Leases - Weighted Average Remaining Lease Term and Discount Rate (Details)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Weighted Average Remaining Lease Term
Operating leases	5 years 1 month 6 days	5 years 2 months 12 days	5 years 7 months 6 days
Weighted Average Discount Rate
Operating leases	2.60%	2.90%	3.10%