Leases - Weighted Average Remaining Lease Term and Discount Rate (Details)	Dec. 31, 2020	Dec. 31, 2019
Weighted Average Lease Term
Operating leases	6 years	7 years
Finance leases	7 years	4 years
Weighted Average Discount Rate
Operating leases	6.50%	6.50%
Finance leases	4.30%	6.50%