CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($)	Total Sequential Brands Group, Inc. and Subsidiaries Stockholders' Equity	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Treasury stock						$ (1,799,000)		$ (1,799,000)
Treasury stock, shares						(424,994)		(424,994)
Balance at Dec. 31, 2017	$ 281,991,000	$ 635,000	$ 508,444,000	$ 80,000	$ (225,369,000)		$ 71,547,000	$ 353,538,000
Balance (in shares) at Dec. 31, 2017		63,652,721
Stock-based compensation	3,615,000	$ 16,000	3,599,000					3,615,000
Stock-based compensation (in shares)		1,717,185
Unrealized gain on interest rate cap	441,000			441,000				441,000
Repurchase of common stock	(2,002,000)					$ (2,002,000)		(2,002,000)
Repurchase of common stock (in shares)						(1,029,527)
Noncontrolling interest distribution							(4,187,000)	(4,187,000)
Net income attributable to noncontrolling interest							3,062,000	3,062,000
Net loss attributable to common stockholders	1,323,000				1,323,000			1,323,000
Unrealized loss on available-for-sale securities	(228,000)			(228,000)				(228,000)
Balance at Jun. 30, 2018	286,270,000	$ 651,000	$ 512,043,000	$ 293,000	(222,916,000)		70,777,000	357,047,000
Balance (in shares) at Jun. 30, 2018		65,369,906
Cumulative effect of revenue recognition accounting change	$ 1,130,000				$ 1,130,000		$ 355,000	1,485,000
Treasury stock						$ (3,801,000)		$ (3,801,000)
Treasury stock, shares						(1,454,521)		(1,454,521)