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
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disaggregation of Revenue [Line Items]      
Revenue $ 1,861,178 $ 11,547,969 $ 10,787,800
Ticketing [Member] | Operating Segments [Member]      
Disaggregation of Revenue [Line Items]      
Revenue $ 188,383 $ 1,545,189 $ 1,529,566
Percentage of consolidated revenue 10.10% 13.40% 14.20%