XML 117 R38.htm IDEA: XBRL DOCUMENT
v3.25.3

Property and Equipment (Details) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Aug. 04, 2025 USD ($) a | Sep. 30, 2025 USD ($) a $ / bbl $ / MMBTU | Sep. 30, 2024 USD ($) $ / bbl $ / MMBTU
Property and Equipment |  |  |
Property costs not subject to amortization |  | $ 5,812 |
Depletion |  | 5,600 | $ 5,300
Capital expenditures |  | 1,900 | 1,000
Impairment of proved property |  | $ 0 | $ 0
Natural Gas |  |  |
Property and Equipment |  |  |
Oil and gas prices first day average of twelve months of Henry Hub price for ceiling test | $ / MMBTU |  | 3.11 | 2.21
Net price per barrel (in dollars per barrel) | $ / bbl |  | 23.89 | 23.63
Crude oil |  |  |
Property and Equipment |  |  |
Oil and gas prices first day average of twelve months of West Texas Intermediate spot market price for ceiling test | $ / bbl |  | 68.07 | 79.4
Minerals acquisition |  |  |
Property and Equipment |  |  |
Property costs not subject to amortization | $ 5,800 |  |
Net royalty acres | a | 5,500 | 3,600 |

X
- Definition Area representing net royalty acres under mineral and royalty interests. + References No definition available. + Details
Name: | epm_AssetAcquisitionMineralAndRoyaltyInterestsNetRoyaltyAcres
Namespace Prefix: | epm_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Oil and gas prices first day average of twelve months of Henry Hub price for ceiling test + References No definition available. + Details
Name: | epm_OilAndGasPricesFirstDayAverageOfTwelveMonthsOfHenryHubPriceForCeilingTest
Namespace Prefix: | epm_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Oil And Gas Prices First Day Average Of Twelve Months Of West Texas Intermediate Spot Market Price For Ceiling Test + References No definition available. + Details
Name: | epm_OilAndGasPricesFirstDayAverageOfTwelveMonthsOfWestTexasIntermediateSpotMarketPriceForCeilingTest
Namespace Prefix: | epm_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cost per unit of oil and gas production. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph b -Subparagraph (2) -Publisher SEC + Details
Name: | srt_ConsolidatedOilAndGasProductionCostsPerUnitOfProduction
Namespace Prefix: | srt_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
Name: | us-gaap_CapitalExpendituresIncurredButNotYetPaid
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of capitalized cost excluded from amortization for investment in unproved property and development project for oil- and gas-producing activities accounted for under full cost method. Includes, but is not limited to, acquisition, exploration, and development costs for development project and capitalized interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 360 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1 + Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The noncash expense charged against earnings to recognize the consumption of natural resources. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_Depletion
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of impairment loss for oil and gas properties with proved and unproved reserves in oil- and gas-producing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 + Details
Name: | us-gaap_ImpairmentOfOilAndGasProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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