Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Trade and Barter Transactions Expenses (Detail)

v3.19.1
Revenue Recognition - Trade and Barter Transactions Expenses (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Revenue Recognition [Line Items]    
Total revenue $ 60,469 $ 63,795
Broadcast [Member] | Advertising Barter Transactions [Member]    
Revenue Recognition [Line Items]    
Total revenue 1,299 1,691
Cost 1,356 1,266
Digital Media [Member]    
Revenue Recognition [Line Items]    
Total revenue 10,240  
Digital Media [Member] | Advertising Barter Transactions [Member]    
Revenue Recognition [Line Items]    
Total revenue 11 45
Publishing [Member]    
Revenue Recognition [Line Items]    
Total revenue $ 4,136  
Publishing [Member] | Advertising Barter Transactions [Member]    
Revenue Recognition [Line Items]    
Total revenue   $ 1