XML 73 R50.htm IDEA: XBRL DOCUMENT
v3.25.2

Derivatives - Crude Oil Derivative Positions (Details) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 01, 2025 MMBTU $ / bbl $ / MMBTU bbl | Jul. 31, 2025 MMBTU $ / bbl $ / MMBTU bbl | Jun. 30, 2025 MMBTU $ / MMBTU $ / bbl bbl
Natural Gas | Natural Gas Two-Way Collar July 2025 to December 2025 |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU |  |  | 450,550
Floor Price | $ / MMBTU |  |  | 4
Ceiling Price | $ / MMBTU |  |  | 4.95
Natural Gas | Natural Gas Fixed-Price Swap July 2025 to December 2025 |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU |  |  | 2,546,138
Fixed-price / Price (in USD per barrel) | $ / MMBTU |  |  | 3.6
Natural Gas | Natural Gas Two-Way Collar January 2026 to March 2026, One |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU |  |  | 213,251
Floor Price | $ / MMBTU |  |  | 4
Ceiling Price | $ / MMBTU |  |  | 5.39
Natural Gas | Natural Gas Two-Way Collar January 2026 to March 2026, Two |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU |  |  | 375,481
Floor Price | $ / MMBTU |  |  | 3.6
Ceiling Price | $ / MMBTU |  |  | 5
Natural Gas | Natural Gas Two-Way Collar April 2026 To October 2026 |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU |  |  | 952,588
Floor Price | $ / MMBTU |  |  | 3.5
Ceiling Price | $ / MMBTU |  |  | 4.55
Natural Gas | Natural Gas Fixed-Price Swap July 2025 to December 2027 |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU |  |  | 3,323,035
Fixed-price / Price (in USD per barrel) | $ / MMBTU |  |  | 3.57
Natural Gas | Natural Gas Two-Way Collar September 2025 To December 2025 | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU | 34,224 |  |
Floor Price | $ / MMBTU | 2.9 |  |
Ceiling Price | $ / MMBTU | 3.5 |  |
Natural Gas | Natural Gas Two-Way Collar January 2026 To March 2026 | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU | 76,177 |  |
Floor Price | $ / MMBTU | 3.5 |  |
Ceiling Price | $ / MMBTU | 4.66 |  |
Natural Gas | Natural Gas Fixed-Price Swap July 2026 To December 2026 | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU | 207,366 |  |
Fixed-price / Price (in USD per barrel) | $ / MMBTU | 3.98 |  |
Natural Gas | Natural Gas Two-Way Collar September 2026 To December 2026 | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volume in MMBTU | MMBTU |  | 318,964 |
Floor Price |  | 3.75 |
Ceiling Price | $ / MMBTU |  | 4.94 |
Crude oil | Crude Oil Fixed-Price Swap July 2025 to September 2025 |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 9,591
Fixed-price / Price (in USD per barrel) |  |  | 60.5
Crude oil | Crude Oil Fixed-Price Swap July 2025 to December 2025, One |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 11,880
Fixed-price / Price (in USD per barrel) |  |  | 72
Crude oil | Crude Oil Fixed-Price Swap July 2025 to December 2025, Two |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 81,335
Fixed-price / Price (in USD per barrel) |  |  | 71.4
Crude oil | Crude Oil Fixed-Price Swap July 2025 to December 2025, Three |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 18,748
Fixed-price / Price (in USD per barrel) |  |  | 61.02
Crude oil | Crude Oil Fixed-Price Swap October 2025 to June 2026 |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 43,656
Fixed-price / Price (in USD per barrel) |  |  | 61
Crude oil | Crude Oil Two-Way Collar January 2026 To March 2026 |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 43,493
Floor Price |  |  | 60
Ceiling Price |  |  | 75.8
Crude oil | Crude Oil Fixed Price Swap April 2026 To June 2026 |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 17,106
Fixed-price / Price (in USD per barrel) |  |  | 60.4
Crude oil | Crude Oil Fixed-Price Swap April 2026 to September 2026 |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  |  | 25,412
Fixed-price / Price (in USD per barrel) |  |  | 62
Crude oil | Crude Two-Way Oil Collar August 2025 To August 2026 | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl | 83,458 |  |
Floor Price | 60 |  |
Ceiling Price | 65.55 |  |
Crude oil | Crude Oil Two-Way Collar September 2025 To December 2025, One | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl | 13,742 |  |
Floor Price | 60 |  |
Ceiling Price | 63 |  |
Crude oil | Crude Oil Two-Way Collar September 2025 To December 2025, Two | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl | 3,798 |  |
Floor Price | 60 |  |
Ceiling Price | 63.5 |  |
Crude oil | Crude Oil Three-Way Collar September 2025 To December 2026 | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Volumes in Barrels | bbl |  | 40,872 |
Sub Floor Price |  | 50 |
Floor Price |  | 60 |
Ceiling Price |  | 70.45 |

X
- Definition Sub floor price of derivatives. + References No definition available. + Details
Name: | epm_DerivativesSubFloorPrice
Namespace Prefix: | epm_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeCapPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeFloorPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal energy measure used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:energyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fixed price related to the price risk swap derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeSwapTypeFixedPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_EnergyAxis=srt_NaturalGasPerThousandCubicFeetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasCollarJuly2025ToDecember2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasFixedPriceSwapJuly2025ToDecember2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasCollarJanuary2026TooMarch2026OneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasCollarJanuary2026ToMarch2026OneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasCollarApril2026ToOctober2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasFixedPriceSwapJuly2025ToDecember2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasCollarSeptember2025ToDecember2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasCollarJanuary2026ToMarch2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasFixedPriceSwapJuly2026ToDecember2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_NaturalGasTwoWayCollarSeptember2026ToDecember2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_EnergyAxis=srt_CrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilFixedPriceSwapJuly2025ToSeptember2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilFixedPriceSwapJuly2025ToDecember2025OneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilFixedPriceSwapJuly2025ToDecember2025TwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilFixedPriceSwapJuly2025ToDecember2025ThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilFixedPriceSwapOctober2025ToJune2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilCollarJanuary2026ToMarch2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilFixedPriceSwapApril2026ToJune2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilFixedPriceSwapApril2026ToSeptember2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilCollarAugust2025ToAugust2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilCollarSeptember2025ToDecember2025OneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilCollarSeptember2025ToDecember2025TwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epm_CrudeOilThreeWayCollarSeptember2025ToDecember2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |