ACQUISITIONS AND DIVESTITURES - Additional Information (Details) $ / shares in Units, $ in Thousands								1 Months Ended			3 Months Ended	4 Months Ended	7 Months Ended	12 Months Ended
	Aug. 31, 2023 USD ($)	Feb. 15, 2023 USD ($)	Dec. 19, 2022 USD ($)	Sep. 22, 2022 USD ($)	May 17, 2022 USD ($)	Apr. 29, 2022 USD ($)	Jul. 30, 2021 $ / shares	Feb. 28, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 22, 2022 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2024 USD ($) class	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 07, 2022	May 02, 2022 kr / shares	Apr. 28, 2022
Business Acquisition [Line Items]
Goodwill									$ 5,029,312			$ 5,029,312	$ 5,029,312	$ 5,145,004	$ 5,165,694	$ 5,029,312
Number of classes of common stock | class														2
Gain (loss) on sale of real estate assets														$ 0	0	2,277,747
Noncontrolling interests														661,670	522,975
Proceeds from sale of operating resorts														$ 0	$ 460,392	$ 1,054,313
V I C I Properties Inc
Business Acquisition [Line Items]
Cash tender price						$ 4,400,000
Business acquisition, share exchange ratio						1.366
Operating partnership units received (in shares)						1.00%
Business combination retaining ownership interest						$ 375,000
MGM Growth Properties Operating Partnership LP
Business Acquisition [Line Items]
Ownership interest by noncontrolling owner																			41.50%
MGM Growth Properties Operating Partnership LP | MGM Growth Properties LLC
Business Acquisition [Line Items]
Ownership interest by parent																			58.50%
MGP BREIT Venture | Subsidiary of MGP OP
Business Acquisition [Line Items]
Ownership interest by parent																			50.10%
Discontinued Operations, Disposed of by Sale | The Mirage
Business Acquisition [Line Items]
Gain (loss) on sale of real estate assets			$ 1,100,000
Consideration received from sale of real estate assets			1,100,000
Carrying value of assets and liabilities and comprehensive income			28,000
Proceeds from sale of operating resorts			1,075,000
Decrease in annual rent payment			$ 90,000						$ 90,000
Discontinued Operations, Disposed of by Sale | M G P
Business Acquisition [Line Items]
Gain (loss) on sale of real estate assets						2,300,000
Consideration received from sale of real estate assets						4,800,000
Noncontrolling interests						3,200,000
Carrying value of assets and liabilities and comprehensive income						$ 5,700,000
Disposal Group, Held-for-Sale, Not Discontinued Operations | Gold Strike Tunica
Business Acquisition [Line Items]
Gain (loss) on sale of real estate assets		$ 399,000
Consideration received from sale of real estate assets		474,000
Carrying value of assets and liabilities and comprehensive income		75,000
Proceeds from sale of operating resorts		450,000
Decrease in annual rent payment		$ 40,000						$ 40,000
Push Gaming
Business Acquisition [Line Items]
Ownership interest acquired (in percent)	86.00%
Cash tender price	$ 146,000
Goodwill	126,000
Amortizable intangible assets	$ 40,000
LeoVegas
Business Acquisition [Line Items]
Ownership interest acquired (in percent)				2.00%						2.00%							65.00%
Cash tender price										$ 370,000
Shares tendered (in percent)																		1
Tender offer price (in krona per share) | kr / shares																		kr 61
Operating partnership equity interest (in percent)																	31.00%
Equity interests issued and issuable				$ 172,000
Remaining outstanding shares, fair value											$ 11,000
Assets acquired and liabilities assumed				$ 556,000						$ 556,000
Acquiree net revenue												133,000
Acquiree operating income (loss)												(13,000)
Acquiree net income (loss)												$ (15,000)
Cosmopolitan of Las Vegas
Business Acquisition [Line Items]
Ownership interest acquired (in percent)					100.00%
Cash tender price					$ 1,700,000
Acquiree net revenue													783,000
Acquiree operating income (loss)													117,000
Acquiree net income (loss)													$ 117,000
Cash consideration for acquisition					$ 1,625,000
M G P | V I C I Properties Inc
Business Acquisition [Line Items]
Business acquisition, share price | $ / shares							$ 43
Volume weighted average price, period							5 days