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Investments in and Advances to Unconsolidated Affiliates - Tabular Disclosure of Differences between Share of Venture-Level Equity and Investment Balances (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule Of Equity Method Investments [Line Items] |  |
Venture-level equity attributable to the Company | $ 2,981,550 | $ 2,399,993
Other adjustments | 49,698 | 41,461
Investment balance | 1,447,043 | 822,366
CityCenter Holdings LLC As Investee [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Adjustment to CityCenter equity upon contribution of net assets by MGM resorts International | (504,171) | (509,382)
CityCenter capitalized interest | 168,966 | 177,898
CityCenter completion guarantee | 248,730 | 261,708
CityCenter deferred gain | (208,204) | (210,240)
CityCenter capitalized interest on sponsor notes | (33,010) | (34,755)
Other-than-temporary impairments of investment | (1,256,516) | (1,304,317)
Investment balance | $ 441,893 | $ 568,879

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- Definition The item represents the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and the amount of underlying equity in net assets the reporting Entity has in the investee attributable to interest capitalized during the unconsolidated affiliate's development and construction stages. + References No definition available. + Details
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- Definition The item represents the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and the amount of underlying equity in net assets the reporting Entity has in the investee attributable to the entity's completion guarantee obligations. + References No definition available. + Details
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- Definition The item represents the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and the amount of underlying equity in net assets the reporting Entity has in the investee attributable to net assets contributed by the entity. + References No definition available. + Details
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- Definition The item represents the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and the amount of underlying equity in net assets the reporting Entity has in the investee attributable to other adjustments not otherwise specified. + References No definition available. + Details
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- Definition The item represents the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and the amount of underlying equity in net assets the reporting Entity has in the investee attributable to the write-down of investment. + References No definition available. + Details
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- Definition This item represents the entity's ownership percentage in the investee multiplied by the investee's total equity. + 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)(3) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Amount of investment in equity method investee and investment in and advance to affiliate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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