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Summary of Significant Accounting Policies -Disaggregated By Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 265,196	$ 191,476	$ 700,755	$ 537,202
Oncology
Disaggregation of Revenue [Line Items]
Total revenue	184,402	141,197	493,646	397,214
Biopharma and data
Disaggregation of Revenue [Line Items]
Total revenue	54,731	46,547	156,127	128,067
Screening
Disaggregation of Revenue [Line Items]
Total revenue	24,112	1,003	44,603	1,003
Licensing and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,951	$ 2,729	$ 6,379	$ 10,918

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