v3.26.1
RELATED PARTY TRANSACTIONS (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]            
Selling, general and administrative expenses $ 462,649 $ 364,357   $ 842,887 $ 727,642  
Other current liabilities 911,449     911,449   $ 384,588
Equity-based compensation       79,982 63,267  
Revenues 1,547,078 1,308,442   3,143,954 2,577,242  
Deferred revenue 483,686     483,686   663,015
Direct operating costs 556,123 476,383   1,290,480 1,043,999  
EGH And Its Subsidiaries [Member]            
Related Party Transaction [Line Items]            
Reimbursed costs         100  
Cash received for services provided       4,000 5,200  
Other current liabilities $ 27,329     27,329   $ 31,890
EGH And Its Subsidiaries [Member] | Acquired Businesses from Endeavor Group Holdings, Inc. [Member]            
Related Party Transaction [Line Items]            
Selling, general and administrative expenses     $ 21,700      
EGH And Its Subsidiaries [Member] | Transition Services Agreement [Member]            
Related Party Transaction [Line Items]            
Reimbursed costs       $ 18,200 7,000  
EGH And Its Subsidiaries [Member] | TKO Group Holdings, Inc. [Member]            
Related Party Transaction [Line Items]            
Company's ownership interest percentage 64.10%     64.10%    
Euroleague [Member] | Technical Services [Member]            
Related Party Transaction [Line Items]            
Revenues   5,900     15,500  
Direct operating costs   $ 100     $ 200