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The following represents the Company’s net cash payments on derivatives for the three- and nine-months ended September 30, 2022 and 2021: (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Credit Derivatives [Line Items]
Net cash payments on derivative	$ (83,832)	$ (322,190)	$ (244,723)	$ (686,163)
Oil Derivatives [Member]
Credit Derivatives [Line Items]
Net cash payments on derivative	(83,832)	(177,736)	(244,723)	(541,709)
Natural Gas Derivatives [Member]
Credit Derivatives [Line Items]
Net cash payments on derivative		$ (144,454)		$ (144,454)

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- Definition

The element represents net cash receipts from payments on derivatives.

+ References

No definition available.

+ Details

Name:	EP_NetCashReceiptsFromPaymentsOnDerivatives
Namespace Prefix:	EP_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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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

No definition available.

+ Details

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

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_CreditDerivativesByContractTypeAxis=EP_NaturalGasDerivativesMember
Namespace Prefix:
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Period Type: