Revenue Recognition - Disaggregation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,306,113	$ 1,696,911	$ 1,082,571
United States
Disaggregation of Revenue [Line Items]
Total revenues	2,264,265	1,657,745	1,047,636
Americas, excluding U.S.
Disaggregation of Revenue [Line Items]
Total revenues	9,354	6,620	4,908
Europe, Middle East, India, and Africa
Disaggregation of Revenue [Line Items]
Total revenues	24,480	23,884	22,811
Asia Pacific and Other
Disaggregation of Revenue [Line Items]
Total revenues	8,014	8,662	7,216
Insurance carriers
Disaggregation of Revenue [Line Items]
Total revenues	2,171,186	1,571,817	954,155
Laboratory and other partners
Disaggregation of Revenue [Line Items]
Total revenues	103,112	97,210	98,891
Patients
Disaggregation of Revenue [Line Items]
Total revenues	$ 31,815	$ 27,884	$ 29,525