XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Summary of Significant Accounting Policies - Segment Information (Details) - segment | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2016 | Sep. 01, 2015
Segment Information |  |  |
Number of reportable segments | 3 | 3 |
Kansas Entertainment |  |  |
Segment Information |  |  |
Ownership interest in joint venture (as a percent) |  |  | 50.00%

X
- Definition Represents the entity's ownership interest in a joint venture. + References No definition available. + Details
Name: | penn_JointVentureOwnershipInterestPercentage
Namespace Prefix: | penn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis=penn_KansasEntertainmentLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |