Leases (Schedule of Weighted Average Assumptions Used To Compute ROU Assets and Lease Liabilities) (Details)	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Weighted average remaining lease term, Operating leases	5 years 4 months 24 days	6 years 6 months
Weighted average remaining lease term, Finance leases	9 years 10 months 24 days	10 years 8 months 12 days
Weighted average discount rate, Operating leases	3.40%	4.00%
Weighted average discount rate, Finance leases	3.60%	3.60%