Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION (Deferred Revenue) (Details)

v3.10.0.1
REVENUE RECOGNITION (Deferred Revenue) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Deferred Revenue Arrangement [Line Items]            
Deferred revenue $ 1,846,156   $ 1,846,156   $ 925,220 $ 805,000
Recognition of Deferred Revenue 402,135 $ 378,507 696,957 $ 582,284    
Concerts [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of Deferred Revenue 381,277 359,016 646,538 541,335    
Sponsorship & Advertising [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of Deferred Revenue 4,169 6,032 17,289 15,159    
Ticketing [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of Deferred Revenue 16,206 13,397 31,739 25,099    
Other and Corporate [Member]            
Deferred Revenue Arrangement [Line Items]            
Recognition of Deferred Revenue $ 483 $ 62 $ 1,391 $ 691