ORA


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:Revenues

us-gaap:SellingAndMarketingExpense

us-gaap:Assets
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:Liabilities
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementScenario

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent
us-gaap:StatementGeographical

us-gaap:InventoryNet
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ConstructionInProgressGross
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:NatureOfExpense, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
us-gaap:DebtAndCapitalLeaseObligations

us-gaap:UnsecuredLongTermDebt

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementScenario

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:PlanName
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

ora:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsReimbursement
us-gaap:StatementEquityComponents
us-gaap:PublicUtility, us-gaap:StatementBusinessSegments
ora:BusinessInterruptionInsuranceRecoveryGross

ora:IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName, us-gaap:SubsequentEventType, us-gaap:TaxPeriod
ora:IncomeTaxExaminationDeferralOfTaxBenefits

ora:IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment

ora:IncreaseDecreaseInOperatingLeaseLiabilities

ora:IncreaseDecreaseInSeverancePayFundAssetNet

ora:IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures

ora:IncreaseDecreaseInUnrecognizedTaxBenefits

ora:InterestExpenseSaleOfTaxBenefits

ora:OperatingLeaseRightOfUseAssetOperatingCashFlowEffect

ora:OtherComprehensiveIncomeLossOtherChangesNetOfTax
us-gaap:StatementEquityComponents

ora:OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments
us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementScenario
ora:PercentageOfDistributableCashToNontrollingInterests
dei:LegalEntity, us-gaap:StatementScenario
ora:PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementScenario
ora:PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests

ora:ProceedsFromIssuanceOfLongtermLoansNet

ora:ProceedsFromStockIssuanceCostsReimbursement
us-gaap:MajorCustomers, us-gaap:SubsequentEventType
ora:ProceedsOverdueAccountsReceivable

ora:RepaymentsOfLongtermLoans

ora:RightofuseAssetObtainedInExchangeForLeaseLiability

ora:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate

us-gaap:AssetRetirementObligationAccretionExpense
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentPeriodicPayment

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DepreciationAndAmortization
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents
us-gaap:SubsequentEventType

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

us-gaap:ExplorationAbandonmentAndImpairmentExpense

us-gaap:FinanceLeasePrincipalPayments

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnSaleOfOtherAssets
us-gaap:IncomeStatementLocation, us-gaap:PublicUtility, us-gaap:StatementBusinessSegments
us-gaap:GainOnBusinessInterruptionInsuranceRecovery

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName
us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName, us-gaap:SubsequentEventType, us-gaap:TaxPeriod
us-gaap:IncomeTaxExaminationPenaltiesAndInterestExpense

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInDepositOtherAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInRestructuringReserve

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InsuranceRecoveries

us-gaap:InterestCostsCapitalized

us-gaap:InterestExpenseOther

us-gaap:InvestmentIncomeInterest
us-gaap:LitigationCase
us-gaap:LossContingencyDamagesSoughtValue

us-gaap:LossFromCatastrophes
us-gaap:SubsequentEventType

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseLeaseIncomeLeasePayments
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToMinorityShareholders
us-gaap:IncomeStatementLocation, us-gaap:PublicUtility, us-gaap:StatementBusinessSegments
us-gaap:ProceedsFromInsuranceSettlementOperatingActivities
us-gaap:PublicUtility, us-gaap:StatementBusinessSegments
us-gaap:SubsidiarySaleOfStock
us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromMinorityShareholders
us-gaap:MajorCustomers, us-gaap:SubsequentEventType
us-gaap:ProceedsFromRepaymentsOfAccountsReceivableSecuritization
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ProvisionForDoubtfulAccounts
us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfCommercialPaper
us-gaap:DebtInstrument
us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfLongTermLinesOfCredit
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:UnrealizedGainLossOnDerivatives
us-gaap:MajorCustomers
ora:AccountsReceivablePastDue
us-gaap:JointlyOwnedUtilityPlant
ora:AccumulatedCashContributionsToAcquireProjects
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
ora:AssumptionOfProductiveAssetsPercentAcquired

ora:BillingsToDate
us-gaap:BusinessAcquisition
ora:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
ora:CashCashEquivalentsAndRestrictedCashFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

ora:ContractWithCustomerLiabilityCurrentCustomerAdvance

ora:CurrentPortionOfLongTermDebtWithFullRecourse
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
ora:DebtInstrumentCovenantEquityCapitalToTotalAssetsPercent
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
ora:DebtInstrumentCovenantMinimumEquityCapitalAmount

ora:DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents
us-gaap:InvestmentType

ora:DeferredTaxAssetsBeforeUncertainTaxBenefits

ora:DeferredTaxAssetsLeaseLiabilities

ora:DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset

ora:DeferredTaxAssetsLiabilitiesGross

ora:DeferredTaxAssetsStockOptionsAmortization

ora:DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts

ora:DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset

ora:DeferredTaxLiabilitiesWithholdingTax

ora:DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation

ora:DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal

ora:DepositsAndOtherAssetsNoncurrent
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
ora:DerivativesCashCollateralDeposits

ora:InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses
us-gaap:JointlyOwnedUtilityPlant

ora:LiabilityAssociatedWithSaleOfTaxBenefits

ora:LimitedAndNonRecourseDebt
us-gaap:DebtInstrument

ora:LimitedAndNonRecourseDebtCurrent

ora:LimitedAndNonrecourseDebtNoncurrent
us-gaap:DebtInstrument
ora:LineOfCreditFacilityBorrowingCapacityIncrease
us-gaap:IncomeTaxAuthority
ora:OperatingLossCarryforwardsAvailableForIndefinitePeriod
us-gaap:IncomeTaxAuthority
ora:OperatingLossCarryforwardsExpiringAmount
us-gaap:FairValueByMeasurementBasis
ora:OtherLongTermDebtFairValueDisclosure
dei:LegalEntity, us-gaap:Range
ora:PercentageForRoyaltyToBePaid

ora:PercentageOfCompanyAssets
us-gaap:StatementScenario

ora:PropertyPlantAndEquipmentIncludingConstructionInProgressNet
dei:LegalEntity
us-gaap:CapitalizedContractCost
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

ora:PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet
us-gaap:ConsolidatedEntities

ora:RecourseDebt
us-gaap:DebtInstrument

ora:RecourseDebtCurrent

ora:RecourseDebtNoncurrent
dei:LegalEntity
ora:RoyaltyCapAmount
dei:LegalEntity
ora:RoyaltycapAmountLIBORRate

ora:SchedulingAndTransmissionCurrent
us-gaap:PlanName
ora:ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber
us-gaap:CounterpartyName, us-gaap:DebtInstrument
ora:SuretyBondsOutstanding

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccruedRoyaltiesCurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:JointlyOwnedUtilityPlant
us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:BalanceSheetLocation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CapitalizedCostsAssetRetirementCosts

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashFDICInsuredAmount

us-gaap:CashUninsuredAmount

us-gaap:ContractWithCustomerAssetGross

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiability
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetInterestCarryforward

us-gaap:DeferredTaxAssetsInvestments
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DepositsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeAssetsCurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeAssetsNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFixedInterestRate
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeLiabilitiesCurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueNetAssetLiability
us-gaap:FairValueByMeasurementBasis

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName
us-gaap:IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName, us-gaap:SubsequentEventType, us-gaap:TaxPeriod

us-gaap:InterestPayableCurrent

us-gaap:InventoryFinishedGoodsAndWorkInProcessNetOfReserves

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves
us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:DebtInstrument

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent
us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:LoansPayableFairValueDisclosure
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrument
us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument
us-gaap:NonRecourseDebt
us-gaap:DebtInstrument
us-gaap:NotesPayableFairValueDisclosure
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OtherLoansPayableCurrent

us-gaap:OtherLoansPayableLongTerm
us-gaap:LongtermDebtType

us-gaap:OtherLongTermDebtNoncurrent

us-gaap:OtherReceivablesNetCurrent

us-gaap:ProductWarrantyAccrualClassifiedCurrent

us-gaap:ReceivablesLongTermContractsOrPrograms

us-gaap:RecordedUnconditionalPurchaseObligation
us-gaap:PurchaseCommitmentExcludingLongtermCommitment

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndInvestmentsCurrent
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RestructuringReserveNoncurrent

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:ProductOrService

us-gaap:SeniorLongTermNotes

us-gaap:SeniorNotesCurrent

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:UnbilledContractsReceivable

