Related Party Transactions - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 31, 2019	Jul. 10, 2019	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Transaction costs incurred on behalf of related parties	$ 1.3	$ 6.8	$ 8.2	$ 3.1
Receivables from related parties			0.3	0.1
Related party owed to employees			0.0	0.0
Ventanex CPS BillingTree Kontrol and Payix
Related Party Transaction [Line Items]
Contingent consideration payable to related parties			$ 17.4	$ 15.8