Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net loss from continuing operations	$ (89,669)	$ (557,455)
Other comprehensive income (loss):
Foreign currency translation (loss) gain	(4,965)	19,632
Change in fair value of available for sale securities	(400)	(484)
Total other comprehensive (loss) income	(4,965)	19,148
Comprehensive loss	(94,634)	(538,307)
Less: comprehensive income (loss) from continuing operations attributable to non-controlling interest	10,852	(22,177)
Comprehensive loss from continuing operations attributable to Iconix Brand Group, Inc.	$ (105,486)	$ (516,130)

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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