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Commitments and Contingencies (Details) - USD ($) $ in Thousands	1 Months Ended
	Jan. 31, 2024	Sep. 30, 2025
Commitments and Contingencies
Escrow deposit	$ 1,000
Escrow funds	$ 10
Outstanding escrow account		$ 200

X

- Definition

Amount of remaining outstanding escrow account.

+ References

No definition available.

+ Details

Name:	ep_EscrowDepositRemainingOutstandingBalance
Namespace Prefix:	ep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of cash outflow for escrow deposit.

+ References

No definition available.

+ Details

Name:	ep_PaymentsForEscrowDeposit
Namespace Prefix:	ep_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of escrow fund to be returned for each well as the compliance work is completed.

+ References

No definition available.

+ Details

Name:	ep_ReturnFromEscrowFundsOnCompletionOfComplianceWorkOfEachWell
Namespace Prefix:	ep_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration