Debt Issuance Costs, Percent

No definition available.

Name:	cpf_DebtIssuanceCostsPercent
Namespace Prefix:	cpf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Recorded investment in financing receivables that have been modified by troubled debt restructurings and that are on accrual status as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	cpf_FinancingReceivableModificationsRecordedInvestmentAccrualStatus
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans And Leases Receivable, Number Of Loans Sold

+ References

No definition available.

+ Details

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

- Definition

Loans Issued By Financial Institutions Through The SBA

+ References

No definition available.

+ Details

Name:	cpf_LoansIssuedByFinancialInstitutionsThroughTheSBA
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Mortgage Loans Foreclosure, Amount

+ References

No definition available.

+ Details

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

- Definition

Mortgage Loans Foreclosure, Number

+ References

No definition available.

+ Details

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

- Definition

Mortgage Loans Foreclosure, Number Sold

+ References

No definition available.

+ Details

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

- Definition

Number Of Loans Issued By Financial Institutions Through The SBA

+ References

No definition available.

+ Details

Name:	cpf_NumberOfLoansIssuedByFinancialInstitutionsThroughTheSBA
Namespace Prefix:	cpf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Payment For (Proceeds From) Loans And Leases, Payment Of PPP Loans Forgiven

+ References

No definition available.

+ Details

Name:	cpf_PaymentForProceedsFromLoansAndLeasesPaymentOfPPPLoansForgiven
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Processing Fees From Loans Issued By Financial Institutions Through The SBA

+ References

No definition available.

+ Details

Name:	cpf_ProcessingFeesFromLoansIssuedByFinancialInstitutionsThroughTheSBA
Namespace Prefix:	cpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7)(2))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

+ Details

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

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

+ Details

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

- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=121568338&loc=d3e45377-112738

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534

+ Details

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

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

+ Details

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

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

+ Details

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

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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

- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 35
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL49126937-111524

+ Details

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

- Definition

Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586

+ Details

Name:	us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cpf_RealEstateCommercialMortgagePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cpf_CommercialRealEstateLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cpf_OtherLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cpf_RealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cpf_ResidentialRealEstateLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

