Condensed Consolidated Statements of Shareholders' Equity - USD ($)	Total	Class A Shares	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total Class A Shareholders' Equity	Noncontrolling Interest	Empire City	Empire City Additional Paid-in Capital	Empire City Accumulated Other Comprehensive Income (Loss)	Empire City Total Class A Shareholders' Equity	Empire City Noncontrolling Interest	Park MGM Lease Transaction	Park MGM Lease Transaction Additional Paid-in Capital	Park MGM Lease Transaction Accumulated Other Comprehensive Income (Loss)	Park MGM Lease Transaction Total Class A Shareholders' Equity	Park MGM Lease Transaction Noncontrolling Interest
Balance at Dec. 31, 2017	$ 6,067,739,000	$ 0	$ 1,716,490,000	$ (94,948,000)	$ 3,108,000	$ 1,624,650,000	$ 4,443,089,000
Changes in equity:
Net income	58,169,000			15,830,000		15,830,000	42,339,000
Deemed contribution - tax sharing agreement	1,231,000					0	1,231,000
Dividends and distributions declared ($0.4650 per Class A share)	(111,733,000)			(29,777,000)		(29,777,000)	(81,956,000)
Share-based compensation	384,000		102,000			102,000	282,000
Other comprehensive income - cash flow hedges	16,355,000				4,358,000	4,358,000	11,997,000
Other	401,000		108,000			108,000	293,000
Balance at Mar. 31, 2018	6,032,546,000	0	1,716,700,000	(108,895,000)	7,466,000	1,615,271,000	4,417,275,000
Changes in equity:
Dividends declared	0.4200
Balance at Dec. 31, 2017	6,067,739,000	0	1,716,490,000	(94,948,000)	3,108,000	1,624,650,000	4,443,089,000
Changes in equity:
Net income	106,228,000
Other comprehensive income - cash flow hedges	22,636,000
Balance at Jun. 30, 2018	5,974,303,000	0	1,717,086,000	(126,241,000)	9,141,000	1,599,986,000	4,374,317,000
Balance at Mar. 31, 2018	6,032,546,000	0	1,716,700,000	(108,895,000)	7,466,000	1,615,271,000	4,417,275,000
Changes in equity:
Net income	48,059,000			13,146,000		13,146,000	34,913,000
Deemed contribution - tax sharing agreement	1,263,000					0	1,263,000
Dividends and distributions declared ($0.4650 per Class A share)	(114,399,000)			(30,492,000)		(30,492,000)	(83,907,000)
Share-based compensation	556,000		149,000			149,000	407,000
Other comprehensive income - cash flow hedges	6,281,000				1,675,000	1,675,000	4,606,000
Other	(3,000)		237,000			237,000	(240,000)
Balance at Jun. 30, 2018	5,974,303,000	0	1,717,086,000	(126,241,000)	9,141,000	1,599,986,000	4,374,317,000
Changes in equity:
Dividends declared	0.4300
Balance at Dec. 31, 2018	5,845,506,000	0	1,712,671,000	(150,908,000)	4,208,000	1,565,971,000	4,279,535,000
Changes in equity:
Net income	66,364,000			19,955,000		19,955,000	46,409,000
Deemed contribution - tax sharing agreement	1,345,000					0	1,345,000
Dividends and distributions declared ($0.4650 per Class A share)	(139,279,000)			(42,064,000)		(42,064,000)	(97,215,000)
Issuance of Class A shares	548,391,000		471,647,000		774,000	472,421,000	75,970,000
Increase from Business Combination								$ 379,050,000	$ 23,940,000	$ (195,000)	$ 23,745,000	$ 355,305,000	$ 31,875,000	$ 2,512,000	$ (16,000)	$ 2,496,000	$ 29,379,000
Share-based compensation	565,000		164,000			164,000	401,000
Other comprehensive income - cash flow hedges	(15,612,000)				(4,717,000)	(4,717,000)	(10,895,000)
Other	(1,288,000)		(389,000)			(389,000)	(899,000)
Balance at Mar. 31, 2019	6,716,917,000	0	2,210,545,000	(173,017,000)	54,000	2,037,582,000	4,679,335,000
Changes in equity:
Dividends declared	0.4650
Balance at Dec. 31, 2018	5,845,506,000	0	1,712,671,000	(150,908,000)	4,208,000	1,565,971,000	4,279,535,000
Changes in equity:
Net income	134,133,000
Other comprehensive income - cash flow hedges	(46,387,000)
Balance at Jun. 30, 2019	6,386,532,000	0	2,237,385,000	(194,469,000)	(9,696,000)	2,033,220,000	4,353,312,000
Balance at Mar. 31, 2019	6,716,917,000	0	2,210,545,000	(173,017,000)	54,000	2,037,582,000	4,679,335,000
Changes in equity:
Net income	67,769,000			21,858,000		21,858,000	45,911,000
Deemed contribution - tax sharing agreement	2,275,000					0	2,275,000
Dividends and distributions declared ($0.4650 per Class A share)	(136,671,000)			(43,310,000)		(43,310,000)	(93,361,000)
Issuance of Class A shares	64,908,000		52,294,000		(105,000)	52,189,000	12,719,000
Northfield OpCo Transaction	(298,957,000)		(27,441,000)	0	2,000	(27,439,000)	(271,518,000)
Share-based compensation	524,000		164,000			164,000	360,000
Other comprehensive income - cash flow hedges	(30,775,000)				(9,647,000)	(9,647,000)	(21,128,000)
Other	542,000		1,823,000			1,823,000	(1,281,000)
Balance at Jun. 30, 2019	6,386,532,000	$ 0	$ 2,237,385,000	$ (194,469,000)	$ (9,696,000)	$ 2,033,220,000	$ 4,353,312,000
Changes in equity:
Dividends declared	$ 0.4675