Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital UNITED STATES	Retained Earnings	AOCI Attributable to Parent	Treasury Stock	Noncontrolling Interest	Noncontrolling Interest UNITED STATES
Beginning Balance at Dec. 31, 2014	$ 951,437	$ 79	$ 940,922		$ 713,819	$ (24,186)	$ (812,429)	$ 133,232
Beginning Balance (in shares) at Dec. 31, 2014		79,263,000
Issuance of common stock related to acquisition of interest in joint venture	15,703		15,703
Issuance of common stock related to acquisition of interest in joint venture (in shares)		465,000
Shares issued on vesting of restricted stock	1	$ 1
Shares issued on vesting of restricted stock (in shares)		806,000
Purchase of minority interest in joint venture	18,371			$ 3,620					$ 14,751
Shares issued on exercise of stock options and warrants	$ 321		321
Shares issued on exercise of stock options and warrants (in shares)	75,000	75,000
Tax benefit of stock option exercises	$ 2,006		2,006
Compensation expense in connection with restricted stock and stock options	11,449		11,449
Shares repurchased on the open market	(12,391)						(12,391)
Shares repurchased on vesting of restricted stock and exercise of stock options	(12,359)						(12,359)
Non-controlling interest of acquired companies	(9,168)							(9,168)
Clawback of shares from settlement with former management	(12,391)
Payments from non-controlling interest holders	3,523							3,523
Change in redemption value of redeemable non-controlling interest holders	(5,015)				(5,015)
Change in fair value of available for sale securities	(703)					(703)
Net income (loss)	(188,930)				(186,514)			(2,416)
Foreign currency translation	(36,004)					(36,004)
Distributions to joint venture partners	(22,080)				(4,740)			(17,340)
Ending Balance at Dec. 31, 2015	716,161	$ 80	974,021		517,550	(60,893)	(837,179)	122,582
Ending Balance (in shares) at Dec. 31, 2015		80,609,000
Shares issued on vesting of restricted stock	2	$ 2
Shares issued on vesting of restricted stock (in shares)		1,700,000
Tax benefit of stock option exercises and restricted stock vestings	445		445
Purchase of minority interest in joint venture	$ 1,114			$ 1,114
Shares issued on exercise of stock options and warrants (in shares)	0
Compensation expense in connection with restricted stock and stock options	$ 6,805		6,805
Shares issued on repurchase of convertible notes	51,325	$ 7	51,318
Shares issued on repurchase of convertible notes (in shares)		7,408,000
Repurchase of equity portion of convertible notes	(1,164)		(1,164)
Shares repurchased on vesting of restricted stock and exercise of stock options	(620)						(620)
Sale of minority interest in Umbro China	2,500		718					1,782
Clawback of shares from settlement with former management	(5,153)						(5,153)
Payments from non-controlling interest holders	505							505
Tax effect of repurchase of convertible notes	413		413
Tax benefit related to amortization of convertible notes' discount	154		154
Change in redemption value of redeemable non-controlling interest holders	(97)				(97)
Change in fair value of available for sale securities	(1,990)					(1,990)
Net income (loss)	(249,508)				(252,134)			2,626
Foreign currency translation	(7,640)		(95)			(7,545)
Distributions to joint venture partners	(18,608)				(7,615)			(10,993)
Ending Balance at Dec. 31, 2016	494,644	$ 89	1,033,729		257,704	(70,428)	(842,952)	116,502
Ending Balance (in shares) at Dec. 31, 2016		89,717,000
Shares issued on vesting of restricted stock	$ 1	$ 1
Shares issued on vesting of restricted stock (in shares)		442,000
Shares issued on exercise of stock options and warrants (in shares)	0
Compensation expense in connection with restricted stock and stock options	$ 9,168		9,168
Shares repurchased on vesting of restricted stock and exercise of stock options	(1,078)						(1,078)
Additional paid in capital associated with purchase of additional interest in Iconix Canada joint venture	1,478		1,478
Write off of accretion expense due to deconsolidation of joint venture	4,527				4,527
Deferred intercompany charge	(191)				(191)
Payments from non-controlling interest holders	2,925							2,925
Elimination of non-controlling interest related to sale of the Entertainment segment	(36,907)							(36,907)
Elimination of non-controlling interest related to purchase of additional interest in Iconix Canada joint venture	(19,530)							(19,530)
Elimination of non-controlling interest related to the sale of NGX	(2,529)							(2,529)
Tax benefit related to amortization of convertible notes' discount	124		124
Change in redemption value of redeemable non-controlling interest holders	3,495				3,495
Change in fair value of available for sale securities	(484)					(484)
Net income (loss)	(508,487)				(489,253)			(19,234)
Foreign currency translation	19,651		19			19,632
Distributions to joint venture partners	(17,783)							(17,783)
Ending Balance at Dec. 31, 2017	$ (50,976)	$ 90	$ 1,044,518		$ (223,718)	$ (51,280)	$ (844,030)	$ 23,444
Ending Balance (in shares) at Dec. 31, 2017		90,159,000