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Stock-Based Compensation Plans - Additional Information 4 (Detail) (USD $) Share data in Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of employees contribution |  |  |  |  |  |  |  |  | 75.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent |  |
Maximum percentage of employers contribution in cash |  |  |  |  |  |  |  |  | 6.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent |  |
Employer contribution |  |  |  |  |  |  |  |  | $ 5,800,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | $ 5,100,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount |
Deferred compensation plan vesting period |  |  |  |  |  |  |  |  | 3 years |  |
Deferred compensation plan | $ (36,836,000)us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ (46,198,000)us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ 10,519,000 us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ (2,035,000)us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ 22,039,000 us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ (2,225,000)us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ (6,878,000)us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ 42,360,000 us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ (74,550,000)us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ 55,296,000 us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense | $ 7,203,000 us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
Shares held in rabbi trust total | 2.8 rrc_SharesHeldInRabbiTrust |  |  |  | 2.8 rrc_SharesHeldInRabbiTrust |  |  |  | 2.8 rrc_SharesHeldInRabbiTrust | 2.8 rrc_SharesHeldInRabbiTrust |
Vested shares held in rabbi trust | 2.5 rrc_VestedSharesHeldInRabbiTrust |  |  |  | 2.4 rrc_VestedSharesHeldInRabbiTrust |  |  |  | 2.5 rrc_VestedSharesHeldInRabbiTrust | 2.4 rrc_VestedSharesHeldInRabbiTrust |

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- Definition Deferred compensation arrangement with individual, vesting period. + References No definition available. + Details
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Balance Type: | na
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- Definition Shares held in rabbi trust. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Vested shares held in rabbi trust. + References No definition available. + Details
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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Details
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