RELATED PARTY TRANSACTIONS (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Other current liabilities	$ 46,232		$ 20,929
Equity-based compensation	30,271	$ 32,180
Revenues	1,268,800	1,222,448
Related party receivable	2,100		10,900
EGH And Its Subsidiaries [Member]
Related Party Transaction [Line Items]
Reimbursed costs	100	$ 3,300
Other current liabilities	$ 24,201		$ 12,077
EGH And Its Subsidiaries [Member] \| TKO Group Holdings, Inc. [Member]
Related Party Transaction [Line Items]
Company's ownership interest percentage	60.90%	60.90%
Dwayne Johnson [Member]
Related Party Transaction [Line Items]
Royalties earned by related parties	$ 200	$ 100
Reimbursed costs	200	$ 1,900
License agreement term		10 years
Euroleague [Member] \| Technical Services [Member]
Related Party Transaction [Line Items]
Revenues	4,700	$ 3,500
Euroleague [Member] \| Production Services [Member]
Related Party Transaction [Line Items]
Revenues	4,800	4,400
Restricted Stock Units (RSUs) [Member] \| Dwayne Johnson [Member]
Related Party Transaction [Line Items]
Aggregate awards received by related parties	30,000
Equity-based compensation	$ 1,000	$ 9,000

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