Annual report pursuant to Section 13 and 15(d)

REVENUE RECOGNITION (Deferred Revenue) (Details)

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REVENUE RECOGNITION (Deferred Revenue) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]      
Deferred Revenue, Current $ 1,391,032 $ 1,227,797 $ 925,200
Recognition of deferred revenue 1,207,322 905,279  
Concerts [Member]      
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]      
Recognition of deferred revenue 1,121,945 839,897  
Ticketing [Member]      
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]      
Recognition of deferred revenue 62,088 42,512  
Sponsorship and Advertising [Member]      
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]      
Recognition of deferred revenue 20,220 21,279  
Other & Corporate      
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]      
Recognition of deferred revenue $ 3,069 $ 1,591