Debt Instrument, Covenant, Equity Capitalization Ratio

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- Definition

Number Of Draw Down Tranches

+ References

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- Definition

Number Of Solar-Battery Projects

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No definition available.

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- Definition

Number Of Solar-Battery Projects Collateralized

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- Definition

Proceeds From Debt On Delayed Basis

+ References

No definition available.

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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.

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- Definition

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

+ References

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+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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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.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Long-term debt - Narrative (Details)			1 Months Ended	12 Months Ended
Long-term debt - Narrative (Details)	Dec. 29, 2021 USD ($)	Sep. 03, 2021 USD ($) project	Nov. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 29, 2021 USD ($) tranche
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt					$ 285,886,000	$ 415,997,000	$ 289,349,000
Hawaiian Electric Company, Inc. and Subsidiaries
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt					$ 115,000,000	$ 255,000,000	$ 280,000,000
Equity capitalization ratio								58.00%
Hawaiian Electric Company, Inc. and Subsidiaries \| Forecast
Debt Instrument [Line Items]
Refinancing portion of debt			$ 150,000,000
Senior notes \| HEI Series 2020A
Debt Instrument [Line Items]
Debt instrument, face amount								$ 125,000,000
Number of tranches \| tranche								2
Proceeds from issuance of long-term debt	$ 75,000,000
Proceeds from debt on delayed basis	$ 50,000,000
Senior notes \| HEI Series 2020A \| Forecast
Debt Instrument [Line Items]
Refinancing portion of debt				$ 50,000,000
Term loan \| Mauo Credit Agreement
Debt Instrument [Line Items]
Debt instrument, face amount		$ 24,000,000
Aggregate amount of debt		$ 13,000,000
Number of solar-battery projects \| project		5
Number of solar-battery projects collateralized \| project		3
Fixed coupon interest rate		4.90%
Term loan \| Mauo Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Line of credit facility basis point spread		1.70%