$HE
HAWAIIAN ELECTRIC INDUSTRIES INC Stock $he

$he Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000035470724000012 Filed on February 29, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$897.2M	$961.4M	$3.682B
YoY Change	-3.35%	-5.67%	-1.6%
Cost Of Revenue	$820.7M	$865.4M	$3.330B
YoY Change	-1.67%	-6.56%	-0.93%
Gross Profit	$76.42M	$95.98M	$352.6M
YoY Change	-18.28%	3.18%	-7.47%
Gross Profit Margin	8.52%	9.98%	9.58%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$68.76M	$66.99M	$310.8M
YoY Change	3.38%	1.51%	5.41%
% of Gross Profit	89.97%	69.8%	88.14%
Operating Expenses	$0.00	$0.00	$0.00
YoY Change
Operating Profit	$76.42M	$95.98M	$352.6M
YoY Change	-18.28%	3.18%	-7.47%
Interest Expense	-$23.43M	-$40.26M	-$111.7M
YoY Change	-3.83%	72.77%	-195.69%
% of Operating Profit	-30.66%	-41.95%	-31.67%
Other Income/Expense, Net	$1.282M	$1.207M	$4.768M
YoY Change	11.28%	36.69%	8.09%
Pretax Income	$54.27M	$56.92M	$245.7M
YoY Change	-22.81%	-19.37%	-19.23%
Income Tax	$11.67M	$7.658M	$44.57M
% Of Pretax Income	21.51%	13.45%	18.14%
Net Earnings	$42.60M	$48.79M	$199.2M
YoY Change	-22.83%	-14.92%	-18.02%
Net Earnings / Revenue	4.75%	5.08%	5.41%
Basic Earnings Per Share	$0.38		$1.82
Diluted Earnings Per Share	$0.38	$0.44	$1.81
COMMON SHARES
Basic Shares Outstanding	110.2M shares	110.1M shares	109.7M shares
Diluted Shares Outstanding	110.5M shares		110.0M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$485.2M	$679.5M	$679.5M
YoY Change	53.87%	239.98%	239.98%
Cash & Equivalents	$485.2M	$679.5M	$679.5M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$469.3M	$575.2M	$575.2M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$954.5M	$1.255B	$1.255B
YoY Change	27.18%	76.28%	76.28%
LONG-TERM ASSETS
Property, Plant & Equipment	$6.184B	$6.150B	$6.245B
YoY Change	7.01%	8.14%	7.62%
Goodwill	$82.19M	$82.19M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$2.315B	$2.352B	$2.352B
YoY Change	-13.21%	-13.13%	-13.13%
Other Assets	$17.53M	$15.03M	$15.03M
YoY Change	315.82%	197.58%	197.58%
Total Long-Term Assets	$15.97B	$15.99B	$15.99B
YoY Change	1.76%	2.68%	2.68%
TOTAL ASSETS
Total Short-Term Assets	$954.5M	$1.255B	$1.255B
Total Long-Term Assets	$15.97B	$15.99B	$15.99B
Total Assets	$16.92B	$17.24B	$17.24B
YoY Change	2.92%	5.89%	5.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$248.8M	$247.5M	$247.5M
YoY Change	4.62%	-1.59%	-1.59%
Accrued Expenses	$161.1M	$155.1M	$155.1M
YoY Change	-1.01%	4.85%	4.85%
Deferred Revenue
YoY Change
Short-Term Debt	$593.0M	$750.0M	$750.0M
YoY Change	298.52%	334.61%	334.61%
Long-Term Debt Due			$18.00M
YoY Change			-97.92%
Total Short-Term Liabilities	$1.003B	$1.153B	$1.171B
YoY Change	82.56%	101.51%	-18.65%
LONG-TERM LIABILITIES
Long-Term Debt	$3.188B	$3.181B	$3.163B
YoY Change	-1.89%	1.68%	39.86%
Other Long-Term Liabilities	$10.02B	$10.23B	$10.23B
YoY Change	-0.77%	1.47%	1.47%
Total Long-Term Liabilities	$13.21B	$13.41B	$13.40B
YoY Change	-1.04%	1.52%	8.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.003B	$1.153B	$1.171B
Total Long-Term Liabilities	$13.21B	$13.41B	$13.40B
Total Liabilities	$14.51B	$14.86B	$14.86B
YoY Change	2.4%	5.82%	5.82%
SHAREHOLDERS EQUITY
Retained Earnings	$968.8M	$926.7M
YoY Change	12.51%	9.56%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.377B	$2.345B	$2.379B
YoY Change
Total Liabilities & Shareholders Equity	$16.92B	$17.24B	$17.24B
YoY Change	2.92%	5.89%	5.89%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$42.60M	$48.79M	$199.2M
YoY Change	-22.83%	-14.92%	-18.02%
Depreciation, Depletion And Amortization	$68.76M	$66.99M	$310.8M
YoY Change	3.38%	1.51%	5.41%
Cash From Operating Activities	$124.6M	$76.37M	$551.5M
YoY Change	-31.13%	-68.37%	21.34%
INVESTING ACTIVITIES
Capital Expenditures	$99.55M	$105.9M	$448.3M
YoY Change	-19.91%	-1.73%	30.3%
Acquisitions			$0.00
YoY Change			-100.0%
Other Investing Activities	$1.568M	$218.2M	-$10.32M
YoY Change	-173.0%	-196.48%	-20.9%
Cash From Investing Activities	-$5.592M	$112.2M	-$257.4M
YoY Change	-95.93%	-133.6%	-77.19%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$8.268M		$167.1M
YoY Change	-84.65%		-24.71%
Cash From Financing Activities	-$310.9M	-176.3M	$195.6M
YoY Change	-537.0%	-249.2%	-65.55%
NET CHANGE
Cash From Operating Activities	$124.6M	76.37M	$551.5M
Cash From Investing Activities	-$5.592M	112.2M	-$257.4M
Cash From Financing Activities	-$310.9M	-176.3M	$195.6M
Net Change In Cash	-$191.9M	12.25M	$489.6M
YoY Change	-267.38%	-52.44%	-559.61%
FREE CASH FLOW
Cash From Operating Activities	$124.6M	$76.37M	$551.5M
Capital Expenditures	$99.55M	$105.9M	$448.3M
Free Cash Flow	$25.07M	-$29.53M	$103.2M
YoY Change	-55.75%	-122.08%	-6.58%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	he	Interest Expense On Other Than Deposits And Bank Borrowings InterestExpenseOnOtherThanDepositsAndBankBorrowings	125532000	usd
CY2023	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	5201000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	245701000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	304195000	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1890000	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1890000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	246166000	usd
CY2022Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	172568000	usd
CY2022Q4	he	Other Bank Borrowings OtherBankBorrowings	695120000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	2384980000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	262462000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	126604000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	48709000	usd
CY2022Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	1055650000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	71813000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	2202499000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	199238000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	46678000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	10366000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	9135000	usd
CY2023	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	15164000	usd
CY2022	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	10574000	usd
CY2023	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-4342000	usd
CY2022	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	3416000	usd
CY2022	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	10574000	usd
CY2021	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	9534000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44573000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61167000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	62807000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	201128000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	243028000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	248056000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000354707
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#Revenues
CY2022	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#Revenues
CY2023	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#Revenues
CY2023	us-gaap	Multiemployer Plan Pension Insignificant Employees Covered By Collective Bargaining Arrangement To All Participants Percentage MultiemployerPlanPensionInsignificantEmployeesCoveredByCollectiveBargainingArrangementToAllParticipantsPercentage	0.50
CY2023Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2022Q4	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherAssets
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity Registrant Name EntityRegistrantName	Hawaiian Electric Industries, Inc.
CY2023	dei	Entity File Number EntityFileNumber	1-8503
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	99-0208097
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	3967939884	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	110151798	shares
CY2023	dei	Auditor Firm AuditorFirmId	34
CY2023	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2023	dei	Auditor Location AuditorLocation	Honolulu, Hawaii
CY2023	us-gaap	Revenues Revenues	3682166000	usd
CY2022	us-gaap	Revenues Revenues	3741985000	usd
CY2021	us-gaap	Revenues Revenues	2850379000	usd
CY2023	us-gaap	Costs And Expenses CostsAndExpenses	3329562000	usd
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	3360912000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	2464313000	usd
CY2023	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	15164000	usd
CY2023	us-gaap	Investment Income Interest InvestmentIncomeInterest	9105000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	0	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	0	usd
CY2023	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	-15609000	usd
CY2022	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	8123000	usd
CY2021	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	528000	usd
CY2023	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1890000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	199238000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	241138000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.20
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.25
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.81
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.20
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.25
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109739000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109434000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109282000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	299000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	344000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	298000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110038000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	109778000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	109580000	shares
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	199238000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	241138000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	246166000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	7536000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-110140000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-18903000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	20589000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-300860000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-51636000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-4011000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	142000	usd
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CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	387000	usd
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CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-58000	usd
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CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-108000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-167000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	5457000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-312000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	65000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-60000	usd
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CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	3778000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	65174000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	53068000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	10854000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	188020000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	153121000	usd
CY2023	he	Other Comprehensive Income Loss Defined Benefit Plan Prior Service Cost Credit Recognized In Net Periodic Benefit Cost Reclassification Adjustment From Aoci Tax OtherComprehensiveIncomeLossDefinedBenefitPlanPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostReclassificationAdjustmentFromAOCITax	-535000	usd
CY2022	he	Other Comprehensive Income Loss Defined Benefit Plan Prior Service Cost Credit Recognized In Net Periodic Benefit Cost Reclassification Adjustment From Aoci Tax OtherComprehensiveIncomeLossDefinedBenefitPlanPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostReclassificationAdjustmentFromAOCITax	6820000	usd
CY2021	he	Other Comprehensive Income Loss Defined Benefit Plan Prior Service Cost Credit Recognized In Net Periodic Benefit Cost Reclassification Adjustment From Aoci Tax OtherComprehensiveIncomeLossDefinedBenefitPlanPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostReclassificationAdjustmentFromAOCITax	6665000	usd
CY2023	he	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Prior Service Gain Loss And Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossPriorServiceGainLossAndNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax	-1560000	usd
CY2022	he	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Prior Service Gain Loss And Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossPriorServiceGainLossAndNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax	19659000	usd
CY2021	he	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Prior Service Gain Loss And Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossPriorServiceGainLossAndNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax	19253000	usd
CY2023	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsTax	2846000	usd
CY2022	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsTax	69345000	usd
CY2021	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsTax	59429000	usd
CY2023	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax	8204000	usd
CY2022	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax	199936000	usd
CY2021	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax	171345000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	46678000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-283495000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-51269000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	245916000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-42357000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	194897000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	679546000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	199877000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	15028000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	5050000	usd
CY2023Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	575176000	usd
CY2022Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	511903000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1136439000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1429667000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1201314000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1251747000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	14728000	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	26560000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	6106438000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	5906690000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	15168000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	824000	usd
CY2023Q4	us-gaap	Land Land	106999000	usd
CY2022Q4	us-gaap	Land Land	109381000	usd
CY2023Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	8695942000	usd
CY2022Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	8427749000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	342834000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	49370000	usd
CY2023Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	322110000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	293048000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	9467885000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	8879548000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3317759000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6150126000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	94905000	usd
CY2023Q4	us-gaap	Regulatory Assets RegulatoryAssets	294804000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	877959000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	82190000	usd
CY2023Q4	us-gaap	Assets Assets	17243821000	usd
CY2023Q4	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	247462000	usd
CY2023Q4	he	Interest And Dividends Payable Including Dividends On Preferred Stock Of Subsidiaries InterestAndDividendsPayableIncludingDividendsOnPreferredStockOfSubsidiaries	51206000	usd
CY2023Q4	us-gaap	Deposits Deposits	8145778000	usd
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CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	853349000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	14864687000	usd
CY2023Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	34293000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	110151798	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	110151798	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	109470795	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	109470795	shares
CY2023Q4	us-gaap	Common Stocks Including Additional Paid In Capital Net Of Discount CommonStocksIncludingAdditionalPaidInCapitalNetOfDiscount	1707471000	usd
