Consolidated Statements of Changes in Stockholders’ Equity - 12 months ended Dec. 31, 2022 - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Class A Common Stock	Class B Common Stock	Members' Equity	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional paid-in capital	Non-controlling interest	Retained earnings (Accumulated deficit)	Retained earnings (Accumulated deficit) Cumulative Effect, Period of Adoption, Adjustment
Beginning balance at Dec. 31, 2021					$ 0.0
Increase (Decrease) in Members' Equity [Roll Forward]
Proceeds from exercises of stock options	$ 9.4							$ 7.1	$ 2.3
Net loss	(783.7)								(206.9)	$ (576.8)
Beginning balance (in shares) at Dec. 31, 2021			170,987,365	56,838,744		170,987,365	56,838,744
Beginning balance at Dec. 31, 2021	1,492.9	$ (0.4)				$ 1.7	$ 0.6	1,101.3	369.6	19.7	$ (0.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation (in shares)							1,248,188
Equity-based compensation	47.0							17.9	29.1
Vesting of restricted stock units, net of shares withheld to cover payroll taxes (in shares)						160,212
Vesting of restricted stock units, net of shares withheld to cover payroll taxes	(0.6)							(0.6)
Proceeds from exercises of stock options (in shares)						2,182,545
Issuance of Class A common stock under stock purchase plan (in shares)						192,101
Issuance of Class A common stock under stock purchase plan	2.9							2.2	0.7
Tax payments on behalf of non-controlling interest	(6.5)								(6.5)
Exchange of LLC units (in shares)						504,173	(504,173)
Exchange of LLC units	0.0							2.3	(2.3)
Equity impact of tax receivable agreement liability and deferred taxes arising from LLC Interest ownership exchanges	(0.4)							(0.4)
Issuance of Class A common stock in connection with Caravan Health acquisition, net of tax (in shares)						4,762,134
Issuance of Class A common stock in connection with Caravan Health acquisition, net of tax	60.0					$ 0.1		52.7	7.2
Net loss	(783.7)								(206.9)	(576.8)
Ending balance (in shares) at Dec. 31, 2022			178,788,530	57,582,759		178,788,530	57,582,759
Ending balance at Dec. 31, 2022	$ 820.6					$ 1.8	$ 0.6	$ 1,182.5	$ 193.2	$ (557.5)	$ (0.4)