Combined and Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities
Net income (loss)	$ 35,346	$ (261,954)	$ (246,242)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	220,667	196,816	186,262
Property transactions, net	4,684	6,665	0
Amortization of deferred financing costs and debt discount	7,195	0	0
Amortization related to above market lease, net	286	0	0
Provision for income taxes	2,264	0	0
Straight-line rental revenues	(1,739)	0	0
Amortization of deferred revenue	(80)	0	0
Share-based compensation	510	0	0
Change in operating assets and liabilities:
Tenant and other receivables, net	(9,503)	0	0
Prepaid expenses and other assets	6,747	0	0
Due to MGM Resorts International and affiliates	166	0	0
Accounts payable, accrued expenses and other liabilities	5,101	0	0
Accrued interest	26,137	0	0
Net cash provided by (used in) operating activities	297,781	(58,473)	(59,980)
Cash flows from investing activities
Capital expenditures for property and equipment funded by Parent	(138,987)	(129,308)	(90,504)
Net cash used in investing activities	(138,987)	(129,308)	(90,504)
Cash flows from financing activities
Proceeds from issuance of debt	3,700,000	0	0
Deferred financing costs	(77,163)	0	0
Repayment of bridge facilities	(4,544,850)	0	0
Repayment of debt principal	(16,750)	0	0
Proceeds from purchase of Operating Partnership units by MGP	1,132,468
Dividends and distributions paid	(150,829)	0	0
Net cash transfers from Parent	158,822	187,781	150,484
Net cash provided by financing activities	201,698	187,781	150,484
Cash and cash equivalents
Net increase for the period	360,492	0	0
Balance, beginning of period	0	0	0
Balance, end of period	360,492	0	0
Supplemental cash flow disclosures
Interest paid	82,880	0	0
Non-cash investing and financing activities
Non-Normal Tenant Improvements by Tenant	72,402	0	0
Borgata Transaction net assets acquired	1,273,230	0	0
Class A Shares
Cash flows from financing activities
Issuance of Class A shares	1,207,500	0	0
Non-cash investing and financing activities
Payments of Stock Issuance Costs	(75,032)	0	0
MGP Operating Partnership
Cash flows from operating activities
Net income (loss)	35,346	(261,954)	(246,242)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	220,667	196,816	186,262
Property transactions, net	4,684	6,665	0
Amortization of deferred financing costs and debt discount	7,195	0	0
Amortization related to above market lease, net	286	0	0
Provision for income taxes	2,264	0	0
Straight-line rental revenues	(1,739)	0	0
Amortization of deferred revenue	(80)	0	0
Share-based compensation	510	0	0
Change in operating assets and liabilities:
Tenant and other receivables, net	(9,503)	0	0
Prepaid expenses and other assets	6,747	0	0
Due to MGM Resorts International and affiliates	166	0	0
Accounts payable, accrued expenses and other liabilities	5,101	0	0
Accrued interest	26,137	0	0
Net cash provided by (used in) operating activities	297,781	(58,473)	(59,980)
Cash flows from investing activities
Capital expenditures for property and equipment funded by Parent	(138,987)	(129,308)	(90,504)
Net cash used in investing activities	(138,987)	(129,308)	(90,504)
Cash flows from financing activities
Proceeds from issuance of debt	3,700,000	0	0
Deferred financing costs	(77,163)	0	0
Repayment of bridge facilities	(4,544,850)	0	0
Repayment of debt principal	(16,750)	0	0
Proceeds from purchase of Operating Partnership units by MGP	1,132,468	0	0
Dividends and distributions paid	(150,829)	0	0
Net cash transfers from Parent	158,822	187,781	150,484
Net cash provided by financing activities	201,698	187,781	150,484
Cash and cash equivalents
Net increase for the period	360,492	0	0
Balance, beginning of period	0	0	0
Balance, end of period	360,492	0	0
Supplemental cash flow disclosures
Interest paid	82,880	0	0
Non-cash investing and financing activities
Non-Normal Tenant Improvements by Tenant	72,402	0	0
Borgata Transaction net assets acquired	$ 1,273,230	$ 0	$ 0