$HE
HAWAIIAN ELECTRIC INDUSTRIES INC Stock $he

$he Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-Q Financial Statement

#000035470718000058 Filed on August 03, 2018

Income Statement

Concept	2018 Q2	2017 Q2
Revenue	$685.3M	$632.3M
YoY Change	8.38%	11.66%
Cost Of Revenue	$606.5M	$554.5M
YoY Change	9.38%	15.33%
Gross Profit	$78.80M	$77.80M
YoY Change	1.29%	-9.01%
Gross Profit Margin	11.5%	12.3%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$53.00M	$50.00M
YoY Change	6.0%	3.09%
% of Gross Profit	67.26%	64.27%
Operating Expenses	$0.00	$0.00
YoY Change
Operating Profit	$78.80M	$77.80M
YoY Change	1.28%	-8.96%
Interest Expense	-$17.70M	-$16.30M
YoY Change	8.59%	12.41%
% of Operating Profit	-22.46%	-20.95%
Other Income/Expense, Net	-$1.600M	-$1.900M
YoY Change	-15.79%
Pretax Income	$59.58M	$59.63M
YoY Change	-0.07%	-15.91%
Income Tax	$13.06M	$20.49M
% Of Pretax Income	21.91%	34.37%
Net Earnings	$46.53M	$39.13M
YoY Change	18.89%	-12.26%
Net Earnings / Revenue	6.79%	6.19%
Basic Earnings Per Share	$0.42	$0.36
Diluted Earnings Per Share	$0.42	$0.36
COMMON SHARES
Basic Shares Outstanding	108.8M shares	108.8M shares
Diluted Shares Outstanding	109.0M shares	108.8M shares

Balance Sheet

Concept	2018 Q2	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$255.0M	$210.0M
YoY Change	21.43%	-18.29%
Cash & Equivalents	$254.7M	$210.4M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$300.0M	$250.0M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$555.0M	$460.0M
YoY Change	20.65%	-4.37%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.612B	$4.727B
YoY Change	-2.42%	5.43%
Goodwill	$82.19M	$82.19M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$1.482B	$1.315B
YoY Change	12.7%	45.3%
Other Assets
YoY Change
Total Long-Term Assets	$12.33B	$12.23B
YoY Change	0.78%	6.4%
TOTAL ASSETS
Total Short-Term Assets	$555.0M	$460.0M
Total Long-Term Assets	$12.33B	$12.23B
Total Assets	$12.88B	$12.69B
YoY Change	1.5%	5.97%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$214.0M	$195.0M
YoY Change	9.74%	50.0%
Accrued Expenses	$28.00M	$22.00M
YoY Change	27.27%	-4.35%
Deferred Revenue
YoY Change
Short-Term Debt	$203.0M	$50.00M
YoY Change	306.0%	-56.9%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$445.0M	$267.0M
YoY Change	66.67%	-0.74%
LONG-TERM LIABILITIES
Long-Term Debt	$1.910B	$1.807B
YoY Change	5.7%	-2.43%
Other Long-Term Liabilities	$8.017B	$7.761B
YoY Change	3.3%	8.62%
Total Long-Term Liabilities	$9.927B	$9.568B
YoY Change	3.75%	6.35%
TOTAL LIABILITIES
Total Short-Term Liabilities	$445.0M	$267.0M
Total Long-Term Liabilities	$9.927B	$9.568B
Total Liabilities	$10.75B	$10.58B
YoY Change	1.53%	6.07%
SHAREHOLDERS EQUITY
Retained Earnings	$495.7M	$444.4M
YoY Change	11.53%	32.9%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.103B	$2.075B
YoY Change
Total Liabilities & Shareholders Equity	$12.88B	$12.69B
YoY Change	1.5%	5.97%

Cashflow Statement

Concept	2018 Q2	2017 Q2
OPERATING ACTIVITIES
Net Income	$46.53M	$39.13M
YoY Change	18.89%	-12.26%
Depreciation, Depletion And Amortization	$53.00M	$50.00M
YoY Change	6.0%	3.09%
Cash From Operating Activities	$73.60M	$127.1M
YoY Change	-42.09%	131.93%
INVESTING ACTIVITIES
Capital Expenditures	-$117.3M	-$119.1M
YoY Change	-1.51%	57.12%
Acquisitions
YoY Change
Other Investing Activities	-$43.10M	-$84.00M
YoY Change	-48.69%	-10.64%
Cash From Investing Activities	-$160.3M	-$203.0M
YoY Change	-21.03%	19.62%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	96.60M	52.00M
YoY Change	85.77%	39.04%
NET CHANGE
Cash From Operating Activities	73.60M	127.1M
Cash From Investing Activities	-160.3M	-203.0M
Cash From Financing Activities	96.60M	52.00M
Net Change In Cash	9.900M	-23.90M
YoY Change	-141.42%	-69.16%
FREE CASH FLOW
Cash From Operating Activities	$73.60M	$127.1M
Capital Expenditures	-$117.3M	-$119.1M
Free Cash Flow	$190.9M	$246.2M
YoY Change	-22.46%	88.51%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	HAWAIIAN ELECTRIC INDUSTRIES INC
CY2017Q4	he	Debt Securities Held To Maturity Securities Less Than12 Months Number Of Issues DebtSecuritiesHeldToMaturitySecuritiesLessThan12MonthsNumberOfIssues	2	issue
CY2018Q2	he	Debt Securities Held To Maturity Securities Less Than12 Months Number Of Issues DebtSecuritiesHeldToMaturitySecuritiesLessThan12MonthsNumberOfIssues	3	issue
CY2017Q4	he	Debt Securities Held To Maturity Securities More Than12 Months Number Of Issues DebtSecuritiesHeldToMaturitySecuritiesMoreThan12MonthsNumberOfIssues	0	issue
CY2018Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	108879245	shares
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000354707
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018Q2	he	Debt Securities Held To Maturity Securities More Than12 Months Number Of Issues DebtSecuritiesHeldToMaturitySecuritiesMoreThan12MonthsNumberOfIssues	0	issue
	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
	he	Defined Contribution Plan Contributions By Employer DefinedContributionPlanContributionsByEmployer	4000000	USD
	he	Defined Contribution Plan Contributions By Employer DefinedContributionPlanContributionsByEmployer	4800000	USD
CY2017Q2	he	Financing Receivable Troubled Debt Restructuring Contract That Subsequently Defaulted Value FinancingReceivableTroubledDebtRestructuringContractThatSubsequentlyDefaultedValue	222000	USD
	he	Financing Receivable Troubled Debt Restructuring Contract That Subsequently Defaulted Value FinancingReceivableTroubledDebtRestructuringContractThatSubsequentlyDefaultedValue	523000	USD
CY2018Q2	he	Financing Receivable Troubled Debt Restructuring Contract That Subsequently Defaulted Value FinancingReceivableTroubledDebtRestructuringContractThatSubsequentlyDefaultedValue	391000	USD
	he	Financing Receivable Troubled Debt Restructuring Contract That Subsequently Defaulted Value FinancingReceivableTroubledDebtRestructuringContractThatSubsequentlyDefaultedValue	472000	USD
CY2017Q2	he	Financing Receivable Troubled Debt Restructuring Contracts That Subsequently Defaulted Number FinancingReceivableTroubledDebtRestructuringContractsThatSubsequentlyDefaultedNumber	1	contract
	he	Financing Receivable Troubled Debt Restructuring Contracts That Subsequently Defaulted Number FinancingReceivableTroubledDebtRestructuringContractsThatSubsequentlyDefaultedNumber	2	contract
CY2018Q2	he	Financing Receivable Troubled Debt Restructuring Contracts That Subsequently Defaulted Number FinancingReceivableTroubledDebtRestructuringContractsThatSubsequentlyDefaultedNumber	2	contract
	he	Financing Receivable Troubled Debt Restructuring Contracts That Subsequently Defaulted Number FinancingReceivableTroubledDebtRestructuringContractsThatSubsequentlyDefaultedNumber	3	contract
	he	General Payment Period GeneralPaymentPeriod	P30D
	he	Increase Decrease In Accounts Payable And Interest And Dividends Payable IncreaseDecreaseInAccountsPayableAndInterestAndDividendsPayable	43530000	USD
	he	Increase Decrease In Accounts Payable And Interest And Dividends Payable IncreaseDecreaseInAccountsPayableAndInterestAndDividendsPayable	31784000	USD
	he	Increase Decrease In Pension And Other Postretirement Defined Benefit Plans Liability IncreaseDecreaseInPensionAndOtherPostretirementDefinedBenefitPlansLiability	420000	USD
	he	Increase Decrease In Pension And Other Postretirement Defined Benefit Plans Liability IncreaseDecreaseInPensionAndOtherPostretirementDefinedBenefitPlansLiability	-871000	USD
	he	Increase Decrease In Prepaid And Accrued Income Taxes And Utility Revenue Taxes IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes	-37954000	USD
	he	Increase Decrease In Prepaid And Accrued Income Taxes And Utility Revenue Taxes IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes	-26558000	USD
	he	Increase Decrease In Retail Repurchase Agreements IncreaseDecreaseInRetailRepurchaseAgreements	9048000	USD
	he	Increase Decrease In Retail Repurchase Agreements IncreaseDecreaseInRetailRepurchaseAgreements	38446000	USD
CY2017Q4	he	Interest And Dividends Payable Including Dividends On Preferred Stock Of Subsidiaries InterestAndDividendsPayableIncludingDividendsOnPreferredStockOfSubsidiaries	25837000	USD
CY2018Q2	he	Interest And Dividends Payable Including Dividends On Preferred Stock Of Subsidiaries InterestAndDividendsPayableIncludingDividendsOnPreferredStockOfSubsidiaries	27594000	USD
CY2017Q2	he	Interest Expense On Other Than Deposits And Bank Borrowings InterestExpenseOnOtherThanDepositsAndBankBorrowings	20440000	USD
	he	Interest Expense On Other Than Deposits And Bank Borrowings InterestExpenseOnOtherThanDepositsAndBankBorrowings	40008000	USD
CY2018Q2	he	Interest Expense On Other Than Deposits And Bank Borrowings InterestExpenseOnOtherThanDepositsAndBankBorrowings	22001000	USD
	he	Interest Expense On Other Than Deposits And Bank Borrowings InterestExpenseOnOtherThanDepositsAndBankBorrowings	43519000	USD
	he	Interest Paid To Non Affiliates InterestPaidToNonAffiliates	46000000	USD
	he	Interest Paid To Non Affiliates InterestPaidToNonAffiliates	45000000	USD
	he	Minimum Benchmark Percentageof Loanto Appraisal Ratiowhich Mortgage Insuranceis Required MinimumBenchmarkPercentageofLoantoAppraisalRatiowhichMortgageInsuranceisRequired	0.80
	he	Noncash Or Part Noncash Increases Property Plant And Equipment Contributions In Aid Of Construction NoncashOrPartNoncashIncreasesPropertyPlantAndEquipmentContributionsInAidOfConstruction	2000000	USD
	he	Noncash Or Part Noncash Increases Property Plant And Equipment Contributions In Aid Of Construction NoncashOrPartNoncashIncreasesPropertyPlantAndEquipmentContributionsInAidOfConstruction	5000000	USD
CY2018Q2	he	Number Of Financial Institutions NumberOfFinancialInstitutions	8	Institution
CY2017Q4	he	Other Bank Borrowings OtherBankBorrowings	190859000	USD
CY2018Q2	he	Other Bank Borrowings OtherBankBorrowings	126930000	USD
CY2017Q2	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax	3581000	USD
	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax	7194000	USD
CY2018Q2	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax	4827000	USD
	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax	9449000	USD
CY2017Q2	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsTax	2281000	USD
	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsTax	4582000	USD
CY2018Q2	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsTax	1674000	USD
	he	Other Comprehensive Income Reclassification Adjustment For Impact Of Decision And Orders Of The Puc Included In Regulatory Assets Tax OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsTax	3277000	USD
CY2017Q2	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	3930000	USD
	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	7851000	USD
CY2018Q2	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	5350000	USD
	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	10496000	USD
	he	Payments For Affordable Housing Project Investments PaymentsForAffordableHousingProjectInvestments	0	USD
	he	Payments For Affordable Housing Project Investments PaymentsForAffordableHousingProjectInvestments	3279000	USD
CY2016Q2	he	Power Purchase Agreement Termination Period PowerPurchaseAgreementTerminationPeriod	P60D
	he	Proceeds From Other Bank Borrowings ProceedsFromOtherBankBorrowings	59500000	USD
	he	Proceeds From Other Bank Borrowings ProceedsFromOtherBankBorrowings	177000000	USD
	he	Proceedsfrom Principal Repaymentson Investmentand Mortgage Related Securities Available For Sale ProceedsfromPrincipalRepaymentsonInvestmentandMortgageRelatedSecuritiesAvailableForSale	99663000	USD
	he	Proceedsfrom Principal Repaymentson Investmentand Mortgage Related Securities Available For Sale ProceedsfromPrincipalRepaymentsonInvestmentandMortgageRelatedSecuritiesAvailableForSale	108379000	USD
	he	Public Utilities Erpeam Implementation Project Costs PublicUtilitiesERPEAMImplementationProjectCosts	61200000	USD
	he	Public Utilities Erpeam Implementation Project Costs Capital Costs PublicUtilitiesERPEAMImplementationProjectCostsCapitalCosts	2600000	USD
	he	Public Utilities Erpeam Implementation Project Costs Deferred Costs PublicUtilitiesERPEAMImplementationProjectCostsDeferredCosts	48000000	USD
	he	Public Utilities Erpeam Implementation Project Costs Operations And Management PublicUtilitiesERPEAMImplementationProjectCostsOperationsAndManagement	10600000	USD
CY2018Q2	he	Public Utilities General Rate Increase Revenue Calculation Assumptions Rate Of Return PublicUtilitiesGeneralRateIncreaseRevenueCalculationAssumptionsRateOfReturn	0.0757
CY2018Q2	he	Public Utilities General Rate Increase Revenue Calculation Assumptions Rate Of Return Return On Average Common Equity PublicUtilitiesGeneralRateIncreaseRevenueCalculationAssumptionsRateOfReturnReturnOnAverageCommonEquity	0.095
CY2018Q2	he	Public Utilities Rate Increase Before Tax Act Impact Amount PublicUtilitiesRateIncreaseBeforeTaxActImpactAmount	37700000	USD
	he	Public Utilities Solar Project Cost Incurred PublicUtilitiesSolarProjectCostIncurred	9100000	USD
CY2016Q3	he	Public Utilities Solar Project Facility Energy Production PublicUtilitiesSolarProjectFacilityEnergyProduction	20	MW
CY2017Q2	he	Public Utilities Solar Project Major Project Interim Recovery Requested Amount PublicUtilitiesSolarProjectMajorProjectInterimRecoveryRequestedAmount	6600000	USD
CY2017Q2	he	Public Utilities Solar Project Maximum Energy Cost PublicUtilitiesSolarProjectMaximumEnergyCost	0.0956
CY2017Q2	he	Public Utilities Solar Project Project Cap PublicUtilitiesSolarProjectProjectCap	67000000	USD
CY2018Q2	he	Public Utilities Tax Act Impact On Rate Amount PublicUtilitiesTaxActImpactOnRateAmount	38300000	USD
	he	Public Utility Decoupling Order Call Center Performance Maximum Penalty Amount PublicUtilityDecouplingOrderCallCenterPerformanceMaximumPenaltyAmount	1200000	USD
	he	Public Utility Decoupling Order Call Center Performance Maximum Penalty Pending Adjusted Amount PublicUtilityDecouplingOrderCallCenterPerformanceMaximumPenaltyPendingAdjustedAmount	1300000	USD
	he	Public Utility Decoupling Order Call Center Performance Maximum Penalty Percent PublicUtilityDecouplingOrderCallCenterPerformanceMaximumPenaltyPercent	0.0008
	he	Public Utility Decoupling Order Performance Incentive Mechanism Call Center Performance Dead Band Percentage Above Or Below Target PublicUtilityDecouplingOrderPerformanceIncentiveMechanismCallCenterPerformanceDeadBandPercentageAboveOrBelowTarget	0.03
	he	Public Utility Decoupling Order Performance Incentive Mechanism Demand Response Award Percentage Of Annual Maintenance Costs PublicUtilityDecouplingOrderPerformanceIncentiveMechanismDemandResponseAwardPercentageOfAnnualMaintenanceCosts	0.05
	he	Public Utility Decoupling Order Performance Incentive Mechanism Demand Response Maximum Award PublicUtilityDecouplingOrderPerformanceIncentiveMechanismDemandResponseMaximumAward	500000	USD
	he	Public Utility Decoupling Order Performance Incentive Mechanism Demand Response Penalty PublicUtilityDecouplingOrderPerformanceIncentiveMechanismDemandResponsePenalty	0	USD
	he	Public Utility Decoupling Order Performance Incentive Mechanism Expected Savings Percent PublicUtilityDecouplingOrderPerformanceIncentiveMechanismExpectedSavingsPercent	0.2
	he	Public Utility Decoupling Order Performance Incentive Mechanism Penalty PublicUtilityDecouplingOrderPerformanceIncentiveMechanismPenalty	0	USD
	he	Public Utility Decoupling Order Performance Incentive Mechanism Savings Calculation Energy Price Energy Only Renewable Projects PublicUtilityDecouplingOrderPerformanceIncentiveMechanismSavingsCalculationEnergyPriceEnergyOnlyRenewableProjects	0.095
	he	Public Utility Decoupling Order Performance Incentive Mechanism Savings Calculation Energy Price Renewable Projects With Storage Capacity PublicUtilityDecouplingOrderPerformanceIncentiveMechanismSavingsCalculationEnergyPriceRenewableProjectsWithStorageCapacity	0.115
	he	Public Utility Decoupling Order Performance Incentive Mechanism Savings Calculation Incentive Cap PublicUtilityDecouplingOrderPerformanceIncentiveMechanismSavingsCalculationIncentiveCap	3500000.0	USD
	he	Public Utility Decoupling Order Performance Incentive Mechanism Service Reliability Maximum Penalty Amount PublicUtilityDecouplingOrderPerformanceIncentiveMechanismServiceReliabilityMaximumPenaltyAmount	6200000	USD
	he	Public Utility Decoupling Order Performance Incentive Mechanism Service Reliability Maximum Penalty Pending Adjusted Amount PublicUtilityDecouplingOrderPerformanceIncentiveMechanismServiceReliabilityMaximumPenaltyPendingAdjustedAmount	6700000	USD
CY2017Q2	he	Public Utility Decoupling Order Threshold Of Capital Expenditures In Excess Of Customer Contributions For Qualification For Major Project Interim Recovery PublicUtilityDecouplingOrderThresholdOfCapitalExpendituresInExcessOfCustomerContributionsForQualificationForMajorProjectInterimRecovery	2500000.0	USD
CY2016Q1	he	Public Utility Decrease In Project Costs PublicUtilityDecreaseInProjectCosts	9700000	USD
	he	Public Utility Decoupling Order Performance Incentive Mechanism Service Reliability Maximum Penalty Percent Of Return On Equity PublicUtilityDecouplingOrderPerformanceIncentiveMechanismServiceReliabilityMaximumPenaltyPercentOfReturnOnEquity	0.002
	he	Public Utility Decoupling Order Performance Incentive Mechanism Service Reliability Target Performance Historical Measurement Period PublicUtilityDecouplingOrderPerformanceIncentiveMechanismServiceReliabilityTargetPerformanceHistoricalMeasurementPeriod	P10Y
CY2016Q3	he	Public Utility Erpeam Cost Recovery Cap PublicUtilityERPEAMCostRecoveryCap	77600000	USD
CY2016Q3	he	Public Utility Erpeam Project Service Period PublicUtilityERPEAMProjectServicePeriod	P12Y
CY2016Q3	he	Public Utility Erpeam Required Passthrough Savings PublicUtilityERPEAMRequiredPassthroughSavings	244000000	USD
CY2017Q4	he	Public Utility Erpeam Required Passthrough Savings PublicUtilityERPEAMRequiredPassthroughSavings	244000000	USD
CY2018Q2	he	Public Utility General Rate Increase Maximum Exposure Cap PublicUtilityGeneralRateIncreaseMaximumExposureCap	2500000	USD
CY2018Q2	he	Public Utility General Rate Increase Risk Sharing Percentage Ratepayer PublicUtilityGeneralRateIncreaseRiskSharingPercentageRatepayer	0.98
CY2018Q2	he	Public Utility General Rate Increase Risk Sharing Percentage Utility PublicUtilityGeneralRateIncreaseRiskSharingPercentageUtility	0.02
CY2015Q3	he	Public Utility Maximum Project Budget PublicUtilityMaximumProjectBudget	167000000	USD
CY2016Q1	he	Public Utility Maximum Project Budget PublicUtilityMaximumProjectBudget	157300000	USD
CY2018Q2	he	Public Utility Project Annualized Operation And Maintenance Expense PublicUtilityProjectAnnualizedOperationAndMaintenanceExpense	1800000	USD
CY2012Q3	he	Public Utility Project Facility Capacity PublicUtilityProjectFacilityCapacity	50	MW
CY2016Q1	he	Public Utility Project Lease Term PublicUtilityProjectLeaseTerm	P35Y
CY2015Q3	he	Public Utility Project Percent Of Cost Recoverable Through Recovery Mechanisms Other Than Base Rates PublicUtilityProjectPercentOfCostRecoverableThroughRecoveryMechanismsOtherThanBaseRates	0.9
	he	Public Utility Project Total Project Cost Incurred PublicUtilityProjectTotalProjectCostIncurred	141500000	USD
	he	Repayments Of Other Bank Borrowings RepaymentsOfOtherBankBorrowings	73034000	USD
	he	Repayments Of Other Bank Borrowings RepaymentsOfOtherBankBorrowings	177000000	USD
CY2017Q4	he	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Financial Instruments SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimFinancialInstruments	165000000	USD
CY2018Q2	he	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Financial Instruments SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimFinancialInstruments	193000000	USD
	he	Stock Issued During Period Value Director And Officer Compensatory Plans StockIssuedDuringPeriodValueDirectorAndOfficerCompensatoryPlans	11000000	USD
	he	Stock Issued During Period Value Director And Officer Compensatory Plans StockIssuedDuringPeriodValueDirectorAndOfficerCompensatoryPlans	4000000	USD
	he	Transfer To Deposit Liabilities TransferToDepositLiabilities	0	USD
	he	Transfer To Deposit Liabilities TransferToDepositLiabilities	102000000	USD
	he	Unsettled Trades To Purchase Investment Securities Debt UnsettledTradesToPurchaseInvestmentSecuritiesDebt	0	USD
	he	Unsettled Trades To Purchase Investment Securities Debt UnsettledTradesToPurchaseInvestmentSecuritiesDebt	10000000	USD
CY2017Q4	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	193714000	USD
CY2018Q2	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	213832000	USD
CY2017Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	263209000	USD
CY2018Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	299771000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2553295000	USD
CY2018Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2615259000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-41941000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-58539000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	6101000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	20603000	USD
	us-gaap	Affordable Housing Program Assessments AffordableHousingProgramAssessments	0	USD
	us-gaap	Affordable Housing Program Assessments AffordableHousingProgramAssessments	6000000	USD
CY2017Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2200000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3300000	USD
CY2018Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2800000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4400000	USD
CY2017Q4	us-gaap	Assets Assets	12534160000	USD
CY2018Q2	us-gaap	Assets Assets	12884104000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1231000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	445000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	21655000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	44974000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1421622000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1454057000	USD
	us-gaap	Available For Sale Debt Securities Gross Unrealized Gain AvailableForSaleDebtSecuritiesGrossUnrealizedGain	0	USD
	us-gaap	Available For Sale Debt Securities Gross Unrealized Gain AvailableForSaleDebtSecuritiesGrossUnrealizedGain	0	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	77526000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	75563000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	105425000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	104020000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	27788000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	27253000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	231696000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	235744000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	25005000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	24860000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	1218313000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1177832000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1401198000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1409528000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	38000000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	42000000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	278452000	USD
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	210381000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	261881000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	254665000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-68071000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-7216000	USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.31