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Liability
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Inventories
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ███▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.0560.0560.0560.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.050.050.050.050.0490.0490.0490.0490.0490.0490.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.046NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock███▇▇▇▇▇▇▇▇▁▁▇▇▇▇▇▇▁▇▁▇▇▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇55.99755.98455.98351.06951.06751.03651.03250.99350.86250.75250.70.050630.0506350.61750.60950.59749.9149.70649.6670.04963549.5670.0493249.10749.03549.00248.8280.04553745.53145.51945.47945.46145.45445.43145.43145.43145.43145.43145.43145.43145.43145.43145.43145.43145.43145.431NA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ██▆▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▄▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁56.31656.73553.55151.28251.36251.52651.51151.33451.09451.01250.93650.96350.95851.05151.05350.86750.62450.49150.29350.28950.13749.78249.66851.11350.648.07946.01846.10245.96345.6645.6145.49445.44845.43145.43145.43145.43845.43745.43145.4445.44345.43145.4545.4545.43145.457
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ██▆▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁55.99255.98853.10651.07251.04351.03651.01750.93350.850.70950.69150.64550.62350.61450.60750.36749.77149.6849.64749.59949.45649.17349.07449.02348.88147.24445.53745.6945.60645.47945.46145.43845.43145.43145.43145.43145.43145.43145.43145.43145.43145.43145.43145.43145.43145.431
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.17410.0139NANA0.1413280.004535NA0.0024950.1743340.249908NA0.3881930.2329250.062409NA0.0088510.0023630.011491NA0.2251910.1358750.177978NA0.3419460.6364871.037612NANANA3.349877NA4.9992985.3026135.161802NA5.4235485.3377725.134381NA2.8843144.2721243.025249NA2.245192.791204NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 COGS Ratio us-gaap:ProductOrService ora:EnergyStorageAndManagementServices▄█▄▄▂▁▃▂▂▃▂▁▁▂5.62712.7215.8025.6622.5141.8464.263.4842.9564.0022.4281.151.2052.862NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:Electricity▆██▄▅▇█▄▅▇▇▃▄▆▅▂▂▃▃▂▁▂133.864144.988146.192123.66128.685142.856144.368123.978129.079142.908138.32116.891122.179132.489128.045110.876110.896115.776114.628109.795104.001107.868NANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:Product▁▁▃▃▅▅▅▅▆▆▅▅▆▅▄▅▇█▆█▆▅7.418.64327.38829.62543.70147.41143.81443.03752.0352.12849.71748.43954.91548.67237.86244.91267.58774.12251.89174.82255.8643.726NANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments ora:ElectricitySegment▆██▄▅▇█▄▅▇▇▃▄▆▅▂▂▃▃▂▁133.864144.988146.192123.66128.685142.856144.368123.978129.079142.908138.32116.891122.179132.489125.767112.273111.777115.776114.628109.795104.001NANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments ora:ProductSegment▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▅▅▅█▄▅▅█▄▅▄▅▅▅▅▁▅▅▅▁▅▅7.418.64327.38829.62543.70147.41143.81443.03752.0352.12849.71748.43954.91548.67237.86244.91267.58774.122190.25714.83555.8643.726177.4110.65849.56130.27855.95737.73635.91147.619-120.08141.75564.96650.608-101.30154.68544.826NANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▇██████▇▇██▇▇██▇███████▇▇▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▆▆28.61949.88953.19551.68648.07561.05754.47238.71946.8853.72567.98225.90236.63354.59348.443.9753.15259.49651.22948.22351.88750.54349.08846.47938.64329.85134.80143.78822.3342.57121.61529.79737.8628.511-221.00714.18825.99225.74217.30624.20819.3743.1194.238NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▇▇▇▇▇▇▇▇▇▇▇▇▆██▇▇▇▇▇▇▇▇█▇▆▆▇▆▇▆▇▇▆▁▆▆▆▅▆▆▆▆▇▆▆12.314.95929.58114.09722.78721.02514.812.49332.15823.78915.80711.492-1.73173.30567.2820.39935.17935.8932.00113.41522.3626.08928.16567.81417.8666.7295.83214.4775.01221.5168.12212.89225.254-2.024-222.43-0.3678.6047.818-43.050.7027.894-9.0514.40132.398-1.5131.761
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▄▃▅█▄▅▃▁▄▃▅▁▄▆▅▅▅▅▄▄▂▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂2.3011.9973.7947.7512.7633.4861.866-1.0512.4431.8624.578-0.4582.4285.1183.5824.0063.6134.4122.5952.3260.5841.6741.161.5220.8590.2350.1630.2560.1770.2370.1930.2110.2110.0850.1360.0670.0810.130.080.1370.1050.010.078-0.058-0.057-0.053
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▇▇▇▇▇▇▆▇▇▇▆▆██▇▇▇▇▇▇▇▇█▇▆▆▇▆▇▆▆▇▆▁▆▆▆▅▆▆▆▆▇▆▆14.60116.95633.37521.84825.5524.51116.66611.44234.60125.65120.38511.0340.69778.42370.86224.40538.79240.30234.59615.74122.94427.76329.32569.33618.7256.9645.99514.7335.18921.7538.31513.10325.465-1.939-222.294-0.38.6857.948-42.970.8397.999-9.0414.47932.34-1.571.708
us-gaap:CostOfGoodsAndServicesSold ▄▄▆▆▆▆▇▇▇█▅▇█▆▅▅▆▇▅▆▄▄▆▅▄▂▄▃▄▄▄▄▅▄▄▅▄▄▄▂▂▃▂▂▂▁94.92692.705104.341104.917109.514110.295117.94115.004118.918124.85999.656117.688120.837110.651102.00997.992108.871115.48899.882110.12894.06587.721106.935103.5289.70476.20694.38384.76787.64688.97788.00190.993102.29893.97894.055103.59689.77192.55890.74375.07871.46182.82774.73676.29477.61366.96
us-gaap:GeneralAndAdministrativeExpense ██▇▆▄▆▆▅▆▆▁▅▆▅▄▄▅▄▄█▃▃▃▃▂▄▃▂▂▃▃▂▂▂▃▂▂▂▂▂▂▂▃▂▂▂18.2418.60617.07214.53911.28514.34814.03211.93114.18115.6894.42913.60615.86613.8499.85410.87712.2019.94910.08519.0938.7838.7499.1857.957.44310.2047.7677.1796.0727.5968.9246.5467.1346.657.9526.2086.7937.3147.136.2697.4797.0077.6465.786.9967.02
us-gaap:GrossProfit ▄▆▇▅▆▇▆▅▆▆█▄▅▆▆▅▆▆▆▆▆▆▆▅▄▄▅▅▃▅▄▃▄▂▂▃▃▃▃▃▃▁▁▂▁▁51.97573.64775.04154.0365.38681.81874.50255.49565.14774.17990.80948.79257.46273.37264.35659.19370.49374.4166.63774.48965.79663.87364.13959.33250.78344.02554.8655.47539.95753.45942.90439.75650.38127.73222.02732.54140.06639.79432.99135.76333.15314.99318.09725.18318.65315.694
us-gaap:IncomeLossFromContinuingOperations NANA23.53223.09825.2729.90614.12715.08936.19728.1323.08910.1072.65974.25668.08727.55911.84639.617NA14.40624.93330.94524.14873.66115.27310.2677.14316.779.31321.7898.35513.14321.39-4.949-225.061-2.2477.5348.025NANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▇▇█████▇▇██▇▇██████▇████▇▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▇▇█▇▇18.85820.29444.97239.57835.37848.78941.08523.6331.46641.12248.29311.40831.37646.10440.02533.44645.03952.2236.68329.04733.96741.39136.20238.58322.31316.50119.02324.11314.39428.3066.9818.50227.161-0.68-236.0132.20913.18813.6226.6680.7697.3-7.967-2.62744.415-5.908-5.098
us-gaap:IncomeTaxExpenseBenefit ▄▄▆▅▅▆▆▅▄▅▇▄▆▂▂▅▅▅▄▅▅▅▅▁▅▄▅▅▄▅▄▄▅▄▃▄▄▄█▄▄▄▃▅▄▄4.2683.00721.72815.36111.76618.14825.4779.626-3.52914.03931.3861.18429.105-26.942-29.66911.0036.36910.8862.4511.9887.899.50911.438-38.2116.0565.4599.8776.4444.9676.321.4765.2015.781.217-14.7451.4794.3095.45749.261-0.305-1.0070.586-7.10711.931-3.365-2.557
us-gaap:InterestExpense ▅▆▆▇▆▅▅▆▇▇▇▅▄▃▃▂▃▄▄▅▅▄▅▅▆▅▆▇▇▆▇▅▅▄▆▄▃▄▄█▅▃▁▂▁▁18.62619.01619.13921.75619.78517.27317.56820.07621.51721.22322.03418.715.84614.34412.98711.69214.5414.92315.82817.13718.40116.02318.14217.74818.85917.82819.5722.49422.07220.51821.9518.45917.50415.86319.52815.414.26314.87815.02823.90917.44213.0810.37210.9619.4269.714
us-gaap:NetIncomeLoss ▇▇▇▇▇▇▇▇▇▇▇▇▆██▇▇▇▇▇▇▇▇█▇▇▆▇▇▇▆▇▇▆▁▆▆▆▅▆▆▆▆▇▆▆13.02615.25920.69815.67923.04626.03312.60615.60533.93825.94618.2210.581-0.34369.50865.9619.18135.03635.31228.2312.0824.34929.27122.98872.13914.41410.0326.9816.5149.13621.5528.16212.9525.185-1.982-222.384-0.5828.6417.895-43.080.8668.133-8.9754.45832.459-1.4371.838
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▅▅▅█▅▆▅▃▅▅▁▄▅▆▂▆▆▆▂▅▄▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄2.1692.572.8347.4192.2243.8731.521-0.5162.2592.184-4.869-0.4743.0024.748-3.4673.5993.2064.423-3.0022.3260.5841.6741.161.5220.8590.2350.1630.2560.1770.2370.1930.1930.3220.0850.1360.0670.0810.130.080.1370.1050.010.078-0.058-0.057-0.053
us-gaap:OperatingIncomeLoss ▇██████▇▇██▇▇██▇███████▇▇▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▆▆▇▆▆28.61949.88953.19551.68648.07561.05754.47238.71946.8853.72567.98225.90236.63354.59348.443.9753.15259.49651.22948.22351.88750.54349.08846.47938.64329.85134.80143.78822.3342.57121.61529.79737.8628.511-221.00714.18825.99225.74217.30624.20819.3743.1194.23814.8182.3072.205
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax 0.198NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▅▂█▇▆▄▇▁▅▃▄▅▁▇▆▆▇▅0.416-1.8262.2161.3210.921-0.6451.247-2.1910.482-1.348-0.772-0.091-2.4961.5280.8961.0051.4610.078NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▄▄▄▅▄▄▄▄▅▄▄▄█▄▄▃▄▄▄▁▄▄▄▄▃▄▄▄▄▄▄▄▄▅▄▄▄▄▄▄▅▄▄▄▄▄-0.021-0.3310.0750.9610.3040.078-0.4820.2441.0270.0910.1170.3097.373-0.020.012-1.5920.006-0.092-0.039-5.5460.0490.191-0.468-0.131-1.6750.2830.1070.2430.3430.0630.0090.1370.0291.4170.2460.2150.29-0.1610.2060.3470.915-0.7970.3140.2330.079-0.359
us-gaap:ProfitLoss ▇▇▇▇▇▇▇▇▇▇▇▆▆██▇▇▇▇▇▇▇▇█▇▆▆▇▆▇▆▇▇▆▁▆▆▆▅▆▆▆▆▇▆▆15.19517.82923.53223.09825.2729.90614.12715.08936.19728.1323.08910.1072.65974.25669.42722.7838.24239.73531.23214.40624.93330.94524.14873.66115.27310.2677.14316.779.31321.7898.35513.14325.507-1.897-222.248-0.5158.7228.025-43.01.0038.238-8.9654.53632.401-1.4941.785
us-gaap:ResearchAndDevelopmentExpense ▃▃▃▄▃▄▅▃▃▃▃▂▄▃▃▃▃▂▃▃▂▂▂▂▂▂▂▂▂▁▄▃▄▃▅▄▄▃▄▆▆▅▅▄█▇1.1280.8761.1141.491.1721.6191.8751.0620.810.91.1180.7061.2511.1080.7890.7161.050.6020.7321.0860.5950.3490.6680.3350.4140.3630.3880.250.232-0.0871.5190.8381.6081.02.161.4361.4641.0481.6732.3462.5752.2071.9871.2523.6143.267
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▆▇▇▆▇██▇▇██▇▇▇▇▆▇█▇▁▇▆▇▇▆▅▆▆▅▆▅▅▆▅▅▆▅▅▅▅▄▄▄▄▄▄146.901166.352179.382158.947174.9192.113192.442170.499184.065199.038190.465166.48178.299184.023166.365157.185179.364189.898166.51914.835159.861151.594171.074162.852140.487120.231149.243140.242127.603142.436130.905130.749152.679121.71116.082136.137129.837132.352123.734110.841104.61497.8292.833101.47796.26682.654
us-gaap:Revenues NANA179.382158.947174.9192.113192.442170.499184.065199.038190.465166.48178.299184.023166.365157.185179.364189.898166.51914.835159.861151.594171.074162.852140.487120.231149.243140.242127.603142.436130.905130.749152.679121.71116.082136.137129.837132.352123.734110.841104.61497.8292.833101.47796.26682.654
us-gaap:SellingAndMarketingExpense ▂▂▂▂▃▃▂▂▂▂▂▆▂▂▂▂▂▂▂▃▂▂▂▂▂▂▃▂▁▂▄▁▂█▁▂▃▃▄▁▂▁▂▂▁▁3.9884.2763.664.0764.8544.7944.1233.7833.2763.8653.8138.5783.7123.6993.5173.634.094.3634.2884.7933.6683.6753.9784.3834.2833.4334.5724.2583.2163.3796.7522.5753.77711.5713.0893.4454.6664.9226.8822.943.7252.664.2263.3332.6863.202
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ███▇▆▆▆▆▆▅▅▅▅▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁3818.553859.2133888.9873520.9473418.3773445.6133250.4943259.4933193.7813143.2143121.353059.5832994.1492710.8172586.6622503.7382510.6332499.8882461.5692279.2712273.0132260.1342293.0442286.3332276.552183.3332121.5562171.9132144.9292134.3472159.4332168.3352137.92143.5682094.1142258.3632294.12327.7692314.7182210.7212110.8132093.9472043.3281964.7091940.759NA
us-gaap:Liabilities ▇███▇█▆▆▆▆▆▅▅▃▂▂▂▃▃▁▁▂▂▂▃▃▃▃▃▃▄▄▄▄▃▃▃▄▄▂▂▁▁1848.8241899.6281937.721940.4011851.761902.561725.8341745.9641693.321671.5141667.6511621.3651567.0841318.9891259.7871239.8121277.1361298.1921286.791138.3571155.5781161.8011209.171228.3761282.7371364.1611334.811388.3691374.3291368.6531414.3221431.3651414.1851437.0491391.9161335.2091369.8891411.7321408.0741262.6161163.0961153.9111098.101NANANA
us-gaap:LiabilitiesAndStockholdersEquity ███▇▆▆▆▆▅▅▅▅▅▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▂▂▂▂▁▁▁3818.553859.2133888.9873520.9473418.3773445.6133250.4943259.4933193.7813143.2143121.353059.5832994.1492710.8172586.6622503.7382510.6332499.8882461.5692279.2712273.0132260.1342293.0442286.3332276.552183.3332121.5562171.9132144.9292134.3472159.4332168.3352137.92143.5682094.1142258.3632294.12327.7692314.7182210.7212110.8132093.9472043.328NANANA
us-gaap:StockholdersEquity ███▆▆▅▅▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▂▂▂▂▃▃▂▃1825.0831816.6081805.9851439.7421428.3971409.0651392.421380.7331369.5611340.3491319.8371305.6951295.7081300.3851236.1371156.5641143.2741107.6581078.4251040.0291027.0561005.655990.001962.555895.858807.342774.923771.822757.812752.969732.74724.632711.41694.621695.102915.975916.449908.193898.718940.096939.659931.861939.132NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▆▇█▅▅▆▄▄▄▄▄▄▃▂▂▃▃▄▄▂▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁587.989724.935779.154532.591517.069584.286415.664432.31412.351421.621473.064421.774395.634322.13321.646332.245387.236428.749472.83309.372380.236379.565375.136370.732369.506307.06273.874327.381306.823292.613289.34299.099268.485299.813276.234266.522275.463275.473292.185248.672215.425230.98204.654NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▇█▄▃▄▂▂▂▂▂▂▂▁▁▂▂▃▄▂▄▃▄▃▃▂▁▁▂▁▁▁▁▁▂▁▂▂▂▂▁▁▂▁▁▁250.009376.63448.252197.309173.718231.14971.17397.602110.66579.36698.80271.96566.69654.72347.81877.212118.39174.138230.21490.066192.556148.498185.919171.541137.66570.72440.2342.45180.1247.92757.35435.43528.89357.62766.62837.52466.68484.5899.88659.07744.33840.67582.81549.2454.19543.111
us-gaap:AccountsReceivableNetCurrent ▆▆▆▇█▇▇▆▆▆▆▅▄▄▄▄▃▂▃▂▂▃▂▂▂▂▁▃▃▂▄▂▂▁▂▃▁▁▁▂▃▂▂137.688139.711149.17157.497179.757168.924154.525139.226135.756139.87137.581118.675109.061103.58110.4198.38479.58768.9280.80765.19859.04276.46555.30152.31358.08956.348.60975.22478.76455.67695.36560.52667.54542.77955.6880.16642.31543.54551.27453.08472.18570.49154.495NANANA
us-gaap:InventoryNet ▅▇▆▆▇▆▆▇▇██▆▆▃▃▂▂▂▁▁▂▂▂▂▂▂▂▂▂▃▃▃▂▂▃▂▂▂▁▂▂▂▁28.52638.40835.32134.38438.93234.10734.94939.32438.8842.98245.02437.44236.69620.06919.55118.68518.56917.80412.012.97316.6916.79518.07416.59516.40117.28616.9317.33718.29222.67122.28920.39617.90618.25820.66917.78618.11917.212.54117.89914.40814.55412.538NANANA
 us-gaap:OtherAssetsCurrent us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityPrimaryBeneficiary,ora:PowerPurchaseAgreementNANA30.917NANANA29.076NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherAssetsCurrent us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityPrimaryBeneficiary,ora:ProjectDebtNANA133.017NANANA164.386NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▃▃▂▁▁▁▂▁▁▂█▇▆▆▆▆▆▆▇▆▇▅▅▅▅▄▅▆▆▅▄▆▅▄▅▅▄▃▃▃▃20.2222.61315.3549.69610.94811.45612.66712.1169.22518.22451.44144.45239.83642.27440.26941.72741.15140.48245.86738.9444.33435.13533.33434.01131.05529.56634.88436.87938.15633.72829.65436.72435.83930.15134.14431.49724.46719.86318.67222.97222.481NA14.929NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NoncurrentAssets NANA2606.24NANANA2379.537NANANA2221.267NANANA2133.289NANANA1941.239NANANA1857.129NANANA1790.071NANANA1803.274NANANA1715.877NANANA1956.346NANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:KENANA289.266NANANA284.526NANANA301.956NANANA340.97NANANA327.157NANANA375.257NANANA330.2NANANA338.395NANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA2084.021NANANA1870.335NANANA1696.439NANANA1510.986NANANA1414.523NANANA1374.465NANANA1369.136NANANA1387.449NANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical ora:OtherForeignCountriesNANA232.953NANANA224.676NANANA222.872NANANA281.333NANANA199.559NANANA107.407NANANA90.735NANANA77.43NANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA3494.59NANANA3225.949NANANA3097.806NANANA2717.797NANANA2436.858NANANA2344.789NANANA2126.553NANANA2053.401NANANA1771.428NANANA1973.326NANANA1790.661NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:EnergyEquipmentNANA63.562NANANA32.896NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA40.157NANANA38.049NANANA38.06NANANA32.178NANANA31.904NANANA31.465NANANA31.465NANANA30.336NANANA32.396NANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA8.477NANANA7.757NANANA5.718NANANA3.984NANANA3.848NANANA3.691NANANA3.42NANANA3.386NANANA1.339NANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MachineryAndEquipmentNANA271.981NANANA230.465NANANA208.646NANANA182.121NANANA152.821NANANA133.457NANANA123.807NANANA101.104NANANA100.499NANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:OfficeEquipmentNANA43.555NANANA39.099NANANA35.708NANANA31.128NANANA28.634NANANA29.247NANANA17.15NANANA17.492NANANA15.218NANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:VehiclesNANA8.96NANANA8.021NANANA22.074NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementGeographical,us-gaap:PropertyPlantAndEquipmentByType country:US,ora:GeothermalAndRecoveredEnergyGenerationPowerPlantsNANA2296.415NANANA2160.91NANANA2065.377NANANA1744.728NANANA1658.195NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementGeographical,us-gaap:PropertyPlantAndEquipmentByType ora:ForeignCountries,ora:GeothermalAndRecoveredEnergyGenerationPowerPlantsNANA732.537NANANA721.824NANANA710.775NANANA700.498NANANA541.626NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ConstructionInProgressGross █▇▇▆▅▅▅▄▃▂▂▄▃▄▃▄▅▄▃▂▁▁▂▁▂▁▃▂▂▂▃▄▃▆▅▄▃▅▄▅▄531.634471.548479.315463.073394.123413.789376.555352.013306.81266.083261.69351.288316.447345.563293.542350.872408.939351.636306.709271.853241.199220.981248.835230.561277.99230.037296.722268.349247.901249.777288.827335.915295.635439.301396.141367.762325.206413.998370.551399.002337.969NA270.634NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA1395.543NANANA1254.534NANANA1138.228NANANA983.106NANANA880.48NANANA785.454NANANA688.916NANANA601.065NANANA544.67NANANA454.794NANANA365.194NANANA
