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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $) | 6 Months Ended | 12 Months Ended | 48 Months Ended
--- | --- | --- | ---
Dec. 31, 2014 item | Dec. 31, 2014 item | Dec. 31, 2013 item
Loans and Leases Receivable, Allowance [Abstract] |  |  |
Number of evaluation methods of loan and lease Allowance |  | 3 cpf_NumberOfEvaluationMethodsOfLoanAndLeaseAllowance |
Number of criteria dividing the company's loan portfolio | 6 cpf_LoanPortfolioNumberOfCriteriaDividingPortfolio | 6 cpf_LoanPortfolioNumberOfCriteriaDividingPortfolio |
Number of homogeneous subsectors in the loan portfolio | 128 cpf_LoanPortfolioNumberOfHomogeneousSubsectors | 128 cpf_LoanPortfolioNumberOfHomogeneousSubsectors |
Number of rolling quarters used to evaluate Allowance |  | 24 cpf_NumberOfQuartersLookBackForEvaluationOfLoanAndLeaseAllowance |
Number of additional rolling quarters used to evaluate Allowance |  | 17 cpf_IncreaseInNumberOfQuartersLookBackForEvaluationOfLoanAndLeaseAllowance |
Number of rolling quarters used to evaluate percentage change in personal income |  | 4 cpf_NumberOfQuartersLookBackForEvaluationOfPersonalIncomeChange |
Period used as baseline for personal income |  | 10 years |
Period used as baseline for unemployment rate change |  | 10 years |
Nearest value rounded upward of the general allowance component used for calculation | $ 500,000 cpf_UnallocatedAllowanceGeneralAllowanceComponentNearestRoundedUpwardValueUsedForCalculation |  |
Real Estate |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |
Number of rolling quarters used to evaluate Allowance |  |  | 8 cpf_NumberOfQuartersLookBackForEvaluationOfLoanAndLeaseAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_RealEstateMember
Other. |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |
Number of rolling quarters used to evaluate Allowance |  |  | 4 cpf_NumberOfQuartersLookBackForEvaluationOfLoanAndLeaseAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_OtherCreditDerivativesMember

X
- Definition Represents the baseline historical factor, calculated as the average quarter-to-quarter percentage change of personal income. + References No definition available. + Details
Name: | cpf_BaselinePeriodPersonalIncomeRateChange
Namespace Prefix: | cpf_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the baseline historical factor, calculated as the average quarter-to-quarter percentage change of personal . + References No definition available. + Details
Name: | cpf_BaselinePeriodUnemploymentRatechange
Namespace Prefix: | cpf_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the extension of the rolling number of quarters as the look-back period for the purpose of determining general allowance to incorporate broader loss experience through a more complete economic cycle and reduce the Company's reliance on proxy loss rates by capturing more of the Company's own historical loss experience. + References No definition available. + Details
Name: | cpf_IncreaseInNumberOfQuartersLookBackForEvaluationOfLoanAndLeaseAllowance
Namespace Prefix: | cpf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of criteria that divide the loan portfolio of the entity. + References No definition available. + Details
Name: | cpf_LoanPortfolioNumberOfCriteriaDividingPortfolio
Namespace Prefix: | cpf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of homogeneous subsectors in the loan portfolio of the entity. + References No definition available. + Details
Name: | cpf_LoanPortfolioNumberOfHomogeneousSubsectors
Namespace Prefix: | cpf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents number of methods for evaluating the allowance for loan and lease losses. + References No definition available. + Details
Name: | cpf_NumberOfEvaluationMethodsOfLoanAndLeaseAllowance
Namespace Prefix: | cpf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the rolling number of quarters as the look-back period for the purpose of determining general allowance including loss factors, loss experience, charge-offs and recoveries. + References No definition available. + Details
Name: | cpf_NumberOfQuartersLookBackForEvaluationOfLoanAndLeaseAllowance
Namespace Prefix: | cpf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the rolling number of quarters as the look-back period for the purpose of determining general allowance including loss factors, loss experience, charge-offs and recoveries. + References No definition available. + Details
Name: | cpf_NumberOfQuartersLookBackForEvaluationOfPersonalIncomeChange
Namespace Prefix: | cpf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the rounded upward to the nearest value of the general component of the allowance, used for calculating the percentage of unallocated component. + References No definition available. + Details
Name: | cpf_UnallocatedAllowanceGeneralAllowanceComponentNearestRoundedUpwardValueUsedForCalculation
Namespace Prefix: | cpf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LoansAndLeasesReceivableAllowanceAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_OtherCreditDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |