XML 25 R76.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Commitments And Contingencies Disclosure [Line Items]  
Transportation commitments future minimum transportation fees due three months change $ 52.9rrc_TransportationCommitmentsFutureMinimumTransportationFeesDueDuringPeriod
Period of transportation commitments future minimum transportation fees due three months change 9 years
Natural Gas | Minimum  
Commitments And Contingencies Disclosure [Line Items]  
Transportation and gathering commitments contingent upon pipeline construction or modification, term of contract 2 years
Oil and Gas Delivery Commitments and Contracts, Daily Production 1,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember
Natural Gas | Maximum  
Commitments And Contingencies Disclosure [Line Items]  
Transportation and gathering commitments contingent upon pipeline construction or modification, term of contract 5 years
Oil and Gas Delivery Commitments and Contracts, Daily Production 40,000us-gaap_OilAndGasDeliveryCommitmentsAndContractsDailyProduction
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ReserveQuantitiesByTypeOfReserveAxis
= us-gaap_NaturalGasReservesMember