loss from continuing operations	$ (75,138)	$ (9,948)	$ (44,522)	$ (2,750)
Other comprehensive (loss) income:
Foreign currency translation (loss) gain	(5,541)	11,917	(2,780)	14,546
Change in fair value of available for sale securities		(100)		(670)
Total other comprehensive (loss) income	(5,541)	11,817	(2,780)	13,876
Comprehensive (loss) income	(80,679)	1,869	(47,302)	11,126
Less: comprehensive income attributable to non-controlling interest from continuing operations	4,291	3,904	7,148	6,386
Comprehensive (loss) income from continuing operations attributable to Iconix Brand Group, Inc.	$ (84,970)	$ (2,035)	$ (54,450)	$ 4,740

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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