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Stockholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income Attributable to MGM Resorts International by Component (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items] |
Beginning Balance | $ 10,469,791
Ending Balance | 11,217,865
Empire City MGP [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 5,027
MGM Growth Properties LLC [Member] | Class A Shareholders [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Share issuance | 528,843
Park MGM [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 528
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest |
Accumulated Other Comprehensive Income Loss [Line Items] |
Beginning Balance | (18,872)
Other comprehensive income (loss) before reclassifications | (12,405)
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense | 0
Other | 0
Other comprehensive income (loss), net of tax | (12,405)
Less: Other comprehensive (income) loss attributable to noncontrolling interest | 5,499
Ending Balance | (25,778)
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest | Empire City MGP [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 0
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest | MGM Growth Properties LLC [Member] | Class A Shareholders [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Share issuance | 0
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest | Park MGM [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 0
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest |
Accumulated Other Comprehensive Income Loss [Line Items] |
Beginning Balance | 9,144
Other comprehensive income (loss) before reclassifications | (11,476)
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense | (1,847)
Other | 0
Other comprehensive income (loss), net of tax | (13,323)
Less: Other comprehensive (income) loss attributable to noncontrolling interest | 4,717
Ending Balance | 538
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest | Empire City MGP [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 0
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest | MGM Growth Properties LLC [Member] | Class A Shareholders [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Share issuance | 0
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest | Park MGM [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 0
Accumulated Other Adjustment Including Portion Attributable To Noncontrolling Interest |
Accumulated Other Comprehensive Income Loss [Line Items] |
Beginning Balance | 1,172
Other comprehensive income (loss) before reclassifications | 0
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense | 0
Other | 23
Other comprehensive income (loss), net of tax | (540)
Less: Other comprehensive (income) loss attributable to noncontrolling interest | 0
Ending Balance | 632
Accumulated Other Adjustment Including Portion Attributable To Noncontrolling Interest | Empire City MGP [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 195
Accumulated Other Adjustment Including Portion Attributable To Noncontrolling Interest | MGM Growth Properties LLC [Member] | Class A Shareholders [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Share issuance | (774)
Accumulated Other Adjustment Including Portion Attributable To Noncontrolling Interest | Park MGM [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 16
AOCI Including Portion Attributable to Noncontrolling Interest |
Accumulated Other Comprehensive Income Loss [Line Items] |
Beginning Balance | (8,556)
Other comprehensive income (loss) before reclassifications | (23,881)
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense | (1,847)
Other | 23
Other comprehensive income (loss), net of tax | (26,268)
Less: Other comprehensive (income) loss attributable to noncontrolling interest | 10,216
Ending Balance | (24,608)
AOCI Including Portion Attributable to Noncontrolling Interest | Empire City MGP [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | 195
AOCI Including Portion Attributable to Noncontrolling Interest | MGM Growth Properties LLC [Member] | Class A Shareholders [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Share issuance | (774)
AOCI Including Portion Attributable to Noncontrolling Interest | Park MGM [Member] |
Accumulated Other Comprehensive Income Loss [Line Items] |
Acquisition transaction | $ 16

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