XML 134 R121.htm IDEA: XBRL DOCUMENT
v3.22.4

Derivative Financial Instruments - Additional Information (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Derivative [Line Items] |  |  |
Liability derivatives | $ 168,037,000 | $ 18,816,000 |
Interest Rate Swap Agreements |  |  |
Derivative [Line Items] |  |  |
Fair values of counterparty interest rate swaps | 0 |  |
Net asset and liability position, aggregate fair value | 38,800,000 | 5,900,000 |
Liability derivatives | 167,960,000 | $ 17,913,000 |
Visa Class B Restricted Securities |  |  |
Derivative [Line Items] |  |  |
Liability derivatives | $ 0 |  | $ 0

X
- Definition Derivative net asset (liability) position, aggregate fair value. + References No definition available. + Details
Name: | boh_DerivativeNetAssetLiabilityPositionAggregateFairValue
Namespace Prefix: | boh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. + References No definition available. + Details
Name: | us-gaap_InterestRateDerivativesAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=boh_VisaClassBRestrictedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |