XML 66 R56.htm IDEA: XBRL DOCUMENT
v3.25.3

Affordable Housing Projects Tax Credit Partnerships - Expected Payments for Unfunded Affordable Housing Commitments (Details) $ in Thousands | Sep. 30, 2025 USD ($)
--- | ---
Affordable Housing Tax Credit Investments, Unfunded Commitment [Abstract] |
2025 | $ 22,573
2026 | 53,843
2027 | 11,462
2028 | 268
2029 | 234
Thereafter | 16,241
Total Unfunded Commitments | $ 104,621

X
- Definition Affordable Housing Tax Credit Investments, Unfunded Commitment [Abstract] + References No definition available. + Details
Name: | boh_AffordableHousingTaxCreditInvestmentsUnfundedCommitmentAbstract
Namespace Prefix: | boh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Qualified Affordable Housing Project Investments, Commitment Payments, After Year Four + References No definition available. + Details
Name: | boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsAfterYearFour
Namespace Prefix: | boh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Qualified Affordable Housing Project Investments, Commitment Payments, Remainder of Fiscal Year + References No definition available. + Details
Name: | boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsRemainderOfFiscalYear
Namespace Prefix: | boh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Qualified Affordable Housing Project Investments, Commitment Payments, Year Four + References No definition available. + Details
Name: | boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFour
Namespace Prefix: | boh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Qualified Affordable Housing Project Investments Commitment Payments Year One + References No definition available. + Details
Name: | boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearOne
Namespace Prefix: | boh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Qualified Affordable Housing Project Investments, Commitment Payments, Year Three + References No definition available. + Details
Name: | boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearThree
Namespace Prefix: | boh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Qualified Affordable Housing Project Investments, Commitment Payments, Year Two + References No definition available. + Details
Name: | boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearTwo
Namespace Prefix: | boh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of commitment and contingent commitment, including amount of delayed equity contribution, for investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, commitment and contingent commitment related to investment under tax credit program not meeting condition for accounting under proportional amortization method. + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-2 + Details
Name: | us-gaap_QualifiedAffordableHousingProjectInvestmentsCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant