SEGMENT INFORMATION (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 18, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Net revenues			$ 75,248	$ 61,562	$ 157,880	$ 126,305
Segment Adjusted EBITDA			21,141	14,817	40,855	27,377
Unallocated			(2,873)	(1,857)	(4,991)	(4,324)
Adjustments to reconcile to U.S. GAAP loss from continuing operations before income taxes
Depreciation and amortization			(7,823)	(6,950)	(15,194)	(13,791)
Interest expense			(6,394)	(4,647)	(11,861)	(8,917)
Income tax provision			5,166	1,537	6,173	2,800
Cost of COVID-19			(1,127)	(3,654)	(2,311)	(4,518)
Sales and use tax			(2,570)	(1,720)	(3,968)	(3,455)
Non-cash stock compensation expense			(1,083)	(703)	(2,073)	(3,926)
Transaction related costs			(1,556)	(52)	(2,642)	(197)
Acquisition bonus expense – HealthScape and Pareto acquisition			(96)	(513)	(289)	(994)
Loss on extinguishment of debt	$ (5,000)		(5,015)	0	(5,015)	0
Director and officer prior act liability insurance policy	$ (7,900)	$ (7,900)	(7,861)	0	(7,861)	0
Other			(3,052)	(2,285)	(4,900)	(3,009)
Net loss from continuing operations			(13,143)	(6,027)	(14,077)	(12,954)
Technology Enabled Solutions
Segment Reporting Information [Line Items]
Net revenues			61,366	52,103	130,949	106,794
Segment Adjusted EBITDA			15,877	13,229	32,253	25,108
Advisory Services
Segment Reporting Information [Line Items]
Net revenues			13,882	9,459	26,931	19,511
Segment Adjusted EBITDA			$ 5,264	$ 1,588	$ 8,602	$ 2,269