Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
Lease renewal term	1 year
Remaining lease term	6 years 3 months 18 days
Discount rate	4.65%
Operating lease expense	$ 7.8
Short-term lease cost	1.2
Rent expense, net		$ 19.7
Sublease Income	$ 0.3	0.8
Minimum
Lessee, Lease, Description [Line Items]
Term of lease contract	1 year
Maximum
Lessee, Lease, Description [Line Items]
Term of lease contract	10 years 6 months
Data Centers For Cloud-Based Services
Lessee, Lease, Description [Line Items]
Expense	$ 10.0
Rent expense		$ 7.1