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Condensed Consolidating Financial Information - Schedule of Condensed Consolidating Statement of Operations and Comprehensive Income (Loss) Information (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Condensed Income Statements Captions [Line Items] |  |
Revenues | $ 3,176,911 | $ 2,822,237
Equity in subsidiaries' earnings | 0 | 0
Expenses |  |
Casino and hotel operations | 1,862,375 | 1,635,210
General and administrative | 525,112 | 417,890
Corporate expense | 129,436 | 99,509
Preopening and start-up expenses | 3,287 | 66,917
Property transactions, net | 8,776 | 5,898
Depreciation and amortization | 316,414 | 268,822
Total expenses | 2,845,400 | 2,494,246
Income from unconsolidated affiliates | 38,749 | 31,766
Operating income | 370,260 | 359,757
Interest expense, net of amounts capitalized | (216,120) | (167,909)
Other non-operating, net | (16,472) | (10,926)
Income before income taxes | 137,668 | 180,922
Benefit (provision) for income taxes | (71,511) | 85,379
Net income | 66,157 | 266,301
Less: Net income attributable to noncontrolling interests | (34,860) | (42,857)
Net income attributable to MGM Resorts International | 31,297 | 223,444
Net income | 66,157 | 266,301
Other comprehensive income (loss), net of tax: |  |
Foreign currency translation adjustment | (12,405) | (24,152)
Unrealized loss on cash flow hedges | (13,323) | 13,856
Other comprehensive loss | (25,728) | (10,296)
Comprehensive income | 40,429 | 256,005
Less: Comprehensive income attributable to noncontrolling interests | (24,644) | (36,431)
Comprehensive income attributable to MGM Resorts International | 15,785 | 219,574
Reportable Legal Entities [Member] | Parent [Member] |  |
Condensed Income Statements Captions [Line Items] |  |
Revenues | 0 | 0
Equity in subsidiaries' earnings | 259,299 | 328,267
Expenses |  |
Casino and hotel operations | 2,459 | 2,715
General and administrative | 16,485 | 2,350
Corporate expense | 58,775 | 39,301
Preopening and start-up expenses | 0 | 0
Property transactions, net | 0 | 0
Depreciation and amortization | 0 | 0
Total expenses | 77,719 | 44,366
Income from unconsolidated affiliates | 0 | 0
Operating income | 181,580 | 283,901
Interest expense, net of amounts capitalized | (126,653) | (109,558)
Other non-operating, net | 18,626 | 15,772
Income before income taxes | 73,553 | 190,115
Benefit (provision) for income taxes | (42,256) | 33,329
Net income | 31,297 | 223,444
Less: Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to MGM Resorts International | 31,297 | 223,444
Net income | 31,297 | 223,444
Other comprehensive income (loss), net of tax: |  |
Foreign currency translation adjustment | (6,906) | (13,368)
Unrealized loss on cash flow hedges | (8,606) | 9,498
Other comprehensive loss | (15,512) | (3,870)
Comprehensive income | 15,785 | 219,574
Less: Comprehensive income attributable to noncontrolling interests | 0 | 0
Comprehensive income attributable to MGM Resorts International | 15,785 | 219,574
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member] |  |
Condensed Income Statements Captions [Line Items] |  |
Revenues | 1,936,286 | 1,889,793
Equity in subsidiaries' earnings | 40,097 | 44,535
Expenses |  |
Casino and hotel operations | 1,104,372 | 1,050,019
General and administrative | 522,007 | 310,850
Corporate expense | 53,007 | 50,407
Preopening and start-up expenses | 1,214 | 6,742
Property transactions, net | 7,814 | 5,142
Depreciation and amortization | 101,646 | 156,647
Total expenses | 1,790,060 | 1,579,807
Income from unconsolidated affiliates | 37,055 | 31,632
Operating income | 223,378 | 386,153
Interest expense, net of amounts capitalized | (208) | (137)
Other non-operating, net | 85,214 | (107,950)
Income before income taxes | 308,384 | 278,066
Benefit (provision) for income taxes | (5) | 0
Net income | 308,379 | 278,066
Less: Net income attributable to noncontrolling interests | (1,437) | 0
Net income attributable to MGM Resorts International | 306,942 | 278,066
Net income | 308,379 | 278,066
Other comprehensive income (loss), net of tax: |  |
Foreign currency translation adjustment | (6,906) | (13,368)
Unrealized loss on cash flow hedges | 0 | 0
Other comprehensive loss | (6,906) | (13,368)
Comprehensive income | 301,473 | 264,698
Less: Comprehensive income attributable to noncontrolling interests | 0 | 0
Comprehensive income attributable to MGM Resorts International | 301,473 | 264,698
Reportable Legal Entities [Member] | Non-Guarantor MGP Subsidiaries [Member] |  |
Condensed Income Statements Captions [Line Items] |  |
Revenues | 271,264 | 215,839
Equity in subsidiaries' earnings | 0 | 0
Expenses |  |
Casino and hotel operations | 44,929 | 0
General and administrative | 5,920 | 22,499
Corporate expense | 13,029 | 10,481
Preopening and start-up expenses | 0 | 0
Property transactions, net | 1,113 | 4,086
Depreciation and amortization | 75,009 | 68,991
Total expenses | 140,000 | 106,057
Income from unconsolidated affiliates | 0 | 0
Operating income | 131,264 | 109,782
Interest expense, net of amounts capitalized | (63,948) | (49,230)
Other non-operating, net | 1,709 | (1,152)
Income before income taxes | 69,025 | 59,400
Benefit (provision) for income taxes | (2,661) | (1,231)
Net income | 66,364 | 58,169
Less: Net income attributable to noncontrolling interests | (19,955) | (15,830)
Net income attributable to MGM Resorts International | 46,409 | 42,339
Net income | 66,364 | 58,169
Other comprehensive income (loss), net of tax: |  |
Foreign currency translation adjustment | 0 | 0
Unrealized loss on cash flow hedges | (15,612) | 16,355
Other comprehensive loss | (15,612) | 16,355
Comprehensive income | 50,752 | 74,524
Less: Comprehensive income attributable to noncontrolling interests | (15,238) | (20,188)
Comprehensive income attributable to MGM Resorts International | 35,514 | 54,336
Reportable Legal Entities [Member] | Non-Guarantor Other Subsidiaries [Member] |  |
Condensed Income Statements Captions [Line Items] |  |
Revenues | 1,172,785 | 932,947
Equity in subsidiaries' earnings | 0 | 0
Expenses |  |
Casino and hotel operations | 721,638 | 582,979
General and administrative | 188,949 | 104,690
Corporate expense | 4,625 | 5,352
Preopening and start-up expenses | 2,073 | 60,175
Property transactions, net | (204) | 756
Depreciation and amortization | 141,162 | 112,148
Total expenses | 1,058,243 | 866,100
Income from unconsolidated affiliates | 1,694 | 134
Operating income | 116,236 | 66,981
Interest expense, net of amounts capitalized | (25,311) | (8,984)
Other non-operating, net | 2,464 | (46,687)
Income before income taxes | 93,389 | 11,310
Benefit (provision) for income taxes | (26,589) | 53,281
Net income | 66,800 | 64,591
Less: Net income attributable to noncontrolling interests | (13,061) | (27,027)
Net income attributable to MGM Resorts International | 53,739 | 37,564
Net income | 66,800 | 64,591
Other comprehensive income (loss), net of tax: |  |
Foreign currency translation adjustment | (12,405) | (24,152)
Unrealized loss on cash flow hedges | 0 | 0
Other comprehensive loss | (12,405) | (24,152)
Comprehensive income | 54,395 | 40,439
Less: Comprehensive income attributable to noncontrolling interests | (9,406) | (16,243)
Comprehensive income attributable to MGM Resorts International | 44,989 | 24,196
Elimination [Member] |  |
Condensed Income Statements Captions [Line Items] |  |
Revenues | (203,424) | (216,342)
Equity in subsidiaries' earnings | (299,396) | (372,802)
Expenses |  |
Casino and hotel operations | (11,023) | (503)
General and administrative | (208,249) | (22,499)
Corporate expense | 0 | (6,032)
Preopening and start-up expenses | 0 | 0
Property transactions, net | 53 | (4,086)
Depreciation and amortization | (1,403) | (68,964)
Total expenses | (220,622) | (102,084)
Income from unconsolidated affiliates | 0 | 0
Operating income | (282,198) | (487,060)
Interest expense, net of amounts capitalized | 0 | 0
Other non-operating, net | (124,485) | 129,091
Income before income taxes | (406,683) | (357,969)
Benefit (provision) for income taxes | 0 | 0
Net income | (406,683) | (357,969)
Less: Net income attributable to noncontrolling interests | (407) | 0
Net income attributable to MGM Resorts International | (407,090) | (357,969)
Net income | (406,683) | (357,969)
Other comprehensive income (loss), net of tax: |  |
Foreign currency translation adjustment | 13,812 | 26,736
Unrealized loss on cash flow hedges | 10,895 | (11,997)
Other comprehensive loss | 24,707 | 14,739
Comprehensive income | (381,976) | (343,230)
Less: Comprehensive income attributable to noncontrolling interests | 0 | 0
Comprehensive income attributable to MGM Resorts International | $ (381,976) | $ (343,230)

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