XML 64 R46.htm IDEA: XBRL DOCUMENT
v3.23.1

The following table sets forth the Company’s outstanding derivative contracts at December 31, 2022: (Details) - Oil Swaps [Member] | Dec. 31, 2022 $ / shares
--- | ---
First Quarter [Member] | Two Zero Two Two [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Quarterly volume mbbl | 464
First Quarter [Member] | Two Zero Two Three [Member] | Minimum [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Price per bbl | $ 40.00
First Quarter [Member] | Two Zero Two Three [Member] | Maximum [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Price per bbl | $ 65.00
Second Quarter [Member] | Two Zero Two Two [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Quarterly volume mbbl | 153.40
Second Quarter [Member] | Two Zero Two Three [Member] | Minimum [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Price per bbl | $ 40.00
Second Quarter [Member] | Two Zero Two Three [Member] | Maximum [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Price per bbl | $ 55.00
Third Quarter [Member] | Two Zero Two Two [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Quarterly volume mbbl | 168.60
Third Quarter [Member] | Two Zero Two Three [Member] | Minimum [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Price per bbl | $ 55.00
Third Quarter [Member] | Two Zero Two Three [Member] | Maximum [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Price per bbl | $ 60.00
Forth Quarter [Member] | Two Zero Two Two [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Quarterly volume mbbl | 17,000
Fourth Quarter [Member] | Two Zero Two Three [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Price per bbl | $ 50.00

X
- Definition The element represents price per bbl. + References No definition available. + Details
Name: | empr_PricePerBbl
Namespace Prefix: | empr_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The element represents quarterly volume mbbl. + References No definition available. + Details
Name: | empr_QuarterlyVolumeMbbl
Namespace Prefix: | empr_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_CreditDerivativesByContractTypeAxis=empr_OilSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=empr_FirstQuarterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=empr_TwoZeroTwoTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=empr_TwoZeroTwoThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=empr_SecondQuarterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=empr_ThirdQuarterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=empr_ForthQuarterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=empr_FourthQuarterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |