STOCK-BASED COMPENSATION - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense, before taxes	$ 25,947	$ 25,549	$ 55,053	$ 47,065
Related income tax benefits	(6,300)	(6,163)	(13,368)	(11,353)
Stock-based compensation expense, net of taxes	19,647	19,386	41,685	35,712
Cost of screening revenue (exclusive of amortization of intangible assets)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense, before taxes	451	446	921	819
Cost of development services revenue
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense, before taxes	12	4	23	4
Research and development
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense, before taxes	9,625	10,343	21,068	19,303
Sales and marketing
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense, before taxes	4,889	4,844	10,352	8,886
General and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense, before taxes	$ 10,970	$ 9,912	$ 22,689	$ 18,053