XML 22 R78.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Earnings per share and shareholders' equity (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Interest expense | $ 19,229 | $ 19,170 | $ 57,235 | $ 58,648
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (5,611) | (2,829) | (16,850) | (8,515)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,243, $1,619, $9,729 and $4,858 for the respective periods | (5,091) | (2,542) | (15,274) | (7,627)
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (5,095) | (2,552) | (15,285) | (7,659)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,243, $1,619, $9,729 and $4,858 for the respective periods | (5,091) | (2,542) | (15,274) | (7,627)
Amount reclassified from AOCI |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Total reclassifications | 579 | 346 | 1,753 | (650)
Amount reclassified from AOCI | Net unrealized gains (losses) on securities |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Revenues-bank (net gains on sales of securities) | 0 | 0 | 0 | 1,715
Amount reclassified from AOCI | Derivatives qualified as cash flow hedges Interest rate contracts (settled in 2011) | Interest rate contracts |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Interest expense | 59 | 59 | 177 | 177
Amount reclassified from AOCI | Retirement benefit plans |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (5,611) | (2,829) | (16,850) | (8,515)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,243, $1,619, $9,729 and $4,858 for the respective periods | (5,091) | (2,542) | (15,274) | (7,627)
Amount reclassified from AOCI | Hawaiian Electric Company, Inc. and Subsidiaries |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Total reclassifications | 4 | 10 | 11 | 32
Amount reclassified from AOCI | Hawaiian Electric Company, Inc. and Subsidiaries | Retirement benefit plans |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (5,095) | (2,552) | (15,285) | (7,659)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,243, $1,619, $9,729 and $4,858 for the respective periods | $ (5,091) | $ (2,542) | $ (15,274) | $ (7,627)

X
- Definition The amount of interest expense, other than on deposit liabilities and other bank borrowings. + References No definition available. + Details
Name: | he_InterestExpenseOnOtherThanDepositsAndBankBorrowings
Namespace Prefix: | he_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reclassification adjustments on pension and post retirement benefits for the accounting impact of the decisions issued by the Public Utilities Commission, net of income taxes. + References No definition available. + Details
Name: | he_OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax
Namespace Prefix: | he_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The adjustment out of other comprehensive income for actuarial gains or losses, prior service gains or losses, and net transition asset or obligation recognized as a component of net periodic benefit cost during the period, after tax. + References No definition available. + Details
Name: | he_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossPriorServiceGainLossAndNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax
Namespace Prefix: | he_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Subparagraph h -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 3 -Article 7 + Details
Name: | us-gaap_GainLossOnSaleOfSecuritiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=he_HawaiianElectricCompanyAndSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |