Leases (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Lessee, Lease, Description [Line Items]
COVID related rent abatement concessions	$ 0.1
COVID related deferred rent payments	$ 4.9
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease term		10 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease term		15 years