Business Segments - Schedule of Business Segments Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		10 Months Ended	22 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2017
Segment Reporting [Abstract]
Adjusted EBITDA	$ 18,775	$ 16,920	$ 47,688	$ 43,407
Depreciation and amortization	(3,317)	(5,066)	(9,403)	(14,382)
Stock-based compensation expense	(2,375)	(1,740)	(5,296)	(4,097)
Change in fair value of contingent consideration	167	(788)	(677)	(9,975)
Restructuring and other charges	0	(466)	0	(4,433)	$ (5,500)	$ (6,700)
Business Development Costs	(715)	0	(715)	0
Professional Fees	(300)	0	(300)	0
Income from operations	12,235	8,860	31,297	10,520
Interest income	31	26	77	63
Interest expense	(1,198)	(1,191)	(3,239)	(3,252)
Other, net	427	(114)	(962)	16
Income before income taxes	$ 11,495	$ 7,581	$ 27,173	$ 7,347