Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Trade and Barter Transactions Expenses (Detail)

v3.21.1
Revenue Recognition - Trade and Barter Transactions Expenses (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenue Recognition [Line Items]    
Total net revenue $ 59,353 $ 58,250
Broadcast [Member] | Advertising Barter Transactions [Member]    
Revenue Recognition [Line Items]    
Total net revenue 391 1,166
Cost 373 1,034
Publishing [Member]    
Revenue Recognition [Line Items]    
Total net revenue $ 5,686 3,966
Publishing [Member] | Advertising Barter Transactions [Member]    
Revenue Recognition [Line Items]    
Total net revenue   $ 26