Leases - Other Operating and Finance Lease Information (Details)	Sep. 30, 2021	Dec. 31, 2020
Leases [Abstract]
Weighted-average remaining lease term – operating leases	11 years 3 months 18 days	10 years 8 months 12 days
Weighted-average remaining lease term – finance leases	7 years 4 months 24 days	6 years 2 months 12 days
Weighted-average discount rate – operating leases	2.30%	2.50%
Weighted-average discount rate – finance leases	2.10%	2.10%