Leases - Additional Information (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Option to extend leases	5 years	5 years
Option to terminate leases		1 year
Operating lease costs	$ 4.3	$ 11.3
Short-term lease costs	$ 0.1	$ 0.2
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms	1 year	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms	20 years	20 years