XML 76 R62.htm IDEA: XBRL DOCUMENT v3.19.1

Bank segment - Loan modifications (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019 USD ($) contract	Mar. 31, 2018 USD ($) contract	Dec. 31, 2018 USD ($)
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	1	2
Recorded investment	$ 19	$ 135
Post-modification outstanding recorded investment	$ 25,356		$ 25,917
Residential 1-4 family
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	1
Recorded investment	$ 0	$ 49
Post-modification outstanding recorded investment	$ 10,145		10,194
Commercial real estate
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Recorded investment	$ 0	$ 0
Post-modification outstanding recorded investment	$ 902		915
Home equity line of credit
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	1
Recorded investment	$ 0	$ 86
Post-modification outstanding recorded investment	$ 11,013		11,597
Residential land
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Recorded investment	$ 0	$ 0
Post-modification outstanding recorded investment	$ 1,613		1,622
Commercial construction
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Recorded investment	$ 0	$ 0
Post-modification outstanding recorded investment	$ 0		0
Residential construction
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Recorded investment	$ 0	$ 0
Post-modification outstanding recorded investment	$ 0		0
Commercial loans
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	1	0
Recorded investment	$ 19	$ 0
Post-modification outstanding recorded investment	$ 1,622		1,527
Consumer loans
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Recorded investment	$ 0	$ 0
Post-modification outstanding recorded investment	$ 61		$ 62
Troubled debt restructurings real estate loans
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	12	24
Pre-modification outstanding recorded investment	$ 1,842	$ 4,713
Net increase in allowance	$ 45	$ 524
Troubled debt restructurings real estate loans | Residential 1-4 family
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	8	1
Pre-modification outstanding recorded investment	$ 1,048	$ 345
Net increase in allowance	$ 5	$ 107
Troubled debt restructurings real estate loans | Commercial real estate
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0
Net increase in allowance	$ 0	$ 0
Troubled debt restructurings real estate loans | Home equity line of credit
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	2	18
Pre-modification outstanding recorded investment	$ 264	$ 2,155
Net increase in allowance	$ 23	$ 417
Troubled debt restructurings real estate loans | Residential land
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	1	0
Pre-modification outstanding recorded investment	$ 335	$ 0
Net increase in allowance	$ 0	$ 0
Troubled debt restructurings real estate loans | Commercial construction
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0
Net increase in allowance	$ 0	$ 0
Troubled debt restructurings real estate loans | Residential construction
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0
Net increase in allowance	$ 0	$ 0
Troubled debt restructurings real estate loans | Commercial loans
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	1	5
Pre-modification outstanding recorded investment	$ 195	$ 2,213
Net increase in allowance	$ 17	$ 0
Troubled debt restructurings real estate loans | Consumer loans
Financing Receivable, Modifications [Line Items]
Number of contracts | contract	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0
Net increase in allowance	$ 0	$ 0

X

- Definition

Financing Receivable, Troubled Debt Restructuring, Contract That Subsequently Defaulted, Value

+ References

No definition available.

+ Details

Name:	he_FinancingReceivableTroubledDebtRestructuringContractThatSubsequentlyDefaultedValue
Namespace Prefix:	he_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Financing Receivable, Troubled Debt Restructuring, Contracts That Subsequently Defaulted, Number

+ References

No definition available.

+ Details

Name:	he_FinancingReceivableTroubledDebtRestructuringContractsThatSubsequentlyDefaultedNumber
Namespace Prefix:	he_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of increase (decrease) of allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

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

X

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=he_Residential1To4FamilyPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=he_ResidentialLandPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=he_ResidentialConstructionPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	he_FinancingReceivableTroubledDebtRestructuringsAndTroubledDebtRestructuringsThatSubsequentlyDefaultedAxis=he_FinancingReceivableTroubledDebtRestructuringsRealEstateLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: