Leases - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Lease renewal term	5 years
Lease termination period	1 year
Right of use asset	$ 40.3
Lease liability	$ 45.3
Weighted average remaining lease term	4 years 5 months 19 days
Weighted average discount rate	4.13%
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	6 years