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v2.4.1.9

Capital Stock (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Equity [Line Items] |  |  |
Beginning balance | 163,342,894 us-gaap_CommonStockSharesOutstanding | 162,514,098 us-gaap_CommonStockSharesOutstanding | 161,131,547 us-gaap_CommonStockSharesOutstanding
Stock options/SARs exercised | 195,242 rrc_CommonStockIssuedAsResultOfStockOptionsExercised | 278,916 rrc_CommonStockIssuedAsResultOfStockOptionsExercised | 926,425 rrc_CommonStockIssuedAsResultOfStockOptionsExercised
Restricted stock grants | 270,062 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross | 401,122 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross | 354,674 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
Restricted stock units vested | 244,413 rrc_StockIssuedDuringPeriodSharesRestrictedStockUnitsVested | 119,480 rrc_StockIssuedDuringPeriodSharesRestrictedStockUnitsVested | 57,824 rrc_StockIssuedDuringPeriodSharesRestrictedStockUnitsVested
Treasury shares | 15,566 us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued | 29,278 us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued | 43,628 us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued
Ending balance | 168,628,177 us-gaap_CommonStockSharesOutstanding | 163,342,894 us-gaap_CommonStockSharesOutstanding | 162,514,098 us-gaap_CommonStockSharesOutstanding
Common Stock |  |  |
Equity [Line Items] |  |  |
Equity offering | 5,270,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 799,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,339,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Common Stock | Public Offerings |  |  |
Equity [Line Items] |  |  |
Equity offering | 4,560,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsidiarySaleOfStockAxis = rrc_PublicOfferingsMember |  |

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