Leases (Narrative) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Option to extend the lease, term	up to 5 years
Option to terminate the lease, term	within 1 year
Operating lease payments related to extended lease terms	$ 2.3
Lease payments for leases signed, but not yet commenced	$ 4.6
Minimum [Member]
Lessee, Lease, Description [Line Items]
Remaining terms of leases under operating lease	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Remaining terms of leases under operating lease	10 years