SEGMENT AND GEOGRAPHIC INFORMATION - Total Revenue by Major Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Total Revenues	$ 376,638	$ 360,071
United States
Segment Reporting Information [Line Items]
Total Revenues	263,351	247,793
Europe
Segment Reporting Information [Line Items]
Total Revenues	43,744	45,819
Asia Pacific
Segment Reporting Information [Line Items]
Total Revenues	47,717	47,295
Rest of World
Segment Reporting Information [Line Items]
Total Revenues	$ 21,826	$ 19,164