Leases - Terms and Discount Rates (Details)	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating leases, weighted average remaining lease term	5 years 5 months 23 days	6 years 2 months 12 days
Finance leases, weighted average remaining lease term	2 years 9 months 10 days	2 years 11 months 15 days
Operating leases, weighted average remaining discount rate	4.83%	4.80%
Finance leases, weighted average remaining discount rate	5.50%	5.69%