Condensed Combined and Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net income (loss)	$ 134,267	$ (15,654)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	190,573	158,860
Property transactions, net	19,104	2,651
Amortization and write-off of deferred financing costs and debt discount	9,241	4,392
Amortization related to above market lease, net	515	114
Provision for income taxes	3,903	915
Amortization of deferred revenue	(1,510)	0
Straight-line rental revenues	3,820	(1,062)
Share-based compensation	943	326
Changes in operating assets and liabilities:
Tenant and other receivables, net	3,399	(5,654)
Prepaid expenses and other assets	(4,214)	4,738
Due to MGM Resorts International and affiliates	358	211
Accounts payable, accrued expenses and other liabilities	2,200	2,868
Accrued interest	1,256	29,716
Net cash provided by operating activities	363,855	182,421
Cash flows from investing activities
Capital expenditures for property and equipment funded by Parent	0	(138,987)
Net cash used in investing activities	0	(138,987)
Cash flows from financing activities
Proceeds from issuance of debt	350,000	3,700,000
Deferred financing costs	(5,381)	(76,120)
Repayment of bridge facilities	0	(4,544,850)
Repayment of debt principal	(33,500)	(16,750)
Proceeds from purchase of Operating Partnership units by MGP	387,548	1,132,468
Issuance of Class A shares	404,685	1,207,500
Class A share issuance costs	(17,137)	(75,032)
Dividends and distributions paid	(284,213)	(56,720)
Net cash transfers from Parent	0	158,822
Net cash provided by financing activities	414,454	296,850
Cash and cash equivalents
Net increase for the period	778,309	340,284
Balance, beginning of period	360,492	0
Balance, end of period	1,138,801	340,284
Supplemental cash flow disclosures
Interest paid	125,077	38,206
Non-cash investing and financing activities
Non-Normal Tenant Improvements by Tenant	42,303	51,092
Accrual of dividend and distribution payable to Class A shareholders and Operating Partnership unit holders	101,222	94,109
Borgata Transaction net assets acquired	0	1,273,662
MGP Operating Partnership
Cash flows from operating activities
Net income (loss)	134,267	(15,654)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	190,573	158,860
Property transactions, net	19,104	2,651
Amortization and write-off of deferred financing costs and debt discount	9,241	4,392
Amortization related to above market lease, net	515	114
Provision for income taxes	3,903	915
Amortization of deferred revenue	(1,510)	0
Straight-line rental revenues	3,820	(1,062)
Share-based compensation	943	326
Changes in operating assets and liabilities:
Tenant and other receivables, net	3,399	(5,654)
Prepaid expenses and other assets	(4,214)	4,738
Due to MGM Resorts International and affiliates	358	211
Accounts payable, accrued expenses and other liabilities	2,200	2,868
Accrued interest	1,256	29,716
Net cash provided by operating activities	363,855	182,421
Cash flows from investing activities
Capital expenditures for property and equipment funded by Parent	0	(138,987)
Net cash used in investing activities	0	(138,987)
Cash flows from financing activities
Proceeds from issuance of debt	350,000	3,700,000
Deferred financing costs	(5,381)	(76,120)
Repayment of bridge facilities	0	(4,544,850)
Repayment of debt principal	(33,500)	(16,750)
Proceeds from purchase of Operating Partnership units by MGP	387,548	1,132,468
Dividends and distributions paid	(284,213)	(56,720)
Net cash transfers from Parent	0	158,822
Net cash provided by financing activities	414,454	296,850
Cash and cash equivalents
Net increase for the period	778,309	340,284
Balance, beginning of period	360,492	0
Balance, end of period	1,138,801	340,284
Supplemental cash flow disclosures
Interest paid	125,077	38,206
Non-cash investing and financing activities
Non-Normal Tenant Improvements by Tenant	42,303	51,092
Accrual of dividend and distribution payable to Class A shareholders and Operating Partnership unit holders	101,222	94,109
Borgata Transaction net assets acquired	$ 0	$ 1,273,662