Leases - Lease Term and Discount Rate (Details)	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Weighted average remaining operating lease term (years)	5 years 2 months 12 days	6 years 1 month 6 days
Weighted average remaining finance lease term (years)	3 years 6 months	3 years 9 months 18 days
Weighted average discount rate for operating leases	4.40%	4.40%
Weighted average discount rate for finance leases	5.40%	5.40%