Revenue and Contract Acquisition Costs - Summary of Deferred Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Accrued expenses and other current liabilities	$ 9.0		$ 9.0		$ 3.5
Other liabilities	1.5		1.5		1.5
Total deferred revenue	10.5		10.5		$ 5.0
Deferred revenue recognized	$ 0.3	$ 0.1	$ 1.8	$ 4.0