Leases - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($)
Leases [Line Items]
Lease, practical expedients, package	true
Operating leases, existence of option to extend	true
Operating leases, existence of option to terminate	true
Operating leases, termination term	1 year
Cash payment for operating leases	$ 20.5
Operating leases, weighted-average remaining lease term	6 years 10 months 24 days
Operating leases, weighted-average discount rate	5.05%
Maximum
Leases [Line Items]
Operating leases, remaining lease term	24 years
Operating leases, renewal lease term	10 years