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FCC Broadcasting Licenses (Tables)
 12 Months Ended
Dec. 31, 2018
Text Block [Abstract]  
Carrying Amount of Broadcasting Licenses
Changes in the carrying amount of FCC broadcasting licenses for the years ended December 31, 2017 and 2018 are as follows:

 
Balance as of January 1, 2017
 
$
451,811,500
 
Acquisitions of translator licenses
 
 
1,431,579
 
Asset exchange (see Note 3)
 
 
35,943,600
 
Balance as of December 31, 2017
 
 
489,186,679
 
Acquisitions of translator licenses
 
 
202,675
 
Asset acquisition (see Note 3)
 
 
27,346,200
 
Balance as of December 31, 2018
 
$
516,735,554