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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, 2023
Dec. 31, 2022
Dec. 31, 2021
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Accrued interest $ 111,204 $ 156,495  
Payroll-related accruals 118,495 139,709  
Operating lease liabilities 15,979 20,741  
Fair value of interest rate swaps 601,315 776,739  
Opportunity fund 93,950 100,802  
Other accrued liabilities 256,375 358,992  
Accrued expenses and other current liabilities 601,315 776,739  
Radio conversion costs 1,968 29,766 $ 240,902
Radio conversion revenue 6,664 28,058 $ 39,100
Interest Rate Swap | Not Designated as Hedging Instrument      
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]      
Fair value of interest rate swaps 5,312 0  
Accrued expenses and other current liabilities $ 5,312 $ 0