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.31
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2018Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	108787807	shares
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	108879245	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	108787807	shares
CY2018Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	108879245	shares
CY2017Q4	us-gaap	Common Stocks Including Additional Paid In Capital Net Of Discount CommonStocksIncludingAdditionalPaidInCapitalNetOfDiscount	1662491000	USD
CY2018Q2	us-gaap	Common Stocks Including Additional Paid In Capital Net Of Discount CommonStocksIncludingAdditionalPaidInCapitalNetOfDiscount	1665901000	USD
CY2017Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41031000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	76209000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	42229000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	69703000	USD
CY2017Q2	us-gaap	Costs And Expenses CostsAndExpenses	554479000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1076303000	USD
CY2018Q2	us-gaap	Costs And Expenses CostsAndExpenses	606478000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1180463000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3200000	USD
CY2017Q4	us-gaap	Deposits Deposits	5890597000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	522208000	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	523501000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	13991000	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	23593000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	85	issue
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	92	issue
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	736772000	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	817048000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	7664000	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	21381000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	82	issue
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	104	issue
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17047000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9672000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	388430000	USD
CY2018Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	375832000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Remainder Of Fiscal Year DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear	1000000	USD
CY2018Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Remainder Of Fiscal Year DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear	2000000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3300000	USD
CY2018Q2	us-gaap	Deposits Deposits	6116109000	USD
	us-gaap	Depreciation Depreciation	100062000	USD
	us-gaap	Depreciation Depreciation	106063000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	67426000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	67481000	USD
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.79
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.67
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.79
CY2017Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	800000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1200000	USD
CY2018Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	500000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	700000	USD
CY2017Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	9706000	USD
CY2018Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	10158000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	55533000	USD
CY2017Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	55997000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	56356000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	53637000	USD
CY2018Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	53895000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	52803000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	50907000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	49955000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2730000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2848000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	759000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1656000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	726000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2316000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3234000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	7574000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	4581000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	9454000	USD
CY2017Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4638184000	USD
CY2018Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4735830000	USD
CY2017Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	33393000	USD
CY2018Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	39583000	USD
CY2017	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	20814000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	24133000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4647974000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4749832000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	23591000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	27220000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	23603000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	25581000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	82190000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	82190000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	44515000	USD
CY2018Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	62630000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	41000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	104000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1227000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	104000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1227000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	35744000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	41138000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	62630000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	61444000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	44412000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	61444000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	34753000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	38840000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	37478000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	35588000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	419000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1169000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	307000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	658000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	33393000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	39583000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2730000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2848000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	35615000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	41915000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	14873000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	16258000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	15447000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	14588000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	148000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	278000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	72000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	199000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	14072000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	16803000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	16041000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	18862000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	19880000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	22582000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	22031000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	21000000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	271000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	891000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	235000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	459000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	19321000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	22780000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	19574000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	23053000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	59626000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	111208000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	59582000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	112858000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20492000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37408000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13055000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25611000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	21000000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	36000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	175457000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	123137000	USD
	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	5962000	USD
	us-gaap	Increase Decrease In Fuel Inventories IncreaseDecreaseInFuelInventories	19867000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	33922000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	22695000	USD
	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	-8179000	USD
	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	19600000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	12394000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	41526000	USD
CY2017Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	47000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	157000	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	121000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	223000	shares
CY2017Q2	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	1143000	USD
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	2032000	USD
CY2018Q2	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	1365000	USD
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	2809000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	10402481000	USD
CY2018Q2	us-gaap	Liabilities Liabilities	10746793000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12534160000	USD
CY2018Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12884104000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	53637000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	52803000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4671577000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4775413000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	4617131000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	4721941000	USD
CY2017Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	11250000	USD
CY2018Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	5248000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	1683797000	USD
CY2018Q2	us-gaap	Long Term Debt LongTermDebt	1783009000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	145348000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	275933000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-387521000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-391420000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	174102000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	108271000	USD
CY2017Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	38661000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	72854000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	46054000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	86301000	USD
CY2017Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	1906000	USD
	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	3782000	USD
CY2018Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	1564000	USD
	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	3397000	USD
CY2017Q2	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	473000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	946000	USD
CY2018Q2	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	473000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	946000	USD
CY2017Q4	us-gaap	Notes Receivable Net NotesReceivableNet	4671577000	USD
CY2018Q2	us-gaap	Notes Receivable Net NotesReceivableNet	4775413000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	77802000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	147540000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	78799000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	150688000	USD
CY2017Q4	us-gaap	Other Assets OtherAssets	513535000	USD
CY2018Q2	us-gaap	Other Assets OtherAssets	565614000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2370000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3355000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3825000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-16598000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-454000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-289000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	0	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	2508000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	5010000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	1862000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	3654000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2021000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2244000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4348000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-17645000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1334000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1482000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1592000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	6459000	USD
CY2017Q4	us-gaap	Other Liabilities OtherLiabilities	521018000	USD
CY2018Q2	us-gaap	Other Liabilities OtherLiabilities	500873000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	246000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-147000	USD
CY2017Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	117945000	USD
CY2018Q2	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	202857000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	69595000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	78313000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	20326000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	111521000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-8216000	USD
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-5919000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	67426000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	67481000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	946000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	946000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3787000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	996000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	295510000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	133698000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	2868000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	7533000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	20450000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	210325000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	259898000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	17000000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	27000000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	509514000	USD
CY2018Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	494541000	USD
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2018Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2018Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
	us-gaap	Proceeds From Contribution In Aid Of Construction ProceedsFromContributionInAidOfConstruction	17571000	USD
	us-gaap	Proceeds From Contribution In Aid Of Construction ProceedsFromContributionInAidOfConstruction	13573000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	265000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	100000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3253000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-230000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	49789000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	84881000	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	0	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	2270000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	2380000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	7080000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	79944000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	77382000	USD
	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	13493000	USD
	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	7149000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	185000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	589000	USD
