Leases - Term and Discount Rate (Details)	Sep. 30, 2021	Dec. 31, 2020
Leases [Abstract]
Weighted Average Remaining Lease Term, operating lease	5 years 25 days	5 years 3 months
Weighted Average Remaining Lease Term, finance lease	5 years 18 days	4 years 11 months 15 days
Weighted Average Discount Rate, operating lease	4.78%	4.73%
Weighted Average Discount Rate, finance lease	4.22%	4.46%