Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)	12 Months Ended
	Dec. 31, 2022
Office and technical equipment | Minimum
Property, Plant and Equipment
Useful life	3 years
Office and technical equipment | Maximum
Property, Plant and Equipment
Useful life	10 years
Computer equipment and software
Property, Plant and Equipment
Useful life	3 years
Customer premise equipment
Property, Plant and Equipment
Useful life	5 years
Vehicles
Property, Plant and Equipment
Useful life	5 years
Telephony infrastructure | Minimum
Property, Plant and Equipment
Useful life	5 years
Telephony infrastructure | Maximum
Property, Plant and Equipment
Useful life	7 years
Head-end equipment
Property, Plant and Equipment
Useful life	7 years
Distribution facilities
Property, Plant and Equipment
Useful life	10 years
Buildings and leasehold improvements | Minimum
Property, Plant and Equipment
Useful life	5 years
Buildings and leasehold improvements | Maximum
Property, Plant and Equipment
Useful life	20 years