Name:	penn_BuilderRiskInsurancePolicyDeductibleDelayInCompletion
Namespace Prefix:	penn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of risk retained by the entity before the builders' risk insurance arrangement begins to provide coverage related to property damage.

No definition available.

Name:	penn_BuilderRiskInsurancePolicyDeductiblePropertyDamage
Namespace Prefix:	penn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the coverage limit provided by the insurance arrangement for claims related to builders' risk, including delay in completion of the project and property damage.

No definition available.

Name:	penn_BuilderRiskInsurancePolicyLimitAmount
Namespace Prefix:	penn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the number of hours for which casino was closed due to tornado.

No definition available.

Name:	penn_NumberHoursForWhichCasinoClosedDueToTornado
Namespace Prefix:	penn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The life-to-date amount received by the entity from insurance settlements.

No definition available.

Name:	penn_ProceedsFromInsuranceSettlements
Namespace Prefix:	penn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the coverage limit provided by the insurance arrangement for claims related to flood.

No definition available.

Name:	penn_PropertyInsuranceCoverageLimitAmount
Namespace Prefix:	penn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the number of business interruption periods covered in the insurance arrangement for claims related to flood.

No definition available.

Name:	penn_PropertyInsuranceCoverageLimitForDeductibleBusinessInterruption
Namespace Prefix:	penn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the coverage limit provided by the insurance arrangement for claims related to flood for property damage.

No definition available.

Name:	penn_PropertyInsuranceCoverageLimitForPropertyDamage
Namespace Prefix:	penn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of gain recognized in the income statement for an event or transaction, that is unusual in nature or occurs infrequently, but not both.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15138-107781

Name:	us-gaap_UnusualOrInfrequentItemGainGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_UnusualOrInfrequentItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of loss recognized in the income statement for an event or transaction, that is unusual in nature or occurs infrequently, but not both.