Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues	$ 225,759	$ 220,390	$ 429,182	$ 436,229
Expenses
Depreciation	79,543	67,474	151,105	136,465
Property transactions, net	310	14,426	1,423	18,512
Ground lease and other reimbursable expenses	5,920	32,907	11,840	61,267
Amortization of above market lease, net	0	172	0	343
Acquisition-related expenses	267	2,131	8,799	2,672
General and administrative	3,691	2,755	7,829	6,663
Expenses, net	89,731	119,865	180,996	225,922
Operating income	136,028	100,525	248,186	210,307
Other income (expense)
Interest income	102	1,278	1,948	2,310
Interest expense	(63,977)	(49,276)	(127,925)	(98,506)
Other	(363)	(3,205)	(500)	(5,389)
Non-operating income (expense)	(64,238)	(51,203)	(126,477)	(101,585)
Income from continuing operations before income taxes	71,790	49,322	121,709	108,722
Provision for income taxes	(4,021)	(1,263)	(3,792)	(2,494)
Net income	67,769	48,059	117,917	106,228
Income from discontinued operations	0	0	16,216	0
Net income	67,769	48,059	134,133	106,228
Less: Net income attributable to noncontrolling interest	(45,911)	(34,913)	(92,320)	(77,252)
Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic and Diluted	21,858	13,146	37,031	28,976
Less: Net income attributable to noncontrolling interest	(45,911)	(34,913)	(80,886)	(77,252)
Net income attributable to Class A shares - basic and diluted	$ 21,858	$ 13,146	$ 41,813	$ 28,976
Weighted average Class A shares outstanding:
Basic (in shares)	91,011,559	70,993,091	87,544,627	70,982,243
Diluted (in shares)	91,208,398	71,184,996	87,772,714	71,158,585
MGP Operating Partnership
Revenues	$ 225,759	$ 220,390	$ 429,182	$ 436,229
Expenses
Depreciation	79,543	67,474	151,105	136,465
Property transactions, net	310	14,426	1,423	18,512
Ground lease and other reimbursable expenses	5,920	32,907	11,840	61,267
Amortization of above market lease, net	0	172	0	343
Acquisition-related expenses	267	2,131	8,799	2,672
General and administrative	3,691	2,755	7,829	6,663
Expenses, net	89,731	119,865	180,996	225,922
Operating income	136,028	100,525	248,186	210,307
Other income (expense)
Interest income	102	1,278	1,948	2,310
Interest expense	(63,977)	(49,276)	(127,925)	(98,506)
Other	(363)	(3,205)	(500)	(5,389)
Non-operating income (expense)	(64,238)	(51,203)	(126,477)	(101,585)
Income from continuing operations before income taxes	71,790	49,322	121,709	108,722
Provision for income taxes	(4,021)	(1,263)	(3,792)	(2,494)
Net income	67,769	48,059	117,917	106,228
Income from discontinued operations	0	0	16,216	0
Net income	$ 67,769	$ 48,059	$ 134,133	$ 106,228
Weighted average Operating Partnership units outstanding:
Basic (in shares)	290,714,102	266,127,214	289,537,067	266,116,366
Diluted (in shares)	290,910,941	266,319,119	289,765,154	266,292,708
Net income per Operating Partnership unit (basic) (in dollars per share)	$ 0.23	$ 0.18	$ 0.46	$ 0.40
Net income per Operating Partnership unit (diluted) (in dollars per share)	0.23	0.18	0.46	0.40
Class A Shares
Weighted average Class A shares outstanding:
Income from continuing operations per Class A share (basic) (in usd per share)	0.24	0.19	0.42	0.41
Income from discontinued operations per Class A share (basic) (in usd per share)	0	0	0.06	0
Income from discontinued operations per Class A share (basic) (in usd per share)	0.24	0.19	0.48	0.41
Income from continuing operations per Class A share (diluted) (in usd per share)	0.24	0.18	0.42	0.41
Income from discontinued operations per Class A share (diluted) (in usd per share)	0	0	0.06	0
Net income per Class A share (diluted) (in usd per share)	$ 0.24	$ 0.18	$ 0.48	$ 0.41
Rental revenue
Revenues	$ 219,846	$ 186,563	$ 416,728	$ 373,126
Rental revenue | MGP Operating Partnership
Revenues	219,846	186,563	416,728	373,126
Other income (expense)
Less: Net income attributable to noncontrolling interest	(67,769)		(117,917)
Tenant reimbursements and other
Revenues	5,913	33,827	12,454	63,103
Tenant reimbursements and other | MGP Operating Partnership
Revenues	$ 5,913	$ 33,827	$ 12,454	$ 63,103
Continuing Operations | MGP Operating Partnership
Weighted average Operating Partnership units outstanding:
Net income per Operating Partnership unit (basic) (in dollars per share)	$ 0.23	$ 0.18	$ 0.41	$ 0.40
Net income per Operating Partnership unit (diluted) (in dollars per share)	0.23	0.18	0.41	0.40
Discontinued Operations | MGP Operating Partnership
Weighted average Operating Partnership units outstanding:
Net income per Operating Partnership unit (basic) (in dollars per share)	0	0	0.05	0
Net income per Operating Partnership unit (diluted) (in dollars per share)	$ 0	$ 0	$ 0.05	$ 0