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Segment Information - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Segment
Station
Jun. 30, 2015
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments | Segment     3  
Net revenue $ 64,829 $ 59,891 $ 122,942 $ 119,441
Television        
Segment Reporting Information [Line Items]        
Net revenue 39,215 36,397 $ 75,780 75,899
Number of stations owned | Station     56  
Television | Television Station Channel Modification        
Segment Reporting Information [Line Items]        
Net revenue       5,000
Radio        
Segment Reporting Information [Line Items]        
Net revenue $ 19,552 $ 19,585 $ 36,436 $ 35,930
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