LOANS AND CREDIT QUALITY (Loans and Leases) (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 27, 2020	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($) contract loan	Sep. 30, 2021 USD ($) loan segment property	Sep. 30, 2020 USD ($) loan contract	Dec. 31, 2020 USD ($)	Aug. 31, 2020 USD ($) segment
LOANS AND LEASES
Loans and leases, gross		$ 5,053,574		$ 5,053,574		$ 4,972,004
Net deferred fees		(7,777)		(7,777)		(7,891)
Total loans, net of allowance for credit losses		5,045,797		5,045,797		4,964,113
Financing Receivable, Allowance for Credit Loss		(74,587)		(74,587)		(83,269)
Loans and Leases Receivable, Net Amount		$ 4,971,210		$ 4,971,210		4,880,844
Debt Instrument, Interest Rate, Stated Percentage	1.00%
Number Of Loans Issued By Financial Institutions Through The SBA \| segment		4,600		4,600			7,200
Loans Issued By Financial Institutions Through The SBA		$ 320,900		$ 320,900			$ 558,900
Processing fees from loans issued by financial institutions through the SBA		18,400		18,400			$ 21,200
Payment for loans forgiven		653,200		653,200
Net transfer of loans to loans held for sale				0	$ 6,565
Loans		$ 5,045,797		$ 5,045,797		4,964,113
Loans And Leases Receivable, Number Of Loans Sold \| loan				0	0
Mortgage loans foreclosure, number sold \| property				0
Mortgage loans foreclosure, number \| loan			0	1	0
Mortgage Loans Foreclosure, Amount				$ 200
Number of TDRs included in nonperforming assets		1		1	12
Recorded Investment (as of Period End)		$ 61	$ 495	$ 61	$ 495
Amount of TDRs still accruing interest		$ 0	0	$ 0	$ 0
Minimum
LOANS AND LEASES
Debt instrument, term	2 years
Debt Issuance Costs, Percent	1.00%
Maximum
LOANS AND LEASES
Debt instrument, term	5 years
Debt Issuance Costs, Percent	5.00%
Real estate: Commercial mortgage
LOANS AND LEASES
Number of TDRs included in nonperforming assets \| contract					1
Real estate: Commercial mortgage \| Commercial Mortgage
LOANS AND LEASES
Recorded Investment (as of Period End)			281		$ 281
Amount of TDRs still accruing interest			$ 0		$ 0
Consumer
LOANS AND LEASES
Number of TDRs included in nonperforming assets		1	3	1	11
Recorded Investment (as of Period End)		$ 61	$ 80	$ 61	$ 80
Amount of TDRs still accruing interest		0	0	0	0
Consumer \| Consumer
LOANS AND LEASES
Loans and leases, gross		603,356		603,356		479,580
Net deferred fees		(108)		(108)		(146)
Total loans, net of allowance for credit losses		603,248		603,248		479,434
Loans		603,248		603,248		479,434
Recorded Investment (as of Period End)			214		214
Amount of TDRs still accruing interest			$ 0		$ 0
Real Estate \| Construction
LOANS AND LEASES
Loans and leases, gross		129,207		129,207		125,625
Net deferred fees		(299)		(299)		(218)
Total loans, net of allowance for credit losses		128,908		128,908		125,407
Loans		128,908		128,908		125,407
Real Estate \| Residential Mortgage
LOANS AND LEASES
Loans and leases, gross		1,747,183		1,747,183		1,687,251
Net deferred fees		1,546		1,546		2,961
Total loans, net of allowance for credit losses		1,748,729		1,748,729		1,690,212
Loans		1,748,729		1,748,729		1,690,212
Loans in the process of foreclosure		1,000		1,000		1,600
Real Estate \| Home Equity
LOANS AND LEASES
Loans and leases, gross		617,545		617,545		550,216
Net deferred fees		1,406		1,406		1,050
Total loans, net of allowance for credit losses		618,951		618,951		551,266
Loans		618,951		618,951		551,266
Real Estate \| Commercial Mortgage
LOANS AND LEASES
Loans and leases, gross		1,210,460		1,210,460		1,158,203
Net deferred fees		(2,043)		(2,043)		(1,875)
Total loans, net of allowance for credit losses		1,208,417		1,208,417		1,156,328
Loans		1,208,417		1,208,417		1,156,328
Special Mention
LOANS AND LEASES
Loans and leases, gross		45,180		45,180		142,499
Special Mention \| Consumer \| Consumer
LOANS AND LEASES
Loans and leases, gross		0		0		250
Special Mention \| Real Estate \| Construction
LOANS AND LEASES
Loans and leases, gross		0		0		2,843
Special Mention \| Real Estate \| Residential Mortgage
LOANS AND LEASES
Loans and leases, gross		979		979		1,736
Special Mention \| Real Estate \| Home Equity
LOANS AND LEASES
Loans and leases, gross		0		0		707
Special Mention \| Real Estate \| Commercial Mortgage
LOANS AND LEASES
Loans and leases, gross		20,884		20,884		69,786
Substandard
LOANS AND LEASES
Loans and leases, gross		46,408		46,408		49,730
Substandard \| Consumer \| Consumer
LOANS AND LEASES
Loans and leases, gross		431		431		284
Substandard \| Real Estate \| Construction
LOANS AND LEASES
Loans and leases, gross		920		920		0
Substandard \| Real Estate \| Residential Mortgage
LOANS AND LEASES
Loans and leases, gross		5,793		5,793		4,753
Substandard \| Real Estate \| Home Equity
LOANS AND LEASES
Loans and leases, gross		880		880		524
Substandard \| Real Estate \| Commercial Mortgage
LOANS AND LEASES
Loans and leases, gross		26,389		26,389		37,295
Loss
LOANS AND LEASES
Loans and leases, gross		54		54		48
Loss \| Consumer \| Consumer
LOANS AND LEASES
Loans and leases, gross		54		54		48
Loss \| Real Estate \| Construction
LOANS AND LEASES
Loans and leases, gross		0		0		0
Loss \| Real Estate \| Residential Mortgage
LOANS AND LEASES
Loans and leases, gross		0		0		0
Loss \| Real Estate \| Home Equity
LOANS AND LEASES
Loans and leases, gross		0		0		0
Loss \| Real Estate \| Commercial Mortgage
LOANS AND LEASES
Loans and leases, gross		0		0		0
Pass
LOANS AND LEASES
Loans and leases, gross		4,961,932		4,961,932		4,779,727
Pass \| Consumer \| Consumer
LOANS AND LEASES
Loans and leases, gross		602,871		602,871		478,998
Pass \| Real Estate \| Construction
LOANS AND LEASES
Loans and leases, gross		128,287		128,287		122,782
Pass \| Real Estate \| Residential Mortgage
LOANS AND LEASES
Loans and leases, gross		1,740,411		1,740,411		1,680,762
Pass \| Real Estate \| Home Equity
LOANS AND LEASES
Loans and leases, gross		616,665		616,665		548,985
Pass \| Real Estate \| Commercial Mortgage
LOANS AND LEASES
Loans and leases, gross		$ 1,163,187		$ 1,163,187		$ 1,051,122