STOCK-BASED COMPENSATION - Stock-Based Compensation Expense Incurred (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	$ 64,660	$ 60,231	$ 4
Cost of sales - services | Revenue – services
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	3,497	2,640	0
Sales and marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	4,668	7,189	0
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	3,806	3,268	0
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	$ 52,689	$ 47,134	$ 4