Quarterly report pursuant to Section 13 or 15(d)

Broadcast Licenses - Additional Information (Detail)

v3.19.3
Broadcast Licenses - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Indefinite-lived Intangible Assets [Line Items]    
Impairment charge $ 1,915 $ 1,915
Broadcast Licenses [Member]    
Indefinite-lived Intangible Assets [Line Items]    
License renewable term   8 years