Disaggregation of Revenue - Revenue from external customers (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue
Revenue	$ 3,176,289	$ 3,151,029	$ 9,550,696	$ 9,467,342
Pay-TV video and related revenue
Disaggregation of Revenue
Revenue	3,151,144	3,109,479	9,465,241	9,357,713
Equipment sales and other revenue
Disaggregation of Revenue
Revenue	$ 25,145	$ 41,550	$ 85,455	$ 109,629

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details