Business Segments - Schedule of Business Segments Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting [Abstract]
Adjusted EBITDA	$ 11,608	$ 12,243	$ 31,822	$ 27,779
Depreciation and amortization	(3,090)	(3,265)	(8,939)	(10,438)
Stock-based compensation expense	(1,784)	(801)	(3,925)	(3,624)
Goodwill impairment	0	(27,887)	0	(27,887)
Intangible and long-lived asset impairment	0	(16,818)	0	(16,818)
Stock appreciation rights market-to-market	(248)	0	(294)	0
Restructuring charges	(3,055)	(3,142)	(10,687)	(3,142)
Senior leadership transition and other employee-related costs	0	(1,153)	0	(1,153)
Obsolete retail inventory	0	(950)	0	(950)
Professional fees related to control remediation	(378)	(1,358)	(918)	(1,895)
Executive search fees	0	0	(80)	(235)
Professional fees related to ASC 606 implementation	0	0	0	(1,092)
Sales and use tax audit	0	0	(1,235)	0
Other professional fees	(967)	(81)	(1,343)	(162)
Income (loss) from operations	2,086	(43,212)	4,401	(39,617)
Interest income	37	19	239	135
Interest expense	(4,376)	(1,769)	(9,608)	(4,854)
Other, net	(1,736)	(301)	(2,196)	(1,734)
Loss before income taxes	$ (3,989)	$ (45,263)	$ (7,164)	$ (46,070)