XML 72 R66.htm IDEA: XBRL DOCUMENT
v3.24.3

Securities Sold Under Agreements to Repurchase - Remaining Contractual Maturities of Repurchase Agreements by Class of Collateral Pledged (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | $ 100,490 | $ 150,490
Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 490 | 490
Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 100,000 | 150,000
Maturity Up To 90 Days |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity Up To 90 Days | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity Up To 90 Days | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 91 To 365 Days |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 490 | 490
Maturity 91 To 365 Days | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 490 | 490
Maturity 91 To 365 Days | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 1 To 3 Years |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 1 To 3 Years | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 1 To 3 Years | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity After 3 Years |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 100,000 | 150,000
Maturity After 3 Years | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity After 3 Years | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | $ 100,000 | $ 150,000

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://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(ii)(A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-7 + Details
Name: | us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=boh_ResidentialMortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis=boh_MaturityUpTo90DaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis=boh_MaturityFrom91DaysTo365DaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis=boh_Maturity1To3YearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis=boh_MaturityAfter3YearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |