XML 77 R61.htm IDEA: XBRL DOCUMENT
v3.20.2

Bank segment - Collateral-dependent loans (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | $ 5,450,802 | $ 5,120,664
Real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 4,160,943 | 4,192,069
Real estate | Residential 1-4 family |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 2,123,226 | 2,178,135
Real estate | Home equity line of credit |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 1,065,264 | 1,092,125
Real estate | Commercial construction |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 92,904 | 70,605
Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 1,073,829 | $ 670,674
Residential real estate property | Real estate | Residential 1-4 family |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 1,795 |
Residential real estate property | Real estate | Home equity line of credit |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 1,387 |
Commercial real estate | Real estate | Commercial construction |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 2,289 |
Business assets | Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 90 |
Collateral Pledged |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | 5,561 |
Collateral Pledged | Real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Collateral-dependent loans, amortized cost | $ 5,471 |

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_FinancingReceivableNonaccrualStatusLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=he_RealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=he_Residential14FamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=he_CommercialConstructionLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=he_BusinessAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CollateralPledgedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |