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Derivative Instruments and Hedging Activities (Derivative Netting Adjustments) (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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| Offsetting Assets and Liabilities [Line Items] | ||
| Derivative Assets | $ 27,850us-gaap_DerivativeAssets | $ 60us-gaap_DerivativeAssets |
| Derivative Liabilities | (1,249)us-gaap_DerivativeLiabilities | (1,108)us-gaap_DerivativeLiabilities |
| Current assets: Fair value of hedging contracts [Member] | ||
| Offsetting Assets and Liabilities [Line Items] | ||
| Derivative Asset, Fair Value, Gross Asset |
27,850us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = cpe_CurrentAssetsFairValueOfHedgingContractsMember |
8us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = cpe_CurrentAssetsFairValueOfHedgingContractsMember |
| Derivative Assets |
27,850us-gaap_DerivativeAssets / us-gaap_BalanceSheetLocationAxis = cpe_CurrentAssetsFairValueOfHedgingContractsMember |
60us-gaap_DerivativeAssets / us-gaap_BalanceSheetLocationAxis = cpe_CurrentAssetsFairValueOfHedgingContractsMember |
| Derivative Liability, Fair Value, Gross Asset |
52us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_BalanceSheetLocationAxis = cpe_CurrentAssetsFairValueOfHedgingContractsMember |
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| Current liabilities: Fair value of hedging contracts [Member] | ||
| Offsetting Assets and Liabilities [Line Items] | ||
| Derivative Liability, Fair Value, Gross Liability |
(1,249)us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cpe_CurrentLiabilitiesFairValueOfHedgingContractsMember |
(1,088)us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cpe_CurrentLiabilitiesFairValueOfHedgingContractsMember |
| Derivative Liability, Fair Value, Gross Asset |
52us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_BalanceSheetLocationAxis = cpe_CurrentLiabilitiesFairValueOfHedgingContractsMember |
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| Derivative Liabilities |
(1,249)us-gaap_DerivativeLiabilities / us-gaap_BalanceSheetLocationAxis = cpe_CurrentLiabilitiesFairValueOfHedgingContractsMember |
(1,036)us-gaap_DerivativeLiabilities / us-gaap_BalanceSheetLocationAxis = cpe_CurrentLiabilitiesFairValueOfHedgingContractsMember |
| Long-term liabilities: Fair value of hedging contracts [Member] | ||
| Offsetting Assets and Liabilities [Line Items] | ||
| Derivative Liability, Fair Value, Gross Liability |
(72)us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cpe_LongTermLiabilitiesFairValueOfHedgingContractsMember |
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| Derivative Liabilities |
$ (72)us-gaap_DerivativeLiabilities / us-gaap_BalanceSheetLocationAxis = cpe_LongTermLiabilitiesFairValueOfHedgingContractsMember |
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- Definition
Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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