Summary of Significant Accounting Policies -Disaggregated By Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 232,088	$ 177,235	$ 435,559	$ 345,726
Oncology
Disaggregation of Revenue [Line Items]
Total revenue	158,685	130,269	309,244	256,017
Biopharma and data
Disaggregation of Revenue [Line Items]
Total revenue	56,020	43,933	101,396	81,520
Screening
Disaggregation of Revenue [Line Items]
Total revenue	14,814	0	20,491	0
Licensing and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,569	$ 3,033	$ 4,428	$ 8,189

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details