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EARNINGS PER SHARE (Schedule of Basic and Diluted Earnings Per Share and Weighted Average Shares Outstanding) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
Sep. 30, 2023
Mar. 31, 2024
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss attributable to TKO Group Holdings, Inc.   $ (103,840)
Weighted average Class A Common Shares outstanding - Basic   82,351,654
Weighted average dilutive common shares outstanding   82,351,654
Basic net loss per share $ (1.26) $ (1.26) [1]
Diluted net loss per share $ (1.26) $ (1.26) [1]
Restricted Stock Units (RSUs) [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Securities that are anti-dilutive this period   2,411,618
Performance Stock Units (PSUs) [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Securities that are anti-dilutive this period   317,376
Common Class B [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Securities that are anti-dilutive this period   89,616,891
[1] Basic and diluted net loss per share of Class A common stock is applicable only for the period from January 1, 2024 through March 31, 2024, which is the period following the Transactions (as defined in Note 1 to the unaudited consolidated financial statements). See Note 13, Earnings Per Share, for the calculation of the number of shares used in computation of net loss per share of Class A common stock and the basis for computation of net loss per share.