us-gaap:PropertyPlantAndEquipmentNet NANA2099.047NANANA1971.415NA1963.0861962.581959.5781835.9391840.5581723.561734.6911621.0121526.4851542.6871556.3781570.3071562.3151570.0741559.3351580.3791519.9451535.7571437.6371459.3161468.0121463.5741452.3361383.3531415.1631207.411226.7581491.4111560.1271505.5431518.5321422.451417.9311426.4851425.467NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityPrimaryBeneficiary,ora:PowerPurchaseAgreementNANA770.055NANANA668.891NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityPrimaryBeneficiary,ora:ProjectDebtNANA1208.165NANANA1211.656NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ▅▅▅▅▄▄▄▄▄▄▄██▄▄▄▄▄▁▁24.86324.23724.56623.58420.1219.96320.1419.93320.22520.12319.9540.11140.13321.25321.03720.66720.12119.716.657.071NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇▇██▇▇▇▇▇████▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂185.508189.249194.421197.002179.659182.305186.22188.815193.142196.125199.874203.382207.20684.77185.4286.80686.98686.852.75356.05224.23625.05625.87526.20227.02927.84628.65529.48130.30231.12231.93333.03233.86134.68135.49236.31937.14537.96338.78137.86438.676NA40.274NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA194.421NANANA186.22NANANA199.874NANANA85.42NANANA52.753NANANA25.875NANANA28.655NANANA31.933NANANA35.492NANANANANANA39.47940.274NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass ora:IntangibleAssetsRelatedToStorageActivitiesNANA47.2NANANA30.2NANANA32.2NANANA33.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass ora:PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivitiesNANA194.4NANANA186.2NANANA199.9NANANA85.4NANANA52.8NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA31.327NANANA32.384NANANA52.437NANANANANANANANANANANANANANANA-66.943NANANA-53.621NANANA-10.825NANANA-52.823NANANA-12.117NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▃▃▃▃▃▃▃███▁19.76515.62716.34716.76217.63817.61117.40558.1758.92160.6560.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityPrimaryBeneficiary,ora:PowerPurchaseAgreementNANA60.143NANANA40.138NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityPrimaryBeneficiary,ora:ProjectDebtNANA156.0NANANA162.995NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ▄▇█▇█▇▇▆▄▄▅▄▃▃█▃▃▃▂▃▂▂▂▂▃▂▂▁▁▃▃▂▂▁▃▃▄▃▄▃▁▁▂108.408148.071152.763144.473149.591140.867141.857137.176115.011108.309116.362105.351103.342103.551153.796103.335101.82795.51891.65102.85487.51182.48791.95585.22698.48183.67688.27678.41179.893.8298.04783.75190.65178.40698.00196.516106.26498.993105.11299.36276.60776.74385.549NANANA
us-gaap:AccruedIncomeTaxesCurrent NANA19.913NANANA11.344NANANA8.436NANANA43.682NANANA8.824NANANA11.353NANANA3.164NANANA0.224NANANA1.467NANANA1.464NANANA5.305NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▆▅▅▃▂▂▁▂▆▇█13.45212.68611.1797.6835.5995.9372.7556.00314.1315.50818.402NANANA20.241NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▃▃▃▃▅█▅▅▃▃▅▅▄▂▃▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁246.229254.234248.647236.303404.646567.319376.476352.723276.594268.09361.944396.365341.031205.211283.345193.456214.177207.491189.251201.905193.145185.045188.501180.737217.366244.854205.753197.043225.994211.828186.339194.109208.591194.209212.134189.17198.32187.654193.77187.676145.126142.551137.722NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃▃▃▃▃▃▃▅█▆▁2.9782.9352.9223.0263.0162.9742.7436.2539.9067.5320.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA9.082NANANA9.466NANANA9.551NANANA14.998NANANA7.953NANANA6.808NANANA5.674NANANA7.554NANANA9.467NANANA3.96NANANA3.13NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt NANA1474.174NANANA1167.912NANANA1128.997NANANA877.064NANANA956.532NANANA920.465NANANA1001.41NANANA965.84NANANA957.323NANANA810.961NANANANANANANA
 us-gaap:LongTermDebt us-gaap:ConsolidatedEntities,us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName us-gaap:VariableInterestEntityPrimaryBeneficiary,ora:ProjectDebtNANA730.177NANANA794.214NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:CounterpartyName,us-gaap:SubsequentEventType ora:TGGeothermalPortfolioLLC,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:UnsecuredLongTermDebt ▇███▄▃▃▃▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁674.643698.271717.534696.868415.751286.505286.453286.401353.554353.626303.575303.528303.527303.469203.752203.715203.678203.649203.577203.483249.632249.665249.981250.058250.136250.212250.289250.366250.443250.52250.596250.674250.751250.827250.904250.982249.888249.964250.042250.119250.189251.425142.003NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▁▁▇█▇▅88.15687.42187.972101.886104.013100.96997.126NANANA61.323NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest █████▇▇▇▇▇▇▇▇▅▅▅▅▅▆▆▆▆▆▆▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁134.772133.271135.452132.061128.414124.586122.99124.055122.08122.646125.259124.001123.08984.584.32277.46284.32588.84391.58295.91390.37992.67893.87395.40297.95511.8311.82311.72212.78812.72512.37112.33812.30511.8987.0967.1797.7627.8447.9268.0098.0588.1756.095NANANA
us-gaap:OtherLiabilitiesNoncurrent ▂▂▂▃▃▃▂▂▂▂▄▆▆▆▅▅▆█▆▅▂▂▁▁▁▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂6.0946.0866.2357.8127.8147.8676.8385.45.4995.46416.08722.35421.81721.62518.85319.12122.82332.1321.29420.8627.0535.0181.7760.6970.6973.8722.9563.6334.835.2823.5294.5764.9234.9175.1482.8573.7894.0214.2534.2424.4734.7044.961NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▆▆▆▇▇▇█▇█▁16.53112.33212.89713.40714.20114.03514.00817.69815.29617.6670.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA2.539NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA1.902NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA1.625NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA1.44NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA9.559NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ███▆▆▅▅▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▂▂▂▂▃▃▂▃1825.0831816.6081805.9851439.7421428.3971409.0651392.421380.7331369.5611340.3491319.8371305.6951295.7081300.3851236.1371156.5641143.2741107.6581078.4251040.0291027.0561005.655990.001962.555895.858807.342774.923771.822757.812752.969732.74724.632711.41694.621695.102915.975916.449908.193898.718940.096939.659931.861939.132NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂1959.8551949.8791941.4371571.8031556.8111533.6511515.411504.7881491.6411462.9951445.0961429.6961418.7971384.8851320.4591257.4451227.5991196.5011170.0071135.9421117.4351098.3331083.8741057.957993.813819.172786.746783.544770.6765.694745.111736.97723.715706.519702.198923.154924.211916.037906.644948.105947.717940.036945.227938.815907.079909.364
us-gaap:CommonStockValue ███▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.0560.0560.0560.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.050.050.050.050.0490.0490.0490.0490.0490.0490.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.046NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ███▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1267.4511264.8281262.446920.21917.403915.139913.15910.651906.366903.723901.363896.16892.601890.485888.778896.005875.591871.176869.463859.855856.827854.26849.223846.998845.173771.591742.006740.651738.842736.735735.295737.125734.997733.683732.14730.583728.873727.403725.746724.074722.522720.801716.731NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █████▇▇▇▇▇▆▆▆▆▆▅▅▄▄▄▄▃▃▃▂▂▂▂▂▂▁▁▁▁▁▄▄▄▃▄▄▄▄565.222558.644550.103534.984524.864507.537487.873480.879470.88442.531422.222410.87405.353410.758351.622289.561274.566243.508216.644191.627183.018162.195148.396128.35259.15547.67341.53936.83522.59715.737-3.088-13.066-24.2-39.717-37.735184.649187.048180.226172.331215.411216.362210.046221.311NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▅▅▁▂▂▄▃▄▅▆▇▇▇▆▅▅▅▄▃▂▇▄▂▄▂▄▅▆██████████████-7.646-6.92-6.62-15.503-13.921-13.662-8.654-10.848-7.736-5.956-3.799-1.386-2.297-0.909-4.314-5.634-6.933-7.076-7.732-11.503-12.838-0.581-7.667-12.844-8.519-11.971-8.668-5.71-3.6730.4510.4870.5270.5670.6090.6510.6970.4820.5180.5950.5650.7290.9681.044NANANA
us-gaap:MinorityInterest █████▇▇▇▇▇▇▇▇▅▅▅▅▅▆▆▆▆▆▆▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁134.772133.271135.452132.061128.414124.586122.99124.055122.08122.646125.259124.001123.08984.584.32277.46284.32588.84391.58295.91390.37992.67893.87395.40297.95511.8311.82311.72212.78812.72512.37112.33812.30511.8987.0967.1797.7627.8447.9268.0098.0588.1756.095NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁2.6232.097NA2.8072.2641.989NA2.2282.6432.362.8363.5592.1161.7071.5561.8613.631.7131.7741.7240.8170.8420.8780.9211.0291.1271.2631.5021.3661.441.7141.6911.3141.5431.5571.711.471.6571.6721.5521.7211.7272.741.6671.5541.416
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁█0.4263.898NA3.749NA3.007NA1.3262.7674.1463.071.5251.7034.6743.2813.4387.7876.80746.7694.872.8832.869NANANANA0.062NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▆▃▇▇▇▄▅▇▇▅▄▅▃▇▅▅▇▂▄█▄▆▂▄▇▄▇▄▆▅▃▂▃▄▁▄▅▄▆▃▃▃▃29.9268.92426.11584.53674.59879.75635.04145.37378.64277.43742.66636.10647.28119.76979.04252.37542.69571.4631.25838.45492.52927.04467.0610.23929.57983.14734.46575.19135.50368.07654.53412.2761.73418.21627.087-9.69530.20541.87434.2259.00826.4413.06621.75920.71NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▃▄▂▄▄▅▄▅▆▆▅▁▅▃▅▅▃▆▅▇▆▇█▆▆█▃█▆▆▇▇▄▆█▇▅▄▄▆▃▆▆▆▅-137.038-117.474-92.999-133.943-78.207-80.82-61.527-78.843-63.224-50.944-50.884-55.36-168.156-68.034-106.551-67.465-65.367-128.738-33.342-69.9-10.669-44.62-14.4332.895-32.176-47.2576.273-106.4236.311-35.323-28.955-25.029-4.925-98.244-47.17913.417-4.695-62.333-102.816-102.445-27.817-107.924-50.8-44.006-44.033-64.981
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂█▄▁▅▂▃▂▂▃▃▅▃▂▂▂▂▅▁▂▂▂▃▄▂▂▂▂▂▂▃▂▄▃▂▂▂▄▃▂▃▃▃▃▃-28.169-22.807313.48688.57-66.673168.095-1.11832.979-6.587-31.03931.30731.583131.56456.677-1.885-26.088-33.0761.199172.232-71.044-37.802-19.845-38.24920.74269.538-5.396-42.959-6.437-9.621-42.18-3.6619.295-25.54371.02749.196-32.882-43.4065.153109.40558.1765.0452.71862.61618.34144.42313.545
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▂█▄▂▇▃▃▄▃▄▄▄▄▃▃▂▃-135.202-71.699247.23639.708-69.942166.666-26.927-1.6029.175-5.03122.42912.32910.6898.412-23.128-48.129-66.117-30.459NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:IncreaseDecreaseInInventories ▁▆▅▃▇▅▄▅▄▄█▅▅▅▅▅▃▇▅▃▅▄▆▅▅▅▅▅▃▅▆▆▅▄▆▅▅▇▃▆▅▆▄▅▃▇-9.8823.0870.387-4.5484.825-0.842-1.720.444-2.206-2.0187.590.7470.4780.5030.8610.106-5.6975.8-0.958-3.955-0.105-1.2791.4790.194-0.8850.356-0.407-0.955-4.3790.3821.8932.49-0.352-2.4112.883-0.3330.9194.659-5.3583.491-0.1462.016-2.077-0.56-4.8394.528
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▆▃▇▇▇▄▅▇▇▅▄▅▃▇▅▅▇▂▄█▄▆▂▄▇▄▇▄▆▅▃▂▃▄▁▄▅▄▆▃▃▃▃29.9268.92426.11584.53674.59879.75635.04145.37378.64277.43742.66636.10647.28119.76979.04252.37542.69571.4631.25838.45492.52927.04467.0610.23929.57983.14734.46575.19135.50368.07654.53412.2761.73418.21627.087-9.69530.20541.87434.2259.00826.4413.06621.75920.71NANA
us-gaap:NetIncomeLoss ▇▇▇▇▇▇▇▇▇▇▇▇▆██▇▇▇▇▇▇▇▇█▇▇▆▇▇▇▆▇▇▆▁▆▆▆▅▆▆▆▆▇▆▆13.02615.25920.69815.67923.04626.03312.60615.60533.93825.94618.2210.581-0.34369.50865.9619.18135.03635.31228.2312.0824.34929.27122.98872.13914.41410.0326.9816.5149.13621.5528.16212.9525.185-1.982-222.384-0.5828.6417.895-43.080.8668.133-8.9754.45832.459-1.4371.838
us-gaap:ProfitLoss ▇▇▇▇▇▇▇▇▇▇▇▆▆██▇▇▇▇▇▇▇▇█▇▆▆▇▆▇▆▇▇▆▁▆▆▆▅▆▆▆▆▇▆▆15.19517.82923.53223.09825.2729.90614.12715.08936.19728.1323.08910.1072.65974.25669.42722.7838.24239.73531.23214.40624.93330.94524.14873.66115.27310.2677.14316.779.31321.7898.35513.14325.507-1.897-222.248-0.5158.7228.025-43.01.0038.238-8.9654.53632.401-1.4941.785
us-gaap:ShareBasedCompensation ▅▄▆▆▅▄▄▅▆▅▆█▄▃▃▄█▃▃▃▁▁▁▁▂▂▂▃▂▃▃▃▂▃▃▃▃▃▃▃▃▃▆▃▃▂2.6232.0972.772.8072.2641.9892.1272.2282.6432.362.8363.5592.1161.7071.5561.8613.631.7131.7741.7240.8170.8420.8780.9211.0291.1271.2631.5021.3661.441.7141.6911.3141.5431.5571.711.471.6571.6721.5521.7211.7272.741.6671.5541.416
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▃▄▂▄▄▅▄▅▆▆▅▁▅▃▅▅▃▆▅▇▆▇█▆▆█▃█▆▆▇▇▄▆█▇▅▄▄▆▃▆▆▆▅-137.038-117.474-92.999-133.943-78.207-80.82-61.527-78.843-63.224-50.944-50.884-55.36-168.156-68.034-106.551-67.465-65.367-128.738-33.342-69.9-10.669-44.62-14.4332.895-32.176-47.2576.273-106.4236.311-35.323-28.955-25.029-4.925-98.244-47.17913.417-4.695-62.333-102.816-102.445-27.817-107.924-50.8-44.006-44.033-64.981
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▃▃▃▃▃▃▃▃▂▇▃▃▃█▁▁119.99287.89688.95480.5370.87980.37589.45675.6563.57751.303190.78267.73966.55163.109233.86725.36713.957NANANANANANANANANANANANANANANANANANANANANA88.90671.157NANANA55.755NANA
 us-gaap:PaymentsToAcquireProductiveAssets us-gaap:CounterpartyName,us-gaap:SubsequentEventType ora:TGGeothermalPortfolioLLC,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂█▄▁▅▂▃▂▂▃▃▅▃▂▂▂▂▅▁▂▂▂▃▄▂▂▂▂▂▂▃▂▄▃▂▂▂▄▃▂▃▃▃▃▃-28.169-22.807313.48688.57-66.673168.095-1.11832.979-6.587-31.03931.30731.583131.56456.677-1.885-26.088-33.0761.199172.232-71.044-37.802-19.845-38.24920.74269.538-5.396-42.959-6.437-9.621-42.18-3.6619.295-25.54371.02749.196-32.882-43.4065.153109.40558.1765.0452.71862.61618.34144.42313.545
us-gaap:PaymentsOfDividendsCommonStock ▃▄▃▃▃▃▃▃▃▃▃▃▃▆▂▂▂▄▂▂▂█▂▂▂▂▁▁▁▁▁6.4486.7185.5795.5595.7195.6145.6125.6065.5895.5795.0685.0645.06211.643.8994.1863.9788.4483.2133.4713.52615.4722.9442.9422.9323.8982.2762.2762.2762.7271.82NANANA0.01.817NANA0.01.8171.8172.292.2692.2712.2695.455
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:AdditionalMigdalLoanNANA4.6e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:DonACampbell1Dac1NANA4.03e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:OlkariaIVLoanDEG3NANA6.04e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:OlkariaIVLoanDeg2NANA6.28e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:PlatanaresFinanceAgreementNANA7.02e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:SecondAddendumMigdalLoanNANA5.4400000000000004e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:SeniorUnsecuredBondsSeries3NANA4.450000000000001e-06NANANANANANANANANANANANANANANANA4.4499999999999995e-08NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument ora:SeniorUnsecuredLoanMigdalNANA4.8e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:DoeLoanGuarantee,ora:NonrecourseDebtNANA2.6e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant,ora:TrancheOneNANA6.3399999999999994e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant,ora:TrancheThreeNANA6.12e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant,ora:TrancheTwoNANA6.29e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:OrmatFundingCorp,ora:SeriesASeniorNotesNANA4.69e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:OrmatFundingCorp,ora:SeriesCSeniorNotesNANA4.61e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:PrudentialCapitalGroupAgreement,ora:NonrecourseDebtNANA5.7999999999999995e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType ora:PrudentialCapitalPurchaseAgreement,ora:NonrecourseDebtNANA6.75e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:SubsequentEventType ora:HSBCLoan,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:SubsequentEventType ora:HapoalimLoan,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:SubsequentEventType ora:SeniorUnsecuredBondsSeries4,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value56000.056000.056000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.050000.050000.050000.050000.049000.049000.049000.049000.049000.049000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value55555551515151505050500.050630.050635050504949490.049635490.04932494949480.0455374545454545454545454545454545454545454545
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value56565351515151515151505050515150505050505049495150484646454545454545454545454545454545454545
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value55555351515151505050505050505050494949494949494948474545454545454545454545454545454545454545
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value174100.013900.0141330.04535.02495.0174330.0249910.0388190.0232920.062409.08851.02363.011491.0225190.0135880.0177980.0341950.0636490.01037600.03349900.04999300.05302600.05161800.05423500.05337800.05134400.02884300.04272100.03025200.02245200.02791200.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value121429142221141232231511-1.7317367203535321322262867176.7295.832145.012218.1221225-2.024-222.43-0.3678.6047.818-43.050.7027.894-9.0514.40132-1.5131.761
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.49.016.58.913.010.97.77.317.512.08.36.9-1.039.840.413.019.618.919.290.414.017.216.541.612.75.63.910.33.915.16.29.916.5-1.7-191.6-0.36.65.9-34.80.67.5-9.34.731.9-1.62.1

