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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Income Tax Disclosure [Line Items] |  |
Effective income tax rate | 28.00% | 51.90%
Income tax expense (benefit) | $ 262,304 | $ 71,511
Macau [Member] |  |
Income Tax Disclosure [Line Items] |  |
Increase in tax credit carry forward valuation allowance | 25,000 |
Increase in foreign tax credit carry forward valuation allowance | 13,000 |
Income tax expense (benefit) | $ (6,000) |
Special gaming tax rate | 35.00% |
Macau [Member] | MGM Grand Paradise SA [Member] |  |
Income Tax Disclosure [Line Items] |  |
Macau's complementary tax rate on distributions of gaming profits (as a percent) | 12.00% |
Macau [Member] | MGP BREIT Venture [Member] |  |
Income Tax Disclosure [Line Items] |  |
Income tax expense (benefit) | $ 349,000 |

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