Represents the average revenue interest acquired in an asset acquisition.

No definition available.

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- Definition

Percentage of average royalty interest.

+ References

No definition available.

+ Details

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- Definition

Represents the average working interest acquired in an asset acquisition.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets paid from line of credit.

+ References

No definition available.

+ Details

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- Definition

Area representing net royalty acres under mineral and royalty interests.

+ References

No definition available.

+ Details

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- Definition

Represents the number of assets acquired in an asset acquisition.

+ References

No definition available.

+ Details

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- 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/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480123/805-50-15-3

+ Details

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- 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

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Balance Type:	debit
Period Type:	instant

- Definition

Amount, before accumulated depletion, of oil and gas properties subject to amortization accounted for under full cost method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

+ Details

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Period Type:	instant

- Definition

Amount, after accumulated depletion, of oil and gas properties subject to amortization accounted for under full cost method.

+ References

+ Details

Name:	us-gaap_OilAndGasPropertyFullCostMethodNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480060/805-50-25-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 30
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480027/805-50-30-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 30
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480027/805-50-30-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

Name:	us-gaap_AssetAcquisitionAxis=epm_TexmexAcquisitionMember
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Acquisitions (Details) $ in Thousands			3 Months Ended
Acquisitions (Details) $ in Thousands	Aug. 04, 2025 USD ($) a	Apr. 14, 2025 USD ($) item	Sep. 30, 2025 USD ($) a	Jun. 30, 2025 USD ($)
Acquisitions
Asset acquisition, gross			$ 285,742	$ 272,496
Asset acquisition			149,934	$ 142,248
Property costs not subject to amortization			$ 5,812
Purchase of SCOOP/STACK Minerals
Acquisitions
Payments for productive assets	$ 16,900
Asset acquisition, gross	11,100
Property costs not subject to amortization	5,800
Purchase price	$ 15,000
Average royalty interest	0.60%
Net royalty acres \| a	5,500		3,600
TexMex Acquisition
Acquisitions
Payments for productive assets		$ 9,000
Average working interest		42.00%
Average revenue interest		35.00%
Asset acquisition, acquired (number) \| item		600