CY2022Q4	us-gaap	Common Stocks Including Additional Paid In Capital Net Of Discount CommonStocksIncludingAdditionalPaidInCapitalNetOfDiscount	1692697000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	926720000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	845830000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-282963000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-328904000	usd
CY2023Q4	us-gaap	Aoci Derivative Qualifying As Hedge Excluded Component After Tax AociDerivativeQualifyingAsHedgeExcludedComponentAfterTax	1638000	usd
CY2022Q4	us-gaap	Aoci Derivative Qualifying As Hedge Excluded Component After Tax AociDerivativeQualifyingAsHedgeExcludedComponentAfterTax	1991000	usd
CY2023Q4	he	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax Adjusted For Regulatory Impacts AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTaxAdjustedForRegulatoryImpacts	8025000	usd
CY2022Q4	he	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax Adjusted For Regulatory Impacts AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTaxAdjustedForRegulatoryImpacts	9115000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-336028000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	2202499000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	16284244000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2337502000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	246166000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-51269000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	5027000	usd
CY2021	he	Stock Issued During Period Value Expenses And Other Net StockIssuedDuringPeriodValueExpensesAndOtherNet	2101000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.36
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	148643000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2390884000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	241138000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-283495000	usd
CY2022	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	5831000	usd
CY2022	he	Stock Issued During Period Value Expenses And Other Net StockIssuedDuringPeriodValueExpensesAndOtherNet	1370000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.40
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	153229000	usd
CY2023	he	Stock Issued During Period Value Dividend Reinvestment Plan And Employee Stock Purchase Plans StockIssuedDuringPeriodValueDividendReinvestmentPlanAndEmployeeStockPurchasePlans	6612000	usd
CY2023	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	6371000	usd
CY2023	he	Stock Issued During Period Value Expenses And Other Net StockIssuedDuringPeriodValueExpensesAndOtherNet	1791000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.08
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	118348000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2344841000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	201128000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	243028000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	248056000	usd
CY2023	us-gaap	Depreciation Depreciation	267691000	usd
CY2022	us-gaap	Depreciation Depreciation	256069000	usd
CY2023	us-gaap	Adjustment For Amortization AdjustmentForAmortization	43106000	usd
CY2021	he	Off Balance Sheet And Financing Receivable Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetAndFinancingReceivableCreditLossLiabilityCreditLossExpenseReversal	-25825000	usd
CY2022	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	128195000	usd
CY2021	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	340986000	usd
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	49162000	usd
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	136504000	usd
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	364848000	usd
CY2023	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-15609000	usd
CY2022	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	8123000	usd
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	528000	usd
CY2023	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	910000	usd
CY2022	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1692000	usd
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	9305000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5268000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-32502000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5398000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	10532000	usd
CY2021	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	9534000	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-7580000	usd
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-7060000	usd
CY2023	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	75038000	usd
CY2022	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	151551000	usd
CY2021	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	73811000	usd
CY2023	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	-43388000	usd
CY2022	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	87569000	usd
CY2021	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	45819000	usd
CY2023	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	34887000	usd
CY2022	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	7960000	usd
CY2021	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	4602000	usd
CY2023	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	10613000	usd
CY2022	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	-34600000	usd
CY2021	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	13874000	usd
CY2023	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	54470000	usd
CY2022	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	44888000	usd
CY2021	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	15358000	usd
CY2023	he	Increase Decrease In Accounts Payable And Interest And Dividends Payable IncreaseDecreaseInAccountsPayableAndInterestAndDividendsPayable	60013000	usd
CY2022	he	Increase Decrease In Accounts Payable And Interest And Dividends Payable IncreaseDecreaseInAccountsPayableAndInterestAndDividendsPayable	28169000	usd
CY2021	he	Increase Decrease In Accounts Payable And Interest And Dividends Payable IncreaseDecreaseInAccountsPayableAndInterestAndDividendsPayable	9925000	usd
CY2023	he	Increase Decrease In Prepaid And Accrued Income Taxes Tax Credits And Utility Revenue Taxes IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesTaxCreditsAndUtilityRevenueTaxes	-13247000	usd
CY2022	he	Increase Decrease In Prepaid And Accrued Income Taxes Tax Credits And Utility Revenue Taxes IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesTaxCreditsAndUtilityRevenueTaxes	121636000	usd
CY2021	he	Increase Decrease In Prepaid And Accrued Income Taxes Tax Credits And Utility Revenue Taxes IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesTaxCreditsAndUtilityRevenueTaxes	41331000	usd
CY2023	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-8872000	usd
CY2022	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-5191000	usd
CY2021	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-6660000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-5692000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	20656000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	48280000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	551471000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	454476000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	375673000	usd
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	366177000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1464644000	usd
CY2023	he	Proceeds From Principal Repayments On Investment And Mortgage Related Securities ProceedsFromPrincipalRepaymentsOnInvestmentAndMortgageRelatedSecurities	148693000	usd
CY2022	he	Proceeds From Principal Repayments On Investment And Mortgage Related Securities ProceedsFromPrincipalRepaymentsOnInvestmentAndMortgageRelatedSecurities	342354000	usd
CY2021	he	Proceeds From Principal Repayments On Investment And Mortgage Related Securities ProceedsFromPrincipalRepaymentsOnInvestmentAndMortgageRelatedSecurities	583238000	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	170481000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	197354000	usd
CY2023	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2022	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2021	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	349579000	usd
CY2023	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	67360000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	29432000	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	53654000	usd
CY2023	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	91200000	usd
CY2022	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	173768000	usd
CY2021	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	33022000	usd
CY2023	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	103032000	usd
CY2022	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	157208000	usd
CY2021	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	31702000	usd
CY2023	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	285493000	usd
CY2022	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	661492000	usd
CY2021	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-72489000	usd
CY2023	he	Proceeds From Sale Of Commercial Loans ProceedsFromSaleOfCommercialLoans	94665000	usd
CY2022	he	Proceeds From Sale Of Commercial Loans ProceedsFromSaleOfCommercialLoans	0	usd
CY2023	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	0	usd
CY2022	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	0	usd
