CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net revenue	$ 20,231	$ 25,524
Operating expenses	17,707	15,546
Impairment charges	85,590
(Loss) income from operations	(83,066)	9,978
Other expense (income)	(2,879)	402
Interest expense, net	12,443	13,853
Loss from continuing operations before income taxes	(98,388)	(3,473)
Benefit from income taxes	(1,083)	(241)
Loss from continuing operations	(97,305)	(3,232)
Net loss (income) attributable to noncontrolling interests from continuing operations	12,006	(1,539)
Loss from continuing operations attributable to Sequential Brands Group, Inc. and Subsidiaries	(85,299)	(4,771)
Loss from discontinued operations, net of income taxes	(1,314)	(120,574)
Net loss attributable to Sequential Brands Group, Inc. and Subsidiaries	$ (86,613)	$ (125,345)
Loss per share from continuing operations:
Basic and diluted	$ (1.30)	$ (0.07)
Loss per share from discontinued operations:
Basic and diluted	(0.02)	(1.88)
Weighted-average common shares outstanding:
Earnings (loss) per share, Basic and Diluted	$ (1.32)	$ (1.95)
Basic and diluted ( in shares)	65,424,308	64,221,687