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Income Taxes (Income Tax Reconciliation) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Component of Income Tax Rate Reconciliation | |||
| Income tax expense computed at the statutory federal income tax rate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |
| Percentage depletion carryforward | (8.00%)cpe_EffectiveIncomeTaxRateReconciliationDepletionCarryforwardPercent | (22.00%)cpe_EffectiveIncomeTaxRateReconciliationDepletionCarryforwardPercent | |
| State taxes net of federal benefit | 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 4.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 6.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes |
| Restricted stock and stock options | 5.00%cpe_EffectiveIncomeTaxRateReconciliationRestrictedStockAndStockOptions | 2.00%cpe_EffectiveIncomeTaxRateReconciliationRestrictedStockAndStockOptions | |
| Section 162m | 2.00%cpe_EffectiveIncomeTaxRateReconciliationSection162M | 6.00%cpe_EffectiveIncomeTaxRateReconciliationSection162M | 22.00%cpe_EffectiveIncomeTaxRateReconciliationSection162M |
| Other | 4.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | ||
| Effective income tax rate | 38.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 42.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 47.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations |
| Components of Income Tax Expense | |||
| Current state income tax expense | $ 326us-gaap_CurrentStateAndLocalTaxExpenseBenefit | $ 110us-gaap_CurrentStateAndLocalTaxExpenseBenefit | |
| Deferred federal income tax expense | 22,373us-gaap_DeferredFederalIncomeTaxExpenseBenefit | 2,652us-gaap_DeferredFederalIncomeTaxExpenseBenefit | 1,777us-gaap_DeferredFederalIncomeTaxExpenseBenefit |
| Deferred state income tax expense | 761us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 126us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 336us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit |
| Total income tax expense (benefit) | $ 23,134us-gaap_IncomeTaxExpenseBenefit | $ 3,104us-gaap_IncomeTaxExpenseBenefit | $ 2,223us-gaap_IncomeTaxExpenseBenefit |
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- Details
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- Definition
Effective Income Tax Rate Reconciliation, Depletion Carryforward, Percent No definition available.
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- Definition
Effective Income Tax Rate Reconciliation, Restricted Stock and Stock Options No definition available.
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- Definition
Effective Income Tax Rate Reconciliation, Section 162m No definition available.
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- Definition
Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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