XML 62 R56.htm IDEA: XBRL DOCUMENT v3.24.3

Loans and Leases and the Allowance for Credit Losses - Schedule of Aging Analysis of Loan Modifications Made to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	$ 34,995	$ 16,300
Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	32,543	14,292
30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	1,898	978
60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	300	133
Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	193	50
Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	61	847
Commercial
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	4,467	7,157
Commercial | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	4,467	7,067
Commercial | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	90
Commercial | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Commercial | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Commercial | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Commercial | Commercial and Industrial
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	4,467	6,211
Commercial | Commercial and Industrial | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	4,467	6,121
Commercial | Commercial and Industrial | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	90
Commercial | Commercial and Industrial | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Commercial | Commercial and Industrial | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Commercial | Commercial and Industrial | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Commercial | Commercial Mortgage
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty		946
Commercial | Commercial Mortgage | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty		946
Commercial | Commercial Mortgage | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty		0
Commercial | Commercial Mortgage | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty		0
Commercial | Commercial Mortgage | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty		0
Commercial | Commercial Mortgage | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty		0
Consumer
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	30,528	9,143
Consumer | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	28,076	7,225
Consumer | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	1,898	888
Consumer | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	300	133
Consumer | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	193	50
Consumer | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	61	847
Consumer | Other
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	1,593	732
Consumer | Other | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	1,326	584
Consumer | Other | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	115	95
Consumer | Other | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	75	31
Consumer | Other | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	77	22
Consumer | Other | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Consumer | Residential Mortgage
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	14,718	847
Consumer | Residential Mortgage | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	14,718	0
Consumer | Residential Mortgage | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Consumer | Residential Mortgage | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Consumer | Residential Mortgage | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Consumer | Residential Mortgage | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	847
Consumer | Home Equity
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	1,116	136
Consumer | Home Equity | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	1,055	136
Consumer | Home Equity | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Consumer | Home Equity | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Consumer | Home Equity | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	0	0
Consumer | Home Equity | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	61	0
Consumer | Automobile
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	13,101	7,428
Consumer | Automobile | Current
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	10,977	6,505
Consumer | Automobile | 30 - 59 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	1,783	793
Consumer | Automobile | 60 - 89 Days Past Due
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	225	102
Consumer | Automobile | Past Due 90 Days or More
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	116	28
Consumer | Automobile | Non-Accural
Financing Receivable, Modified [Line Items]
Loan modifications made to borrowers experiencing financial difficulty	$ 0	$ 0

X

- Definition

Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

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

X

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-34

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-33

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

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

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=boh_NonAccuralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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