Revenue Recognition and Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Contract Assets and Liabilities [Line Items]
Revenues	$ 2,421,897	$ 2,478,821
Contract assets	$ 16,674		$ 17,669
Concentration Risk, Customer	10
concentration of customer to trade receivables	10.00%
Customer Contracts | Minimum
Contract Assets and Liabilities [Line Items]
Finite-lived intangible asset, useful life	3 years
Customer Contracts | Maximum
Contract Assets and Liabilities [Line Items]
Finite-lived intangible asset, useful life	5 years
Broadband
Contract Assets and Liabilities [Line Items]
Revenues	$ 985,517	970,571
Video
Contract Assets and Liabilities [Line Items]
Revenues	841,887	905,834
Telephony
Contract Assets and Liabilities [Line Items]
Revenues	85,234	106,981
Residential revenue
Contract Assets and Liabilities [Line Items]
Revenues	1,912,638	1,983,386
Business Services and Wholesale [Member]
Contract Assets and Liabilities [Line Items]
Revenues	367,522	367,216
News and advertising
Contract Assets and Liabilities [Line Items]
Revenues	114,675	105,070
Mobile
Contract Assets and Liabilities [Line Items]
Revenues	24,035	19,235
Other
Contract Assets and Liabilities [Line Items]
Revenues	3,027	3,914
Franchise [Member]
Contract Assets and Liabilities [Line Items]
Franchise fees and other taxes and fees	$ 59,088	$ 66,056