Leases Other Information (Details)	Dec. 31, 2020		Dec. 31, 2019
Leases - Other Information [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	10 years		9 years
Finance Lease, Weighted Average Remaining Lease Term	7 years		8 years
Operating Lease, Weighted Average Discount Rate, Percent	3.80%	[1]	3.70%
Finance Lease, Weighted Average Discount Rate, Percent	3.80%		3.80%

[1] Upon adoption of the New Lease Standard, the incremental borrowing rate used for existing leases was established as of January 1, 2019.