Debt Instrument, Collateral, Size Of Facility

No definition available.

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- Definition

Debt Instrument, Covenant, Service Coverage Ratio, Minimum

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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- 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

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- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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- Details

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Long-term debt - Narrative (Details)				12 Months Ended
Long-term debt - Narrative (Details)	Nov. 17, 2020 USD ($)	Sep. 28, 2020 USD ($) MW	Sep. 11, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Repayments of long-term debt				$ 178,969,000	$ 287,285,000	$ 53,887,000
Hawaiian Electric Company, Inc. and Subsidiaries
Debt Instrument [Line Items]
Repayments of long-term debt				109,000,000	$ 283,546,000	$ 50,000,000
Senior notes \| HEI Series 2020A
Debt Instrument [Line Items]
Debt instrument, face amount			$ 50,000,000	$ 50,000,000
Fixed coupon interest rate				0.0298%
Senior notes \| HEI Series 2020B And 2020C
Debt Instrument [Line Items]
Debt instrument, face amount	$ 75,000,000
Term Loan \| Non-recourse Term Loan Agreement \| KWCL
Debt Instrument [Line Items]
Debt instrument, face amount		$ 13,000,000
Solar facility (in MW) \| MW		6
Fixed coupon interest rate		2.79%
Minimum debt service coverage ratio		1.10
Periodic principal and interest payments		$ 400,000
Term Loan \| Non-recourse Term Loan Agreement \| LIBOR \| KWCL
Debt Instrument [Line Items]
Line of credit facility basis point spread		2.00%
Term Loan \| HEI 2.99% term loan, due 2022
Debt Instrument [Line Items]
Repayments of long-term debt	$ 15,000,000		$ 50,000,000