XML 94 R74.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Allowance for Credit Losses - Updated Methodology for Estimate of Total ACL (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2024
Allowance for Credit Losses |  |
Net decrease in ACL due to updates in models | $ 3.2 |
Updated certain components resulting in increase to the Total ACL | 5.8 |
Total decrease to ACL from change in method | $ (9.0) | $ (0.6)

X
- Definition Amount of credit loss expense (reversal of expense) on financing receivable and net investment in lease from change in certain components. + References No definition available. + Details
Name: | fhb_FinancingReceivableAndNetInvestmentInLeaseChangeInCertainComponentsCreditLossExpenseReversal
Namespace Prefix: | fhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of credit loss expense (reversal of expense) on financing receivable and net investment in lease from change in methodology. + References No definition available. + Details
Name: | fhb_FinancingReceivableAndNetInvestmentInLeaseChangeInMethodCreditLossExpenseReversal
Namespace Prefix: | fhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable and net investment in lease. + References No definition available. + Details
Name: | fhb_FinancingReceivableAndNetInvestmentInLeaseCreditLossExpenseReversal
Namespace Prefix: | fhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | fhb_LoansAndLeasesReceivableAllowanceDisclosureAbstract
Namespace Prefix: | fhb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration