Segment Information - Reconciliation of Segment Measure to Income (Loss) Before Benefit from Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Total	$ 13,895	$ 8,538	$ 19,448	$ 13,610
Interest Expense, net	(5,260)	(1,181)	(7,853)	(2,460)
Income tax benefit	1,759	1,712	4,911	896
Depreciation and Amortization	(9,784)	(6,401)	(17,344)	(12,850)
Stock-based compensation	(1,140)	(1,294)	(2,290)	(2,522)
Start-up losses and investment in new services	(296)	(143)	(675)	(457)
Acquisition costs	(2,454)	(857)	(3,761)	(1,072)
Fair value changes in contingent put option	22,602		(7,025)
Fair value changes in warrant options	(4)	(1,549)	(2)	(1,549)
Fair value changes in compound embedded option	(756)		(756)
Fair value changes in contingent liabilities	(3,983)	926	(3,983)	926
Short term purchase accounting fair value adjustment to deferred revenue			(243)
IPO preparation costs		(73)	(531)	(86)
Discontinued services	(1,078)		(7,496)
Other expenses			(147)
Expenses related to financing transactions	(277)		(277)
Net Income (Loss)	$ 13,224	$ (322)	$ (28,024)	$ (5,564)