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Stock-Based Compensation Plans - Additional Information 2 (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense $ 14,491us-gaap_AllocatedShareBasedCompensationExpense $ 14,137us-gaap_AllocatedShareBasedCompensationExpense
Performance Shares    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense 1,300us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember		 533us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
Units granted 77,119us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember		 [1]  
Weighted average grant date fair value $ 55.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember		 [1]  
Vesting period 3 years 3 years
Equity Awards    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense 7,800us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockEquityAwardsMember		 6,500us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockEquityAwardsMember
Units granted 548,046us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockEquityAwardsMember		 351,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockEquityAwardsMember
Weighted average grant date fair value $ 52.45us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockEquityAwardsMember		 $ 84.89us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockEquityAwardsMember
Vesting period 3 years  
Restricted Stock Liability Awards    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense $ 3,900us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockLiabilityAwardsMember		 $ 4,700us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockLiabilityAwardsMember
Units granted 94,573us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockLiabilityAwardsMember		  
Weighted average grant date fair value $ 52.25us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockLiabilityAwardsMember		  
Vesting period 3 years 3 years
Restricted Stock Liability Awards | Employees    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Units granted   76,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockLiabilityAwardsMember
/ us-gaap_TitleOfIndividualAxis
= rrc_EmployeesMember
Weighted average grant date fair value   $ 85.02us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrc_RestrictedStockLiabilityAwardsMember
/ us-gaap_TitleOfIndividualAxis
= rrc_EmployeesMember
[1] Amounts granted reflect the number of performance units granted; however, the actual payout of shares will be between zero percent and 150% of the performance units granted depending on the total shareholder return ranking compared to the peer companies at the end of the three-year performance period.