STOCK-BASED COMPENSATION - Stock-Based Compensation Expense Incurred (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	$ 2,984	$ 9,499
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	428	770
Selling, general and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	2,299	8,403
Cost of sales – services | Cost of sales – services
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total	$ 257	$ 326