XML 39 R29.htm IDEA: XBRL DOCUMENT v3.22.1
REVENUE - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Trade and barter revenues $ 843,168 $ 706,182
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue, remaining performance obligation $ 395,100  
Revenue, remaining performance obligation, period 5 years  
Advertising Trade and Barter Transactions    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Trade and barter revenues $ 7,000 $ 2,200