SEGMENT AND GEOGRAPHIC DISCLOSURES - Geographic Breakdown of Revenues and Total Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues from External Customers [Line Items]
Total Revenues	$ 251,265	$ 238,873	$ 469,841	$ 433,491
Total Long-lived Assets	299,326	329,210	299,326	329,210
United States
Revenues from External Customers [Line Items]
Total Revenues	171,665	162,465	323,346	304,296
Total Long-lived Assets	258,559	282,706	258,559	282,706
Canada
Revenues from External Customers [Line Items]
Total Revenues	36,193	34,152	56,511	50,647
Total Long-lived Assets	9,198	9,309	9,198	9,309
Europe
Revenues from External Customers [Line Items]
Total Revenues	26,554	29,264	50,677	54,975
Total Long-lived Assets	20,920	24,755	20,920	24,755
Other foreign countries
Revenues from External Customers [Line Items]
Total Revenues	16,853	12,992	39,307	23,573
Total Long-lived Assets	$ 10,649	$ 12,440	$ 10,649	$ 12,440