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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Income Tax Disclosure [Line Items]    
Effective income tax rate 51.90% (47.20%)
Income tax expense $ 71,511 $ (85,379)
Empire City [Member]    
Income Tax Disclosure [Line Items]    
Increase in deferred tax liabilities 10,000  
Income tax expense 10,000  
Macau [Member]    
Income Tax Disclosure [Line Items]    
Increase in valuation allowance on foreign tax credit 10,000  
Income tax expense $ 10,000  
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%  
Increase in deferred tax liabilities $ 35,000