2.4.0.8 Html 183 199 1 true 57 0 false 9 false false R1.htm 00050 - Document - Document and Entity Information Sheet http://www.callon.com/role/DocumentDocumentAndEntityInformation Document and Entity Information true false R2.htm 00100 - Statement - Consolidated Balance Sheets Sheet http://www.callon.com/role/StatementConsolidatedBalanceSheets Consolidated Balance Sheets false false R3.htm 00101 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.callon.com/role/StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 00200 - Statement - Consolidated Statements of Operations Sheet http://www.callon.com/role/StatementConsolidatedStatementsOfOperations Consolidated Statements of Operations false false R5.htm 00500 - Statement - Consolidated Statements of Cash Flows Sheet http://www.callon.com/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows false false R6.htm 10101 - Disclosure - Description of Business and Basis of Presentation Sheet http://www.callon.com/role/DisclosureDescriptionOfBusinessAndBasisOfPresentation Description of Business and Basis of Presentation false false R7.htm 10201 - Disclosure - Oil and Natural Gas Properties Sheet http://www.callon.com/role/DisclosureOilAndNaturalGasProperties Oil and Natural Gas Properties false false R8.htm 10301 - Disclosure - Earnings Per Share Sheet http://www.callon.com/role/DisclosureEarningsPerShare Earnings Per Share false false R9.htm 10401 - Disclosure - Borrowings Sheet http://www.callon.com/role/DisclosureBorrowings Borrowings false false R10.htm 10501 - Disclosure - Derivative Instruments and Hedging Activities Sheet http://www.callon.com/role/DisclosureDerivativeInstrumentsAndHedgingActivities Derivative Instruments and Hedging Activities false false R11.htm 10601 - Disclosure - Fair Value Measurements Sheet http://www.callon.com/role/DisclosureFairValueMeasurements Fair Value Measurements false false R12.htm 10701 - Disclosure - Income Taxes Sheet http://www.callon.com/role/DisclosureIncomeTaxes Income Taxes false false R13.htm 10801 - Disclosure - Asset Retirement Obligations Sheet http://www.callon.com/role/DisclosureAssetRetirementObligations Asset Retirement Obligations false false R14.htm 10901 - Disclosure - Equity Transactions Sheet http://www.callon.com/role/DisclosureEquityTransactions Equity Transactions false false R15.htm 11001 - Disclosure - Other Sheet http://www.callon.com/role/DisclosureOther Other false false R16.htm 30201 - Disclosure - Oil and Natural Gas Properties (Tables) Sheet http://www.callon.com/role/DisclosureOilAndNaturalGasPropertiesTables Oil and Natural Gas Properties (Tables) false false R17.htm 30301 - Disclosure - Earnings Per Share (Tables) Sheet http://www.callon.com/role/DisclosureEarningsPerShareTables Earnings Per Share (Tables) false false R18.htm 30401 - Disclosure - Borrowings (Tables) Sheet http://www.callon.com/role/DisclosureBorrowingsTables Borrowings (Tables) false false R19.htm 30501 - Disclosure - Derivative Instruments and Hedging Activities (Tables) Sheet http://www.callon.com/role/DisclosureDerivativeInstrumentsAndHedgingActivitiesTables Derivative Instruments and Hedging Activities (Tables) false false R20.htm 30601 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.callon.com/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) false false R21.htm 30801 - Disclosure - Asset Retirement Obligations (Tables) Sheet http://www.callon.com/role/DisclosureAssetRetirementObligationsTables Asset Retirement Obligations (Tables) false false R22.htm 40201 - Disclosure - Oil and Natural Gas Properties (Narrative) (Details) Sheet http://www.callon.com/role/DisclosureOilAndNaturalGasPropertiesNarrativeDetails Oil and Natural Gas Properties (Narrative) (Details) false false R23.htm 40201 - Disclosure - Oil and Natural Gas Properties (Net Assets Acquired) (Details) Sheet http://www.callon.com/role/DisclosureOilAndNaturalGasPropertiesNetAssetsAcquiredDetails Oil and Natural Gas Properties (Net Assets Acquired) (Details) false false R24.htm 40203 - Disclosure - Oil and Natural Gas Properties (Unaudited Pro Forma Financial Information) (Details) Sheet http://www.callon.com/role/DisclosureOilAndNaturalGasPropertiesUnauditedProFormaFinancialInformationDetails Oil and Natural Gas Properties (Unaudited Pro Forma Financial Information) (Details) false false R25.htm 40301 - Disclosure - Earnings Per Share (Details) Sheet http://www.callon.com/role/DisclosureEarningsPerShareDetails Earnings Per Share (Details) false false R26.htm 40402 - Disclosure - Borrowings (Schedule of Borrowings) (Details) Sheet http://www.callon.com/role/DisclosureBorrowingsScheduleOfBorrowingsDetails Borrowings (Schedule of Borrowings) (Details) false false R27.htm 40403 - Disclosure - Borrowings (Senior secured revolving credit facility ) (Details) Sheet http://www.callon.com/role/DisclosureBorrowingsSeniorSecuredRevolvingCreditFacilityDetails Borrowings (Senior secured revolving credit facility ) (Details) false false R28.htm 40404 - Disclosure - Borrowings (Term Loans) (Details) Sheet http://www.callon.com/role/DisclosureBorrowingsTermLoansDetails Borrowings (Term Loans) (Details) false false R29.htm 40405 - Disclosure - Borrowings (13% Senior Notes due 2016 (“Senior Notes”) and Deferred Credit) (Details) Notes http://www.callon.com/role/DisclosureBorrowings13SeniorNotesDue2016SeniorNotesAndDeferredCreditDetails Borrowings (13% Senior Notes due 2016 (“Senior Notes”) and Deferred Credit) (Details) false false R30.htm 40501 - Disclosure - Derivative Instruments and Hedging Activities (Derivatives Fair Value By Balance Sheet Location) (Details) Sheet http://www.callon.com/role/DisclosureDerivativeInstrumentsAndHedgingActivitiesDerivativesFairValueByBalanceSheetLocationDetails Derivative Instruments and Hedging Activities (Derivatives Fair Value By Balance Sheet Location) (Details) false false R31.htm 40502 - Disclosure - Derivative Instruments and Hedging Activities (Derivative Netting Adjustments) (Details) Sheet http://www.callon.com/role/DisclosureDerivativeInstrumentsAndHedgingActivitiesDerivativeNettingAdjustmentsDetails Derivative Instruments and Hedging Activities (Derivative Netting Adjustments) (Details) false false R32.htm 40503 - Disclosure - Derivative Instruments and Hedging Activities (Gain or loss on derivative contracts) (Details) Sheet http://www.callon.com/role/DisclosureDerivativeInstrumentsAndHedgingActivitiesGainOrLossOnDerivativeContractsDetails Derivative Instruments and Hedging Activities (Gain or loss on derivative contracts) (Details) false false R33.htm 40504 - Disclosure - Derivative Instruments and Hedging Activities (Derivative Positions) (Details) Sheet http://www.callon.com/role/DisclosureDerivativeInstrumentsAndHedgingActivitiesDerivativePositionsDetails Derivative Instruments and Hedging Activities (Derivative Positions) (Details) false false R34.htm 40602 - Disclosure - Fair Value Measurements (Fair Value) (Details) Sheet http://www.callon.com/role/DisclosureFairValueMeasurementsFairValueDetails Fair Value Measurements (Fair Value) (Details) false false R35.htm 40701 - Disclosure - Income Taxes (Narrative) (Details) Sheet http://www.callon.com/role/DisclosureIncomeTaxesNarrativeDetails Income Taxes (Narrative) (Details) false false R36.htm 40801 - Disclosure - Asset Retirement Obligations (Details) Sheet http://www.callon.com/role/DisclosureAssetRetirementObligationsDetails Asset Retirement Obligations (Details) false false R37.htm 40901 - Disclosure - Equity Transactions (Details) Sheet http://www.callon.com/role/DisclosureEquityTransactionsDetails Equity Transactions (Details) false false R38.htm 41001 - Disclosure - Other (Details) Sheet http://www.callon.com/role/DisclosureOtherDetails Other (Details) false false All Reports Book All Reports Element cpe_GasAndOilAreaNetRevenueInterest had a mix of decimals attribute values: 2 3. Process Flow-Through: 00100 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Sep. 30, 2013' Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: 00101 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: 00200 - Statement - Consolidated Statements of Operations Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: 00500 - Statement - Consolidated Statements of Cash Flows cpe-20140930.xml cpe-20140930.xsd cpe-20140930_cal.xml cpe-20140930_def.xml cpe-20140930_lab.xml cpe-20140930_pre.xml true true