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Condensed Consolidating Financial Information - Schedule of Condensed Consolidating Statement of Cash Flows Information (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | $ 399,782 | $ 577,664
Cash flows from investing activities |  |
Capital expenditures, net of construction payable | (183,252) | (418,624)
Dispositions of property and equipment | 341 | 225
Investments in unconsolidated affiliates | (9,558) | (2,503)
Distributions from unconsolidated affiliates | 31,850 | 0
Intercompany accounts | 0 | 0
Other | (30,511) | (11,475)
Net cash used in investing activities | (726,811) | (432,377)
Cash flows from financing activities |  |
Net borrowings (repayments) under bank credit facilities – maturities of 90 days or less | (289,767) | 380,035
Issuance of long-term debt | 750,000 | 0
Retirement of senior notes and senior debentures | (850,000) | (2,265)
Debt issuance costs | (10,111) | (4,544)
Issuance of MGM Growth Properties common stock in public offering | 571,838 | 0
MGM Growth Properties Class A share issuance costs | (23,447) | 0
MGP dividends paid to consolidated subsidiaries | 0 | 0
Purchases of common stock | 0 | (362,400)
Dividends paid to common shareholders | (69,799) | (67,999)
Distributions to noncontrolling interest owners | (46,539) | (47,380)
Intercompany accounts | 0 | 0
Other | (7,324) | (12,497)
Net cash provided by (used in) financing activities | 24,851 | (117,050)
Effect of exchange rate on cash | (1,180) | (2,830)
Cash and cash equivalents |  |
Net increase (decrease) for the period | (303,358) | 25,407
Balance, beginning of period | 1,526,762 | 1,499,995
Balance, end of period | 1,223,404 | 1,525,402
Empire City [Member] |  |
Cash flows from investing activities |  |
Acquisition, net of cash acquired | (535,681) | 0
Reportable Legal Entities [Member] | Parent [Member] |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | (107,623) | (157,092)
Cash flows from investing activities |  |
Capital expenditures, net of construction payable | 0 | 0
Dispositions of property and equipment | 0 | 0
Investments in unconsolidated affiliates | 0 | 0
Distributions from unconsolidated affiliates | 0 |
Intercompany accounts | 0 | 0
Other | 0 | 0
Net cash used in investing activities | 0 | 0
Cash flows from financing activities |  |
Net borrowings (repayments) under bank credit facilities – maturities of 90 days or less | 320,000 | 516,875
Issuance of long-term debt | 0 |
Retirement of senior notes and senior debentures | (850,000) | 0
Debt issuance costs | (128) | 0
Issuance of MGM Growth Properties common stock in public offering | 0 |
MGM Growth Properties Class A share issuance costs | 0 |
MGP dividends paid to consolidated subsidiaries | 0 | 0
Purchases of common stock |  | (362,400)
Dividends paid to common shareholders | (69,799) | (67,999)
Distributions to noncontrolling interest owners | 0 | 0
Intercompany accounts | 523,231 | 111,580
Other | (5,073) | (8,297)
Net cash provided by (used in) financing activities | (81,769) | 189,759
Effect of exchange rate on cash | 0 | 0
Cash and cash equivalents |  |
Net increase (decrease) for the period | (189,392) | 32,667
Balance, beginning of period | 259,738 | 26,870
Balance, end of period | 70,346 | 59,537
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member] |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | 782,436 | 237,173
Cash flows from investing activities |  |
Capital expenditures, net of construction payable | (108,690) | (181,743)
Dispositions of property and equipment | 273 | 220
Investments in unconsolidated affiliates | (9,558) | (2,503)
Distributions from unconsolidated affiliates | 31,850 |
Intercompany accounts | (787,991) | (102,195)
Other | (3,500) | (9,937)
Net cash used in investing activities | (1,413,297) | (296,158)
Cash flows from financing activities |  |
Net borrowings (repayments) under bank credit facilities – maturities of 90 days or less | 245,950 | 0
Issuance of long-term debt | 0 |
Retirement of senior notes and senior debentures | 0 | (2,265)
Debt issuance costs | 0 | 0
Issuance of MGM Growth Properties common stock in public offering | 0 |
MGM Growth Properties Class A share issuance costs | 0 |
MGP dividends paid to consolidated subsidiaries | 0 | 0
Purchases of common stock |  | 0
Dividends paid to common shareholders | 0 | 0
Distributions to noncontrolling interest owners | 0 | 0
Intercompany accounts | 407,838 | 26,042
Other | (2,198) | (2,793)
Net cash provided by (used in) financing activities | 651,590 | 20,984
Effect of exchange rate on cash | 0 | 0
Cash and cash equivalents |  |
Net increase (decrease) for the period | 20,729 | (38,001)
Balance, beginning of period | 389,601 | 311,043
Balance, end of period | 410,330 | 273,042
Reportable Legal Entities [Member] | Non-Guarantor MGP Subsidiaries [Member] |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | (439,533) | 145,224
Cash flows from investing activities |  |
Capital expenditures, net of construction payable | (12) | (177)
Dispositions of property and equipment | 0 | 0
Investments in unconsolidated affiliates | 0 | 0
Distributions from unconsolidated affiliates | 0 |
Intercompany accounts | 0 | 0
Other | 0 | 0
Net cash used in investing activities | (12) | (177)
Cash flows from financing activities |  |
Net borrowings (repayments) under bank credit facilities – maturities of 90 days or less | (715,575) | (8,375)
Issuance of long-term debt | 750,000 |
Retirement of senior notes and senior debentures | 0 | 0
Debt issuance costs | (9,983) | (4,544)
Issuance of MGM Growth Properties common stock in public offering | 571,838 |
MGM Growth Properties Class A share issuance costs | (23,447) |
MGP dividends paid to consolidated subsidiaries | (87,322) | (81,956)
Purchases of common stock |  | 0
Dividends paid to common shareholders | 0 | 0
Distributions to noncontrolling interest owners | (31,733) | (29,777)
Intercompany accounts | 0 | 0
Other | 0 | 0
Net cash provided by (used in) financing activities | 453,778 | (124,652)
Effect of exchange rate on cash | 0 | 0
Cash and cash equivalents |  |
Net increase (decrease) for the period | 14,233 | 20,395
Balance, beginning of period | 59,817 | 259,722
Balance, end of period | 74,050 | 280,117
Reportable Legal Entities [Member] | Non-Guarantor Other Subsidiaries [Member] |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | 164,502 | 352,359
Cash flows from investing activities |  |
Capital expenditures, net of construction payable | (74,550) | (236,704)
Dispositions of property and equipment | 68 | 5
Investments in unconsolidated affiliates | 0 | 0
Distributions from unconsolidated affiliates | 0 |
Intercompany accounts | 0 | 0
Other | (27,011) | (1,538)
Net cash used in investing activities | (101,493) | (238,237)
Cash flows from financing activities |  |
Net borrowings (repayments) under bank credit facilities – maturities of 90 days or less | (140,142) | (128,465)
Issuance of long-term debt | 0 |
Retirement of senior notes and senior debentures | 0 | 0
Debt issuance costs | 0 | 0
Issuance of MGM Growth Properties common stock in public offering | 0 |
MGM Growth Properties Class A share issuance costs | 0 |
MGP dividends paid to consolidated subsidiaries | 0 | 0
Purchases of common stock |  | 0
Dividends paid to common shareholders | 0 | 0
Distributions to noncontrolling interest owners | (14,806) | (17,603)
Intercompany accounts | (55,756) | 46,529
Other | (53) | (1,407)
Net cash provided by (used in) financing activities | (210,757) | (100,946)
Effect of exchange rate on cash | (1,180) | (2,830)
Cash and cash equivalents |  |
Net increase (decrease) for the period | (148,928) | 10,346
Balance, beginning of period | 817,606 | 902,360
Balance, end of period | 668,678 | 912,706
Reportable Legal Entities [Member] | Empire City [Member] | Parent [Member] |  |
Cash flows from investing activities |  |
Acquisition, net of cash acquired | 0 |
Reportable Legal Entities [Member] | Empire City [Member] | Guarantor Subsidiaries [Member] |  |
Cash flows from investing activities |  |
Acquisition, net of cash acquired | (535,681) |
Reportable Legal Entities [Member] | Empire City [Member] | Non-Guarantor MGP Subsidiaries [Member] |  |
Cash flows from investing activities |  |
Acquisition, net of cash acquired | 0 |
Reportable Legal Entities [Member] | Empire City [Member] | Non-Guarantor Other Subsidiaries [Member] |  |
Cash flows from investing activities |  |
Acquisition, net of cash acquired | 0 |
Elimination [Member] |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | 0 | 0
Cash flows from investing activities |  |
Capital expenditures, net of construction payable | 0 | 0
Dispositions of property and equipment | 0 | 0
Investments in unconsolidated affiliates | 0 | 0
Distributions from unconsolidated affiliates | 0 |
Intercompany accounts | 787,991 | 102,195
Other | 0 | 0
Net cash used in investing activities | 787,991 | 102,195
Cash flows from financing activities |  |
Net borrowings (repayments) under bank credit facilities – maturities of 90 days or less | 0 | 0
Issuance of long-term debt | 0 |
Retirement of senior notes and senior debentures | 0 | 0
Debt issuance costs | 0 | 0
Issuance of MGM Growth Properties common stock in public offering | 0 |
MGM Growth Properties Class A share issuance costs | 0 |
MGP dividends paid to consolidated subsidiaries | 87,322 | 81,956
Purchases of common stock |  | 0
Dividends paid to common shareholders | 0 | 0
Distributions to noncontrolling interest owners | 0 | 0
Intercompany accounts | (875,313) | (184,151)
Other | 0 | 0
Net cash provided by (used in) financing activities | (787,991) | (102,195)
Effect of exchange rate on cash | 0 | 0
Cash and cash equivalents |  |
Net increase (decrease) for the period | 0 | 0
Balance, beginning of period | 0 | 0
Balance, end of period | 0 | $ 0
Elimination [Member] | Empire City [Member] |  |
Cash flows from investing activities |  |
Acquisition, net of cash acquired | $ 0 |

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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3098-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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