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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Revenue by Type (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 837.6	$ 753.2	$ 678.4
Hereditary Cancer
Disaggregation of Revenue [Line Items]
Revenue	364.5	327.8	305.5
Tumor Profiling
Disaggregation of Revenue [Line Items]
Revenue	125.8	135.6	128.6
Prenatal
Disaggregation of Revenue [Line Items]
Revenue	177.1	151.3	116.4
Pharmacogenomics
Disaggregation of Revenue [Line Items]
Revenue	170.2	138.5	127.6
Autoimmune
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 0.0	$ 0.3

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