Revenue Recognition - Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 501,830	$ 367,741
United States
Disaggregation of Revenue [Line Items]
Total revenues	492,305	359,413
Americas, excluding U.S.
Disaggregation of Revenue [Line Items]
Total revenues	1,692	1,481
Europe, Middle East, India, Africa
Disaggregation of Revenue [Line Items]
Total revenues	6,049	5,178
Asia Pacific and Other
Disaggregation of Revenue [Line Items]
Total revenues	1,784	1,669
Insurance carriers
Disaggregation of Revenue [Line Items]
Total revenues	472,647	341,028
Laboratory and other partners
Disaggregation of Revenue [Line Items]
Total revenues	20,832	20,276
Patients
Disaggregation of Revenue [Line Items]
Total revenues	8,351	6,437
Licensing and other
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,794	$ 3,069