Investment In Unconsolidated Affiliates (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) ft² item	Jun. 30, 2016 USD ($)
Summary financial information
Net income attributable to Penn	$ 5,021	$ 3,548	$ 9,569	$ 8,157
Kansas Entertainment
Business ventures
Ownership interest in joint venture under agreement of sale (as a percent)	50.00%		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	$ 38,924	37,872	$ 77,770	77,754
Operating expenses	28,352	30,384	57,190	60,829
Income from operations	10,572	7,488	20,580	16,925
Net income	10,572	7,488	20,580	16,925
Net income attributable to Penn	$ 5,286	$ 3,744	$ 10,290	$ 8,462