Leases (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Lessee, lease termination period	1 year
COVID-19 related rent deferrals	$ 4.3
Lessor, average remaining lease term	5 years
Minimum
Lessee, Lease, Description [Line Items]
Lessee, remaining lease term	1 year
Lessee, lease renewal term	2 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, remaining lease term	52 years
Lessee, lease renewal term	40 years