Quarterly report pursuant to Section 13 or 15(d)

Recent Transactions - Pending Transactions - Additional Information (Detail)

v3.23.3
Recent Transactions - Pending Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 29, 2023
Jun. 30, 2023
Oct. 17, 2023
Sep. 30, 2023
Sep. 01, 2023
Aug. 17, 2023
Jun. 29, 2023
Dec. 31, 2022
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Asset held-for-sale, not part of disposal group current       $ 8,344       $ 267
Limited Liability Company [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Investment owned, at cost       1,500        
Salem Church Products [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Disposal group including discontinued operations cash consideration $ 30,000              
Cash 22,500              
Notes payable noncurrent 2,500              
Gains from agreement 10,000              
Asset held-for-sale, not part of disposal group current       2,100        
Salem Church Products [Member] | Promissory Note [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Notes payable $ 7,500              
Radio Station WTWD-AM And Translator [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Asset held-for-sale, not part of disposal group current       100        
Radio Station WGTK-FM, WRTH-FM and WLTE-FM [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Asset held-for-sale, not part of disposal group current       5,100        
Sacramento Ca [Member] | KSAC FM [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Gain (loss) on discontinued operatiions from disposal pre tax value   $ 3,300            
Disposal group including discontinued operations cash consideration             $ 1,000  
Radio StationWLCCAMand FM translator [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Asset held-for-sale, not part of disposal group current       $ 1,000        
FLORIDA [Member] | Subsequent Event [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Disposal group including discontinued operations cash consideration     $ 9,500          
Tampa Florida [Member] | Radio Station WTWD-AM And Translator [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Disposal group including discontinued operations cash consideration         $ 700      
Greenville, South Carolina [Member] | Radio Station WGTK-FM, WRTH-FM and WLTE-FM [Member]                
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                
Disposal group including discontinued operations cash consideration           $ 6,800