Revenue - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Disaggregation Of Revenue [Line Items]
Revenue	$ 41,873	$ 37,647
MRD Revenue
Disaggregation Of Revenue [Line Items]
Revenue	32,626	21,427
MRD Revenue \| Service Revenue
Disaggregation Of Revenue [Line Items]
Revenue	28,126	21,427
MRD Revenue \| Regulatory Milestone Revenue
Disaggregation Of Revenue [Line Items]
Revenue	4,500
Immune Medicine Revenue
Disaggregation Of Revenue [Line Items]
Revenue	9,247	16,220
Immune Medicine Revenue \| Service Revenue
Disaggregation Of Revenue [Line Items]
Revenue	4,559	7,102
Immune Medicine Revenue \| Collaboration Revenue
Disaggregation Of Revenue [Line Items]
Revenue	$ 4,688	$ 9,118

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.

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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+ Details