Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 6.9	$ 7.3
Operating lease payments	$ 6.5	$ 6.7
Weighted average remaining lease terms	5 years 2 months 8 days
Weighted average discount rates	6.78%
Minimum
Lessee, Lease, Description [Line Items]
Remaining term of contract	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining term of contract	7 years