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Summary of Significant Accounting Policies - Revenue by Major Payers (Details) - Customer Concentration Risk	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Medicare | Revenue
Disaggregation of Revenue [Line Items]
Percent of total revenue	37.00%	62.00%	35.00%	37.00%
Medicare | Accounts Receivable
Disaggregation of Revenue [Line Items]
Percent of total revenue			65.00%		21.00%
Medicare Advantage | Revenue
Disaggregation of Revenue [Line Items]
Percent of total revenue	15.00%	12.00%	17.00%	15.00%
Medicare Advantage | Accounts Receivable
Disaggregation of Revenue [Line Items]
Percent of total revenue					13.00%

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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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