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Equity Method Investments - Additional Information (Detail) (USD $)
0 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 6 Months Ended
Jun. 16, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2013
Dec. 31, 2006
May 31, 2007
Jun. 30, 2014
Schedule Of Equity Method Investments [Line Items]                
Income (Loss) from equity method investments $ 0us-gaap_IncomeLossFromEquityMethodInvestments $ (3,095,000)us-gaap_IncomeLossFromEquityMethodInvestments $ 2,973,000us-gaap_IncomeLossFromEquityMethodInvestments $ (5,670,000)us-gaap_IncomeLossFromEquityMethodInvestments        
Whipstock Natural Gas Services Llc                
Schedule Of Equity Method Investments [Line Items]                
Percentage ownership interest     50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_WhipstockNaturalGasServicesLlcMember
    50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_WhipstockNaturalGasServicesLlcMember
   
Cash contributed for investment           11,700,000us-gaap_PaymentsToAcquireEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_WhipstockNaturalGasServicesLlcMember
   
Proceeds from sale of equity method investments         7,000,000us-gaap_ProceedsFromSaleOfEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_WhipstockNaturalGasServicesLlcMember
     
Equity method investment, Realized gain (loss) on disposal         4,400,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_WhipstockNaturalGasServicesLlcMember
     
Nora Gathering, LLC                
Schedule Of Equity Method Investments [Line Items]                
Percentage ownership interest   50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
           
Cash contributed for investment             94,700,000us-gaap_PaymentsToAcquireEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
 
Additional contributions made to fund expansion   0us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
0us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
0us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
       
Income (Loss) from equity method investments     (146,000)us-gaap_IncomeLossFromEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
(1,200,000)us-gaap_IncomeLossFromEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
      (277,000)us-gaap_IncomeLossFromEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
Reduction in equity to eliminate the profit from gathering and transportation fees     7,700,000rrc_ReductionInEquityToEliminateProfitOnTransportationFees
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
7,500,000rrc_ReductionInEquityToEliminateProfitOnTransportationFees
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
      3,100,000rrc_ReductionInEquityToEliminateProfitOnTransportationFees
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
Cash distribution from investment   $ 7,000,000us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
$ 9,000,000us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
$ 12,800,000us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_NoraGatheringLimitedLiabilityCompanyMember
       
EQT Corporation                
Schedule Of Equity Method Investments [Line Items]                
Equity method investment remaining ownership percentage 50.00%rrc_EquityMethodInvestmentRemainingOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rrc_EqtCorporationMember