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.3011.9973.7947.7512.7633.4861.866-1.0512.4431.8624.578-0.4582.4285.1183.5824.0063.6134.4122.5952.3260.5841.6741.161.5220.8590.2350.1630.2560.1770.2370.1930.2110.2110.0850.1360.0670.0810.130.080.1370.1050.010.078-0.058-0.057-0.053
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.61.22.14.91.61.81.0-0.61.30.92.4-0.31.42.82.22.52.02.31.615.70.41.10.70.90.60.20.10.20.10.20.10.20.10.10.10.00.10.10.10.10.10.00.1-0.1-0.1-0.1

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1416332125241611342520110.6977870243840341522272969186.9645.995145.189218.3151325-1.939-222.294-0.38.6857.948-42.970.8397.999-9.0414.47932-1.571.708
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.910.218.613.714.612.88.76.718.812.910.76.60.442.642.615.521.621.220.8106.114.418.317.142.613.35.84.010.54.115.36.410.016.7-1.6-191.5-0.26.76.0-34.70.87.6-9.24.831.9-1.62.1

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value949210410410911011711511812499117120110102971081159911094871061038976948487888890102939410389929075718274767766
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax64.655.758.266.062.657.461.367.564.662.752.370.767.860.161.362.360.760.860.0742.458.857.962.563.663.963.463.260.468.762.567.269.667.077.281.076.169.169.973.367.768.384.780.575.280.681.0

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

ora:EnergyStorageAndManagementServices


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.2664.785.0464.212.8551.9495.0683.8073.8275.212.2352.1742.0283.443
Percentage of CostOfGoodsAndServicesSold5.55.24.84.02.61.84.33.33.24.22.21.81.73.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.62.92.82.61.61.02.62.22.12.61.21.31.11.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax ora:EnergyStorageAndManagementServices93.637.687.074.4113.6105.6119.0109.3129.5130.292.1189.0168.3120.3

us-gaap:Electricity


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value83798076717181807377637981737565656669666263
Percentage of CostOfGoodsAndServicesSold88.286.176.773.165.764.769.069.762.062.163.967.867.266.473.567.160.157.269.260.466.272.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax57.048.044.648.241.137.142.347.040.139.033.448.045.639.945.141.836.534.841.5448.138.942.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Electricity62.655.154.862.055.950.056.464.657.254.346.068.366.555.558.659.359.057.060.360.659.859.0

us-gaap:Product


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.9248.0741924343631314142333537332632434930433124
Percentage of CostOfGoodsAndServicesSold6.28.718.422.931.733.526.727.034.733.733.830.331.130.526.532.939.942.830.839.633.827.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.04.910.715.119.819.216.418.222.421.217.721.421.118.316.220.524.226.018.4294.219.915.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Product79.993.470.281.179.478.071.872.279.480.867.873.668.469.371.371.764.366.759.258.357.055.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value181817141114141114154.4291315139.85410129.94910198.7838.7499.1857.957.443107.7677.1796.0727.5968.9246.5467.1346.657.9526.2086.7937.3147.136.2697.4797.0077.6465.786.9967.02
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.411.29.59.16.57.57.37.07.77.92.38.28.97.55.96.96.85.26.1128.75.55.85.44.95.38.55.25.14.85.36.85.04.75.56.94.65.25.55.85.77.17.28.25.77.38.5

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value51737554658174556574904857736459707466746563645950445455395342395027223240393235331418251815
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax35.444.341.834.037.442.638.732.535.437.347.729.332.239.938.737.739.339.240.0502.141.242.137.536.436.136.636.839.631.337.532.830.433.022.819.023.930.930.126.732.331.715.319.524.819.419.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value232325291415362823102.6597468271139142430247315107.143169.313218.3551321-4.949-225.061-2.2477.5348.025
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.114.514.415.67.38.819.714.112.16.11.540.440.917.56.620.997.115.620.414.145.210.98.54.812.07.315.36.410.114.0-4.1-193.9-1.75.86.1

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1820443935484123314148113146403345523629334136382216192414286.981827-0.68-236.0132.20913136.6680.7697.3-7.967-2.62744-5.908-5.098
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.812.225.124.920.225.421.313.917.120.725.46.917.625.124.121.325.127.522.0195.821.227.321.223.715.913.712.717.211.319.95.314.217.8-0.6-203.31.610.210.35.40.77.0-8.1-2.843.8-6.1-6.2

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.2683.00721151118259.626-3.52914311.18429-26.942-29.669116.369102.45117.899.50911-38.2116.0565.4599.8776.4444.9676.321.4765.2015.781.217-14.7451.4794.3095.45749-0.305-1.0070.586-7.10711-3.365-2.557
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.91.812.19.76.79.413.25.6-1.97.116.50.716.3-14.6-17.87.03.65.71.580.84.96.36.7-23.54.34.56.64.63.94.41.14.03.81.0-12.71.13.34.139.8-0.3-1.00.6-7.711.8-3.5-3.1

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18191921191717202121221815141211141415171816181718171922222021181715191514141523171310109.4269.714
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.711.410.713.711.39.09.111.811.710.711.611.28.97.87.87.48.17.99.5115.511.510.610.610.913.414.813.116.017.314.416.814.111.513.016.811.311.011.212.121.616.713.411.210.89.811.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value131520152326121533251810-0.343696519353528122429227214106.98169.136218.1621225-1.982-222.384-0.5828.6417.895-43.080.8668.133-8.9754.45832-1.4371.838
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.99.211.59.913.213.66.69.218.413.09.66.4-0.237.839.612.219.518.617.081.415.219.313.444.310.38.34.711.87.215.16.29.916.5-1.6-191.6-0.46.76.0-34.80.87.8-9.24.832.0-1.52.2

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.1692.572.8347.4192.2243.8731.521-0.5162.2592.184-4.869-0.4743.0024.748-3.4673.5993.2064.423-3.0022.3260.5841.6741.161.5220.8590.2350.1630.2560.1770.2370.1930.1930.3220.0850.1360.0670.0810.130.080.1370.1050.010.078-0.058-0.057-0.053
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.51.51.64.71.32.00.8-0.31.21.1-2.6-0.31.72.6-2.12.31.82.3-1.815.70.41.10.70.90.60.20.10.20.10.20.10.10.20.10.10.00.10.10.10.10.10.00.1-0.1-0.1-0.1

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2849535148615438465367253654484353595148515049463829344322422129378.511-221.0071425251724193.1194.238142.3072.205
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax19.530.029.732.527.531.828.322.725.527.035.715.620.529.729.128.029.631.330.8325.132.533.328.728.527.524.823.331.217.529.916.522.824.87.0-190.410.420.019.414.021.818.53.24.614.62.42.7

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

ora:ElectricitySegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value304749504558493243516120274641363640352332
Percentage of OperatingIncomeLoss104.995.793.898.495.496.091.483.692.796.090.577.875.085.085.282.368.068.769.049.663.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax20.428.727.832.026.230.525.919.023.625.932.312.115.425.224.823.020.121.521.2161.120.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax ora:ElectricitySegment22.432.90.041.135.641.00.026.133.736.10.017.222.535.00.032.232.335.30.021.831.6

ora:ProductSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-0.427-1.2114.1851.2853.8033.8726.7956.8265.3074.252107.3109.5537.1457.7651718152419152218175.897171112119.4079.065158.9625.0317.3847.816
Percentage of OperatingIncomeLoss-1.5-2.47.92.57.96.312.517.611.37.915.428.229.417.514.817.732.031.331.050.436.831.246.839.045.919.849.626.057.427.443.530.440.2105.3-2.352.030.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.3-0.72.30.82.22.03.54.02.92.15.54.46.05.24.34.99.59.89.6163.911.910.413.411.112.64.911.68.110.08.27.26.910.07.44.35.46.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax ora:ProductSegment-5.8-14.00.04.38.78.20.015.910.28.20.015.119.619.60.017.325.225.10.0163.934.136.00.0170.135.819.50.030.135.724.50.021.723.417.70.013.517.4

us-gaap:AllOtherSegments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.9723.351-0.894-0.446-1.603-1.445-2.127-0.469-1.902-2.078-4.009-1.548-1.59-1.372-0.167-1.074-1.897
Percentage of OperatingIncomeLoss-3.46.7-1.7-0.9-3.3-2.4-3.9-1.2-4.1-3.9-5.9-6.0-4.3-2.5-0.3-2.4-3.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.72.0-0.5-0.3-0.9-0.8-1.1-0.3-1.0-1.0-2.1-0.9-0.9-0.7-0.1-0.7-1.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AllOtherSegments-17.326.30.0-7.9-63.8-78.30.0-13.5-64.3-51.90.0-134.6-132.0-47.90.0-76.9-215.3

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-30
Value198000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.1

