Related Party Transactions - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Population Health, LLC
Related Party Transaction [Line Items]
Other general expenses	$ 9.6	$ 8.4	$ 6.7
Percentage of ownership interest	49.00%
Outstanding payable	$ 1.2	1.0
CD&R
Related Party Transaction [Line Items]
Advisory consulting fee	0.2	0.8	$ 1.5
Direct Contracting Entities
Related Party Transaction [Line Items]
Outstanding receivable	$ 6.9	$ 0.5

Carrying amount as of the balance sheet date of obligations due all related parties.

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+ Details