Annual report pursuant to Section 13 and 15(d)

REVENUE RECOGNITION (Ticketing Revenue) (Details)

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REVENUE RECOGNITION (Ticketing Revenue) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disaggregation of Revenue [Line Items]                      
Revenue $ 2,601,855 $ 3,835,246 $ 2,868,315 $ 1,482,384 $ 2,320,450 $ 3,440,308 $ 2,683,585 $ 1,242,879 $ 10,787,800 $ 9,687,222 $ 7,826,336
Ticketing [Member] | Operating Segments [Member]                      
Disaggregation of Revenue [Line Items]                      
Revenue                 $ 1,529,566 $ 1,346,510 $ 1,166,029
Percentage of the ticketing business revenue to total revenue                 14.20% 13.90% 14.90%