Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION (Sponsorship & Advertising Revenue) (Details)

v3.10.0.1
REVENUE RECOGNITION (Sponsorship & Advertising Revenue) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Disaggregation of Revenue [Line Items]        
Revenue $ 3,835,246 $ 3,440,308 $ 8,185,945 $ 7,366,772
Operating Segments [Member] | Sponsorship & Advertising [Member]        
Disaggregation of Revenue [Line Items]        
Revenue $ 171,178 $ 157,981 $ 385,674 $ 346,532
Percentage of Sponsorship & Advertising revenue to consolidated revenue 4.50% 4.60% 4.70% 4.70%