The value of common securities issued to the parent during the period.

No definition available.

Name:	cpf_CommonSecuritiesIssuedToParentValue
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the number of consecutive quarterly periods for which payments of interest can be deferred without default or penalty.

+ References

No definition available.

+ Details

Name:	cpf_DebtInstrumentNumberOfConsecutiveQuarterlyPeriodsForWhichInterestPaymentsCanBeDeferredWithoutDefaultOrPenalty
Namespace Prefix:	cpf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of wholly-owned statutory trusts created during the period.

+ References

No definition available.

+ Details

Name:	cpf_NumberOfWhollyOwnedStatutoryTrustsCreated
Namespace Prefix:	cpf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the cash outflow to repurchase remaining trust preferred securities.

+ References

No definition available.

+ Details

Name:	cpf_PaymentsForRepurchaseOfRemainingTrustPreferredSecurities
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the redemption period following the occurrence of certain events.

+ References

No definition available.

+ Details

Name:	cpf_RedemptionPeriodFollowingOccurrenceOfCertainEvents
Namespace Prefix:	cpf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the value of trust preferred securities auctioned off during the period.

+ References

No definition available.

+ Details

Name:	cpf_TrustPreferredSecuritiesAuctionedOffValue
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage points added to the reference rate to compute the variable rate on the trust preferred securities.

+ References

No definition available.

+ Details

Name:	cpf_TrustPreferredSecuritiesBasisSpreadOnVariableRate
Namespace Prefix:	cpf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the bid value of trust preferred securities which are accepted by the trustee during the period.

+ References

No definition available.

+ Details

Name:	cpf_TrustPreferredSecuritiesBidValueAcceptedAmount
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The reference rate for the variable rate of the trust preferred securities, such as LIBOR or the US treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

Name:	cpf_TrustPreferredSecuritiesDescriptionOfVariableRateBasis
Namespace Prefix:	cpf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of gain recognized from the difference between the accepted bid value and carrying value of trust preferred securities.

+ References

No definition available.

+ Details

Name:	cpf_TrustPreferredSecuritiesGainRecognized
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The value of trust preferred securities issued during the period.

+ References

No definition available.

+ Details

Name:	cpf_TrustPreferredSecuritiesIssuedValue
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate amount of interest paid or due on all long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 8

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.8)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

+ Details

Name:	us-gaap_InterestExpenseLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of cash paid for interest during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

Name:	us-gaap_InterestPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The sum of the carrying amounts, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and for which the transferees are not permitted to sell or re-pledge them to an unrelated party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 50

-Paragraph 1A

-Subparagraph (b)(1)(i)

-URI http://asc.fasb.org/extlink&oid=34720971&loc=SL6224234-111729

+ Details

Name:	us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The carrying amount as of the date of the latest financial statement presented of mortgage-related securities classified as available for sale or held for investment which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

+ References

+ Details

Name:	us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedMortgageRelatedSecuritiesAvailableForSaleOrHeldForInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	dei_LegalEntityAxis=cpf_CPBCapitalTrustIIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cpf_CPBCapitalTrustIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cpf_CPBCapitalTrustIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cpf_CPBCapitalTrustIVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cpf_CPBCapitalTrustVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_FederalHomeLoanBankAdvancesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

LONG-TERM DEBT (Details) (USD $)	1 Months Ended		12 Months Ended			0 Months Ended	1 Months Ended
LONG-TERM DEBT (Details) (USD $)	Mar. 31, 2013	Oct. 31, 2003 trust	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 07, 2013	Oct. 31, 2013	Jun. 30, 2013	Mar. 31, 2003	Sep. 30, 2004	Dec. 31, 2004
LONG-TERM DEBT
Long-term debt			$ 92,785,000us-gaap_LongTermDebt	$ 92,799,000us-gaap_LongTermDebt
Investment securities pledged as collateral			900,500,000	914,100,000
Interest expense			2,572,000us-gaap_InterestExpenseLongTermDebt	3,119,000us-gaap_InterestExpenseLongTermDebt	3,701,000us-gaap_InterestExpenseLongTermDebt
Number of wholly-owned statutory trusts created		2
Deferred accrued interest paid	13,000,000us-gaap_InterestPaid		6,413,000us-gaap_InterestPaid	19,260,000us-gaap_InterestPaid	5,622,000us-gaap_InterestPaid
CPB Capital Trust I
LONG-TERM DEBT
Long-term debt			500,000
Trust preferred securities issued								15,000,000	15,000,000
Variable rate basis									three-month LIBOR
Basis spread (as a percent)									3.25%
Common securities issued to the Company									500,000
Trust preferred securities auctioned off value								10,000,000
Trust preferred securities bid value accepted amount								9,000,000
Amount of gain recognized related to transaction of trust preferred securities						1,000,000
Payments for repurchase of remaining trust preferred securities							5,000,000
CPB Capital Trust II
LONG-TERM DEBT
Trust preferred securities issued		20,000,000
Variable rate basis		three-month LIBOR
Basis spread (as a percent)		2.85%
Common securities issued to the Company		600,000
CPB Capital Trust III
LONG-TERM DEBT
Trust preferred securities issued		20,000,000
Variable rate basis		three-month LIBOR
Basis spread (as a percent)		2.85%
Common securities issued to the Company		600,000
CPB Capital Trust IV
LONG-TERM DEBT
Trust preferred securities issued										30,000,000
Variable rate basis										three-month LIBOR
Basis spread (as a percent)										2.45%
Common securities issued to the Company										900,000
CPB Capital Trust V
LONG-TERM DEBT
Trust preferred securities issued											20,000,000
Variable rate basis											three-month LIBOR
Basis spread (as a percent)											1.87%
Common securities issued to the Company											600,000
FHLB line of credit
LONG-TERM DEBT
Long-term debt				14,000
Weighted average interest rate (as a percent)			8.22%	8.22%
Investment securities pledged as collateral			800,000
Real estate loans pledged as collateral			1,500,000,000
Additional unused capacity available			907,000,000
Interest expense			1,000	2,000	14,000
Subordinated debentures
LONG-TERM DEBT
Long-term debt			92,785,000	92,785,000
Subordinated debentures \| Maximum
LONG-TERM DEBT
Redemption period of trust preferred securities, the subordinated debentures and the common securities, following the occurrence of certain events			90 days
Number of consecutive quarterly periods for which payments of interest can be deferred without default or penalty			60 months
Subordinated debentures \| CPB Capital Trust I
LONG-TERM DEBT
Long-term debt			15,500,000
Subordinated debentures \| CPB Capital Trust II
LONG-TERM DEBT
Long-term debt			20,600,000
Subordinated debentures \| CPB Capital Trust III
LONG-TERM DEBT
Long-term debt			20,600,000
Subordinated debentures \| CPB Capital Trust IV
LONG-TERM DEBT
Long-term debt			30,900,000
Subordinated debentures \| CPB Capital Trust V
LONG-TERM DEBT
Long-term debt			$ 20,600,000