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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Allowance for Loan and Lease Losses) (Details) | 12 Months Ended | 48 Months Ended
--- | --- | ---
Dec. 31, 2015 method quarter subsector | Dec. 31, 2013 quarter
Loans and Leases Receivable, Allowance [Abstract] |  |
Number of evaluation methods of loan and lease Allowance | method | 3 |
Number of homogeneous subsectors in the loan portfolio | subsector | 128 |
Number of rolling quarters used to evaluate Allowance | 24 |
Number of additional rolling quarters used to evaluate Allowance | 17 |
Number of criteria dividing the company's loan portfolio | 6 |
Number of rolling quarters used to evaluate percentage change in personal income | 4 |
Period used as baseline for personal income | 10 years |
Period used as baseline for unemployment rate change | 10 years |
Real Estate |  |
Loans and Leases Receivable, Allowance [Abstract] |  |
Number of rolling quarters used to evaluate Allowance |  | 8
Other |  |
Loans and Leases Receivable, Allowance [Abstract] |  |
Number of rolling quarters used to evaluate Allowance |  | 4

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
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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
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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
- References No definition available. + 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_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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