Consolidating Financial Information - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Apr. 24, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Real estate investments, net	$ 9,079,678		$ 7,793,639
Cash and cash equivalents	360,492		0	$ 0	$ 0
Tenant and other receivables, net	9,503		0
Intercompany	0
Prepaid expenses and other assets	10,906		0
Investments in subsidiaries	0
Above market lease, asset	46,161		0
Total assets	9,506,740		7,793,639
Liabilities
Debt, net	3,621,942		0
Due to MGM Resorts International and affiliates	166		0
Intercompany	0
Accounts payable, accrued expenses and other liabilities	10,478		0
Above market lease, liability	47,957		0
Accrued interest	26,137		0
Dividend payable	94,109		0
Deferred revenue	72,322		0
Deferred income taxes, net	25,368		1,734,680
Total liabilities	3,898,479		1,734,680
General partner	0
Limited partners	5,608,261
Total partners’ capital	5,608,261
Total liabilities and shareholders' equity	9,506,740		7,793,639
Eliminations
ASSETS
Real estate investments, net	0
Cash and cash equivalents	0		0
Tenant and other receivables, net	0
Intercompany	(880,823)
Prepaid expenses and other assets	0
Investments in subsidiaries	(8,100,942)
Above market lease, asset	0
Total assets	(8,981,765)
Liabilities
Debt, net	0
Due to MGM Resorts International and affiliates	0
Intercompany	(880,823)
Accounts payable, accrued expenses and other liabilities	0
Above market lease, liability	0
Accrued interest	0
Dividend payable	0
Deferred revenue	0
Deferred income taxes, net	0
Total liabilities	(880,823)
General partner	0
Limited partners	(8,100,942)
Total partners’ capital	(8,100,942)
Total liabilities and shareholders' equity	(8,981,765)
MGP Operating Partnership
ASSETS
Real estate investments, net	9,079,678		7,793,639
Cash and cash equivalents	360,492		0	0	0
Tenant and other receivables, net	9,503		0
Prepaid expenses and other assets	10,906		0
Above market lease, asset	46,161		0
Total assets	9,506,740		7,793,639
Liabilities
Debt, net	3,621,942		0
Due to MGM Resorts International and affiliates	166		0
Accounts payable, accrued expenses and other liabilities	10,478		0
Above market lease, liability	47,957		0
Accrued interest	26,137		0
Dividend payable	94,109		0
Deferred revenue	72,322		0
Deferred income taxes, net	25,368		1,734,680
Total liabilities	3,898,479		1,734,680
General partner	0		0
Limited partners	5,608,261		0
Total partners’ capital	5,608,261	$ 0	6,058,959	$ 6,127,347	$ 6,296,856
Total liabilities and shareholders' equity	9,506,740		7,793,639
MGP Operating Partnership | Reportable Legal Entities
ASSETS
Real estate investments, net	0
Cash and cash equivalents	360,492		0
Tenant and other receivables, net	2,059
Intercompany	880,823
Prepaid expenses and other assets	9,167
Investments in subsidiaries	8,100,942
Above market lease, asset	0
Total assets	9,353,483
Liabilities
Debt, net	3,621,942
Due to MGM Resorts International and affiliates	0
Intercompany	0
Accounts payable, accrued expenses and other liabilities	3,034
Above market lease, liability	0
Accrued interest	26,137
Dividend payable	94,109
Deferred revenue	0
Deferred income taxes, net	0
Total liabilities	3,745,222
General partner	0
Limited partners	5,608,261
Total partners’ capital	5,608,261
Total liabilities and shareholders' equity	9,353,483
Co-Issuer | Reportable Legal Entities
ASSETS
Real estate investments, net	0
Cash and cash equivalents	0		0
Tenant and other receivables, net	0
Intercompany	0
Prepaid expenses and other assets	0
Investments in subsidiaries	0
Above market lease, asset	0
Total assets	0
Liabilities
Debt, net	0
Due to MGM Resorts International and affiliates	0
Intercompany	0
Accounts payable, accrued expenses and other liabilities	0
Above market lease, liability	0
Accrued interest	0
Dividend payable	0
Deferred revenue	0
Deferred income taxes, net	0
Total liabilities	0
General partner	0
Limited partners	0
Total partners’ capital	0
Total liabilities and shareholders' equity	0
Guarantor Subsidiaries | Reportable Legal Entities
ASSETS
Real estate investments, net	9,079,678
Cash and cash equivalents	0		$ 0
Tenant and other receivables, net	7,444
Intercompany	0
Prepaid expenses and other assets	1,739
Investments in subsidiaries	0
Above market lease, asset	46,161
Total assets	9,135,022
Liabilities
Debt, net	0
Due to MGM Resorts International and affiliates	166
Intercompany	880,823
Accounts payable, accrued expenses and other liabilities	7,444
Above market lease, liability	47,957
Accrued interest	0
Dividend payable	0
Deferred revenue	72,322
Deferred income taxes, net	25,368
Total liabilities	1,034,080
General partner	0
Limited partners	8,100,942
Total partners’ capital	8,100,942
Total liabilities and shareholders' equity	$ 9,135,022