Revenue Recognition - Disaggregation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,696,911	$ 1,082,571	$ 820,222
United States
Disaggregation of Revenue [Line Items]
Total revenues	1,657,745	1,047,636	785,849
Americas, excluding U.S.
Disaggregation of Revenue [Line Items]
Total revenues	6,620	4,908	3,705
Europe, Middle East, India, and Africa
Disaggregation of Revenue [Line Items]
Total revenues	23,884	22,811	16,640
Asia Pacific and Other
Disaggregation of Revenue [Line Items]
Total revenues	8,662	7,216	14,028
Insurance carriers
Disaggregation of Revenue [Line Items]
Total revenues	1,571,817	954,155	690,754
Laboratory partners
Disaggregation of Revenue [Line Items]
Total revenues	97,210	98,891	94,910
Patients
Disaggregation of Revenue [Line Items]
Total revenues	27,884	29,525	34,558
Licensing and other
Disaggregation of Revenue [Line Items]
Total revenues	$ 11,837	$ 14,049	$ 22,915