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INCOME AND FRANCHISE TAXES (Details 2) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013
Deferred tax assets |  |  |
Allowance for loan and lease losses |  | $ 26,052,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses | $ 28,926,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
Accrued expenses |  | 2,981,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 2,950,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Employee retirement benefits |  | 11,023,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits | 8,762,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Federal and state tax credit carryforwards |  | 30,593,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards | 37,449,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Investment write-downs and write-offs |  |  | 3,051,000 us-gaap_DeferredTaxAssetsInvestments
Interest on nonaccrual loans |  | 1,600,000 cpf_DeferredTaxAssetsInterestOnNonaccrualLoans | 1,962,000 cpf_DeferredTaxAssetsInterestOnNonaccrualLoans
Federal and state net operating loss carryforwards |  | 57,173,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 87,757,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Other |  | 13,357,000 us-gaap_DeferredTaxAssetsOther | 15,486,000 us-gaap_DeferredTaxAssetsOther
Total deferred tax assets |  | 142,779,000 us-gaap_DeferredTaxAssetsGross | 186,343,000 us-gaap_DeferredTaxAssetsGross
Deferred tax liabilities |  |  |
Intangible assets |  | 11,803,000 us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets | 13,117,000 us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
FHLB stock dividends received |  | 10,742,000 cpf_DeferredTaxLiabilitiesFHLBStockDividendsReceived | 11,848,000 cpf_DeferredTaxLiabilitiesFHLBStockDividendsReceived
Leases |  | 1,203,000 us-gaap_DeferredTaxLiabilitiesLeasingArrangements | 2,755,000 us-gaap_DeferredTaxLiabilitiesLeasingArrangements
Deferred gain on curtailed retirement plan |  | 3,315,000 cpf_DeferredTaxLiabilitiesDeferredGainOnCurtailedRetirementPlan | 3,339,000 cpf_DeferredTaxLiabilitiesDeferredGainOnCurtailedRetirementPlan
Liability on utilization of state tax credits |  | 6,237,000 cpf_DeferredTaxLiabilitiesLiabilityOnUtilizationOfStateTaxCredits | 7,722,000 cpf_DeferredTaxLiabilitiesLiabilityOnUtilizationOfStateTaxCredits
Other |  | 2,234,000 us-gaap_DeferredTaxLiabilitiesOther | 3,614,000 us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liabilities |  | 35,534,000 us-gaap_DeferredIncomeTaxLiabilities | 42,395,000 us-gaap_DeferredIncomeTaxLiabilities
Deferred tax valuation allowance |  | 2,847,000 us-gaap_DeferredTaxAssetsValuationAllowance | 6,700,000 us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred tax assets |  | 104,398,000 us-gaap_DeferredTaxAssetsLiabilitiesNet | 137,248,000 us-gaap_DeferredTaxAssetsLiabilitiesNet
Net change in the total valuation allowance |  | 3,900,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | 140,800,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Change in valuation allowance recognized as income tax benefit |  | 2,600,000 cpf_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedAsIncomeTaxExpenseBenefit | 132,100,000 cpf_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedAsIncomeTaxExpenseBenefit
Change in valuation allowance recognized as expense (benefit) for AOCI |  | 1,300,000 cpf_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedAsExpenseBenefitForAccumulatedOtherComprehensiveIncomeLoss | 8,700,000 cpf_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedAsExpenseBenefitForAccumulatedOtherComprehensiveIncomeLoss
Net impact of reversing the valuation allowance recorded as provision for income tax benefit | 119,800,000 cpf_ValuationAllowanceDeferredTaxAssetsImpactOfReversingAmountRecordedAsIncomeTaxExpenseBenefit |  |
Federal |  |  |
Income and franchise taxes |  |  |
Income tax receivable, current |  | 0 us-gaap_IncomeTaxReceivable / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember | 100,000 us-gaap_IncomeTaxReceivable / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember
State |  |  |
Income and franchise taxes |  |  |
Income tax receivable, current |  | $ 1,700,000 us-gaap_IncomeTaxReceivable / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember | $ 1,800,000 us-gaap_IncomeTaxReceivable / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember

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