Right-of-Use Asset and Lease Liabilities - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($) property
Lessee, Lease, Description [Line Items]
Number of leased properties | property	20
Renewal option	5 years
Operating lease, not yet commenced, obligation	$ 8.2
Operating lease, not yet commenced, lease term	7 years 1 month 6 days
Finance lease, not yet commenced, obligation	$ 4.1
Finance lease, not yet commenced, lease term	4 years
Minimum
Lessee, Lease, Description [Line Items]
Term of lease	1 year
Maximum
Lessee, Lease, Description [Line Items]
Term of lease	9 years