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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 |  |  |  |  |  |  |  |  |  |  |  |

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