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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
	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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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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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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