Leases - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease, initial lease term	15 years	15 years
Lessee, operating lease, liability, payments, net of sublease income, due	$ 5.0	$ 5.0
Sublease Income	$ 0.3	$ 0.9
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term		1 year
Operating lease, termination option period		30 days
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term		16 years
Operating lease, termination option period		6 months