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FCC Licenses - Carrying Amount of Broadcasting Licenses (Detail) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2022
Jun. 30, 2022
FCC Licenses [Line Items]    
Beginning Balance $ 508,413,913 $ 508,413,913
Radio station disposition (see Note 2)   (790,232)
Impairment losses $ (1.9) (4,619,772)
Ending Balance   $ 503,003,909