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ORGANIZATION - Additional Information (Detail) - vote | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
MGP BREIT Venture |  |
Organization Disclosure [Line Items] |  |
Percentage ownership interest | 50.10% | 50.10%
Bellagio BREIT Venture |  |
Organization Disclosure [Line Items] |  |
Percentage of minority interest | 5.00% |
Bellagio BREIT Venture | Subsidiary of Blackstone Real Estate Income Trust |  |
Organization Disclosure [Line Items] |  |
Percentage of ownership interest | 95.00% |
MGP BREIT Venture |  |
Organization Disclosure [Line Items] |  |
Percentage of minority interest | 49.90% |
MGM Growth Properties LLC |  |
Organization Disclosure [Line Items] |  |
Minimum ownership percentage required for majority voting interest | 30.00% |
Partnership interest | 41.50% |
Percentage of minority interest | 58.50% |
Class A shares | Non-Guarantor MGP Subsidiaries |  |
Organization Disclosure [Line Items] |  |
Common stock, number of votes per share | 1 |

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685 + Details
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