Unaudited Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 3,445	$ (75,138)	$ 24,751	$ (44,522)
Other comprehensive (loss) income:
Foreign currency translation (loss) gain	1,121	(5,541)	(603)	(2,780)
Total other comprehensive (loss) income	1,121	(5,541)	(603)	(2,780)
Comprehensive income (loss)	4,566	(80,679)	24,148	(47,302)
Less: comprehensive income attributable to non-controlling interest	2,174	4,291	5,535	7,148
Comprehensive income (loss) attributable to Iconix Brand Group, Inc.	$ 2,392	$ (84,970)	$ 18,613	$ (54,450)

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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