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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands, ¥ in Millions, MOP$ in Millions	1 Months Ended	3 Months Ended				9 Months Ended
	Jan. 31, 2023 MOP (MOP$)	Sep. 30, 2024 USD ($)	Sep. 30, 2024 JPY (¥)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 JPY (¥)	Sep. 30, 2024 USD ($)	Sep. 30, 2024 JPY (¥)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 JPY (¥)	Sep. 30, 2024 MOP (MOP$)	Sep. 30, 2024 JPY (¥)	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Funded amount						$ 182,078		$ 144,452
Long-term debt, gross		$ 6,954,295				6,954,295						$ 6,371,852
Senior Credit Facility
Loss Contingencies [Line Items]
Credit facility outstanding		28,000				28,000
Revolving Credit Facility
Loss Contingencies [Line Items]
Long-term debt, gross		$ 1,350,000				$ 1,350,000
Osaka IR KK | Japan
Loss Contingencies [Line Items]
Guarantor obligations (as a percent)		50.00%				50.00%				50.00%	50.00%
Commitment amount		$ 1,900,000				$ 1,900,000					¥ 271,000
Funded amount		138,000	¥ 22,200	$ 69,000	¥ 10,300	157,000	¥ 25,200	$ 69,000	¥ 10,300
Osaka IR KK | Japan | Asset Pledged as Collateral
Loss Contingencies [Line Items]
Equity method investment		302,000				302,000
Performance Guarantee | Osaka IR KK | Japan
Loss Contingencies [Line Items]
Obligation amount		88,000				88,000					¥ 12,650
Blackstone Real Estate Income Trust
Loss Contingencies [Line Items]
Obligation amount		3,010,000				3,010,000
Mandalay Bay and MGM Grand Las Vegas
Loss Contingencies [Line Items]
Obligation amount		3,000,000				3,000,000
MGM Grand Paradise SA | January 2023 Concessions
Loss Contingencies [Line Items]
Obligation amount	MOP$ 1,000	125,000				125,000
Guarantee expiration, days after the end of the concession term	180 days
MGM Grand Paradise SA | June 2022 Sub Concession Extension Contract
Loss Contingencies [Line Items]
Obligation amount		$ 87,000				$ 87,000				MOP$ 700		$ 87,000

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