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Stock-based Compensation Plans - PG/RG-PSUs Activities (Parenthetical) (Detail) - Performance-based PG-PSUs and RG-PSUs - Tranche | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total Number of tranches in PSU |  | 3
Number of tranches forfeited |  | 1
Minimum |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Potential payout of shares granted | 0.00% |
Maximum |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Potential payout of shares granted | 200.00% |

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- Definition Number of tranches in the performance grant for which the shares have been forfeited due to performance outcome. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Total number of performance tranches by year within one performance grant. + References No definition available. + Details
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Namespace Prefix: | rrc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Potential payout of shares granted. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- 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
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- Details
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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