XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.21.2

Derivative Instruments - Notional Amounts, Crude Oil and Natural Gas (Details) | 9 Months Ended
--- | ---
Jun. 30, 2021 $ / bbl bbl
Crude Oil Swap, Q3 2021 |
Derivative [Line Items] |
Notional Volume | bbl | 564,278,000
Weighted average price (in USD per BBL) | 51.57
Crude Oil Swap, Q4 2021 |
Derivative [Line Items] |
Notional Volume | bbl | 558,116,000
Weighted average price (in USD per BBL) | 51.65
Crude Oil Swap, 2022 |
Derivative [Line Items] |
Notional Volume | bbl | 1,320,000,000
Weighted average price (in USD per BBL) | 53.59
Crude Oil Swap, 2023 |
Derivative [Line Items] |
Notional Volume | bbl | 360,000,000
Weighted average price (in USD per BBL) | 59.01
Natural Gas Swaps, Q3 2021 |
Derivative [Line Items] |
Notional Volume | bbl | 555,000,000
Weighted average price (in USD per BBL) | 3.03
Natural Gas Swaps, Q4 2021 |
Derivative [Line Items] |
Notional Volume | bbl | 555,000,000
Weighted average price (in USD per BBL) | 3.03
Crude Oil Collars, 2022 |
Derivative [Line Items] |
Notional Volume | bbl | 360,000,000
Crude Oil Collars, 2022 | Short |
Derivative [Line Items] |
Weighted average price (in USD per BBL) | 35.00
Crude Oil Collars, 2022 | Long |
Derivative [Line Items] |
Weighted average price (in USD per BBL) | 42.63
Crude Oil Basis, Q3 2021 |
Derivative [Line Items] |
Notional Volume | bbl | 435,000,000
Weighted average price (in USD per BBL) | 0.40
Crude Oil Basis, Q4 2021 |
Derivative [Line Items] |
Notional Volume | bbl | 435,000,000
Weighted average price (in USD per BBL) | 0.40
Crude Oil Basis, 2022 |
Derivative [Line Items] |
Notional Volume | bbl | 720,000,000
Weighted average price (in USD per BBL) | 0.40

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

X
- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fixed price related to the price risk swap derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeSwapTypeFixedPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilSwapQ32021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilSwapQ42021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilSwap2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilSwap2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_NaturalGasSwapsQ32021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_NaturalGasSwapsQ42021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilCollars2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilBasisQ32021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilBasisQ42021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rep_CrudeOilBasis2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |