Leases (Schedule of Lease Terms and Discount Rates Related to Leases) (Details)	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease, weighted average remaining lease term	4 years	4 years
Finance lease, weighted average remaining lease term	9 years 1 month 6 days	9 years 3 months 18 days
Operating lease, weighted average discount rate, percent	2.12%	2.63%
Finance lease, weighted average discount rate, percent	4.50%	4.45%