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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 30 Months Ended 48 Months Ended
Feb. 28, 2018
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Dec. 31, 2022
Dec. 31, 2020
Debt Instrument [Line Items]                
Radio Conversion Cost       $ 119,000   $ 196,000    
Guarantor Obligations, Maximum Exposure, Undiscounted   $ 76,000   76,000   76,000   $ 83,000
Capitalized Contract Cost, Amortization   30,000 $ 23,000 58,830 $ 45,416      
Money market funds   41,000   $ 41,000   41,000   143,000
Revenue from Contract with Customer, Term of Customer Relationship       15 years        
Retained earnings (accumulated deficit)   (3,724,139)   $ (3,724,139)   (3,724,139)   (3,491,069)
Deferred tax liabilities   935,989   $ 935,989   $ 935,989   $ 990,899
Litigation settlement, payment term 48 months              
Financial Instruments       Fair Value of Financial InstrumentsThe Company’s financial instruments primarily consist of cash and cash equivalents, restricted cash and restricted cash equivalents, accounts receivable, retail installment contract receivables, accounts payable, debt, and derivative financial instruments. Due to their short-term and/or liquid nature, the fair values of cash, restricted cash, accounts receivable, and accounts payable approximate their respective carrying amounts        
Radio Conversion Costs   $ 71,000 $ 14,000 $ 140,000 $ 29,000      
Minimum | Forecast                
Debt Instrument [Line Items]                
Radio Conversion Cost             $ 250,000