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v3.23.1

Leases (Details) | 9 Months Ended
--- | ---
Mar. 31, 2023 item
Leases |
Lease expiration date | Sep. 30, 2026
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
- Definition Date which lease or group of leases is set to expire, in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
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