Leases (Narrative) (Details)	Jan. 01, 2021
Minimum | Facilities
Property, Plant and Equipment [Line Items]
Operating lease, term of contract	1 year
Minimum | Equipment
Property, Plant and Equipment [Line Items]
Operating lease, term of contract	3 years
Minimum | Data Center Co-locations
Property, Plant and Equipment [Line Items]
Operating lease, term of contract	3 years
Maximum | Facilities
Property, Plant and Equipment [Line Items]
Operating lease, term of contract	10 years
Maximum | Equipment
Property, Plant and Equipment [Line Items]
Operating lease, term of contract	5 years
Maximum | Data Center Co-locations
Property, Plant and Equipment [Line Items]
Operating lease, term of contract	5 years