Leases (Narrative) (Details)	9 Months Ended
	Sep. 30, 2020
Lessee Lease Description [Line Items]
Lease renewal term operating and finance lease	5 years
Operating and finance lease existence of option to terminate	true
Short-term leases term	12 months
Additional leases not yet commenced	not have any material leases that had not yet commenced
Minimum [Member]
Lessee Lease Description [Line Items]
Remaining lease term operating and finance lease	1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Remaining lease term operating and finance lease	17 years