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Summary of Significant Accounting Policies - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Automatic-Renewal
Dec. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Segment
Dec. 31, 2021
USD ($)
Summary Of Significant Accounting Policies [Line Items]          
Renewable terms of FCC broadcasting licenses 8 years        
Weighted-average period before the next renewal of the Company's FCC broadcasting licenses 6 years        
Number of operating segments | Segment       3  
Number of reportable segments   2   2  
Quu Inc [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Investment carrying amount | $ $ 2.0 $ 2.0 $ 2.0 $ 2.0 $ 2.0
OutlawsXP Inc [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Equity method investment, ownership percentage 90.00% 90.00% 90.00% 90.00%  
Renegades Holdings, Inc. [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Equity method investment, ownership percentage 51.00% 51.00% 51.00% 51.00%  
Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Boston, MA, Philadelphia, PA and Tampa-Saint Petersburg, FL [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Radio stations contributed to net revenue         59.00%
Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Boston MA Detroit MI And Philadelphia PA [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Radio stations contributed to net revenue     58.00%