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Asset Retirement Obligations - Asset Retirement Obligations (Parenthetical) (Detail) | 9 Months Ended
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Sep. 30, 2019 Well
Pennsylvania |
Asset Retirement Obligations [Line Items] |
Number of shallow, non-core wells sold | 1,300

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- Definition Asset retirement obligations. + References No definition available. + Details
Name: | rrc_AssetRetirementObligationsLineItems
Namespace Prefix: | rrc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of shallow, non-core wells disposed. + References No definition available. + Details
Name: | rrc_NumberOfShallowNonCoreWellsDisposed
Namespace Prefix: | rrc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_StatementGeographicalAxis=stpr_PA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |