XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis (Details) $ in Thousands | 9 Months Ended
--- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value of asset retirement obligation liabilities incurred and acquired | $ 100 | $ 1,200
Valuation Technique, Discounted Cash Flow | Measurement Input, Estimated Plug And Abandonment Cost Per Well For All Oil And Natural Gas Wells |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Asset retirement obligations, measurement input | 50 | 50
Valuation Technique, Discounted Cash Flow | Measurement Input, Estimated Plug And Abandonment Cost Per Well For Disposal Wells |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Asset retirement obligations, measurement input | 52 | 52
Valuation Technique, Discounted Cash Flow | Measurement Input, Remaining Life Per Well |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Asset retirement obligations, measurement input, period | 28 years | 27 years
Valuation Technique, Discounted Cash Flow | Measurement Input, Average Credit-Adjusted Risk Free Interest Rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Asset retirement obligations, measurement input | 0.0517 | 0.0517

X
- Definition Asset Retirement Obligation, Liabilities Incurred And Acquired, Fair Value Disclosure + References No definition available. + Details
Name: | rep_AssetRetirementObligationLiabilitiesIncurredAndAcquiredFairValueDisclosure
Namespace Prefix: | rep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Asset Retirement Obligations, Measurement Input + References No definition available. + Details
Name: | rep_AssetRetirementObligationsMeasurementInput
Namespace Prefix: | rep_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Asset Retirement Obligations, Measurement Input, Period + References No definition available. + Details
Name: | rep_AssetRetirementObligationsMeasurementInputPeriod
Namespace Prefix: | rep_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_ValuationTechniqueDiscountedCashFlowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=rep_MeasurementInputEstimatedPlugAndAbandonmentCostPerWellForAllOilAndNaturalGasWellsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=rep_MeasurementInputEstimatedPlugAndAbandonmentCostPerWellForDisposalWellsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=rep_MeasurementInputRemainingLifePerWellMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |