Line Of Credit Facility, Period Of Relief From Financial Covenants

No definition available.

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=penn_RevolvingCreditFacilityEntered2017Due2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=penn_TermLoanAFacilityEntered2017Due2022Member
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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=penn_TermLoanBFacilityEntered2017Due2024Member
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=penn_TermLoanAFacilityDue2023IncrementalCapacityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=penn_TermLoanB1FacilityDue2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=penn_SeniorNotesDue2027Member
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
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Data Type:	na
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- Details

Name:	us-gaap_CreditFacilityAxis=penn_SeniorSecuredCreditFacilityMember
Namespace Prefix:
Data Type:	na
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Period Type:

Long-term Debt - Senior Secured Credit Facilities, Senior Unsecured Notes, and Covenants (Details) - USD ($)			1 Months Ended	3 Months Ended
	Apr. 14, 2020	Mar. 13, 2020	Jan. 31, 2017	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Oct. 15, 2018	Jan. 19, 2017
Debt Instrument [Line Items]
Proceeds from revolving credit facility				$ 540,000,000.0	$ 90,000,000.0
Interest rate				5.625%
Revolving Credit Facility
Debt Instrument [Line Items]
Proceeds from revolving credit facility		$ 430,000,000.0
Secured credit facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term			5 years
Maximum borrowing capacity			$ 700,000,000.0
Letters of credit outstanding				$ 29,500,000
Secured credit facility \| Term Loan A Facility
Debt Instrument [Line Items]
Debt instrument, term			5 years
Maximum borrowing capacity			$ 300,000,000.0
Secured credit facility \| Term Loan B Facility
Debt Instrument [Line Items]
Debt instrument, term			7 years
Maximum borrowing capacity			$ 500,000,000.0
Secured credit facility \| Term Loan A Facility due 2023, incremental loans
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 430,200,000
Secured credit facility \| Term Loan B-1 Facility due 2025
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 1,128,800,000
Senior notes \| 5.625% Notes due 2027
Debt Instrument [Line Items]
Interest rate				5.625%		5.625%		5.625%
Debt principal amount								$ 400,000,000.0
Subsequent event \| Senior Secured Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, period of relief from financial covenants	1 year