XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Property and Equipment (Details) $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Sep. 12, 2023 USD ($) a location $ / a | Dec. 31, 2023 USD ($) $ / MMBTU $ / bbl | Dec. 31, 2022 USD ($) location $ / bbl $ / MMBTU | Jun. 30, 2023 USD ($)
Property and Equipment |  |  |  |
Amount paid for interest in drilling locations | $ 400 |  |  |
Working interest share, percentage | 50.00% |  |  |
Percentage or working interest available to acquire | 50.00% |  |  |
Number of initial development blocks | location | 2 |  |  |
Number of initial drilling locations | location | 9 |  |  |
Cost per acre of optional development block | $ / a | 450 |  |  |
Property costs subject to amortization |  | $ 199,526 |  | $ 197,049
Unproved Properties costs not subject to amortization |  | 3,370 |  |
Depletion |  | 8,100 | $ 6,500 |
Capital expenditures |  | 2,400 | 2,100 |
Impairment of proved property |  | $ 0 | $ 0 |
Natural Gas and Natural Gas Liquids |  |  |  |
Property and Equipment |  |  |  |
Oil and gas prices first day average of twelve months of Henry Hub price for ceiling test | $ / MMBTU |  | 2.63 | 6.40 |
Net price per barrel (in dollars per barrel) | $ / bbl |  | 31.57 | 48.50 |
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 |  | 78.21 | 94.14 |
Maximum |  |  |  |
Property and Equipment |  |  |  |
Capitalized transactions costs | $ 100 |  |  |
Development block, acres gross | a | 16,000 |  |  |
Barnett Shale |  |  |  |
Property and Equipment |  |  |  |
Initial wells drilled | location |  |  | 3 |
Capital expenditures |  |  | $ 3,000 |

X
- Definition Cost per acre of optional development block + References No definition available. + Details
Name: | epm_CostPerAcreOfOptionalDevelopmentBlock
Namespace Prefix: | epm_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of development blocks + References No definition available. + Details
Name: | epm_NumberOfDevelopmentBlocks
Namespace Prefix: | epm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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 Percentage or working interest available to acquire + References No definition available. + Details
Name: | epm_PercentageOrWorkingInterestAvailableToAcquire
Namespace Prefix: | epm_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Working interest share, percentage + References No definition available. + Details
Name: | epm_WorkingInterestSharePercentage
Namespace Prefix: | epm_
Data Type: | dtr-types:percentItemType
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 Number of development oil and gas wells capable of producing either oil or gas in sufficient quantity to justify completion as oil or gas well. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1205 -Paragraph (a) -Subparagraph (2) -Publisher SEC + Details
Name: | srt_DevelopmentWellsDrilledNetProductive
Namespace Prefix: | srt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Leased area with working interest ownership on which oil and gas wells have not been drilled or completed that would permit production of economic quantities of oil and gas. Excludes area of undrilled acreage held by production under terms of lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1208 -Paragraph (b) -Publisher SEC + Details
Name: | srt_GasAndOilAreaUndevelopedGross
Namespace Prefix: | srt_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of oil and gas wells in process of being drilled. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1206 -Paragraph (a) -Publisher SEC + Details
Name: | srt_WellsInProcessOfDrilling
Namespace Prefix: | srt_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The capitalized costs incurred (excluded from amortization), as of the date of the balance sheet, to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(c)(7)(ii)) -SubTopic 10 -Topic 932 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479664/932-10-S99-1 + Details
Name: | us-gaap_AcquisitionCostsCumulative
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 The sum of the capitalized costs incurred, as of the balance sheet date, of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(c)(7)(ii)) -SubTopic 10 -Topic 932 -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 The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. + 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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 35 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482450/932-360-35-11 + Details
Name: | us-gaap_ImpairmentOfOilAndGasProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in the book value of property designated for oil and gas production that has not been found (through exploratory drilling) to have extractible reserves of oil and gas. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_IncreaseDecreaseInUnprovedOilAndGasProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Oil and gas properties, gross, carried under the full cost method. + References No definition available. + Details
Name: | us-gaap_OilAndGasPropertyFullCostMethodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 No definition available. + 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: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=epm_BarnettShaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |