REVENUE (Summary of Company's Revenue Disaggregated by Primary Revenue Sources) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 2,804,341	$ 1,674,968	$ 1,140,147
Revenue, Remaining Performance Obligation, Amount	6,961,677
UFC Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,406,241	1,292,201	1,140,147
UFC Segment [Member] | Media Rights and Content [Member]
Disaggregation of Revenue [Line Items]
Revenue	879,427	870,551	794,397
UFC Segment [Member] | Live Events [Member]
Disaggregation of Revenue [Line Items]
Revenue	220,400	167,942	125,271
UFC Segment [Member] | Sponsorship [Member]
Disaggregation of Revenue [Line Items]
Revenue	251,407	196,296	166,845
UFC Segment [Member] | Consumer Products Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	55,007	57,412	$ 53,634
WWE Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,398,100	382,767
WWE Segment [Member] | Media Rights and Content [Member]
Disaggregation of Revenue [Line Items]
Revenue	865,460	249,496
WWE Segment [Member] | Live Events [Member]
Disaggregation of Revenue [Line Items]
Revenue	338,555	87,705
WWE Segment [Member] | Sponsorship [Member]
Disaggregation of Revenue [Line Items]
Revenue	82,991	17,957
WWE Segment [Member] | Consumer Products Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 111,094	$ 27,609