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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

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

- 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
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Period Type: