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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |
Revenues | $ 3,223,243 |  | $ 2,858,695 |  | $ 6,400,154 | $ 5,680,932
Equity in subsidiaries' earnings | 0 |  | 0 |  | 0 | 0
Expenses |  |  |  |  |  |
Casino and hotel operations | 1,904,820 |  | 1,669,414 |  | 3,767,195 | 3,304,624
General and administrative | 524,424 |  | 438,453 |  | 1,049,536 | 856,343
Corporate expense | 108,061 |  | 103,438 |  | 237,497 | 202,947
Preopening and start-up expenses | 879 |  | 19,077 |  | 4,166 | 85,994
Property transactions, net | 5,790 |  | 16,970 |  | 14,566 | 22,868
Depreciation and amortization | 334,788 |  | 296,208 |  | 651,202 | 565,030
Total expenses | 2,878,762 |  | 2,543,560 |  | 5,724,162 | 5,037,806
Income from unconsolidated affiliates | 27,004 |  | 47,940 |  | 65,753 | 79,706
Operating income | 371,485 |  | 363,075 |  | 741,745 | 722,832
Interest expense, net of amounts capitalized | (215,829) |  | (181,493) |  | (431,949) | (349,402)
Other non-operating, net | (67,753) |  | (17,449) |  | (84,225) | (28,375)
Income before income taxes | 87,903 |  | 164,133 |  | 225,571 | 345,055
Benefit (provision) for income taxes | (11,734) |  | (23,710) |  | (83,245) | 61,669
Income from continuing operations, net of tax |  |  |  |  | 142,326 |
Income from discontinued operations, net of tax |  |  |  |  | 0 |
Net income | 76,169 |  | 140,423 |  | 142,326 | 406,724
Less: Net income attributable to noncontrolling interests | (32,764) |  | (16,646) |  | (67,624) | (59,503)
Net income attributable to MGM Resorts International | 43,405 |  | 123,777 |  | 74,702 | 347,221
Foreign currency translation adjustment | 26,380 | $ (12,405) | 1,400 | $ (24,152) | 13,975 | (22,752)
Unrealized gain (loss) on cash flow hedges | (26,298) |  | 5,335 |  | (39,621) | 19,191
Other comprehensive income (loss) | 82 |  | 6,735 |  | (25,646) | (3,561)
Comprehensive income | 76,251 |  | 147,158 |  | 116,680 | 403,163
Less: Comprehensive income attributable to noncontrolling interests | (34,743) |  | (19,138) |  | (59,387) | (55,569)
Comprehensive income attributable to MGM Resorts International | 41,508 |  | 128,020 |  | 57,293 | 347,594
Reportable Legal Entities [Member] | Parent [Member] |  |  |  |  |  |
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |
Revenues | 0 |  | 0 |  | 0 | 0
Equity in subsidiaries' earnings | 247,282 |  | 309,334 |  | 509,471 | 637,601
Expenses |  |  |  |  |  |
Casino and hotel operations | 2,058 |  | 2,562 |  | 4,517 | 5,277
General and administrative | 4,361 |  | 2,408 |  | 20,846 | 4,758
Corporate expense | 44,914 |  | 39,707 |  | 103,689 | 79,008
Preopening and start-up expenses | 0 |  | 0 |  | 0 | 0
Property transactions, net | 0 |  | 0 |  | 0 | 0
Depreciation and amortization | 0 |  | 0 |  | 0 | 0
Total expenses | 51,333 |  | 44,677 |  | 129,052 | 89,043
Income from unconsolidated affiliates | 0 |  | 0 |  | 0 | 0
Operating income | 195,949 |  | 264,657 |  | 380,419 | 548,558
Interest expense, net of amounts capitalized | (118,410) |  | (115,531) |  | (245,063) | (225,089)
Other non-operating, net | (22,485) |  | 15,356 |  | (3,859) | 31,128
Income before income taxes | 55,054 |  | 164,482 |  | 131,497 | 354,597
Benefit (provision) for income taxes | (11,649) |  | (40,705) |  | (56,795) | (7,376)
Income from continuing operations, net of tax |  |  |  |  | 74,702 |
Income from discontinued operations, net of tax |  |  |  |  | 0 |
Net income | 43,405 |  | 123,777 |  | 74,702 | 347,221
Less: Net income attributable to noncontrolling interests | 0 |  | 0 |  | 0 | 0
Net income attributable to MGM Resorts International | 43,405 |  | 123,777 |  | 74,702 | 347,221
Foreign currency translation adjustment | 14,754 |  | 583 |  | 7,848 | (12,785)
Unrealized gain (loss) on cash flow hedges | (16,651) |  | 3,660 |  | (25,257) | 13,158
Other comprehensive income (loss) | (1,897) |  | 4,243 |  | (17,409) | 373
Comprehensive income | 41,508 |  | 128,020 |  | 57,293 | 347,594
Less: Comprehensive income attributable to noncontrolling interests | 0 |  | 0 |  | 0 | 0
Comprehensive income attributable to MGM Resorts International | 41,508 |  | 128,020 |  | 57,293 | 347,594
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member] |  |  |  |  |  |
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |
Revenues | 2,075,487 |  | 1,937,394 |  | 4,079,614 | 3,827,187
Equity in subsidiaries' earnings | 26,291 |  | 22,519 |  | 66,388 | 67,054
Expenses |  |  |  |  |  |
Casino and hotel operations | 1,188,214 |  | 1,094,872 |  | 2,337,515 | 2,144,891
General and administrative | 569,622 |  | 315,659 |  | 1,091,988 | 626,509
Corporate expense | 54,037 |  | 53,652 |  | 107,044 | 104,059
Preopening and start-up expenses | 943 |  | 1,937 |  | 2,157 | 8,679
Property transactions, net | 4,348 |  | 17,083 |  | 12,162 | 22,225
Depreciation and amortization | 106,683 |  | 158,753 |  | 211,776 | 315,400
Total expenses | 1,923,847 |  | 1,641,956 |  | 3,762,642 | 3,221,763
Income from unconsolidated affiliates | 31,357 |  | 48,294 |  | 68,412 | 79,926
Operating income | 209,288 |  | 366,251 |  | 451,772 | 752,404
Interest expense, net of amounts capitalized | (209) |  | (156) |  | (417) | (293)
Other non-operating, net | 24,356 |  | (118,368) |  | 109,570 | (226,318)
Income before income taxes | 233,435 |  | 247,727 |  | 560,925 | 525,793
Benefit (provision) for income taxes | (3) |  | 0 |  | (8) | 0
Income from continuing operations, net of tax |  |  |  |  | 560,917 |
Income from discontinued operations, net of tax |  |  |  |  | 0 |
Net income | 233,432 |  | 247,727 |  | 560,917 | 525,793
Less: Net income attributable to noncontrolling interests | (1,422) |  | 0 |  | (2,859) | 0
Net income attributable to MGM Resorts International | 232,010 |  | 247,727 |  | 558,058 | 525,793
Foreign currency translation adjustment | 14,754 |  | 583 |  | 7,848 | (12,785)
Unrealized gain (loss) on cash flow hedges | 0 |  | 0 |  | 0 | 0
Other comprehensive income (loss) | 14,754 |  | 583 |  | 7,848 | (12,785)
Comprehensive income | 248,186 |  | 248,310 |  | 568,765 | 513,008
Less: Comprehensive income attributable to noncontrolling interests | 0 |  | 0 |  | 0 | 0
Comprehensive income attributable to MGM Resorts International | 248,186 |  | 248,310 |  | 568,765 | 513,008
Reportable Legal Entities [Member] | Non-Guarantor MGP Subsidiaries [Member] |  |  |  |  |  |
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |
Revenues | 225,759 |  | 220,390 |  | 429,182 | 436,229
Equity in subsidiaries' earnings | 0 |  | 0 |  | 0 | 0
Expenses |  |  |  |  |  |
Casino and hotel operations | 0 |  | 0 |  | 0 | 0
General and administrative | 5,918 |  | 27,219 |  | 11,479 | 49,718
Corporate expense | 3,960 |  | 10,746 |  | 16,989 | 21,227
Preopening and start-up expenses | 0 |  | 0 |  | 0 | 0
Property transactions, net | 310 |  | 14,426 |  | 1,423 | 18,512
Depreciation and amortization | 79,543 |  | 67,474 |  | 151,105 | 136,465
Total expenses | 89,731 |  | 119,865 |  | 180,996 | 225,922
Income from unconsolidated affiliates | 0 |  | 0 |  | 0 | 0
Operating income | 136,028 |  | 100,525 |  | 248,186 | 210,307
Interest expense, net of amounts capitalized | (63,977) |  | (49,276) |  | (127,925) | (98,506)
Other non-operating, net | (261) |  | (1,927) |  | 1,448 | (3,079)
Income before income taxes | 71,790 |  | 49,322 |  | 121,709 | 108,722
Benefit (provision) for income taxes | (4,021) |  | (1,263) |  | (3,792) | (2,494)
Income from continuing operations, net of tax |  |  |  |  | 117,917 |
Income from discontinued operations, net of tax |  |  |  |  | 16,216 |
Net income | 67,769 |  | 48,059 |  | 134,133 | 106,228
Less: Net income attributable to noncontrolling interests | (21,858) |  | (13,146) |  | (41,813) | (28,976)
Net income attributable to MGM Resorts International | 45,911 |  | 34,913 |  | 92,320 | 77,252
Foreign currency translation adjustment | 0 |  | 0 |  | 0 | 0
Unrealized gain (loss) on cash flow hedges | (30,775) |  | 6,281 |  | (46,387) | 22,636
Other comprehensive income (loss) | (30,775) |  | 6,281 |  | (46,387) | 22,636
Comprehensive income | 36,994 |  | 54,340 |  | 87,746 | 128,864
Less: Comprehensive income attributable to noncontrolling interests | (12,211) |  | (14,821) |  | (27,449) | (35,009)
Comprehensive income attributable to MGM Resorts International | 24,783 |  | 39,519 |  | 60,297 | 93,855
Reportable Legal Entities [Member] | Non-Guarantor Other Subsidiaries [Member] |  |  |  |  |  |
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |
Revenues | 1,147,755 |  | 921,382 |  | 2,320,540 | 1,854,329
Equity in subsidiaries' earnings | 0 |  | 0 |  | 0 | 0
Expenses |  |  |  |  |  |
Casino and hotel operations | 714,548 |  | 572,061 |  | 1,436,186 | 1,155,040
General and administrative | 188,511 |  | 120,386 |  | 377,460 | 225,076
Corporate expense | 5,150 |  | 5,192 |  | 9,775 | 10,544
Preopening and start-up expenses | (64) |  | 17,140 |  | 2,009 | 77,315
Property transactions, net | 1,185 |  | (113) |  | 981 | 643
Depreciation and amortization | 147,159 |  | 137,440 |  | 288,321 | 249,588
Total expenses | 1,056,489 |  | 852,106 |  | 2,114,732 | 1,718,206
Income from unconsolidated affiliates | (4,353) |  | (354) |  | (2,659) | (220)
Operating income | 86,913 |  | 68,922 |  | 203,149 | 135,903
Interest expense, net of amounts capitalized | (33,233) |  | (16,530) |  | (58,544) | (25,514)
Other non-operating, net | (13,033) |  | (49,288) |  | (10,569) | (95,975)
Income before income taxes | 40,647 |  | 3,104 |  | 134,036 | 14,414
Benefit (provision) for income taxes | 3,939 |  | 18,258 |  | (22,650) | 71,539
Income from continuing operations, net of tax |  |  |  |  | 111,386 |
Income from discontinued operations, net of tax |  |  |  |  | 0 |
Net income | 44,586 |  | 21,362 |  | 111,386 | 85,953
Less: Net income attributable to noncontrolling interests | (9,891) |  | (3,500) |  | (22,952) | (30,527)
Net income attributable to MGM Resorts International | 34,695 |  | 17,862 |  | 88,434 | 55,426
Foreign currency translation adjustment | 26,380 |  | 1,400 |  | 13,975 | (22,752)
Unrealized gain (loss) on cash flow hedges | 0 |  | 0 |  | 0 | 0
Other comprehensive income (loss) | 26,380 |  | 1,400 |  | 13,975 | (22,752)
Comprehensive income | 70,966 |  | 22,762 |  | 125,361 | 63,201
Less: Comprehensive income attributable to noncontrolling interests | (22,532) |  | (4,317) |  | (31,938) | (20,560)
Comprehensive income attributable to MGM Resorts International | 48,434 |  | 18,445 |  | 93,423 | 42,641
Elimination [Member] |  |  |  |  |  |
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |
Revenues | (225,758) |  | (220,471) |  | (429,182) | (436,813)
Equity in subsidiaries' earnings | (273,573) |  | (331,853) |  | (575,859) | (704,655)
Expenses |  |  |  |  |  |
Casino and hotel operations | 0 |  | (81) |  | (11,023) | (584)
General and administrative | (243,988) |  | (27,219) |  | (452,237) | (49,718)
Corporate expense | 0 |  | (5,859) |  | 0 | (11,891)
Preopening and start-up expenses | 0 |  | 0 |  | 0 | 0
Property transactions, net | (53) |  | (14,426) |  | 0 | (18,512)
Depreciation and amortization | 1,403 |  | (67,459) |  | 0 | (136,423)
Total expenses | (242,638) |  | (115,044) |  | (463,260) | (217,128)
Income from unconsolidated affiliates | 0 |  | 0 |  | 0 | 0
Operating income | (256,693) |  | (437,280) |  | (541,781) | (924,340)
Interest expense, net of amounts capitalized | 0 |  | 0 |  | 0 | 0
Other non-operating, net | (56,330) |  | 136,778 |  | (180,815) | 265,869
Income before income taxes | (313,023) |  | (300,502) |  | (722,596) | (658,471)
Benefit (provision) for income taxes | 0 |  | 0 |  | 0 | 0
Income from continuing operations, net of tax |  |  |  |  | (722,596) |
Income from discontinued operations, net of tax |  |  |  |  | (16,216) |
Net income | (313,023) |  | (300,502) |  | (738,812) | (658,471)
Less: Net income attributable to noncontrolling interests | 407 |  | 0 |  | 0 | 0
Net income attributable to MGM Resorts International | (312,616) |  | (300,502) |  | (738,812) | (658,471)
Foreign currency translation adjustment | (29,508) |  | (1,166) |  | (15,696) | 25,570
Unrealized gain (loss) on cash flow hedges | 21,128 |  | (4,606) |  | 32,023 | (16,603)
Other comprehensive income (loss) | (8,380) |  | (5,772) |  | 16,327 | 8,967
Comprehensive income | (321,403) |  | (306,274) |  | (722,485) | (649,504)
Less: Comprehensive income attributable to noncontrolling interests | 0 |  | 0 |  | 0 | 0
Comprehensive income attributable to MGM Resorts International | $ (321,403) |  | $ (306,274) |  | $ (722,485) | $ (649,504)

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