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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 | 12 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Revenue | United Healthcare |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 11.00% |  |
Revenue | Medicare |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 46.00% | 41.00% |
Accounts Receivable | Medicare |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 20.00% |  | 23.00%
Accounts Receivable | AstraZeneca UK |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 20.00% |  | 18.00%

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