XML 109 R87.htm IDEA: XBRL DOCUMENT
v3.19.3

Commitments and Contingent Liabilities - Commitments to Extend Credit, Participations Sold (Details) - USD ($) $ in Millions | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Commitments to extend credit |  |
Commitments |  |
Participations sold to other institutions | $ 100.6 | $ 92.3
Standby letters of credit |  |
Commitments |  |
Participations sold to other institutions | $ 9.2 | $ 17.3

X
- Definition Unused amount of credit commitments to customers sold as a participation to one or more lenders. + References No definition available. + Details
Name: | fhb_UnusedCreditCommitmentsParticipationsSold
Namespace Prefix: | fhb_
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_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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