CY2017Q2	us-gaap	Profit Loss ProfitLoss	39134000	USD
	us-gaap	Profit Loss ProfitLoss	73800000	USD
CY2018Q2	us-gaap	Regulatory Assets RegulatoryAssets	860410000	USD
CY2017Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	880770000	USD
CY2018Q2	us-gaap	Regulatory Liabilities RegulatoryLiabilities	905216000	USD
CY2018Q2	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	77000000	USD
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	USD
CY2018Q2	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	46527000	USD
	us-gaap	Profit Loss ProfitLoss	87247000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4460248000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4611949000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6741000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6304000	USD
CY2017Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2834000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	6741000	USD
CY2018Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2763000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	6304000	USD
CY2017Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	3027000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	5426000	USD
CY2018Q2	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	2983000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	6277000	USD
CY2016Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Rate PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate	0.0175
CY2018Q1	us-gaap	Public Utilities Interim Rate Increase Decrease Amount PublicUtilitiesInterimRateIncreaseDecreaseAmount	36000000	USD
CY2017Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-349000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1111000	USD
CY2018Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-523000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1047000	USD
CY2017Q4	us-gaap	Regulatory Assets RegulatoryAssets	869297000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	265000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	878000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	476836000	USD
CY2018Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	495656000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	621587000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1197052000	USD
CY2017Q2	us-gaap	Revenues Revenues	632281000	USD
	us-gaap	Revenues Revenues	1223843000	USD
CY2018Q2	us-gaap	Revenues Revenues	685277000	USD
	us-gaap	Revenues Revenues	1331151000	USD
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	141000000	USD
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2018Q2	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	141000000	USD
CY2018Q2	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	77000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3285000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4414000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-507000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	3410000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	2066753000	USD
CY2017Q2	us-gaap	Stockholders Equity StockholdersEquity	2075029000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	2097386000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	2103018000	USD
CY2017Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	34293000	USD
CY2018Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	34293000	USD
CY2017Q4	us-gaap	Trading Securities TradingSecurities	1401198000	USD
CY2018Q2	us-gaap	Trading Securities TradingSecurities	1409528000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	9000000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	1000000	USD
CY2017Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-809000	USD
CY2018Q2	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-669000	USD
CY2017Q2	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	153000000	USD
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	280000000	USD
CY2018Q2	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	161000000	USD
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	301000000	USD
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	108797000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	108869000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	108963000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	109053000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108750000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108712000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108842000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108830000	shares

Files In Submission

Name	View Source	Status
0000354707-18-000058-index-headers.html	Edgar Link	pending
0000354707-18-000058-index.html	Edgar Link	pending
0000354707-18-000058.txt	Edgar Link	pending
0000354707-18-000058-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
he-06302018x10q.htm	Edgar Link	pending
he-20180630.xml	Edgar Link	completed
he-20180630.xsd	Edgar Link	pending
he-20180630_cal.xml	Edgar Link	unprocessable
he-20180630_def.xml	Edgar Link	unprocessable
he-20180630_lab.xml	Edgar Link	unprocessable
he-20180630_pre.xml	Edgar Link	unprocessable
heco-06302018xex122.htm	Edgar Link	pending
heco-06302018xex313.htm	Edgar Link	pending
heco-06302018xex314.htm	Edgar Link	pending
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hei-06302018xex10.htm	Edgar Link	pending
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2018 Q2 Form 10-Q Financial Statement

#000035470718000058 Filed on August 03, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HE HAWAIIAN ELECTRIC INDUSTRIES INC Stock $he

2018 Q2 Form 10-Q Financial Statement

#000035470718000058 Filed on August 03, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HE
HAWAIIAN ELECTRIC INDUSTRIES INC Stock $he