Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues
Rental income	$ 167,763		$ 142,101		$ 332,924	$ 242,316
Income from direct financing lease	18,516		12,631		36,340	12,631
Real estate taxes paid by tenants	20,840		15,673		42,560	27,500
Total rental revenue and income from direct financing lease	207,119		170,405		411,824	282,447
Gaming, food, beverage and other	37,489		38,371		76,749	76,530
Total revenues	244,608		208,776		488,573	358,977
Less promotional allowances	(1,217)		(1,415)		(2,469)	(2,796)
Net revenues	243,391		207,361		486,104	356,181
Operating expenses
Gaming, food, beverage and other	20,669		21,189		41,745	42,176
Real estate taxes	20,912		16,075		43,055	28,282
General and administrative	20,691		22,261		41,922	43,167
Depreciation	28,423		27,019		56,680	54,102
Total operating expenses	90,695		86,544		183,402	167,727
Income from operations	152,696		120,817		302,702	188,454
Other income (expenses)
Interest expense	(54,657)		(45,936)		(108,606)	(79,337)
Interest income	487		654		951	1,171
Total other expenses	(54,170)		(45,282)		(107,655)	(78,166)
Income before income taxes	98,526		75,535		195,047	110,288
Income tax expense	2,192		2,271		4,722	4,275
Net income	$ 96,334		$ 73,264		$ 190,325	$ 106,013
Earnings per common share (in dollars per share)
Basic earnings per common share	$ 0.46		$ 0.40		$ 0.91	$ 0.70
Diluted earnings per common share	0.45		0.39		0.90	0.69
Dividends paid per common share (in dollars per share)	$ 0.62	$ 0.62	$ 0.56	$ 0.56	$ 1.24	$ 1.12