2.4.0.82409402 - Disclosure - Common Stock (Details)truefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0001346980duration2013-01-01T00:00:002013-06-30T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli02false truefalseI2013Q2_us-gaap_StatementClassOfStockAxis_us-gaap_CommonStockMemberhttp://www.sec.gov/CIK0001346980instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommon Stockus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonStockMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli03false truefalseI2012Q4_us-gaap_StatementClassOfStockAxis_us-gaap_CommonStockMemberhttp://www.sec.gov/CIK0001346980instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommon Stockus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonStockMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli04false truefalseD2013Q2YTD_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMemberhttp://www.sec.gov/CIK0001346980duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseCommon Class Aus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassAMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli05false truefalseI2013Q2_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassBMemberhttp://www.sec.gov/CIK0001346980instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommon Class Bus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassBMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli06false truefalseI2012Q4_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassBMemberhttp://www.sec.gov/CIK0001346980instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommon Class Bus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassBMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli07false truefalseI2013Q2_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassCMemberhttp://www.sec.gov/CIK0001346980instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommon Class Cus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassCMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli08false truefalseI2012Q4_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassCMemberhttp://www.sec.gov/CIK0001346980instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommon Class Cus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassCMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli09false truefalseI2013Q2_us-gaap_StatementClassOfStockAxis_cpr_CommonClassDMemberhttp://www.sec.gov/CIK0001346980instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommon Class Dus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassDMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli010false truefalseI2012Q4_us-gaap_StatementClassOfStockAxis_cpr_CommonClassDMemberhttp://www.sec.gov/CIK0001346980instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommon Class Dus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassDMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli011false truefalseI2013Q2_us-gaap_StatementClassOfStockAxis_cpr_CommonClassEMemberhttp://www.sec.gov/CIK0001346980instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommon Class Eus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassEMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli012false truefalseI2012Q4_us-gaap_StatementClassOfStockAxis_cpr_CommonClassEMemberhttp://www.sec.gov/CIK0001346980instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommon Class Eus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassEMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli013false truefalseI2013Q2_us-gaap_StatementClassOfStockAxis_cpr_CommonClassFMemberhttp://www.sec.gov/CIK0001346980instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommon Class Fus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassFMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli014false truefalseI2012Q4_us-gaap_StatementClassOfStockAxis_cpr_CommonClassFMemberhttp://www.sec.gov/CIK0001346980instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommon Class Fus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassFMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli015false truefalseI2013Q2_us-gaap_StatementClassOfStockAxis_cpr_CommonClassGMemberhttp://www.sec.gov/CIK0001346980instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommon Class Gus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassGMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli016false truefalseI2012Q4_us-gaap_StatementClassOfStockAxis_cpr_CommonClassGMemberhttp://www.sec.gov/CIK0001346980instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommon Class Gus-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldicpr_CommonClassGMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli01true 4us-gaap_IncreaseDecreaseInStockholdersEquityRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Common stock rollforward2false 5us-gaap_CommonStockSharesOutstandingus-gaap_truenainstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1falsefalsefalse00falsefalsefalse2truefalsefalse14230561423056falsefalsefalse3truefalsefalse14200341420034falsefalsefalse4truefalsefalse6799167991falsefalsefalse5truefalsefalse357882357882falsefalsefalse6truefalsefalse357882357882falsefalsefalse7truefalsefalse209882209882falsefalsefalse8truefalsefalse209882209882falsefalsefalse9truefalsefalse279999279999falsefalsefalse10truefalsefalse279999279999falsefalsefalse11truefalsefalse504276504276falsefalsefalse12truefalsefalse504276504276falsefalsefalse13truefalsefalse11falsefalsefalse14truefalsefalse11falsefalsefalse15truefalsefalse33falsefalsefalse16truefalsefalse33falsefalsefalsexbrli:sharesItemTypesharesNumber of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 false1Shares outstanding at January 1, 20133false 5us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGrossus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse72517251falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse72517251falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesTotal number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false1Restricted stock issuances4false 5us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensationus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse-769-769falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-769-769falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesFor net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.No definition available.false1Restricted stock repurchased5false 5us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeitedus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse-3460-3460falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-3460-3460falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesNumber of shares related to Restricted Stock Award forfeited during the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 false1Restricted stock forfeitures6false 5us-gaap_CommonStockSharesOutstandingus-gaap_truenainstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1falsefalsefalse00falsefalsefalse2truefalsefalse14230561423056falsefalsefalse3truefalsefalse14200341420034falsefalsefalse4truefalsefalse7101371013falsefalsefalse5truefalsefalse357882357882falsefalsefalse6truefalsefalse357882357882falsefalsefalse7truefalsefalse209882209882falsefalsefalse8truefalsefalse209882209882falsefalsefalse9truefalsefalse279999279999falsefalsefalse10truefalsefalse279999279999falsefalsefalse11truefalsefalse504276504276falsefalsefalse12truefalsefalse504276504276falsefalsefalse13truefalsefalse11falsefalsefalse14truefalsefalse11falsefalsefalse15truefalsefalse33falsefalsefalse16truefalsefalse33falsefalsefalsexbrli:sharesItemTypesharesNumber of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 false1Shares outstanding at June 30, 2013falseCommon Stock (Details)UnKnownNoRoundingUnKnownUnKnowntruefalsefalseSheethttp://www.chaparralenergy.com/role/CommonStockDetails166