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Basis of Presentation and Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of ownership interest | 100.00% |  |
Percentage of minority interest | 39.40% |  |
Total assets | $ 39,118,905 |  | $ 33,876,356
Investments in and advances to unconsolidated affiliates | 1,596,170 |  | $ 822,366
Commissions, complimentaries and other incentives | 454,000 | $ 602,000 |
Food and Beverage Revenue [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Lease revenue | 10,000 | 12,000 |
Entertainment Retail and Other Revenue [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Lease revenue | $ 19,000 | $ 22,000 |
Bellagio Blackstone Real Estate Income Trust [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of ownership interest | 5.00% |  |
Investments in and advances to unconsolidated affiliates | $ 61,000 |  |
MGM Growth Properties LLC [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Total assets | 11,900,000 |  |
Total liabilities | $ 4,800,000 |  |

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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