Leases (Narrative) (Details)	12 Months Ended
	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Lease, Practical Expedients	true
Options to extend	true
Minimum [Member]
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Remaining lease term	13 years