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Description of Business and Summary of Significant Accounting Policies - Subscriber System Assets and Depreciation Amortization (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]      
Gross carrying amount $ 5,499,703 $ 4,815,286  
Accumulated depreciation (2,632,175) (2,152,058)  
Subscriber system assets, net 2,867,528 2,663,228  
Depreciation of subscriber system assets 506,568 501,669 $ 558,111
Amortization of deferred subscriber acquisition costs $ 126,089 $ 96,823 $ 80,128