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Revenue, Receivables, and Concentration of Credit Risk (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Concentration Risk [Line Items]
Reduction in medical services revenue	$ 55.9
Revenue from Contract with Customer Benchmark \| Medicare Advantage Payors \| Payor A
Concentration Risk [Line Items]
Concentration risk, percentage	22.00%	23.00%	22.00%	21.00%
Revenue from Contract with Customer Benchmark \| Medicare Advantage Payors \| Payor B
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	15.00%	17.00%	16.00%
Revenue from Contract with Customer Benchmark \| Medicare Advantage Payors \| Payor C
Concentration Risk [Line Items]
Concentration risk, percentage		14.00%		13.00%
Revenue from Contract with Customer Benchmark \| Medicare Advantage Payors \| Payor D
Concentration Risk [Line Items]
Concentration risk, percentage		11.00%		11.00%
Receivables \| Medicare Advantage Payors \| Payor A
Concentration Risk [Line Items]
Concentration risk, percentage			12.00%		13.00%
Receivables \| Medicare Advantage Payors \| Payor B
Concentration Risk [Line Items]
Concentration risk, percentage			16.00%		11.00%
Receivables \| Medicare Advantage Payors \| Payor D
Concentration Risk [Line Items]
Concentration risk, percentage			14.00%		21.00%