SEGMENT AND GEOGRAPHIC DISCLOSURES - Geographic Breakdown of Revenues and Total Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues from External Customers [Line Items]
Discontinued operations revenue	$ (29,441)	$ (19,531)	$ (88,704)	$ (59,858)
Total Revenues	247,780	217,410	717,621	650,901
Continuing Operations
Revenues from External Customers [Line Items]
Total Revenues	218,339	197,879	628,917	591,043
United States
Revenues from External Customers [Line Items]
Total Revenues	173,890	143,636	497,236	447,932
Canada
Revenues from External Customers [Line Items]
Total Revenues	28,193	30,465	84,704	81,110
Europe
Revenues from External Customers [Line Items]
Total Revenues	24,869	27,122	75,546	82,098
Other foreign countries
Revenues from External Customers [Line Items]
Total Revenues	$ 20,828	$ 16,187	$ 60,135	$ 39,761