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value416000.0-1826000.02216000.01321000.0921000.0-645000.01247000.0-2191000.0482000.0-1348000.0-772000.0-91000.0-2496000.01528000.0896000.01005000.01461000.078000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.3-1.11.20.80.5-0.30.6-1.30.3-0.7-0.4-0.1-1.40.80.50.60.80.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value284000.0-1253000.0989000.0382000.0-258000.0-1656000.0298000.0-1026000.0-481000.0-107000.0-1922000.01158000.0781000.0679000.01054000.089000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax68.368.674.941.540.075.661.876.162.3117.677.075.887.267.672.1114.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.2-0.80.60.2-0.1-1.00.2-0.5-0.3-0.1-1.10.60.50.40.60.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value132000.0-573000.0332000.0539000.0-387000.0-535000.0184000.0-322000.0-291000.016000.0-574000.0370000.0115000.0326000.0407000.0-11000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax31.731.425.158.560.024.438.223.937.7-17.623.024.212.832.427.9-14.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.1-0.30.20.3-0.2-0.30.1-0.2-0.20.0-0.30.20.10.20.2-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value284000.0-1253000.0989000.0382000.0-258000.0-1656000.0298000.0-1026000.0-481000.0-107000.0-1922000.01158000.0781000.0679000.01054000.089000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax68.368.674.941.540.075.661.876.162.3117.677.075.887.267.672.1114.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.2-0.80.60.2-0.1-1.00.2-0.5-0.3-0.1-1.10.60.50.40.60.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-21000.0-331000.075000.0961000.0304000.078000.0-482000.0244000.01027000.091000.0117000.0309000.07373000.0-20000.012000.0-1592000.06000.0-92000.0-39000.0-5546000.049000.0191000.0-468000.0-131000.0-1675000.0283000.0107000.0243000.0343000.063000.09000.0137000.029000.01417000.0246000.0215000.0290000.0-161000.0206000.0347000.0915000.0-797000.0314000.0233000.079000.0-359000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.0-0.20.00.60.20.0-0.30.10.60.00.10.24.1-0.00.0-1.00.0-0.0-0.0-37.40.00.1-0.3-0.1-1.20.20.10.20.30.00.00.10.01.20.20.20.2-0.10.20.30.9-0.80.30.20.1-0.4

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1517232325291415362823102.659746922383931142430247315107.143169.313218.3551325-1.897-222.248-0.5158.7228.025-43.01.0038.238-8.9654.53632-1.4941.785
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.310.713.114.514.415.67.38.819.714.112.16.11.540.441.714.521.320.918.897.115.620.414.145.210.98.54.812.07.315.36.410.116.7-1.6-191.5-0.46.76.1-34.80.97.9-9.24.931.9-1.62.2

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.1280.8761.1141.491.1721.6191.8751.0620.810.91.1180.7061.2511.1080.7890.7161.050.6020.7321.0860.5950.3490.6680.3350.4140.3630.3880.250.232-0.0871.5190.8381.6081.02.161.4361.4641.0481.6732.3462.5752.2071.9871.2523.6143.267
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.80.50.60.90.70.81.00.60.40.50.60.40.70.60.50.50.60.30.47.30.40.20.40.20.30.30.30.20.2-0.11.20.61.10.81.91.11.10.81.42.12.52.32.11.23.84.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1461661791581741921921701841991901661781841661571791891661415915117116214012014914012714213013015212111613612913212311010497921019682
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments

us-gaap:AccountingStandardsUpdate201409, ora:ElectricitySegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value20192015151617133217
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.211.511.59.48.98.79.07.917.68.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.211.511.59.48.98.79.07.917.68.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccountingStandardsUpdate201409 ora:ElectricitySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ConsolidationItems

srt:ConsolidationEliminations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-51.038-25.334-17.252-36.839-50.453-8.656-26.355-20.831-19.167-18.26194-9.236-11.453-24.827170-28.248-16.565-16.21392-14.835-19.266
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-34.7-15.2-9.6-23.2-28.8-4.5-13.7-12.2-10.4-9.249.5-5.5-6.4-13.5102.2-18.0-9.2-8.555.3-100.0-12.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-34.7-15.2-9.6-23.2-28.8-4.5-13.7-12.2-10.4-9.249.5-5.5-6.4-13.5102.2-18.0-9.2-8.555.3-100.0-12.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value51251736508.656262019183.3019.2361124482816162014191.9417.2451010191.1387.2441520-66.9794.329186.581-81.285118.941
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax34.715.29.623.228.84.513.712.210.49.21.75.56.413.528.918.09.28.512.0100.012.11.34.26.57.816.40.85.212.314.5-51.23.312.35.4-70.08.16.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax34.715.29.623.228.84.513.712.210.49.21.75.56.413.528.918.09.28.512.0100.012.11.34.26.57.816.40.85.212.314.5-51.23.312.35.4-70.08.17.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:MaterialReconcilingItems, ora:ProductSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-30
Value51251736508.65626203.3019.236
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax34.715.29.623.228.84.513.712.21.75.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax34.715.29.623.228.84.513.712.21.75.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:MaterialReconcilingItems ora:ProductSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService

ora:EnergyStorageAndManagementServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.627125.8025.6622.5141.8464.263.4842.9564.0022.4281.151.2052.862
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.87.63.23.61.41.02.22.01.62.01.30.70.71.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.87.63.23.61.41.02.22.01.62.01.30.70.71.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax ora:EnergyStorageAndManagementServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value133144146123128142144123129142138116122132128110110115114109104107
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax91.187.281.577.873.674.475.072.770.171.872.670.268.572.077.070.561.861.068.8740.165.171.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax91.187.281.577.873.674.475.072.770.171.872.670.268.572.077.070.561.861.068.8740.165.171.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value7.418.6432729434743435252494854483744677451745543
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.05.215.318.625.024.722.825.228.326.226.129.130.826.422.828.637.739.031.2504.434.928.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.05.215.318.625.024.722.825.228.326.226.129.130.826.422.828.637.739.031.2504.434.928.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementBusinessSegments

ora:ElectricitySegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value133144146123128142144123129142138116122132125112111115114109104
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax91.187.281.577.873.674.475.072.770.171.872.670.268.572.075.671.462.361.068.8740.165.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax91.187.281.577.873.674.475.072.770.171.872.670.268.572.075.671.462.361.068.8740.165.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax ora:ElectricitySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:ProductSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value7.418.6432729434743435252494854483744677419014554317710493055373547-120.081416450-101.3015444
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.05.215.318.625.024.722.825.228.326.226.129.130.826.422.828.637.739.0114.3100.034.928.8103.76.535.325.237.526.928.133.4-91.731.942.641.6-87.340.234.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.05.215.318.625.024.722.825.228.326.226.129.130.826.422.828.637.739.0114.3100.034.928.8103.76.535.325.237.526.928.133.4-91.731.942.641.6-87.340.235.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax ora:ProductSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllOtherSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.627125.8025.6622.5141.8464.263.4842.9564.0022.4281.151.2052.8620.4581.3970.881
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.87.63.23.61.41.02.22.01.62.01.30.70.71.60.30.90.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.87.63.23.61.41.02.22.01.62.01.30.70.71.60.30.90.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value93113106798593988092106101667486
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax63.968.359.349.948.748.951.247.050.253.653.139.841.747.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax63.968.359.349.948.748.951.247.050.253.653.139.841.747.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value53527379899893909192
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax36.131.740.750.151.351.148.853.049.846.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax36.131.740.750.151.351.148.853.049.846.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

country:US, ora:ElectricitySegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8798967380919371769184647383
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax59.659.553.646.046.047.748.542.241.846.044.239.041.045.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax59.659.553.646.046.047.748.542.241.846.044.239.041.045.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:US ora:ElectricitySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, ora:ProductSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.6471.8534.3880.4352.2690.3981.9714.8161211140.2810.0270.194
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.41.12.40.31.30.21.02.86.85.67.60.20.00.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.41.12.40.31.30.21.02.86.85.67.60.20.00.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:US ora:ProductSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:AllOtherSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.627125.8025.6622.5141.8463.1553.4842.9564.0022.4281.151.2052.862
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.87.63.23.61.41.01.62.01.62.01.30.70.71.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.87.63.23.61.41.01.62.01.62.01.30.70.71.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:US us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs, ora:ElectricitySegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value46465050485150525251
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax31.527.727.931.827.626.626.530.528.325.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax31.527.727.931.827.626.626.530.528.325.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NonUs ora:ElectricitySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs, ora:ProductSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.7636.792329414741383940
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.64.112.818.423.724.521.722.421.520.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.64.112.818.423.724.521.722.421.520.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NonUs ora:ProductSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1791581741921921701841991901661781841661571791891661415915117116214012014914012714213013015212111613612913212311010497921019682
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.9884.2763.664.0764.8544.7944.1233.7833.2763.8653.8138.5783.7123.6993.5173.634.094.3634.2884.7933.6683.6753.9784.3834.2833.4334.5724.2583.2163.3796.7522.5753.777113.0893.4454.6664.9226.8822.943.7252.664.2263.3332.6863.202
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.72.62.02.62.82.52.12.21.81.92.05.22.12.02.12.32.32.32.632.32.32.42.32.73.02.93.13.02.52.45.22.02.59.52.72.53.63.75.62.73.62.74.63.32.83.9

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value3818385938883520341834453250325931933143312130592994271025862503251024992461227922732260229322862276218321212171214421342159216821372143209422582294232723142210211020932043196419401864
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Assetsus-gaap:
Period End2020-12-312019-12-31
Value1032877
Percentage of Assets26.527.0
Percentage of Assets26.527.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Assetsus-gaap:
Period End2020-12-312019-12-31
Value16111630
Percentage of Assets41.450.2
Percentage of Assets41.450.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value10310498918476817371717134
Percentage of Assets2.72.72.52.62.52.22.52.32.22.32.31.3
Percentage of Assets2.72.72.52.62.52.22.52.32.22.32.31.3
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:MaterialReconcilingItems, ora:ElectricitySegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value10310498918476817371717134
Percentage of Assets2.72.72.52.62.52.22.52.32.22.32.31.3
Percentage of Assets2.72.72.52.62.52.22.52.32.22.32.31.3
Percentage of Assets us-gaap:MaterialReconcilingItems ora:ElectricitySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

ora:ElectricitySegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3530357736073236315031393044305029922950289628592805254225082371232322332204213720312044
Percentage of Assets92.592.792.891.992.291.193.793.693.793.992.893.593.793.897.094.792.689.389.693.889.489.2
Percentage of Assets92.592.792.891.992.291.193.793.693.793.992.893.593.793.897.094.792.689.389.693.889.489.2
Percentage of Assets ora:ElectricitySegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:ProductSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-31
Value1221401451481902301261251281251561251251141151311872172571412412112481821962011588811713014112098971078991
Percentage of Assets3.23.63.84.25.66.73.93.94.04.05.04.14.24.24.55.37.48.710.46.210.69.410.88.08.69.27.54.15.56.16.65.54.64.64.83.94.0
Percentage of Assets3.23.63.84.25.66.73.93.94.04.05.04.14.24.24.55.37.48.710.46.210.69.410.88.08.69.27.54.15.56.16.65.54.64.64.83.94.0
Percentage of Assets ora:ProductSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllOtherSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1651411351367775798272676774635350525049
Percentage of Assets4.33.73.53.92.32.22.42.52.32.12.22.42.12.02.02.12.02.0
Percentage of Assets4.33.73.53.92.32.22.42.52.32.12.22.42.12.02.02.12.02.0
Percentage of Assets us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1848189919371940185119021725174516931671166716211567131812591239127712981286113811551161120912281282136413341388137413681414143114141437139113351369141114081262116311531098952
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.449.249.855.154.255.253.153.653.053.253.453.052.348.748.749.550.951.952.349.950.851.452.753.756.362.562.963.964.164.165.566.066.167.066.559.159.760.660.857.155.155.153.751.1

us-gaap:Liabilities us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value5445
Percentage of Liabilities2.82.7
Percentage of Assets1.41.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement5.35.2

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value896946
Percentage of Liabilities46.254.8
Percentage of Assets23.029.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt55.658.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value38183859388835203418344532503259319331433121305929942710258625032510249924612279227322602293228622762183212121712144213421592168213721432094225822942327231422102110209320431864
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1825181618051439142814091392138013691340131913051295130012361156114311071078104010271005990962895807774771757752732724711694695915916908898940939931939906
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.847.146.440.941.840.942.842.442.942.642.342.743.348.047.846.245.544.343.845.645.244.543.242.139.437.036.535.535.335.333.933.433.332.433.240.639.939.038.842.544.544.546.048.7

us-gaap:StockholdersEquity us-gaap:StatementScenario

ora:CovenantRequirementMinimum


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value750600600600600600600600
Percentage of StockholdersEquity41.543.145.548.555.660.677.481.9
Percentage of Assets19.318.519.223.224.426.228.327.8
Percentage of Assets ora:CovenantRequirementMinimum0.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value587724779532517584415432412421473421395322321332387428472309380379375370369307273327306292289299268299276266275275292248215230204195
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.418.820.015.115.117.012.813.312.913.415.213.813.211.912.413.315.417.219.213.616.716.816.416.216.214.112.915.114.313.713.413.812.614.013.211.812.011.812.611.210.211.010.010.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value25037644819717323171971107998716654477711817423090192148185171137704042804757352857663766849959444082495443463447
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.59.811.55.65.16.72.23.03.52.53.22.42.22.01.83.14.77.09.44.08.56.68.17.56.03.21.92.03.72.22.71.61.42.73.21.72.93.64.32.72.11.94.12.52.80.02.50.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1371391491571791681541391351391371181091031109879688065597655525856487578559560674255804243515372705453
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.63.84.55.34.94.84.34.34.44.43.93.63.84.33.93.22.83.32.92.63.42.42.32.62.62.33.53.72.64.42.83.22.02.73.51.81.92.22.43.43.42.72.9

us-gaap:AccountsReceivableNetCurrent us-gaap:StatementGeographical

us-gaap:NonUs


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value104102111129151135118102
Percentage of AccountsReceivableNetCurrent75.973.674.681.984.380.076.974.1
Percentage of Assets2.72.72.93.74.43.93.73.3
Percentage of Assets us-gaap:NonUs0.00.00.00.00.00.00.00.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2838353438343439384245373620191818171212161618161617161718222220171820171817121714141215
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.71.00.91.01.11.01.11.21.21.41.41.21.20.70.80.70.70.70.50.60.70.70.80.70.70.80.80.80.91.11.00.90.80.91.00.80.80.70.50.80.70.70.60.8

Other Assets Current

us-gaap:OtherAssetsCurrent us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherAssetsCurrent

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Other
Period End2020-12-312019-12-31
Value3029
Percentage of OtherAssetsCurrent100.0100.0
Percentage of Assets0.80.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement3.03.3

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Other
Period End2020-12-312019-12-31
Value133164
Percentage of OtherAssetsCurrent430.2565.4
Percentage of Assets3.45.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt8.310.1

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2022159.696101112129.225185144394240414140453844353334312934363833293635303431241918222214
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.60.40.30.30.30.40.40.30.61.61.51.31.61.61.71.61.61.91.72.01.61.51.51.41.41.61.71.81.61.41.71.71.41.61.41.10.90.81.01.10.7

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2606237922212133194118571790180317151956
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets67.073.271.282.578.981.084.483.581.984.5

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:KE


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value289284301340327375330338
Percentage of NoncurrentAssets11.112.013.616.016.920.218.418.8
Percentage of Assets7.48.89.713.213.316.415.615.7
Percentage of Assets country:KE0.00.00.00.00.00.00.00.0

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value20841870169615101414137413691387
Percentage of NoncurrentAssets80.078.676.470.872.974.076.576.9
Percentage of Assets53.657.554.358.457.559.964.564.3
Percentage of Assets country:US0.00.00.00.00.00.00.00.0

ora:OtherForeignCountries


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2322242222811991079077
Percentage of NoncurrentAssets8.99.410.013.210.35.85.14.3
Percentage of Assets6.06.97.110.98.14.74.33.6
Percentage of Assets ora:OtherForeignCountries0.00.00.00.00.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value34943225309727172436234421262053177119731790
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets89.999.299.2105.199.0102.3100.295.184.685.387.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:EnergyEquipment


Property
Period End2020-12-312019-12-31
Value6332
Percentage of PropertyPlantAndEquipmentGross1.81.0
Percentage of Assets1.61.0
Percentage of Assets us-gaap:EnergyEquipment0.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value403838323131313032
Percentage of PropertyPlantAndEquipmentGross1.11.21.21.21.31.31.51.51.8
Percentage of Assets1.01.21.21.21.31.41.51.41.5
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value8.4777.7575.7183.9843.8483.6913.423.3861.339
Percentage of PropertyPlantAndEquipmentGross0.20.20.20.10.20.20.20.20.1
Percentage of Assets0.20.20.20.20.20.20.20.20.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value271230208182152133123101100
Percentage of PropertyPlantAndEquipmentGross7.87.16.76.76.35.75.84.95.7
Percentage of Assets7.07.16.77.06.25.85.84.74.8
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.0

us-gaap:OfficeEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value433935312829171715
Percentage of PropertyPlantAndEquipmentGross1.21.21.21.11.21.20.80.90.9
Percentage of Assets1.11.21.11.21.21.30.80.80.7
Percentage of Assets us-gaap:OfficeEquipment0.00.00.00.00.00.00.00.00.0

us-gaap:Vehicles


Property
Period End2020-12-312019-12-312018-12-31
Value8.968.02122
Percentage of PropertyPlantAndEquipmentGross0.30.20.7
Percentage of Assets0.20.20.7
Percentage of Assets us-gaap:Vehicles0.00.00.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

country:US, ora:GeothermalAndRecoveredEnergyGenerationPowerPlants


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value22962160206517441658
Percentage of PropertyPlantAndEquipmentGross65.767.066.764.268.0
Percentage of Assets59.066.566.267.567.4
Percentage of Assets country:US ora:GeothermalAndRecoveredEnergyGenerationPowerPlants0.00.00.00.00.0

ora:ForeignCountries, ora:GeothermalAndRecoveredEnergyGenerationPowerPlants


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value732721710700541
Percentage of PropertyPlantAndEquipmentGross21.022.422.925.822.2
Percentage of Assets18.822.222.827.122.0
Percentage of Assets ora:ForeignCountries ora:GeothermalAndRecoveredEnergyGenerationPowerPlants0.00.00.00.00.0

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value531471479463394413376352306266261351316345293350408351306271241220248230277230296268247249288335295439396367325413370399337270
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.912.212.313.211.512.011.610.89.68.58.411.510.612.711.314.016.314.112.511.910.69.810.910.112.210.514.012.411.611.713.415.513.820.518.916.314.217.816.018.016.013.2

us-gaap:ConstructionInProgressGross us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value2412081982190.182813166149163104
Percentage of ConstructionInProgressGross45.544.341.547.40.040.139.846.439.8
Percentage of Assets6.35.45.16.20.04.84.65.03.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgressGross us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Construction
Period End2020-12-312019-12-31
Value171139
Percentage of ConstructionInProgressGross35.837.1
Percentage of Assets4.44.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement16.615.9

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Construction
Period End2020-12-312019-12-31
Value2710
Percentage of ConstructionInProgressGross5.72.7
Percentage of Assets0.70.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt1.70.6

us-gaap:ConstructionInProgressGross us-gaap:NatureOfExpense, us-gaap:PropertyPlantAndEquipmentByType

ora:DrillingAndConstructionCosts, ora:ProjectsUnderConstruction


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value379258160198202150187184283
Percentage of ConstructionInProgressGross79.168.661.367.865.960.563.264.071.7
Percentage of Assets9.78.05.17.78.26.68.88.613.6
Percentage of Assets ora:DrillingAndConstructionCosts ora:ProjectsUnderConstruction0.00.00.00.00.00.00.00.00.0

ora:DrillingAndConstructionCosts, us-gaap:ConstructionInProgress


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value379258160198202150187184283246176
Percentage of ConstructionInProgressGross79.168.661.367.865.960.563.264.071.766.665.4
Percentage of Assets9.78.05.17.78.26.68.88.613.610.78.7
Percentage of Assets ora:DrillingAndConstructionCosts us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

ora:ExplorationAndDevelopmentCosts, ora:ProjectsUnderExplorationAndDevelopment


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value45665346363545383240
Percentage of ConstructionInProgressGross9.517.820.315.711.914.415.513.28.210.9
Percentage of Assets1.22.11.71.81.51.62.21.81.51.7
Percentage of Assets ora:ExplorationAndDevelopmentCosts ora:ProjectsUnderExplorationAndDevelopment0.00.00.00.00.00.00.00.00.00.0

ora:InterestCapitalized, ora:ProjectsUnderConstruction


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value9.5265.9612.8613.251127.9758.2736.94815
Percentage of ConstructionInProgressGross2.01.61.11.14.03.22.82.43.9
Percentage of Assets0.20.20.10.10.50.30.40.30.7
Percentage of Assets ora:InterestCapitalized ora:ProjectsUnderConstruction0.00.00.00.00.00.00.00.00.0

ora:InterestCapitalized, ora:ProjectsUnderExplorationAndDevelopment


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.7030.7030.7030.7030.7030.7030.8361.2781.2781.5980.1
Percentage of ConstructionInProgressGross0.10.20.30.20.20.30.30.40.30.40.0
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.0
Percentage of Assets ora:InterestCapitalized ora:ProjectsUnderExplorationAndDevelopment0.00.00.00.00.00.00.00.00.00.00.0

ora:InterestCapitalized, us-gaap:ConstructionInProgress


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9.5265.9612.8613.251127.9758.2736.94815137.79
Percentage of ConstructionInProgressGross2.01.61.11.14.03.22.82.43.93.72.9
Percentage of Assets0.20.20.10.10.50.30.40.30.70.60.4
Percentage of Assets ora:InterestCapitalized us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

ora:UpFrontBonusLeaseCosts, ora:ProjectsUnderConstruction


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value392727273727272729
Percentage of ConstructionInProgressGross8.27.310.59.412.311.09.39.57.4
Percentage of Assets1.00.80.91.11.51.21.31.31.4
Percentage of Assets ora:UpFrontBonusLeaseCosts ora:ProjectsUnderConstruction0.00.00.00.00.00.00.00.00.0

ora:UpFrontBonusLeaseCosts, ora:ProjectsUnderExplorationAndDevelopment


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.34717171717262630333633
Percentage of ConstructionInProgressGross1.14.56.55.85.710.69.010.48.69.912.4
Percentage of Assets0.10.50.50.70.71.21.31.41.61.61.6
Percentage of Assets ora:UpFrontBonusLeaseCosts ora:ProjectsUnderExplorationAndDevelopment0.00.00.00.00.00.00.00.00.00.00.0

ora:UpFrontBonusLeaseCosts, us-gaap:ConstructionInProgress


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3927272737272727293131
Percentage of ConstructionInProgressGross8.27.310.59.412.311.09.39.57.48.411.5
Percentage of Assets1.00.80.91.11.51.21.31.31.41.31.5
Percentage of Assets ora:UpFrontBonusLeaseCosts us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType

ora:ProjectsUnderConstruction


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value427291190229252185223219328
Percentage of ConstructionInProgressGross89.277.572.978.282.274.775.375.982.9
Percentage of Assets11.09.06.18.910.28.110.510.215.7
Percentage of Assets ora:ProjectsUnderConstruction0.00.00.00.00.00.00.00.00.0

ora:ProjectsUnderExplorationAndDevelopment


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5184706354627369677854
Percentage of ConstructionInProgressGross10.822.527.121.817.825.324.724.117.121.220.2
Percentage of Assets1.32.62.32.52.22.73.53.23.23.42.7
Percentage of Assets ora:ProjectsUnderExplorationAndDevelopment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value427291190229252185223219328291215
Percentage of ConstructionInProgressGross89.277.572.978.282.274.775.375.982.978.879.8
Percentage of Assets11.09.06.18.910.28.110.510.215.712.610.6
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value139512541138983880785688601544454365
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.938.636.538.035.834.332.527.826.019.617.9

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2020-12-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2099197119631962195918351840172317341621152615421556157015621570155915801519153514371459146814631452138314151207122614911560150515181422141714261425998
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.060.661.562.462.860.061.563.667.164.760.861.763.268.968.769.568.069.166.870.367.867.268.468.667.363.866.256.358.666.068.064.765.664.367.268.169.853.6

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Property
Period End2020-12-312019-12-31
Value770668
Percentage of PropertyPlantAndEquipmentNet36.733.9
Percentage of Assets19.820.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement74.676.2

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Property
Period End2020-12-312019-12-31
Value12081211
Percentage of PropertyPlantAndEquipmentNet57.661.5
Percentage of Assets31.137.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt75.074.3

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2424242320192019202019404021212020196.657.071
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.60.60.70.60.60.60.60.60.60.61.31.30.80.80.80.80.80.30.3

us-gaap:Goodwill us-gaap:BusinessAcquisition

ora:PomonaEnergyStorage


Goodwillus-gaap:
Period End2020-07-20
Value3.5
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets ora:PomonaEnergyStorage0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

ora:ElectricitySegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value202020202020201920202026267.82120206.7
Percentage of Goodwill81.282.983.485.299.9100.299.899.899.999.9100.366.666.536.799.8100.299.9100.8
Percentage of Assets0.50.50.50.60.60.60.60.60.60.60.60.90.90.30.80.80.80.3
Percentage of Assets ora:ElectricitySegment0.60.60.60.60.60.60.70.70.70.70.70.91.00.30.80.90.90.3

ora:EnergyStorageAndManagementServices


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-30
Value4.64.14.13.50.00.00.0
Percentage of Goodwill18.516.916.714.80.00.00.0
Percentage of Assets0.10.10.10.10.00.00.0
Percentage of Assets ora:EnergyStorageAndManagementServices0.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1851891941971791821861881931961992032078485868686525624252526272728293031313333343536373738373840
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.94.95.05.65.35.35.75.86.06.26.46.66.93.13.33.53.53.52.12.51.11.11.11.11.21.31.41.41.41.51.51.51.61.61.71.61.61.61.71.71.82.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-03-312010-12-312009-12-31
Value194186199855225283135394041
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.05.76.43.32.11.11.41.51.71.92.02.3

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

ora:IntangibleAssetsRelatedToStorageActivities


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value47303233
Percentage of FiniteLivedIntangibleAssetsNet24.316.216.139.6
Percentage of Assets1.20.91.01.3
Percentage of Assets ora:IntangibleAssetsRelatedToStorageActivities0.00.00.00.0

ora:PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivities


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1941861998552
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.1
Percentage of Assets5.05.76.43.32.1
Percentage of Assets ora:PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivities0.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value313252-66.943-53.621-10.825-52.823-12.117
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.81.01.7-3.2-2.5-0.5-2.3-0.6

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value191516161717175858600.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.50.40.40.50.50.50.51.81.81.90.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value7.134.5894.7214.8585.5274.7964.68849
Percentage of OperatingLeaseRightOfUseAsset36.129.428.929.031.327.226.984.4
Percentage of Assets0.20.10.10.10.20.10.11.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherAssetsNoncurrent

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Other
Period End2020-12-312019-12-31
Value6040
Percentage of OtherAssetsNoncurrent100.0100.0
Percentage of Assets1.51.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement5.84.6

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Other
Period End2020-12-312019-12-31
Value156162
Percentage of OtherAssetsNoncurrent259.4406.1
Percentage of Assets4.05.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt9.710.0

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value108148152144149140141137115108116105103103153103101959110287829185988388787993988390789896106981059976768573
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.83.83.94.14.44.14.44.23.63.43.73.43.53.85.94.14.13.83.74.53.83.64.03.74.33.84.23.63.74.44.53.94.23.74.74.34.64.34.54.53.63.74.24.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Accounts
Period End2020-12-312019-12-31
Value1513
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent10.19.3
Percentage of Assets0.40.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement1.51.5

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Accounts
Period End2020-12-312019-12-31
Value2125
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent14.417.9
Percentage of Assets0.60.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt1.41.6

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value19118.436438.824113.1640.2241.4671.4645.305
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.30.31.70.40.50.10.00.10.10.3

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1312117.6835.5995.9372.7556.00314151820
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.30.30.20.20.20.10.20.40.50.60.8

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value246254248236404567376352276268361396341205283193214207189201193185188180217244205197225211186194208194212189198187193187145142137139
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.46.66.46.711.816.511.610.88.78.511.613.011.47.611.07.78.58.37.78.98.58.28.27.99.511.29.79.110.59.98.69.09.89.110.18.48.68.18.48.56.96.86.77.5

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2978000.02935000.02922000.03026000.03016000.02974000.02743000.06253000.09906000.07532000.00
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.10.10.10.10.10.20.30.20.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9.0829.4669.551147.9536.8085.6747.5549.4673.963.13
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.60.30.30.30.30.50.20.2

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1474116711288779569201001965957810
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.935.936.233.938.940.147.244.745.735.0

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Long
Period End2020-12-312019-12-31
Value730794
Percentage of LongTermDebt49.568.0
Percentage of Assets18.824.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt45.348.7

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations us-gaap:CounterpartyName, us-gaap:SubsequentEventType

us-gaap:DebtAndCapitalLeaseObligations

ora:TGGeothermalPortfolioLLC, us-gaap:SubsequentEvent


Debt
Period End2021-07-14
Value206
Percentage of DebtAndCapitalLeaseObligations100.0
Percentage of Assets0.0
Percentage of Assets ora:TGGeothermalPortfolioLLC us-gaap:SubsequentEvent0.0

