Investment In Unconsolidated Affiliates (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) ft² item	Sep. 30, 2016 USD ($)
Summary financial information
Net income attributable to Penn	$ 4,781	$ 3,505	$ 14,350	$ 11,662
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	$ 38,295	37,513	$ 116,065	115,267
Operating expenses	27,981	29,617	85,171	90,746
Income from operations	10,314	7,896	30,894	24,521
Net income	10,314	7,896	30,894	24,521
Net income attributable to Penn	$ 5,157	$ 3,948	$ 15,447	$ 12,261