REVENUE - Geographic Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 376,307	$ 313,499
Percent of total revenue	100.00%	100.00%
U.S.
Disaggregation of Revenue [Line Items]
Revenue	$ 217,272	$ 194,568
Other Americas
Disaggregation of Revenue [Line Items]
Revenue	45,751	11,901
United Kingdom (“U.K.”)
Disaggregation of Revenue [Line Items]
Revenue	30,932	28,212
Europe (excluding U.K.), Middle East, and Africa
Disaggregation of Revenue [Line Items]
Revenue	49,136	51,659
Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	$ 33,216	$ 27,159
Total revenue | U.S. | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percent of total revenue	58.00%	62.00%
Total revenue | Other Americas | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percent of total revenue	12.00%	4.00%
Total revenue | United Kingdom (“U.K.”) | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percent of total revenue	8.00%	9.00%
Total revenue | Europe (excluding U.K.), Middle East, and Africa | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percent of total revenue	13.00%	16.00%
Total revenue | Asia-Pacific | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percent of total revenue	9.00%	9.00%