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Description of Business and Summary of Significant Accounting Policies - Schedule of Accrued Expenses and Radio Conversion Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Accrued interest $ 124,579 $ 123,935  
Payroll-related accruals 196,165 99,771  
Operating lease liabilities 37,359 30,689  
Fair value of interest rate swaps 737,245 584,151  
Other accrued liabilities 328,782 264,294  
Accrued expenses and other current liabilities 737,245 584,151  
Radio conversion costs 250,490 88,709 $ 30,038
Radio conversion revenue 39,127 36,820 $ 5,055
Accrued and Other Current Liabilities      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Operating lease liabilities $ 37,359 $ 30,689