Fair Value Measurements - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended		12 Months Ended
	Apr. 16, 2021	Oct. 31, 2021	Aug. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 28, 2021
Disclosure Of Reconciliation Of The Companys Financial Asset And Liability Measured At Fair Value [Line Items]
Convertible security stated value		$ 20.0	$ 20.0
Convertible security, conversion price (in dollars per share)		$ 61.70	$ 49.40
Gain (loss) due to change in the fair value				$ 7.6	$ 5.7
Embedded derivative	$ 17.8						$ 5.6
Level 1
Disclosure Of Reconciliation Of The Companys Financial Asset And Liability Measured At Fair Value [Line Items]
Marketable securities, unrealized gain				$ 2.5
Amended Revolving Credit Facility | Affiliate of KKR Denali
Disclosure Of Reconciliation Of The Companys Financial Asset And Liability Measured At Fair Value [Line Items]
Decrease in the variable interest rate margin	0.25%			0.25%
Class A, Class B, and Class F Common Stock
Disclosure Of Reconciliation Of The Companys Financial Asset And Liability Measured At Fair Value [Line Items]
Issuance of Class A common stock in connection with acquisitions (in shares)					2,479,996	3,267,792
Common Class A | Class A, Class B, and Class F Common Stock
Disclosure Of Reconciliation Of The Companys Financial Asset And Liability Measured At Fair Value [Line Items]
Issuance of Class A common stock in connection with acquisitions (in shares)		324,156	405,205
Convertible Security
Disclosure Of Reconciliation Of The Companys Financial Asset And Liability Measured At Fair Value [Line Items]
Gain (loss) due to change in the fair value				$ (3.5)	$ (1.5)