CY2021	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	59844000	usd
CY2023	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	26195000	usd
CY2022	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	102504000	usd
CY2021	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	0	usd
CY2023	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	595000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	3806000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	0	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	448296000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	344037000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	314524000	usd
CY2023	us-gaap	Payments For Affordable Housing Programs PaymentsForAffordableHousingPrograms	1360000	usd
CY2022	us-gaap	Payments For Affordable Housing Programs PaymentsForAffordableHousingPrograms	844000	usd
CY2021	us-gaap	Payments For Affordable Housing Programs PaymentsForAffordableHousingPrograms	16131000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	25706000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2023	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-10319000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-13046000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-27000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-257399000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1128682000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1179592000	usd
CY2023	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-122228000	usd
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-2516000	usd
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	785255000	usd
CY2023	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-137650000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	83652000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-10493000	usd
CY2023	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	65000000	usd
CY2022	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	35000000	usd
CY2021	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	usd
CY2023	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	100000000	usd
CY2022	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	usd
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	65000000	usd
CY2023	he	Proceeds From Payments For Other Bank Borrowings ProceedsFromPaymentsForOtherBankBorrowings	-596810000	usd
CY2022	he	Proceeds From Payments For Other Bank Borrowings ProceedsFromPaymentsForOtherBankBorrowings	606815000	usd
CY2021	he	Proceeds From Payments For Other Bank Borrowings ProceedsFromPaymentsForOtherBankBorrowings	-1365000	usd
CY2023	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	1000000000	usd
CY2022	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	0	usd
CY2021	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	0	usd
CY2023	he	Repayments Of Other Bank Borrowings RepaymentsOfOtherBankBorrowings	250000000	usd
CY2022	he	Repayments Of Other Bank Borrowings RepaymentsOfOtherBankBorrowings	0	usd
CY2021	he	Repayments Of Other Bank Borrowings RepaymentsOfOtherBankBorrowings	0	usd
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	625000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	227312000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	285886000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	167080000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	221910000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	82262000	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2371000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3165000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2006000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1223000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	112957000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	153229000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	148643000	usd
CY2023	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	1890000	usd
CY2022	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	1890000	usd
CY2021	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	1890000	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4662000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2398000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3080000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	195575000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	567671000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	756402000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	489647000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-106535000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-47517000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	204927000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	311462000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	358979000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	694574000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	204927000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	311462000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	15028000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	5050000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	5911000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	679546000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	199877000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	305551000	usd
CY2023Q4	he	Number Of Branches NumberOfBranches	35	branch
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:8pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Material estimates that are particularly susceptible to significant change for HEI and its subsidiaries (collectively, the Company) include the amounts reported as fair value for investment securities (ASB only); pension and other postretirement benefit obligations; contingencies and litigation; income taxes; regulatory assets and liabilities (Utilities only); asset retirement obligations (Utilities only); and allowance for credit losses (ASB only).</span></div>
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	15000000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	5100000	usd
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2020Q4	he	Public Utilities Pilot Process Proposal Period PublicUtilitiesPilotProcessProposalPeriod	P45D
CY2023	he	Public Utilities Modified Pilot Process Proposal Period PublicUtilitiesModifiedPilotProcessProposalPeriod	P15D
CY2023	he	Public Utilities Pilot Process Annual Cap PublicUtilitiesPilotProcessAnnualCap	10000000	usd
CY2023Q2	he	Public Utilities Low To Moderate Income Energy Efficiency Performance Incentive Mechanism Accrued Award PublicUtilitiesLowToModerateIncomeEnergyEfficiencyPerformanceIncentiveMechanismAccruedAward	0	usd
CY2023Q4	he	Number Of Customers With Power Not Yet Restored NumberOfCustomersWithPowerNotYetRestored	10	customer
CY2023Q3	he	Loss Contingency Property Insurance Policy Limit LossContingencyPropertyInsurancePolicyLimit	500000000	usd
CY2023Q3	he	Loss Contingency Property Insurance Policy Limit Retention For Generation Assets LossContingencyPropertyInsurancePolicyLimitRetentionForGenerationAssets	1000000	usd
CY2023	us-gaap	Revenues Revenues	3682166000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	310797000	usd
CY2023	us-gaap	Investment Income Interest InvestmentIncomeInterest	9105000	usd
CY2023	us-gaap	Interest Expense InterestExpense	208329000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	245701000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44573000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	201128000	usd
CY2023	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1890000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	199238000	usd
CY2023	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	448296000	usd
CY2023Q4	us-gaap	Assets Assets	17243821000	usd
CY2022	us-gaap	Revenues Revenues	3741985000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	294841000	usd
CY2022	us-gaap	Interest Expense InterestExpense	116703000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	304195000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61167000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	243028000	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1890000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	241138000	usd
CY2022	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	344037000	usd
CY2022Q4	us-gaap	Assets Assets	16284244000	usd
CY2021	us-gaap	Revenues Revenues	2850379000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	278702000	usd
CY2021	us-gaap	Interest Expense InterestExpense	99403000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	310863000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	62807000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	248056000	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1890000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	246166000	usd
CY2021	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	314524000	usd
CY2021Q4	us-gaap	Assets Assets	15822637000	usd
CY2023Q4	he	Public Utilities Advanced Metering Infrastructure Utilization Performance Incentive Mechanism Annual Maximum Reward PublicUtilitiesAdvancedMeteringInfrastructureUtilizationPerformanceIncentiveMechanismAnnualMaximumReward	2000000	usd
CY2023	he	Public Utilities Advanced Metering Infrastructure Utilization Performance Incentive Mechanism Term PublicUtilitiesAdvancedMeteringInfrastructureUtilizationPerformanceIncentiveMechanismTerm	P3Y
