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The following table represents the Company’s net cash payments on derivatives: (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2024
Investments, All Other Investments [Abstract]
Cash payments on oil derivatives, net	$ 0	$ (253)	$ (263)

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- Definition

The element represents net cash receipts from payments on derivatives.

+ References

No definition available.

+ Details

Name:	empr_NetCashReceiptsFromPaymentsOnDerivatives
Namespace Prefix:	empr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

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