XML 130 R117.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Benefit Plans - Fair Value Measurement of Plan Assets (Details) - Pension Plan - USD ($) | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Benefit Plans |  |  |
Fair value of plan assets | $ 106,648,000 | $ 114,795,000 | $ 112,659,000
Percentage of total | 100.00% | 100.00% |
Minimum |  |  |
Benefit Plans |  |  |
Percentage of assets in high-grade corporate bonds and U.S. government debt obligations | 80.00% |  |
Cash and cash equivalents |  |  |
Benefit Plans |  |  |
Fair value of plan assets | $ 4,451,000 | $ 2,576,000 |
Fixed income securities |  |  |
Benefit Plans |  |  |
Percentage of total | 84.60% | 85.10% |
U.S. Treasury securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | $ 8,343,000 | $ 6,776,000 |
Government agency debt securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 9,674,000 | 12,441,000 |
Fixed income - U.S. corporate securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 69,926,000 | 70,401,000 |
Fixed income - municipal securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 495,000 | 521,000 |
Fixed income - mutual funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets |  | 5,626,000 |
Fixed income - international securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 1,779,000 | 1,980,000 |
Equity - large-cap exchange-traded fund |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 7,840,000 | 9,321,000 |
Equity - mid-cap exchange-traded funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 1,360,000 | 1,566,000 |
Equity - small-cap exchange-traded funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 654,000 | 785,000 |
Equity - international funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 2,126,000 | 2,802,000 |
Level 1 |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 18,210,000 | 24,656,000 |
Level 1 | Cash and cash equivalents |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 4,451,000 | 2,576,000 |
Level 1 | Fixed income - mutual funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets |  | 5,626,000 |
Level 1 | Fixed income - international securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 1,779,000 | 1,980,000 |
Level 1 | Equity - large-cap exchange-traded fund |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 7,840,000 | 9,321,000 |
Level 1 | Equity - mid-cap exchange-traded funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 1,360,000 | 1,566,000 |
Level 1 | Equity - small-cap exchange-traded funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 654,000 | 785,000 |
Level 1 | Equity - international funds |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 2,126,000 | 2,802,000 |
Level 2 |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 88,438,000 | 90,139,000 |
Level 2 | U.S. Treasury securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 8,343,000 | 6,776,000 |
Level 2 | Government agency debt securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 9,674,000 | 12,441,000 |
Level 2 | Fixed income - U.S. corporate securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 69,926,000 | 70,401,000 |
Level 2 | Fixed income - municipal securities |  |  |
Benefit Plans |  |  |
Fair value of plan assets | 495,000 | 521,000 |
Level 3 |  |  |
Benefit Plans |  |  |
Fair value of plan assets | $ 0 | $ 0 |

X
- Definition Percentage of high-grade corporate bonds and United States government debt obligations held by the fixed income mutual fund to the total assets of the fixed income mutual fund. + References No definition available. + Details
Name: | fhb_FixedIncomeMutualFundHighGradeCorporateBondsAndUnitedStatesGovernmentDebtObligationsPercentage
Namespace Prefix: | fhb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DomesticCorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_MunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=fhb_FixedIncomeFundsMutualFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_SovereignDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=fhb_EquityFundsLargeMarketCapitalizationExchangeTradedFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=fhb_EquityFundsMidSizeMarketCapitalizationExchangeTradedFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=fhb_EquityFundsSmallMarketCapitalizationExchangeTradedFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=fhb_EquityFundsInternationalFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |