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FCC Licenses (Tables)
 12 Months Ended
Dec. 31, 2021
Text Block [Abstract]  
Carrying Amount of Broadcasting Licenses
Changes in the carrying amount of FCC licenses for the years ended December 31, 2020 and 2021 are as follows:
 
Balance as of January 1, 2020
    $ 517,529,167  
Impairment losses
      (8,970,812 ) 
    
 
 
  
Balance as of December 31, 2020
      508,558,355  
Disposition
      (144,442 ) 
    
 
 
  
Balance as of December 31, 2021
    $ 508,413,913  
    
 
 
  
Discounted Cash Flow Analyses The key assumptions used in the discounted cash flow analyses are as follows:
Revenue growth rates
   
(14.1)% - 7.9%
Market revenue shares at maturity
    0.6% - 39.0%
Operating income margins at maturity
    26.5% - 35.4%
Discount rate
    9.5%