Leases (Aggregate Principal Payments) (Details)	Dec. 31, 2021	Dec. 31, 2020
Weighted-average remaining lease term (in years)
Operating	8 years 2 months 12 days	8 years 4 months 24 days
Finance	28 years 2 months 12 days	30 years 4 months 24 days
Weighted-average discount rate
Operating	3.20%	3.80%
Finance	3.80%	4.30%