Leases - Lease Term and Discount Rate (Details)	Dec. 31, 2021	Dec. 31, 2020
Real Estate Arrangements
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term (in years)	11 years 1 month 6 days	11 years 9 months 18 days
Weighted average discount rate	3.60%	3.40%
Co-location Arrangements
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term (in years)	3 years 10 months 24 days	4 years 3 months 18 days
Weighted average discount rate	1.30%	1.80%