Investment In Unconsolidated Affiliates (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) ft² item	Mar. 31, 2016 USD ($)
Summary financial information
Net income attributable to Penn	$ 4,548	$ 4,609
Kansas Entertainment
Business ventures
Ownership interest in joint venture under agreement of sale (as a percent)	50.00%
Area of Casino (in square foot) | ft²	244,791
Number of slot machines | item	2,000
Number of table games | item	41
Number of poker tables | item	12
Number of space parking | item	1,253
Summary financial information
Net revenues	$ 38,846	39,882
Operating expenses	28,838	30,446
Income from operations	10,008	9,436
Net income	10,008	9,436
Net income attributable to Penn	$ 5,004	$ 4,718