Debt Instrument, Basis Spread on Variable Rate, Floor

No definition available.

Name:	penn_DebtInstrumentBasisSpreadOnVariableRateFloor
Namespace Prefix:	penn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Convertible, Remaining Debt Issuance Cost Amortization Period

+ References

No definition available.

+ Details

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

- Definition

Line of Credit Facility, Consolidated Total Net Leverage Ratio After Covenant Relief Period, Year One

+ References

No definition available.

+ Details

Name:	penn_LineOfCreditFacilityConsolidatedTotalNetLeverageRatioAfterCovenantReliefPeriodYearOne
Namespace Prefix:	penn_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Consolidated Total Net Leverage Ratio After Covenant Relief Period, Year Two

+ References

No definition available.

+ Details

Name:	penn_LineOfCreditFacilityConsolidatedTotalNetLeverageRatioAfterCovenantReliefPeriodYearTwo
Namespace Prefix:	penn_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Minimum Interest Coverage Ratio After Covenant Relief Period

+ References

No definition available.

+ Details

Name:	penn_LineOfCreditFacilityMinimumInterestCoverageRatioAfterCovenantReliefPeriod
Namespace Prefix:	penn_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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

- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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

- Definition

The price per share of the conversion feature embedded in the debt instrument.

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

+ Details

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

- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

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+ Details

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

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types: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

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Name:	us-gaap_DeferredFinanceCostsGross
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Period Type:	duration

- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Long-term Debt - Senior Secured Credit Facilities, Senior Unsecured Notes, Unsecured Convertible Notes, and Covenants (Details) $ / shares in Units, $ in Millions			1 Months Ended		3 Months Ended		9 Months Ended
	May 03, 2022 USD ($)	May 01, 2022	May 31, 2020 USD ($) $ / shares	Jan. 31, 2017 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) shares	Sep. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jul. 01, 2021	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Oct. 15, 2018 USD ($)	Jan. 19, 2017
Debt Instrument [Line Items]
Loss on early extinguishment of debt							$ 10.4	$ 0.0
Proceeds from issuance of long-term debt, net of discounts							1,545.0	400.0
Stockholders' equity, including portion attributable to noncontrolling interest					$ 3,616.0	$ 3,071.4	3,616.0	3,071.4	$ 3,766.0	$ 4,097.1		$ 2,957.8	$ 2,655.8
Additional Paid-In Capital
Debt Instrument [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest					4,201.9	3,204.4	4,201.9	3,204.4	4,187.3	4,239.6		3,178.5	3,167.2
Retained Earnings (Accumulated Deficit)
Debt Instrument [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest					133.7	(131.5)	133.7	(131.5)	$ 10.2	(86.5)		$ (217.6)	$ (507.3)
Cumulative Effect, Period of Adoption, Adjustment
Debt Instrument [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest										(69.3)
Cumulative Effect, Period of Adoption, Adjustment \| Additional Paid-In Capital
Debt Instrument [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest										(88.2)
Cumulative Effect, Period of Adoption, Adjustment \| Retained Earnings (Accumulated Deficit)
Debt Instrument [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest										18.9
Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Threshold percentage of stock price			130.00%
Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Threshold percentage of stock price			98.00%
Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Threshold percentage of stock price			100.00%
Senior Secured Credit Facility
Debt Instrument [Line Items]
Covenant relief period, minimum interest coverage ratio		2.00
Refinancing costs recorded							1.3
Loss on early extinguishment of debt							10.4
Senior Secured Credit Facility \| Maximum
Debt Instrument [Line Items]
Covenant relief period, maximum consolidated total net leverage ratio in 2021		4.50
Covenant relief period, maximum consolidated total net leverage ratio in June 30, 2021		5.00
Amended Term Loan B Facility due 2029
Debt Instrument [Line Items]
Amortization of debt discount							5.0
Senior Secured Credit Facilities \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term				5 years
Maximum borrowing capacity	$ 1,000.0			$ 700.0
Commitment fee on unused capacity	0.25%
Letters of credit outstanding					22.7		22.7			26.0
Available borrowing capacity					$ 977.3		$ 977.3			$ 674.0
Senior Secured Credit Facilities \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Commitment fee on unused capacity	0.20%
Senior Secured Credit Facilities \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Commitment fee on unused capacity	0.35%
Senior Secured Credit Facilities \| Term Loan A Facility
Debt Instrument [Line Items]
Debt instrument, term		5 years		5 years
Maximum borrowing capacity	$ 550.0			$ 300.0
Senior Secured Credit Facilities \| Term Loan B Facility
Debt Instrument [Line Items]
Debt instrument, term		7 years		7 years
Maximum borrowing capacity	$ 1,000.0			$ 500.0
Senior Secured Credit Facilities \| Term Loan A Facility due 2023, incremental loans
Debt Instrument [Line Items]
Maximum borrowing capacity														$ 430.2
Senior Secured Credit Facilities \| Term Loan B-1 Facility
Debt Instrument [Line Items]
Maximum borrowing capacity														$ 1,100.0
Senior Secured Credit Facilities \| Term Loan A \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Senior Secured Credit Facilities \| Term Loan A \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Senior Secured Credit Facilities \| Term Loan A \| Minimum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Senior Secured Credit Facilities \| Term Loan A \| Minimum \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Senior Secured Credit Facilities \| Term Loan A \| Maximum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Senior Secured Credit Facilities \| Term Loan A \| Maximum \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Senior Secured Credit Facilities \| Term Loan B \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Basis spread on variable rate, floor	1.50%
Senior Secured Credit Facilities \| Term Loan B \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Basis spread on variable rate, floor	0.50%
Senior Notes \| 2.75% Convertible Notes due 2026 \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt Instrument, convertible, conversion ratio			0.0427350
Senior Notes \| 2.75% Convertible Notes due 2026 \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Debt Instrument, convertible, conversion ratio			0.0555555
Senior Notes \| 5.625% Notes due 2027
Debt Instrument [Line Items]
Interest rate					5.625%		5.625%			5.625%					5.625%
Senior Notes \| 4.125% Notes due 2029
Debt Instrument [Line Items]
Interest rate					4.125%		4.125%			4.125%	4.125%
Convertible Notes \| 2.75% Convertible Notes due 2026
Debt Instrument [Line Items]
Amortization of debt discount					$ 0.0	$ 3.2	$ 0.0	$ 9.4
Interest rate			2.75%		2.75%		2.75%
Debt principal amount			$ 330.5
Proceeds from issuance of long-term debt, net of discounts			$ 322.2
Conversion price (in dollars per share) \| $ / shares			$ 23.40
Number of shares issued upon conversion (in shares) \| shares							18,360,815
Amount if-converted value exceeds its principal amount							$ 174.6
Carrying amount of equity component			$ 91.8							$ 88.2
Debt issuance costs			10.2
Effective yield					3.329%		3.329%
Remaining term							3 years 7 months 6 days
Convertible Notes \| Convertible Notes Due 2026, Liability Component
Debt Instrument [Line Items]
Debt issuance costs			6.6
Convertible Notes \| Convertible Notes Due 2026, Equity Component
Debt Instrument [Line Items]
Debt issuance costs			$ 3.6