Concentration of Credit Risk - Schedules of Concentration of Risk as a Percentage of Revenues and Receivables (Details) - Medicare Advantage Payors	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Payor A | Revenue from Contract with Customer Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage	22.00%	21.00%	21.00%
Payor A | Receivables
Concentration Risk [Line Items]
Concentration risk, percentage	13.00%	13.00%
Payor B | Revenue from Contract with Customer Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage	16.00%	21.00%	24.00%
Payor B | Receivables
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%	20.00%
Payor C | Revenue from Contract with Customer Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage	14.00%
Payor D | Revenue from Contract with Customer Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage		12.00%	13.00%
Payor E | Receivables
Concentration Risk [Line Items]
Concentration risk, percentage		11.00%
Payor F | Revenue from Contract with Customer Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%
Payor F | Receivables
Concentration Risk [Line Items]
Concentration risk, percentage	21.00%