Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 117,917	$ 106,228
Income from continuing operations attributable to noncontrolling interest	80,886	77,252
Cash flows from operating activities
Net income	134,133	106,228
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax	(16,216)	0
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	151,105	136,465
Property transactions, net	1,423	18,512
Amortization of deferred financing costs and debt discount	6,373	6,056
Loss on retirement of debt	0	2,736
Non-cash ground lease, net	519	343
Deemed contributions - tax sharing agreement	3,620	2,494
Straight-line rental revenues, excluding amortization of lease incentive asset	18,119	8,635
Amortization of lease incentive asset	6,350	0
Amortization of deferred revenue on non-normal tenant improvements	(1,132)	(1,836)
Share-based compensation	1,089	940
Deferred income taxes	(3,913)	0
Park MGM Transaction	(605,625)	0
Distributions Received from Discontinued Operations	40,165	0
Changes in operating assets and liabilities:
Tenant and other receivables, net	(80)	2,188
Prepaid expenses and other assets	(534)	(83)
Due to MGM Resorts International and affiliates	(153)	(815)
Accounts payable, accrued expenses and other liabilities	2,588	(84)
Accrued interest	18,179	2,554
Net cash provided by (used in) operating activities - continuing operations	(243,990)	284,333
Cash flows from investing activities
Capital expenditures for property and equipment	0	(190)
Proceeds from Northfield OpCo Transaction	3,779	0
Net cash provided by (used in) investing activities - continuing operations	3,779	(190)
Cash flows from financing activities
Net repayments under bank credit facility	(559,250)	(13,000)
Proceeds from issuance of debt	750,000	0
Deferred financing costs	(9,983)	(17,490)
Repayment of assumed bridge facility	(245,950)	0
Proceeds from issuance of Class A shares, net	613,299	0
Dividends and distributions paid	(258,334)	(223,466)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	289,782	(253,956)
Cash flows from discontinued operations, net
Cash flows provided by operating activities, net	15,591	0
Cash flows used in investing activities, net	(12)	0
Cash flows used in financing activities, net	(37,900)	0
Net cash used in discontinued operations	(22,321)	0
Change in cash and cash equivalents classified as assets held for sale	(22,321)	0
Cash and cash equivalents
Net increase for the period	49,571	30,187
Balance, beginning of period	3,995	259,722
Balance, end of period	53,566	289,909
Supplemental cash flow disclosures
Interest paid	103,098	89,627
Non-cash investing and financing activities
Non-Normal Tenant Improvements by Tenant	0	13,507
Accrual of dividend and distribution payable to Class A shareholders and Operating Partnership unit holders	136,671	114,399
MGP Operating Partnership
Net income	117,917	106,228
Cash flows from operating activities
Net income	134,133	106,228
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax	(16,216)	0
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	151,105	136,465
Property transactions, net	1,423	18,512
Amortization of deferred financing costs and debt discount	6,373	6,056
Loss on retirement of debt	0	2,736
Non-cash ground lease, net	519	343
Deemed contributions - tax sharing agreement	3,620	2,494
Straight-line rental revenues, excluding amortization of lease incentive asset	18,119	8,635
Amortization of lease incentive asset	6,350	0
Amortization of deferred revenue on non-normal tenant improvements	(1,132)	(1,836)
Share-based compensation	1,089	940
Deferred income taxes	(3,913)	0
Park MGM Transaction	(605,625)	0
Distributions Received from Discontinued Operations	40,165	0
Changes in operating assets and liabilities:
Tenant and other receivables, net	(80)	2,188
Prepaid expenses and other assets	(534)	(83)
Due to MGM Resorts International and affiliates	(153)	(815)
Accounts payable, accrued expenses and other liabilities	2,588	(84)
Accrued interest	18,179	2,554
Net cash provided by (used in) operating activities - continuing operations	(243,990)	284,333
Cash flows from investing activities
Capital expenditures for property and equipment	0	(190)
Proceeds from Northfield OpCo Transaction	(3,779)	0
Cash flows from financing activities
Net repayments under bank credit facility	(559,250)	(13,000)
Proceeds from issuance of debt	750,000	0
Deferred financing costs	(9,983)	(17,490)
Repayment of assumed bridge facility	(245,950)	0
Proceeds from issuance of Class A shares, net	613,299	0
Dividends and distributions paid	(258,334)	(223,466)
Net cash provided by (used in) financing activities - continuing operations	289,782	(253,956)
Cash flows from discontinued operations, net
Cash flows provided by operating activities, net	15,591	0
Cash flows used in investing activities, net	(12)	0
Net Cash Provided by (Used in) Investing Activities	3,779	(190)
Cash flows used in financing activities, net	(37,900)	0
Net cash used in discontinued operations	(22,321)	0
Change in cash and cash equivalents classified as assets held for sale	(22,321)	0
Cash and cash equivalents
Net increase for the period	49,571	30,187
Balance, beginning of period	3,995	259,722
Balance, end of period	53,566	289,909
Supplemental cash flow disclosures
Interest paid	103,098	89,627
Non-cash investing and financing activities
Non-Normal Tenant Improvements by Tenant	0	13,507
Accrual of dividend and distribution payable to Class A shareholders and Operating Partnership unit holders	136,671	114,399
Empire City
Non-cash investing and financing activities
Empire City Transaction assets acquired	625,000	0
Empire City | MGP Operating Partnership
Non-cash investing and financing activities
Empire City Transaction assets acquired	625,000	0
Northfield OpCo
Non-cash investing and financing activities
Gain (Loss) on Disposition of Business	301,373	0
Northfield OpCo | MGP Operating Partnership
Non-cash investing and financing activities
Gain (Loss) on Disposition of Business	$ 301,373	$ 0