CY2023Q4	he	Variable Interest Entity Number Of Consolidated Vi Es VariableInterestEntityNumberOfConsolidatedVIEs	2	entity
CY2023Q4	he	Variable Interest Entity Number Of Consolidated Vi Es VariableInterestEntityNumberOfConsolidatedVIEs	2	entity
CY2023	he	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration Not Disclosed Flag EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag	reserve account balance
CY2023Q3	he	Environmental Remediation Expense Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag EnvironmentalRemediationExpenseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag	remediation costs
CY2020Q4	he	Public Utilities Pilot Process Proposal Period PublicUtilitiesPilotProcessProposalPeriod	P45D
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	52782000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	1141397000	usd
CY2023Q4	he	Public Utilities Annual Revenue Adjustment Revenues PublicUtilitiesAnnualRevenueAdjustmentRevenues	24700000	usd
CY2023Q4	he	Public Utilities Annual Revenue Adjustment Management Audit Savings Commitment PublicUtilitiesAnnualRevenueAdjustmentManagementAuditSavingsCommitment	6600000	usd
CY2023Q4	he	Public Utilities Annual Revenue Adjustment Net Incremental Revenues PublicUtilitiesAnnualRevenueAdjustmentNetIncrementalRevenues	18100000	usd
CY2023	he	Public Utility Revenue Adjustment Mechanism And Annual Incremental Rate Adjustment Mechanism Adjusted Revenue PublicUtilityRevenueAdjustmentMechanismAndAnnualIncrementalRateAdjustmentMechanismAdjustedRevenue	24700000	usd
CY2023	he	Public Utility Increase Decrease In Accrued Earnings Sharing Credits To Be Refunded PublicUtilityIncreaseDecreaseInAccruedEarningsSharingCreditsToBeRefunded	-3400000	usd
CY2023	he	Public Utilities Decoupling Filing Performance Incentive Mechanism Net PublicUtilitiesDecouplingFilingPerformanceIncentiveMechanismNet	100000	usd
CY2023	he	Public Utilities Incremental Major Project Interim Recovery And Exceptional Project Recovery Mechanism Adjustment PublicUtilitiesIncrementalMajorProjectInterimRecoveryAndExceptionalProjectRecoveryMechanismAdjustment	2000000.0	usd
CY2023	he	Public Utility Net Receivable Under Tariff PublicUtilityNetReceivableUnderTariff	30200000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1419000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1404000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	46257000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	43509000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	14358000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	14358000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	0	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	0	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	62034000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	59271000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	1279852000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1077168000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	1341886000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1136439000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Year One DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year One Through Five DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive	39832000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	35597000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10	20085000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	17185000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	59917000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1050886000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1201314000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1103668000	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	170481000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	197354000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	975000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	-14965000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	-447000	usd
CY2023	he	Debt Securities Available For Sale Realized Gain Loss Expense Benefit DebtSecuritiesAvailableForSaleRealizedGainLossExpenseBenefit	-4011000	usd
CY2022	he	Debt Securities Available For Sale Realized Gain Loss Expense Benefit DebtSecuritiesAvailableForSaleRealizedGainLossExpenseBenefit	0	usd
CY2021	he	Debt Securities Available For Sale Realized Gain Loss Expense Benefit DebtSecuritiesAvailableForSaleRealizedGainLossExpenseBenefit	142000	usd
CY2023	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	56450000	usd
CY2022	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	56731000	usd
CY2021	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	42534000	usd
CY2023	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1645000	usd
CY2022	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1313000	usd
CY2021	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	930000	usd
CY2023	us-gaap	Interest Income Operating InterestIncomeOperating	58095000	usd
CY2022	us-gaap	Interest Income Operating InterestIncomeOperating	58044000	usd
CY2021	us-gaap	Interest Income Operating InterestIncomeOperating	43464000	usd
CY2023Q4	he	Available For Sale Securities Pledged At Carrying Value As Collateral AvailableForSaleSecuritiesPledgedAtCarryingValueAsCollateral	1700000000	usd
CY2022Q4	he	Available For Sale Securities Pledged At Carrying Value As Collateral AvailableForSaleSecuritiesPledgedAtCarryingValueAsCollateral	900000000	usd
CY2023Q4	he	Available For Sale Securities Pledged At Carrying Value As Collateral For Securities Sold Under Repurchase Agreement AvailableForSaleSecuritiesPledgedAtCarryingValueAsCollateralForSecuritiesSoldUnderRepurchaseAgreement	0	usd
CY2022Q4	he	Available For Sale Securities Pledged At Carrying Value As Collateral For Securities Sold Under Repurchase Agreement AvailableForSaleSecuritiesPledgedAtCarryingValueAsCollateralForSecuritiesSoldUnderRepurchaseAgreement	327000000	usd
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6210578000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6005021000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-29768000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-26115000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	74372000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	72216000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	6106438000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	5906690000	usd
CY2023	he	Minimum Benchmark Percentage Of Loan To Appraisal Ratio Which Mortgage Insurance Is Required MinimumBenchmarkPercentageOfLoanToAppraisalRatioWhichMortgageInsuranceIsRequired	0.80
CY2023Q4	he	Real Estate Loans Serviced For Investors RealEstateLoansServicedForInvestors	1500000000	usd
CY2022Q4	he	Real Estate Loans Serviced For Investors RealEstateLoansServicedForInvestors	1500000000	usd
CY2021Q4	he	Real Estate Loans Serviced For Investors RealEstateLoansServicedForInvestors	1500000000	usd
CY2023Q4	he	Loan Balances Related To Interest Of Individual Directors Executive Officers And Related Interests LoanBalancesRelatedToInterestOfIndividualDirectorsExecutiveOfficersAndRelatedInterests	23500000	usd
CY2022Q4	he	Loan Balances Related To Interest Of Individual Directors Executive Officers And Related Interests LoanBalancesRelatedToInterestOfIndividualDirectorsExecutiveOfficersAndRelatedInterests	10700000	usd
CY2023Q4	he	Loan Balances Related To Interest Of Individual Directors LoanBalancesRelatedToInterestOfIndividualDirectors	21600000	usd
CY2022Q4	he	Loan Balances Related To Interest Of Individual Directors LoanBalancesRelatedToInterestOfIndividualDirectors	10000000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	72216000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	13319000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	5818000	usd
CY2023	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	7501000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	9657000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	74372000	usd
CY2023	he	Financing Receivable Average Outstanding FinancingReceivableAverageOutstanding	6113467000	usd
CY2023Q4	he	Financing Receivable Net Charge Offs Recoveries To Average Loans FinancingReceivableNetChargeOffsRecoveriesToAverageLoans	0.0012
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	71130000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	6830000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	5379000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	1451000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	2537000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	72216000	usd
CY2022	he	Financing Receivable Average Outstanding FinancingReceivableAverageOutstanding	5456952000	usd
CY2022Q4	he	Financing Receivable Net Charge Offs Recoveries To Average Loans FinancingReceivableNetChargeOffsRecoveriesToAverageLoans	0.0003
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	101201000	usd
CY2021	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	9700000	usd
CY2021	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	6054000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	3646000	usd
CY2021	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	-26425000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	71130000	usd
CY2021	he	Financing Receivable Average Outstanding FinancingReceivableAverageOutstanding	5220491000	usd
CY2021Q4	he	Financing Receivable Net Charge Offs Recoveries To Average Loans FinancingReceivableNetChargeOffsRecoveriesToAverageLoans	0.0007
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4400000	usd
CY2023	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	700000	usd
CY2023Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	5100000	usd
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4900000	usd
CY2022	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-500000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4400000	usd
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4300000	usd
CY2021	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	600000	usd
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4900000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	638750000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1212344000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1081072000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	747623000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	234179000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	1081789000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1145385000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	69436000	usd
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6210578000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1296473000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1220751000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	808953000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	296592000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	164815000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	1077705000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1077634000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	62098000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6005021000	usd
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6210578000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	425000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6005021000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2023Q4	he	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	24800000	usd
CY2023Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	3626000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	28426000	usd
CY2022Q4	he	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	12043000	usd
CY2022Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	4423000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	16466000	usd
CY2022	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	30130000	usd
CY2022	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	9	contract
CY2022	he	Financing Receivables Modifications Pre Modification Recorded Investment FinancingReceivablesModificationsPreModificationRecordedInvestment	4312000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	703000	usd
CY2021	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	24	contract
CY2021	he	Financing Receivables Modifications Pre Modification Recorded Investment FinancingReceivablesModificationsPreModificationRecordedInvestment	12109000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	685000	usd
CY2022	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	contract
CY2022	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	usd
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	2	contract
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	483000	usd
CY2022Q4	he	Commitments To Borrowers Whose Loan Terms Are Impaired Or Modified Under Troubled Debt Restructuring CommitmentsToBorrowersWhoseLoanTermsAreImpairedOrModifiedUnderTroubledDebtRestructuring	0	usd
CY2023Q4	he	Financial Receivables Loans Collateralized By Real Estate In Foreclosure FinancialReceivablesLoansCollateralizedByRealEstateInForeclosure	3400000	usd
CY2022Q4	he	Financial Receivables Loans Collateralized By Real Estate In Foreclosure FinancialReceivablesLoansCollateralizedByRealEstateInForeclosure	4200000	usd
CY2023Q4	us-gaap	Weighted Average Rate Domestic Deposit Savings WeightedAverageRateDomesticDepositSavings	0.0015
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	2765175000	usd
CY2022Q4	us-gaap	Weighted Average Rate Domestic Deposit Savings WeightedAverageRateDomesticDepositSavings	0.0003
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	3198329000	usd
CY2023Q4	us-gaap	Weighted Average Rate Domestic Deposit Checking WeightedAverageRateDomesticDepositChecking	0.0085
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1427225000	usd
CY2022Q4	us-gaap	Weighted Average Rate Domestic Deposit Checking WeightedAverageRateDomesticDepositChecking	0.0017
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1359519000	usd
CY2023Q4	he	Weighted Average Rate Domestic Deposit Checking Noninterest Bearing WeightedAverageRateDomesticDepositCheckingNoninterestBearing	0
CY2023Q4	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	1383197000	usd
CY2022Q4	he	Weighted Average Rate Domestic Deposit Checking Noninterest Bearing WeightedAverageRateDomesticDepositCheckingNoninterestBearing	0
CY2022Q4	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	1453937000	usd
CY2023Q4	he	Weighted Average Rate Domestic Deposit Commercial Checking WeightedAverageRateDomesticDepositCommercialChecking	0
CY2023Q4	he	Noninterest Bearing Domestic Deposit Commercial Checking NoninterestBearingDomesticDepositCommercialChecking	1216565000	usd
CY2022Q4	he	Weighted Average Rate Domestic Deposit Commercial Checking WeightedAverageRateDomesticDepositCommercialChecking	0
CY2022Q4	he	Noninterest Bearing Domestic Deposit Commercial Checking NoninterestBearingDomesticDepositCommercialChecking	1357140000	usd
CY2023Q4	us-gaap	Weighted Average Rate Domestic Deposit Money Market WeightedAverageRateDomesticDepositMoneyMarket	0.0352
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	289709000	usd
CY2022Q4	us-gaap	Weighted Average Rate Domestic Deposit Money Market WeightedAverageRateDomesticDepositMoneyMarket	0.0082
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	189053000	usd
CY2023Q4	us-gaap	Weighted Average Rate Domestic Deposit Certificates Of Deposit WeightedAverageRateDomesticDepositCertificatesOfDeposit	0.0399
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	1063907000	usd
CY2022Q4	us-gaap	Weighted Average Rate Domestic Deposit Certificates Of Deposit WeightedAverageRateDomesticDepositCertificatesOfDeposit	0.0239
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	611718000	usd
CY2023Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0085
CY2023Q4	us-gaap	Deposits Deposits	8145778000	usd
CY2022Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0024
CY2022Q4	us-gaap	Deposits Deposits	8169696000	usd
CY2023Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	348200000	usd
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	346900000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	898996000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	136462000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	14405000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	6158000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	5854000	usd
CY2023Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	2032000	usd
CY2023Q4	us-gaap	Time Deposits TimeDeposits	1063907000	usd
CY2023Q4	he	Overdrawn Deposit Accounts OverdrawnDepositAccounts	3900000	usd
CY2022Q4	he	Overdrawn Deposit Accounts OverdrawnDepositAccounts	1500000	usd
CY2023	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	31366000	usd
CY2022	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	5372000	usd
CY2021	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	3805000	usd
CY2023	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	2367000	usd
CY2022	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	860000	usd
CY2021	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	802000	usd
CY2023	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	8669000	usd
CY2022	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	330000	usd
CY2021	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	132000	usd
CY2023	he	Interest Expense Interest Bearing Checking InterestExpenseInterestBearingChecking	6503000	usd
CY2022	he	Interest Expense Interest Bearing Checking InterestExpenseInterestBearingChecking	765000	usd
CY2021	he	Interest Expense Interest Bearing Checking InterestExpenseInterestBearingChecking	242000	usd
CY2023	us-gaap	Interest Expense Deposits InterestExpenseDeposits	48905000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7327000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	4981000	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	0	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	0	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	281000000	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	281000000	usd
CY2023	he	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral Percent Of Fair Value SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateralPercentOfFairValue	0.05
CY2023Q4	us-gaap	Assets Sold Under Agreements To Repurchase Repurchase Liability AssetsSoldUnderAgreementsToRepurchaseRepurchaseLiability	0	usd
CY2023Q4	us-gaap	Assets Sold Under Agreements To Repurchase Interest Rate AssetsSoldUnderAgreementsToRepurchaseInterestRate	0
CY2022Q4	us-gaap	Assets Sold Under Agreements To Repurchase Repurchase Liability AssetsSoldUnderAgreementsToRepurchaseRepurchaseLiability	281120000	usd
CY2022Q4	us-gaap	Assets Sold Under Agreements To Repurchase Interest Rate AssetsSoldUnderAgreementsToRepurchaseInterestRate	0.0302
CY2023	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	41000	usd
CY2022	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-600000	usd
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-3409000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	6382000	usd
CY2023	he	Finance Lease Cost FinanceLeaseCost	12363000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	27147000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	6382000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	3519000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y4M24D
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P20Y
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	8097000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	8165000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	2842429000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	2384980000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	18000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	109000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	174000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	449000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	273000000	usd
CY2023Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	13900000	shares
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-51269000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-283495000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	46678000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P10Y
CY2023Q4	he	Lessee Operating Lease Payments Basis Reduction For Impact Of Collateral LesseeOperatingLeasePaymentsBasisReductionForImpactOfCollateral	0.0020
CY2021Q3	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P5Y
CY2021Q3	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Renewal Term1 LesseeOperatingLeaseLeaseNotYetCommencedRenewalTerm1	P5Y
CY2021Q3	he	Lessee Operating Lease Lease Not Yet Commenced Annual Rent Expense LesseeOperatingLeaseLeaseNotYetCommencedAnnualRentExpense	6400000	usd
CY2021Q3	he	Lessee Operating Lease Lease Not Yet Commenced Liability LesseeOperatingLeaseLeaseNotYetCommencedLiability	32000000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	25953000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	211047000	usd
CY2023	us-gaap	Sublease Income SubleaseIncome	3031000	usd
CY2023	us-gaap	Lease Cost LeaseCost	233969000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	5981000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0311
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0818
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	66971000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	250130000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	2675000	usd
CY2022	us-gaap	Lease Cost LeaseCost	314426000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1196000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	806000	usd
CY2022	he	Finance Lease Cost FinanceLeaseCost	2002000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	59193000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	806000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	849000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y8M12D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P19Y2M12D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0304
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0392
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	25000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	20000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	20000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	13000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	7000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	33000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	118000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	14000000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	104000000	usd
CY2023Q4	he	Lessee Operating Lease Not In Service Annual Capacity Payment LesseeOperatingLeaseNotInServiceAnnualCapacityPayment	4000000	usd
CY2023	he	General Payment Period GeneralPaymentPeriod	P30D
CY2023	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3297286000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3465215000	usd
CY2023	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	384880000	usd
CY2022	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	276770000	usd
CY2023	us-gaap	Revenues Revenues	3682166000	usd
CY2022	us-gaap	Revenues Revenues	3741985000	usd
CY2023	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3297286000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3465215000	usd
CY2023	he	Defined Benefit Plan Vested Percentage Of Interest Of Each Affected Participant After Participating Employer Terminates Participation DefinedBenefitPlanVestedPercentageOfInterestOfEachAffectedParticipantAfterParticipatingEmployerTerminatesParticipation	1
CY2023	he	Defined Benefit Plan Number Of Years Regulatory Assets Or Liability Will Be Amortized For Each Utility Which Start From Respective Utilities Next Rate Case DefinedBenefitPlanNumberOfYearsRegulatoryAssetsOrLiabilityWillBeAmortizedForEachUtilityWhichStartFromRespectiveUtilitiesNextRateCase	P5Y
CY2023	he	Executive Life And Defined Benefit Plan Nonqualified Pension Plan Expenses ExecutiveLifeAndDefinedBenefitPlanNonqualifiedPensionPlanExpenses	700000	usd
CY2022	he	Executive Life And Defined Benefit Plan Nonqualified Pension Plan Expenses ExecutiveLifeAndDefinedBenefitPlanNonqualifiedPensionPlanExpenses	1300000	usd
CY2023	he	Defined Benefit Plan Accumulated Other Comprehensive Income Regulatory Asset Charges Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeRegulatoryAssetChargesBeforeTax	-11100000	usd
CY2022	he	Defined Benefit Plan Accumulated Other Comprehensive Income Regulatory Asset Charges Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeRegulatoryAssetChargesBeforeTax	-269300000	usd
CY2023	he	Defined Benefit Plan Plan Assets At Fair Value Percentage Of Valuation Difference Amortized In Year One DefinedBenefitPlanPlanAssetsAtFairValuePercentageOfValuationDifferenceAmortizedInYearOne	0
CY2023	he	Defined Benefit Plan Plan Assets At Fair Value Percentage Of Valuation Difference Amortized In Years Two To Five DefinedBenefitPlanPlanAssetsAtFairValuePercentageOfValuationDifferenceAmortizedInYearsTwoToFive	0.25
CY2023	he	Defined Benefit Plan Number Of Past Years For Adding Or Subtracting Unamortized Differences From Fair Value DefinedBenefitPlanNumberOfPastYearsForAddingOrSubtractingUnamortizedDifferencesFromFairValue	P4Y
CY2023	he	Defined Benefit Plan Plan Assets At Fair Value Range Around Fair Value Percentage DefinedBenefitPlanPlanAssetsAtFairValueRangeAroundFairValuePercentage	0.15
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9000000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9000000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6000000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	10000000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	7000000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	6000000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10500000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10400000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9100000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2200000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2100000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1400000	usd
CY2022	he	Deferred State And Local Tax Credits Net DeferredStateAndLocalTaxCreditsNet	-56000	usd
CY2021	he	Deferred State And Local Tax Credits Net DeferredStateAndLocalTaxCreditsNet	-21000	usd
CY2023	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	12540000	usd
CY2022	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	16951000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	53112000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	730410000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	631588000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	297954000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	262462000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	6000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30909000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	77595000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	51455000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1072000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-37410000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-11689000	usd
CY2023	he	Deferred Federal Tax Credits Net DeferredFederalTaxCreditsNet	-52000	usd
CY2022	he	Deferred Federal Tax Credits Net DeferredFederalTaxCreditsNet	-4031000	usd
CY2021	he	Deferred Federal Tax Credits Net DeferredFederalTaxCreditsNet	-4611000	usd
CY2023	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	32033000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	44216000	usd
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	44377000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8344000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	11981000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	12119000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4196000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4914000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	6290000	usd
CY2023	he	Deferred State And Local Tax Credits Net DeferredStateAndLocalTaxCreditsNet	0	usd
