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Indebtedness - Guarantees and Debt Covenants - Additional Information (Detail) - Bank Credit Facility - Minimum | Jun. 30, 2021
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Debt Instrument [Line Items] |
Ratio of debt to EBITDAX | 250.00%
Current ratio | 100.00%
Present value of proved reserves to total debt | 150.00%

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- Definition The calculated ratio that relates to the debt covenant requirement to maintain a required current ratio as defined in the credit agreement. + References No definition available. + Details
Name: | rrc_DebtCovenantCurrentRatio
Namespace Prefix: | rrc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The calculated ratio that relates to the debt covenant requirement to maintain a ratio of debt to EBITDAX, as defined in the credit agreement. + References No definition available. + Details
Name: | rrc_DebtCovenantRatioOfDebtToEBITDAX
Namespace Prefix: | rrc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Debt covenant ratio of present value of proved reserves to debt. + References No definition available. + Details
Name: | rrc_DebtCovenantRatioOfPresentValueOfProvedReservesToDebt
Namespace Prefix: | rrc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

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- Details
Name: | us-gaap_DebtInstrumentAxis=rrc_BankCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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