Capitalized Contract Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Capitalized Contract Cost [Line Items]
Deferred commissions and costs to fulfill a contract - amortization expense	$ 8.9	$ 5.9
Costs to fulfill contract	49.3		$ 56.2
Deferred Commissions
Capitalized Contract Cost [Line Items]
Deferred commissions	5.7		$ 6.7
Deferred commissions and costs to fulfill a contract - amortization expense	$ 1.1	$ 0.8