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FCC Licenses (Tables)
 9 Months Ended
Sep. 30, 2022
Text Block [Abstract]  
Carrying Amount of Broadcasting Licenses
Changes in the carrying amount of FCC licenses for the nine months ended September 30, 2022 are as follows:
 
Balance as of January 1, 2022
    $ 508,413,913  
Station disposition (see Note 2)
      (790,232 ) 
Impairment losses (see below and also Note 2)
      (4,619,772 ) 
    
 
 
  
Balance as of September 30, 2022
    $ 503,003,909  
    
 
 
  
Discounted Cash Flow Analyses The key assumptions used in the discounted cash flow analyses are as follows:

Revenue growth rates
    (1.9)% - 15.9%
Market revenue shares at maturity
    0.6% - 44.0%
Operating income margins at maturity
    19.2% - 32.6%
Discount rate
    9.5%