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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
13 Months Ended
Mar. 31, 2020
Aug. 31, 2020
Dec. 31, 2019
Significant Accounting Policies [Line Items]      
Operating costs of personnel 100.00%    
Senior Credit Facility      
Significant Accounting Policies [Line Items]      
Debt service obligations $ 10,500,000    
Senior Credit Facility | FCC Licenses      
Significant Accounting Policies [Line Items]      
Formula based percentage on fair value of licenses 60.00%    
Forecast | Emmis | SG Broadcasting      
Significant Accounting Policies [Line Items]      
Amount owed   $ 5,000,000  
Class A Common Stock      
Significant Accounting Policies [Line Items]      
Common stock, shares issued 1,683,263   1,666,667
Emmis | Class A Common Stock      
Significant Accounting Policies [Line Items]      
Common stock, shares issued 1,666,667    
Fair Value Measurements Recurring | Level 3      
Significant Accounting Policies [Line Items]      
Assets $ 0    
Liabilities $ 0