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The following represents the Company’s net cash payments on derivatives for the three months ended March 31, 2022 and 2021: (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Oil Derivatives [Member]
Credit Derivatives [Line Items]
Net cash receipts from (payments on) derivatives	$ (83,260)	$ (127,944)

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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

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

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- Details

Name:	us-gaap_CreditDerivativesByContractTypeAxis=EP_OilDerivativesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: