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Revenue and Accounts Receivable Credit Concentration - Summary of Revenue and Accounts Receivable by Third-party Payors and Other Customers (Details) - Customer Concentration Risk - Minimum	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Revenue | United Healthcare
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%	7.00%	8.00%	8.00%
Revenue | Medicare
Concentration Risk [Line Items]
Concentration risk, percentage	30.00%	40.00%	34.00%	40.00%
Accounts Receivable | Medicare
Concentration Risk [Line Items]
Concentration risk, percentage			16.00%		21.00%
Accounts Receivable | Bio-Rad Laboratories, Inc.
Concentration Risk [Line Items]
Concentration risk, percentage			22.00%
Accounts Receivable | Daiichi Sankyo
Concentration Risk [Line Items]
Concentration risk, percentage					14.00%

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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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