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v3.22.2.2

Leases (Details) | 3 Months Ended
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Sep. 30, 2022 item
Leases |
Lessee, finance lease or short term lease, number of contracts | 0

X
- Definition Lessee, finance lease or short term lease, number of contracts + References No definition available. + Details
Name: | epm_LesseeFinanceLeaseOrShortTermLeaseNumberOfContracts
Namespace Prefix: | epm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration