Annual report pursuant to Section 13 and 15(d)

Revenue Recognition - Trade and Barter Transactions Expenses (Detail)

v3.20.4
Revenue Recognition - Trade and Barter Transactions Expenses (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenue Recognition [Line Items]    
Total net revenue $ 236,239 $ 253,898
Broadcast [Member] | Advertising Barter Transactions [Member]    
Revenue Recognition [Line Items]    
Total net revenue 2,810 5,625
Cost 2,952 5,055
Publishing [Member]    
Revenue Recognition [Line Items]    
Total net revenue 18,519 21,394
Publishing [Member] | Advertising Barter Transactions [Member]    
Revenue Recognition [Line Items]    
Total net revenue 38 63
Cost $ 1 $ 20