Annual report pursuant to Section 13 and 15(d)

Recent Transactions - Debt Transactions - Additional Information (Detail)

v3.22.0.1
Recent Transactions - Debt Transactions - Additional Information (Detail) - USD ($)
 6 Months Ended 12 Months Ended
Sep. 24, 2021
Sep. 10, 2021
Jul. 31, 2021
Jul. 01, 2021
Feb. 05, 2020
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Mar. 31, 2021
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Principal repurchased   $ 43,300,000              
Cash paid           $ 44,000,000.0      
Net gain           1,000,000.0      
Proceeds from Sale of Productive Assets             $ 29,278,000 $ 189,000  
Debt Instrument, Face Amount           174,900,000 174,900,000    
Gain (loss) on the early retirement of long-term debt     $ 11,200,000 $ 11,200,000     (1,026,000) $ 49,000  
Ppp Loan [Member]                  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Debt Instrument, Maturity Date       Jul. 30, 2021          
Payroll Protection Plans [Member]                  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Long-term Debt, Gross                 $ 11,200,000
Unforgiven loans payable     20,000,000            
Local Marketing Agreement [Member]                  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Debt Instrument, Face Amount           300,000 300,000    
Small Business Association [Member]                  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Long-term Debt, Gross     $ 11,200,000     11,200,000 11,200,000   $ 11,200,000
2024 Notes [member]                  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Principal repurchased   43,300,000              
Cash paid $ 44,000,000.0                
Net gain $ 1,000.0                
Long-term Debt, Gross           $ 60,200,000 60,200,000    
Debt Instrument, Face Amount   112,800,000              
Debt Conversion, Converted Instrument, Amount   $ 112,800,000              
2028 Notes [member]                  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Debt Instrument, Maturity Date   Jun. 01, 2028              
Debt Conversion, Converted Instrument, Amount   $ 114,700,000              
Debt Conversion, Converted Instrument, Rate   7.125%              
Purchase Obligation   $ 50,000,000              
Percentage of call premium   1.688%              
Radio stations [Member]                  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Proceeds from Sale of Productive Assets         $ 4,000,000.0   $ 3,200,000