Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION (Deferred Revenue) (Details)

v3.20.2
REVENUE RECOGNITION (Deferred Revenue) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Deferred Revenue Arrangement [Line Items]            
Deferred revenue, current $ 1,631,715   $ 1,631,715   $ 1,391,032 $ 1,200,000
Recognition of deferred revenue $ 17,750 $ 275,443 $ 327,058 $ 1,175,092    
Percentage of deferred revenue at December 31, 2019 expected to be recognized in 2021 and remaining deferred revenue 41.00%   41.00%      
Percentage of deferred revenue at December 31, 2019 that has been or will be refunded to fans, and reclassified to accrued expenses if not already refunded. 28.30%   28.30%      
Deferred Revenue, Noncurrent $ 164,100   $ 164,100   $ 34,400  
Concerts [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of deferred revenue 11,539 260,907 281,017 1,093,890    
Ticketing [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of deferred revenue 4,023 11,538 25,231 59,284    
Sponsorship and Advertising [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of deferred revenue 824 2,436 17,408 19,188    
Other and Corporate [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of deferred revenue $ 1,364 $ 562 $ 3,402 $ 2,730