Summary of Significant Accounting Policies - Revenue Recognition (Details) - Patient Services - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Charity care program, costs	$ 13.8	$ 13.0	$ 33.6	$ 25.6
Third-Party Payor
Disaggregation of Revenue [Line Items]
Revenue adjustment, net	(0.5)	$ 2.2	0.0	$ 5.1
Receivable (payable), net	14.4		14.4		$ (10.3)
Receivables, current	31.6		31.6		34.4
Payables, current	$ 46.0		$ 46.0		$ 44.7

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The amount of charity care provided during the period based on the provider's direct and indirect costs of providing charity care services.

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