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Segment Information - Additional Information (Detail)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
Segment
Station
Sep. 30, 2015
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments | Segment     3  
Net revenue $ 65,281 $ 69,261 $ 188,223 $ 188,702
Television        
Segment Reporting Information [Line Items]        
Net revenue 40,363 43,393 $ 116,143 119,292
Number of stations owned | Station     54  
Television | Television Station Channel Modification        
Segment Reporting Information [Line Items]        
Net revenue   5,500   10,500
Radio        
Segment Reporting Information [Line Items]        
Net revenue $ 19,169 $ 20,855 $ 55,605 $ 56,785
Number of stations owned | Station     49  
Advertisements and Syndicates Radio Programming        
Segment Reporting Information [Line Items]        
Number of stations owned | Station     350  
Pulpo Media Inc        
Segment Reporting Information [Line Items]        
Business acquisition date     Jun. 18, 2014