Name:	rrc_DerivativeNonmonetaryContractEnergyMeasure
Namespace Prefix:	rrc_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	instant

Potential contractual payout of contingent consideration.

No definition available.

Name:	rrc_PotentialContractualPayoutOfContingentConsideration
Namespace Prefix:	rrc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126966630&loc=d3e41228-113958

Name:	us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of increase in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

Name:	us-gaap_DerivativeGainOnDerivative
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Balance Type:	credit
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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.

No definition available.

Name:	us-gaap_DerivativeLineItems
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Data Type:	xbrli:stringItemType
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Amount of decrease in the fair value of derivatives recognized in the income statement.

Name:	us-gaap_DerivativeLossOnDerivative
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Name:	us-gaap_ContingentConsiderationByTypeAxis=rrc_ContingentConsiderationMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_StatementGeographicalAxis=rrc_NorthLouisianaMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
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Period Type:

Name:	us-gaap_DerivativeInstrumentRiskAxis=rrc_DerivativesExcludingBasisSwapsAndFreightSwapsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix:
Data Type:	na
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