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	18430000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44573000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61167000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	62807000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	51597000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	63881000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	65281000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	10827000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	14438000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	15735000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-7316000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-9886000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-9886000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4070000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1297000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4473000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-6465000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-5969000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-3850000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44573000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61167000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	62807000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.181
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.201
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.202
CY2023Q4	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	78884000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	82488000	usd
CY2023Q4	he	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	113968000	usd
CY2022Q4	he	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	45016000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	23502000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	7692000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	49522000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	51392000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	22942000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	22734000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	103587000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	120405000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	40051000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	39399000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	432456000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	369126000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	533286000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	511832000	usd
CY2023Q4	he	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	113498000	usd
CY2022Q4	he	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	44461000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets DeferredTaxLiabilitiesRegulatoryAssets	21872000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets DeferredTaxLiabilitiesRegulatoryAssets	22183000	usd
CY2023Q4	he	Deferred Tax Liabilities Deferred Expense Postretirement Benefits DeferredTaxLiabilitiesDeferredExpensePostretirementBenefits	0	usd
CY2022Q4	he	Deferred Tax Liabilities Deferred Expense Postretirement Benefits DeferredTaxLiabilitiesDeferredExpensePostretirementBenefits	0	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	61754000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	usd
CY2023	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	106000000	usd
CY2022	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	usd
CY2021	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	61000000	usd
CY2023	he	Property Plant And Equipment Transferred To Held For Sale PropertyPlantAndEquipmentTransferredToHeldForSale	0	usd
CY2022	he	Property Plant And Equipment Transferred To Held For Sale PropertyPlantAndEquipmentTransferredToHeldForSale	0	usd
CY2021	he	Property Plant And Equipment Transferred To Held For Sale PropertyPlantAndEquipmentTransferredToHeldForSale	3000000	usd
CY2023	he	Transfer Of Retail Repurchase Agreements To Deposit Liabilities TransferOfRetailRepurchaseAgreementsToDepositLiabilities	98000000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	43000000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	68000000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	30600000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	17100000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	12700000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	500000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	19000000.0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2800000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	3500000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	500000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3800000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	600000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	7600000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	7200000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2600000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	5500000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	27700000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	30600000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	17100000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	13800000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	10200000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	1300000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	400000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	200000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1900000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	600000	usd
CY2023	he	Interest Paid To Non Affiliates InterestPaidToNonAffiliates	170000000	usd
CY2022	he	Interest Paid To Non Affiliates InterestPaidToNonAffiliates	106000000	usd
CY2021	he	Interest Paid To Non Affiliates InterestPaidToNonAffiliates	98000000	usd
CY2023	us-gaap	Income Taxes Paid IncomeTaxesPaid	28000000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	41000000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	41000000	usd
CY2023	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	1000000	usd
CY2022	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	2000000	usd
CY2021	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	7000000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	48000000	usd
CY2023	he	Common Stock Dividends Reinvested CommonStockDividendsReinvested	5000000	usd
CY2022	he	Common Stock Dividends Reinvested CommonStockDividendsReinvested	0	usd
CY2021	he	Common Stock Dividends Reinvested CommonStockDividendsReinvested	0	usd
CY2022	he	Transfer Of Retail Repurchase Agreements To Deposit Liabilities TransferOfRetailRepurchaseAgreementsToDepositLiabilities	0	usd
CY2021	he	Transfer Of Retail Repurchase Agreements To Deposit Liabilities TransferOfRetailRepurchaseAgreementsToDepositLiabilities	0	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1000000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	51000000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	44000000	usd
CY2023	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	68000000	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	usd
CY2023	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	68000000	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	usd
CY2023	he	Stock Issued During Period Value Director And Officer Compensatory Plans StockIssuedDuringPeriodValueDirectorAndOfficerCompensatoryPlans	8000000	usd
CY2022	he	Stock Issued During Period Value Director And Officer Compensatory Plans StockIssuedDuringPeriodValueDirectorAndOfficerCompensatoryPlans	10000000	usd
CY2021	he	Stock Issued During Period Value Director And Officer Compensatory Plans StockIssuedDuringPeriodValueDirectorAndOfficerCompensatoryPlans	7000000	usd
CY2023	us-gaap	Affordable Housing Program Assessments AffordableHousingProgramAssessments	18000000	usd
CY2022	us-gaap	Affordable Housing Program Assessments AffordableHousingProgramAssessments	9000000	usd
CY2021	us-gaap	Affordable Housing Program Assessments AffordableHousingProgramAssessments	36000000	usd
CY2023	he	Transfer Of Securities From Available For Sale To Held To Maturities TransferOfSecuritiesFromAvailableForSaleToHeldToMaturities	0	usd
CY2022	he	Transfer Of Securities From Available For Sale To Held To Maturities TransferOfSecuritiesFromAvailableForSaleToHeldToMaturities	755000000	usd
CY2021	he	Transfer Of Securities From Available For Sale To Held To Maturities TransferOfSecuritiesFromAvailableForSaleToHeldToMaturities	0	usd
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023	he	Valuation Allowances And Reserves Additions Bad Debt Expenses Deferred To Regulatory Assets ValuationAllowancesAndReservesAdditionsBadDebtExpensesDeferredToRegulatoryAssets	2700000	usd
CY2022	he	Valuation Allowances And Reserves Additions Bad Debt Expenses Deferred To Regulatory Assets ValuationAllowancesAndReservesAdditionsBadDebtExpensesDeferredToRegulatoryAssets	16200000	usd
CY2021	he	Valuation Allowances And Reserves Additions Bad Debt Expenses Deferred To Regulatory Assets ValuationAllowancesAndReservesAdditionsBadDebtExpensesDeferredToRegulatoryAssets	10700000	usd
CY2021	he	Valuation Allowances And Reserves Additions Bad Debt Expenses Deferred To Regulatory Assets ValuationAllowancesAndReservesAdditionsBadDebtExpensesDeferredToRegulatoryAssets	10700000	usd
CY2021	he	Customer Bill Forgiveness CustomerBillForgiveness	2000000	usd

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$HE
HAWAIIAN ELECTRIC INDUSTRIES INC Stock $he

2024 Q1 Form 10-K Financial Statement

#000035470724000012 Filed on February 29, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HE HAWAIIAN ELECTRIC INDUSTRIES INC Stock $he

2024 Q1 Form 10-K Financial Statement

#000035470724000012 Filed on February 29, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HE
HAWAIIAN ELECTRIC INDUSTRIES INC Stock $he