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Asset Retirement Obligations - Asset Retirement Obligations (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Asset Retirement Obligation [Abstract] |  |
Beginning of period | $ 230,077 us-gaap_AssetRetirementObligation | $ 146,478 us-gaap_AssetRetirementObligation
Liabilities incurred | 8,602 us-gaap_AssetRetirementObligationLiabilitiesIncurred | 8,731 us-gaap_AssetRetirementObligationLiabilitiesIncurred
Acquisitions | 11,927 rrc_AssetRetirementObligationAcquisitions |
Liability released | (8,309)rrc_AssetRetirementObligationLiabilityReleased |
Liabilities settled | (4,442)us-gaap_AssetRetirementObligationLiabilitiesSettled | (424)us-gaap_AssetRetirementObligationLiabilitiesSettled
Disposition of wells | (13,951)rrc_AssetRetirementObligationDispositionOfWells | (3,129)rrc_AssetRetirementObligationDispositionOfWells
Accretion expense | 15,226 us-gaap_AssetRetirementObligationAccretionExpense | 10,778 us-gaap_AssetRetirementObligationAccretionExpense
Change in estimate | 48,333 us-gaap_AssetRetirementObligationRevisionOfEstimate | 67,643 us-gaap_AssetRetirementObligationRevisionOfEstimate
End of period | 287,463 us-gaap_AssetRetirementObligation | 230,077 us-gaap_AssetRetirementObligation
Less current portion | (15,067)us-gaap_AssetRetirementObligationCurrent | (5,037)us-gaap_AssetRetirementObligationCurrent
Long-term asset retirement obligations | $ 272,396 us-gaap_AssetRetirementObligationsNoncurrent | $ 225,040 us-gaap_AssetRetirementObligationsNoncurrent

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- Definition The amount recognized during the year for the acquisition of oil and gas or other property that has an associated asset retirement obligation. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition The amount recognized during the year by the disposition of wells which is associated with an asset retirement obligation. + References No definition available. + Details
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- Definition Asset retirement obligation liability released. + References No definition available. + Details
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Namespace Prefix: | rrc_
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Asset Retirement Obligation -URI http://asc.fasb.org/extlink&oid=6505190 + Details
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- Details
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- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of asset retirement obligations incurred during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of the Increase or Decrease in the amount of the asset retirement obligation during the current period for changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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