Unsecured Long Term Debt

us-gaap:UnsecuredLongTermDebt

us-gaap:UnsecuredLongTermDebt


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6746987176964152862862863533533033033033032032032032032032032492492492502502502502502502502502502502502502502492492502502502511420.0
Percentage of UnsecuredLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets17.718.118.519.812.28.38.88.811.111.39.79.910.111.27.98.18.18.18.38.911.011.010.910.911.011.511.811.511.711.711.611.611.711.712.011.110.910.710.811.311.912.06.90.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8887871011041009761
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.32.32.93.02.93.02.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1341331351321281241221241221221251241238484778488919590929395971111111212121212117.0967.1797.7627.8447.9268.0098.0588.1756.0954.723
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.53.53.83.83.63.83.83.83.94.04.14.13.13.33.13.43.63.74.24.04.14.14.24.30.50.60.50.60.60.60.60.60.60.30.30.30.30.30.40.40.40.30.3

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6.0946.0866.2357.8127.8147.8676.8385.45.4995.464162221211819223221207.0535.0181.7760.6970.6973.8722.9563.6334.835.2823.5294.5764.9234.9175.1482.8573.7894.0214.2534.2424.4734.7044.9613.358
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.50.70.70.80.70.80.91.30.90.90.30.20.10.00.00.20.10.20.20.20.20.20.20.20.20.10.20.20.20.20.20.20.20.2

us-gaap:OtherLiabilitiesNoncurrent us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:PowerPurchaseAgreement


Other
Period End2020-12-312019-12-31
Value3932
Percentage of OtherLiabilitiesNoncurrent633.3479.5
Percentage of Assets1.01.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:PowerPurchaseAgreement3.83.7

us-gaap:VariableInterestEntityPrimaryBeneficiary, ora:ProjectDebt


Other
Period End2020-12-312019-12-31
Value143126
Percentage of OtherLiabilitiesNoncurrent2309.31855.1
Percentage of Assets3.73.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary ora:ProjectDebt8.97.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value161212131414141715170.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.40.30.30.40.40.40.40.50.50.60.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value2539000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value1902000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value1625000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value1440000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value9559000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-31
Value15
Percentage of OperatingLeaseLiability100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value20
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value4501000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1825181618051439142814091392138013691340131913051295130012361156114311071078104010271005990962895807774771757752732724711694695915916908898940939931939906
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.847.146.440.941.840.942.842.442.942.642.342.743.348.047.846.245.544.343.845.645.244.543.242.139.437.036.535.535.335.333.933.433.332.433.240.639.939.038.842.544.544.546.048.7

us-gaap:StockholdersEquity us-gaap:StatementScenario

ora:CovenantRequirementMinimum


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value750600600600600600600600
Percentage of StockholdersEquity41.543.145.548.555.660.677.481.9
Percentage of Assets19.318.519.223.224.426.228.327.8
Percentage of Assets ora:CovenantRequirementMinimum0.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value195919491941157115561533151515041491146214451429141813841320125712271196117011351117109810831057993819786783770765745736723706702923924916906948947940945938907909911847622
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.350.549.944.645.544.546.646.246.746.546.346.747.451.151.050.248.947.947.549.849.248.647.346.343.737.537.136.135.935.934.534.033.933.033.540.940.339.439.242.944.944.946.347.846.70.048.90.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementEquityComponents

ora:CrossCurrencySwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-31
Value0.7660.5683.366
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.2
Percentage of Assets0.00.00.1
Percentage of Assets ora:CrossCurrencySwap us-gaap:DesignatedAsHedgingInstrument us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:CrossCurrencyInterestRateContract, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Stockholders
Period End2021-03-312020-12-312020-09-30
Value0.5683.366-3.548
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.2-0.2
Percentage of Assets0.00.1-0.1
Percentage of Assets us-gaap:CrossCurrencyInterestRateContract us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-7.646-6.92-6.62-15.503-13.921-13.662-8.654-10.848-7.736-5.956-3.799-1.386-2.297-0.909-4.314-5.634-6.933-7.076-7.732-11.503-12.838-10.849-7.667-12.844-8.519-11.971-8.668-5.71-3.6730.4510.4870.5270.5670.6090.6510.6970.4820.5180.5950.5650.7290.9681.0441.1010.4690.5450.6220.6451.388
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.4-0.3-1.0-0.9-0.9-0.6-0.7-0.5-0.4-0.3-0.1-0.2-0.1-0.3-0.4-0.6-0.6-0.7-1.0-1.1-1.0-0.7-1.2-0.9-1.5-1.1-0.7-0.50.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.2
Percentage of Assets-0.2-0.2-0.2-0.4-0.4-0.4-0.3-0.3-0.2-0.2-0.1-0.0-0.1-0.0-0.2-0.2-0.3-0.3-0.3-0.5-0.6-0.5-0.3-0.6-0.4-0.5-0.4-0.3-0.20.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value126712641262920917915913910906903901896892890888896875871869859856854849846845771742740738736735737734733732730728727725724722720716713712710709701513
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest64.764.965.058.558.959.760.360.560.861.862.462.762.964.367.371.371.372.874.375.776.777.878.480.185.094.294.394.595.996.298.7100.0101.6103.8104.379.178.979.480.076.476.276.775.876.178.578.277.882.882.4
Percentage of Assets33.232.832.526.126.826.628.127.928.428.828.929.329.832.834.435.834.934.835.337.737.737.837.037.037.135.335.034.134.434.534.134.034.434.235.032.431.831.231.432.834.234.435.136.336.70.038.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value0.0560.0560.0560.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.0510.050.050.050.050.0490.0490.0490.0490.0490.0490.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0460.0450.041
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1341331351321281241221241221221251241238484778488919590929395971111111212121212117.0967.1797.7627.8447.9268.0098.0588.1756.0954.5554.6134.674.7237.0314.749
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.96.87.08.48.28.18.18.28.28.48.78.78.76.16.46.26.97.47.88.48.18.48.79.09.91.41.51.51.71.71.71.71.71.71.00.80.80.90.90.80.90.90.60.50.50.50.50.80.8
Percentage of Assets3.53.53.53.83.83.63.83.83.83.94.04.14.13.13.33.13.43.63.74.24.04.14.14.24.30.50.60.50.60.60.60.60.60.60.30.30.30.30.30.40.40.40.30.20.20.00.30.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1825181618051439142814091392138013691340131913051295130012361179114311071078104010271005990962895807774771757752732724711694695915916908898940939931939934902904906840618
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest93.193.293.091.691.891.991.991.891.891.691.391.391.393.993.693.893.192.692.291.691.991.691.391.090.198.698.598.598.398.398.398.398.398.399.099.299.299.199.199.299.199.199.499.599.599.599.599.299.2
Percentage of Assets47.847.146.440.941.840.942.842.442.942.642.342.743.348.047.847.145.544.343.845.645.244.543.242.139.437.036.535.535.335.333.933.433.332.433.240.639.939.038.842.544.544.546.047.646.50.048.70.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value565558550534524507487480470442422410405410351289274243216191183162148128594741362215-3.088-13.066-24.2-39.717-37.735184187180172215216210221219189193196138103
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest28.828.728.334.033.733.132.232.031.630.229.228.728.629.726.623.022.420.418.516.916.414.813.712.16.05.85.34.72.92.1-0.4-1.8-3.3-5.6-5.420.020.219.719.022.722.822.323.423.320.921.321.616.316.6
Percentage of Assets14.814.514.115.215.414.715.014.814.714.113.513.413.515.213.611.610.99.78.88.48.17.26.55.62.62.22.01.71.10.7-0.1-0.6-1.1-1.9-1.88.28.27.77.49.710.310.010.811.29.80.010.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value56000.056000.056000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.051000.050000.050000.050000.050000.049000.049000.049000.049000.049000.049000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.046000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value126712641262920917915913910906903901896892890888896875871869859856854849846845771742740738736735737734733732730728727725724722720716709
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.232.832.526.126.826.628.127.928.428.828.929.329.832.834.435.834.934.835.337.737.737.837.037.037.135.335.034.134.434.534.134.034.434.235.032.431.831.231.432.834.234.435.138.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value565558550534524507487480470442422410405410351289274243216191183162148128594741362215-3.088-13.066-24.2-39.717-37.735184187180172215216210221196
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.814.514.115.215.414.715.014.814.714.113.513.413.515.213.611.610.99.78.88.48.17.26.55.62.62.22.01.71.10.7-0.1-0.6-1.1-1.9-1.88.28.27.77.49.710.310.010.810.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-7646000.0-6920000.0-6620000.0-15503000.0-13921000.0-13662000.0-8654000.0-10848000.0-7736000.0-5956000.0-3799000.0-1386000.0-2297000.0-909000.0-4314000.0-5634000.0-6933000.0-7076000.0-7732000.0-11503000.0-12838000.0-581000.0-7667000.0-12844000.0-8519000.0-11971000.0-8668000.0-5710000.0-3673000.0451000.0487000.0527000.0567000.0609000.0651000.0697000.0482000.0518000.0595000.0565000.0729000.0968000.01044000.0622000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.2-0.2-0.4-0.4-0.4-0.3-0.3-0.2-0.2-0.1-0.0-0.1-0.0-0.2-0.2-0.3-0.3-0.3-0.5-0.6-0.0-0.3-0.6-0.4-0.5-0.4-0.3-0.20.00.00.00.00.00.00.00.00.00.00.00.00.00.10.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1341331351321281241221241221221251241238484778488919590929395971111111212121212117.0967.1797.7627.8447.9268.0098.0588.1756.0954.723
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.53.53.83.83.63.83.83.83.94.04.14.13.13.33.13.43.63.74.24.04.14.14.24.30.50.60.50.60.60.60.60.60.60.30.30.30.30.30.40.40.40.30.3

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.6232.0972.8072.2641.9892.2282.6432.362.8363.5592.1161.7071.5561.8613.631.7131.7741.7240.8170.8420.8780.9211.0291.1271.2631.5021.3661.441.7141.6911.3141.5431.5571.711.471.6571.6721.5521.7211.7272.741.6671.5541.416
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.6232.0972.8072.2641.9892.2282.6432.362.8363.5592.1161.7071.5561.8613.631.7131.7741.7240.8170.8420.8780.9211.0291.1271.2631.5021.3661.441.7141.6911.3141.5431.5571.711.471.6571.6721.5521.7211.7272.741.6671.5541.416
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.6232.0972.8072.2641.9892.2282.6432.362.8363.5592.1161.7071.5561.8613.631.7131.7741.7240.8170.8420.8780.9211.0291.1271.2631.5021.3661.441.7141.6911.3141.5431.5571.711.471.6571.6721.5521.7211.7272.741.6671.5541.416
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-09-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-31
Value0.4263.8983.7493.0071.3262.7674.1463.071.5251.7034.6743.2813.4387.7876.807464.872.8832.8690.062
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-31
Value0.4263.8983.7493.0071.3262.7674.1463.071.5251.7034.6743.2813.4387.7876.807464.872.8832.8690.062
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2968268474793545787742364719795242711.258389227671029833475356854121.7341827-9.6953041345926132120
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax20.441.414.653.242.741.518.226.642.738.922.421.726.510.747.533.323.837.60.8259.257.917.839.26.321.169.223.153.627.847.841.79.41.115.023.3-7.123.331.627.753.225.313.423.420.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-137.038-117.474-92.999-133.943-78.207-80.82-61.527-78.843-63.224-50.944-50.884-55.36-168.156-68.034-106.551-67.465-65.367-128.738-33.342-69.9-10.669-44.62-14.4332.895-32.176-47.2576.273-106.4236.311-35.323-28.955-25.029-4.925-98.244-47.17913-4.695-62.333-102.816-102.445-27.817-107.924-50.8-44.006-44.033-64.981
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-93.3-70.6-51.8-84.3-44.7-42.1-32.0-46.2-34.3-25.6-26.7-33.3-94.3-37.0-64.0-42.9-36.4-67.8-20.0-471.2-6.7-29.4-8.41.8-22.9-39.34.2-75.94.9-24.8-22.1-19.1-3.2-80.7-40.69.9-3.6-47.1-83.1-92.4-26.6-110.3-54.7-43.4-45.7-78.6

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-28.169-22.80731388-66.673168-1.11832-6.587-31.039313113156-1.885-26.088-33.0761.199172-71.044-37.802-19.845-38.2492069-5.396-42.959-6.437-9.621-42.18-3.6619-25.5437149-32.882-43.4065.153109585.045262184413
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-19.2-13.7174.855.7-38.187.5-0.619.3-3.6-15.616.419.073.830.8-1.1-16.6-18.40.6103.4-478.9-23.6-13.1-22.412.749.5-4.5-28.8-4.6-7.5-29.6-2.814.8-16.758.442.4-24.2-33.43.988.452.54.853.967.518.146.116.4

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-135.202-71.69924739-69.942166-26.927-1.6029.175-5.0312212108.412-23.128-48.129-66.117-30.459
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-92.0-43.1137.825.0-40.086.8-14.0-0.95.0-2.511.87.46.04.6-13.9-30.6-36.9-16.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9882000.03087000.0387000.0-4548000.04825000.0-842000.0-1720000.0444000.0-2206000.0-2018000.07590000.0747000.0478000.0503000.0861000.0106000.0-5697000.05800000.0-958000.0-3955000.0-105000.0-1279000.01479000.0194000.0-885000.0356000.0-407000.0-955000.0-4379000.0382000.01893000.02490000.0-352000.0-2411000.02883000.0-333000.0919000.04659000.0-5358000.03491000.0-146000.02016000.0-2077000.0-560000.0-4839000.04528000.0
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2968268474793545787742364719795242711.258389227671029833475356854121.7341827-9.6953041345926132120
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax20.441.414.653.242.741.518.226.642.738.922.421.726.510.747.533.323.837.60.8259.257.917.839.26.321.169.223.153.627.847.841.79.41.115.023.3-7.123.331.627.753.225.313.423.420.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value131520152326121533251810-0.343696519353528122429227214106.98169.136218.1621225-1.982-222.384-0.5828.6417.895-43.080.8668.133-8.9754.45832-1.4371.838
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.99.211.59.913.213.66.69.218.413.09.66.4-0.237.839.612.219.518.617.081.415.219.313.444.310.38.34.711.87.215.16.29.916.5-1.6-191.6-0.46.76.0-34.80.87.8-9.24.832.0-1.52.2

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1517232325291415362823102.659746922383931142430247315107.143169.313218.3551325-1.897-222.248-0.5158.7228.025-43.01.0038.238-8.9654.53632-1.4941.785
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.310.713.114.514.415.67.38.819.714.112.16.11.540.441.714.521.320.918.897.115.620.414.145.210.98.54.812.07.315.36.410.116.7-1.6-191.5-0.46.76.1-34.80.97.9-9.24.931.9-1.62.2

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.6232.0972.772.8072.2641.9892.1272.2282.6432.362.8363.5592.1161.7071.5561.8613.631.7131.7741.7240.8170.8420.8780.9211.0291.1271.2631.5021.3661.441.7141.6911.3141.5431.5571.711.471.6571.6721.5521.7211.7272.741.6671.5541.416
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-137.038-117.474-92.999-133.943-78.207-80.82-61.527-78.843-63.224-50.944-50.884-55.36-168.156-68.034-106.551-67.465-65.367-128.738-33.342-69.9-10.669-44.62-14.4332.895-32.176-47.2576.273-106.4236.311-35.323-28.955-25.029-4.925-98.244-47.17913-4.695-62.333-102.816-102.445-27.817-107.924-50.8-44.006-44.033-64.981
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-93.3-70.6-51.8-84.3-44.7-42.1-32.0-46.2-34.3-25.6-26.7-33.3-94.3-37.0-64.0-42.9-36.4-67.8-20.0-471.2-6.7-29.4-8.41.8-22.9-39.34.2-75.94.9-24.8-22.1-19.1-3.2-80.7-40.69.9-3.6-47.1-83.1-92.4-26.6-110.3-54.7-43.4-45.7-78.6

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302011-12-312011-09-302010-09-30
Value1198788807080897563511906766632332513887155
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets us-gaap:CounterpartyName, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireProductiveAssets

ora:TGGeothermalPortfolioLLC, us-gaap:SubsequentEvent


Payments
Period End2021-07-14
Value171
Percentage of PaymentsToAcquireProductiveAssets100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-28.169-22.80731388-66.673168-1.11832-6.587-31.039313113156-1.885-26.088-33.0761.199172-71.044-37.802-19.845-38.2492069-5.396-42.959-6.437-9.621-42.18-3.6619-25.5437149-32.882-43.4065.153109585.045262184413
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-19.2-13.7174.855.7-38.187.5-0.619.3-3.6-15.616.419.073.830.8-1.1-16.6-18.40.6103.4-478.9-23.6-13.1-22.412.749.5-4.5-28.8-4.6-7.5-29.6-2.814.8-16.758.442.4-24.2-33.43.988.452.54.853.967.518.146.116.4

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.4486.7185.5795.5595.7195.6145.6125.6065.5895.5795.0685.0645.062113.8994.1863.9788.4483.2133.4713.526152.9442.9422.9323.8982.2762.2762.2762.7271.820.01.8170.01.8171.8172.292.2692.2712.2695.455
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

ora:AdditionalMigdalLoan


Debt
Period End2020-12-312019-03-25
Value4.60.046
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:AdditionalMigdalLoan0.00.0

ora:DonACampbell1Dac1


Debt
Period End2020-12-31
Value4.03
Percentage of DebtInstrumentInterestRateStatedPercentage87.6
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:DonACampbell1Dac10.0

ora:OlkariaIVLoanDEG3


Debt
Period End2020-12-31
Value6.04
Percentage of DebtInstrumentInterestRateStatedPercentage131.3
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:OlkariaIVLoanDEG30.0

ora:OlkariaIVLoanDeg2


Debt
Period End2020-12-31
Value6.28
Percentage of DebtInstrumentInterestRateStatedPercentage136.5
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:OlkariaIVLoanDeg20.0

ora:PlatanaresFinanceAgreement


Debt
Period End2020-12-31
Value7.02
Percentage of DebtInstrumentInterestRateStatedPercentage152.6
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:PlatanaresFinanceAgreement0.0

ora:SecondAddendumMigdalLoan


Debt
Period End2020-12-312020-04-30
Value5.440.0544
Percentage of DebtInstrumentInterestRateStatedPercentage118.30.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:SecondAddendumMigdalLoan0.00.0

ora:SeniorUnsecuredBondsSeries3


Debt
Period End2020-12-312020-05-132020-04-202020-04-062016-09-302016-09-14
Value4.450.04450.04450.04450.04450.0445
Percentage of DebtInstrumentInterestRateStatedPercentage96.70.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:SeniorUnsecuredBondsSeries30.00.00.00.00.00.0

ora:SeniorUnsecuredLoanMigdal


Debt
Period End2020-12-31
Value4.8
Percentage of DebtInstrumentInterestRateStatedPercentage104.3
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:SeniorUnsecuredLoanMigdal0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

ora:DoeLoanGuarantee, ora:NonrecourseDebt


Debt
Period End2020-12-31
Value2.6
Percentage of DebtInstrumentInterestRateStatedPercentage56.5
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:DoeLoanGuarantee ora:NonrecourseDebt0.0

ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant, ora:TrancheOne


Debt
Period End2020-12-31
Value6.34
Percentage of DebtInstrumentInterestRateStatedPercentage137.8
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant ora:TrancheOne0.0

ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant, ora:TrancheThree


Debt
Period End2020-12-31
Value6.12
Percentage of DebtInstrumentInterestRateStatedPercentage133.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant ora:TrancheThree0.0

ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant, ora:TrancheTwo


Debt
Period End2020-12-31
Value6.29
Percentage of DebtInstrumentInterestRateStatedPercentage136.7
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:LoanAgreementWithOpicTheOlkariaIIIPowerPlant ora:TrancheTwo0.0

ora:OrmatFundingCorp, ora:SeriesASeniorNotes


Debt
Period End2020-12-31
Value4.69
Percentage of DebtInstrumentInterestRateStatedPercentage102.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:OrmatFundingCorp ora:SeriesASeniorNotes0.0

ora:OrmatFundingCorp, ora:SeriesCSeniorNotes


Debt
Period End2020-12-31
Value4.61
Percentage of DebtInstrumentInterestRateStatedPercentage100.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:OrmatFundingCorp ora:SeriesCSeniorNotes0.0

ora:PrudentialCapitalGroupAgreement, ora:NonrecourseDebt


Debt
Period End2020-12-31
Value5.8
Percentage of DebtInstrumentInterestRateStatedPercentage126.1
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:PrudentialCapitalGroupAgreement ora:NonrecourseDebt0.0

ora:PrudentialCapitalPurchaseAgreement, ora:NonrecourseDebt


Debt
Period End2020-12-31
Value6.75
Percentage of DebtInstrumentInterestRateStatedPercentage146.7
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:PrudentialCapitalPurchaseAgreement ora:NonrecourseDebt0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:SubsequentEventType

ora:HSBCLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-15
Value3.45
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:HSBCLoan us-gaap:SubsequentEvent0.0

ora:HapoalimLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-12
Value3.45
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:HapoalimLoan us-gaap:SubsequentEvent0.0

ora:SeniorUnsecuredBondsSeries4, us-gaap:SubsequentEvent


Debt
Period End2020-07-01
Value0.0335
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations ora:SeniorUnsecuredBondsSeries4 us-gaap:SubsequentEvent0.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value22.614.83.138.80.3330.3720.1230.407-0.1120.3410.2150.1040.928-0.584-0.2240.3290.1420.208-0.0560.4130.2320.2297-0.428-0.004-0.0340.3310.0570.2670.3450.223-0.0750.2810.2131.79-0.3710.670.3360.4010.0510.3970.1380.074-0.2170.2690.57
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value2240000.01792000.02527000.01548000.04100.02438000.04477000.04710.03563000.02934000.02335000.01745000.01233000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:PlanName

ora:The2018IncentivePlan


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value2240000.01792000.02527000.01548000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

ora:ExercisePrice1


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value85000.059000.075000.023000.02800.03800.033000.034000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber3.83.33.01.568.30.21.11.5

ora:ExercisePrice10


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value94000.098000.0828000.023000.03600.01800.022000.022000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber4.25.532.81.587.80.10.70.9

ora:ExercisePrice11


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value45000.04000.0296000.0109000.0300.05800.08000.08000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber2.00.211.77.07.30.20.30.3

ora:ExercisePrice12


Share
Period End2020-12-312019-12-312018-12-312016-12-312015-12-312011-12-312010-12-31
Value12000.015000.030000.06100.01300.0343000.0350000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.50.81.2148.80.111.715.0

ora:ExercisePrice13


Share
Period End2020-12-312019-12-312018-12-312016-12-312015-12-312011-12-312010-12-31
Value47000.010000.016000.05800.04600.0417000.0423000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber2.10.60.6141.50.214.218.1

ora:ExercisePrice14


Share
Period End2020-12-312018-12-312016-12-312015-12-312011-12-312010-12-31
Value842000.0109000.05500.01300.022000.022000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber37.64.3134.10.10.70.9

ora:ExercisePrice15


Share
Period End2020-12-312016-12-312015-12-31
Value4000.06900.0300.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.2168.30.0

ora:ExercisePrice16


Share
Period End2020-12-312016-12-312015-12-31
Value15000.06.96800.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.70.20.3

ora:ExercisePrice17


Share
Period End2020-12-312015-12-31
Value8000.0800.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.40.0

ora:ExercisePrice18


Share
Period End2020-12-31
Value1000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.0

ora:ExercisePrice2


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value235000.0427000.029000.035000.02600.03600.08000.08000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber10.523.81.12.363.40.10.30.3

ora:ExercisePrice3


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value15000.015000.099000.0176000.02300.03300.022000.022000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.70.83.911.456.10.10.70.9

ora:ExercisePrice4


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value8000.08000.015000.010000.02300.03300.0559000.0570000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.40.40.60.656.10.119.124.4

ora:ExercisePrice5


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value31000.035000.015000.015000.02400.03400.030000.030000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber1.42.00.61.058.50.11.01.3

ora:ExercisePrice6


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value486000.0783000.015000.015000.02100.03100.08000.07000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber21.743.70.61.051.20.10.30.3

ora:ExercisePrice7


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value296000.0296000.0942000.01074000.01300.02300.0578000.0592000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber13.216.537.369.431.70.119.725.4

ora:ExercisePrice8


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value15000.030000.038000.038000.03800.04800.0227000.0232000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.71.71.52.592.70.27.79.9

ora:ExercisePrice9


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value1000.012000.035000.030000.04800.0200.015000.015000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.00.71.41.9117.10.00.50.6

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value1.673108.828.895.7389.97410107.1127.1517.197.5115.6065.5895.1324.958.8788.3547.7957.2817.1396.7126.4095.8754.2454.384.2945.4315.6485.3654.9313.425
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2217225048481091097011111480610.433
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsReimbursement

ora:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsReimbursement


Adjustments
Period End2021-03-31
Value285000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsReimbursement100.0

ora:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsReimbursement us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-31
Value285000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsReimbursement100.0

us-gaap:Parent


Adjustments
Period End2021-03-31
Value285000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCostsReimbursement100.0

ora:BusinessInterruptionInsuranceRecoveryGross us-gaap:PublicUtility, us-gaap:StatementBusinessSegments

ora:BusinessInterruptionInsuranceRecoveryGross

ora:PunaGeothermalPowerPlant, ora:ElectricitySegment


Business
Period End2020-12-312020-09-30
Value0.020
Percentage of BusinessInterruptionInsuranceRecoveryGross0.0100.0

ora:IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense

ora:IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.1634.2451.2445.3083.4512.0872.3461.6491.7754.314-1.1971.5032.0086.2953.1052.0072.5094.3351.0420.8441.6013.4754.3996.3482.6764.0443.6932.593.0684.4721.3782.0433.4451.1331.2280.8751.0310.8692.0720.5231.1780.5421.2420.80.6890.792
Percentage of IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:IncomeTaxExaminationDeferralOfTaxBenefits us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName, us-gaap:SubsequentEventType, us-gaap:TaxPeriod

ora:IncomeTaxExaminationDeferralOfTaxBenefits

us-gaap:ForeignCountry, ora:KenyaRevenueAuthority, us-gaap:SubsequentEvent, ora:SecondAssessmentTaxYears20132019


Income
Period End2020-10-19
Value28
Percentage of IncomeTaxExaminationDeferralOfTaxBenefits100.0

ora:IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment

ora:IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.233-8.7324.1431.231-0.79-1.4361.9271.4865.8570.1533.512-4.188-4.529-1.6733.502-1.3560.5371.8012.2982.439-1.66-5.296-15.126.31812-0.1189.0742.068-1.648-5.641-3.3723.6819.013-4.95-0.694-4.37-2.24-11.5092.071160.841-5.947-5.646-0.9648.766-1.649
Percentage of IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:IncreaseDecreaseInOperatingLeaseLiabilities

ora:IncreaseDecreaseInOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-660000.0-493000.0-1329000.0-802000.0-900000.0-734000.000
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.00.00.0

ora:IncreaseDecreaseInSeverancePayFundAssetNet

ora:IncreaseDecreaseInSeverancePayFundAssetNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1170000.0-182000.0-316000.0-543000.0-73000.087000.0-72000.097000.0-353000.0-359000.0-1336000.0-510000.0-137000.0-203000.03000.0-659000.0112000.018000.057000.0-927000.045000.0-1037000.091000.06000.0-920000.0-2020000.0-635000.0-414000.0-911000.0-168000.0-72000.0-111000.0-1191000.0130000.0118000.0111000.0151000.0-64000.0780000.07000.0-55000.0-13000.0400000.0-172000.0404000.03000.0
Percentage of IncreaseDecreaseInSeverancePayFundAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures

ora:IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures


Increase
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-30
Value0.71.0193.818-0.8930.070.20.120.0110.008
Percentage of IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:IncreaseDecreaseInUnrecognizedTaxBenefits

ora:IncreaseDecreaseInUnrecognizedTaxBenefits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-0.37-1.124102.666-0.7490.0830.41-0.575-1.996-0.713-1.63-0.502-0.563-0.184-2.584-0.1730.297-0.6924.838-0.407
Percentage of IncreaseDecreaseInUnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:InterestExpenseSaleOfTaxBenefits

ora:InterestExpenseSaleOfTaxBenefits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.5452.3942.531.9912.52.3242.2992.6713.1553.6615.1982.9161.7611.4091.5171.6071.8492.0123.082.5652.8460.8582.5582.3752.8071.882.7353.433.6692.5794.523.4793.0372.7171.6871.581.7231.8372.6011.362.1661.711.3191.3821.353
Percentage of InterestExpenseSaleOfTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:OperatingLeaseRightOfUseAssetOperatingCashFlowEffect

ora:OperatingLeaseRightOfUseAssetOperatingCashFlowEffect


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value764000.0658000.01130000.0830000.01081000.0784000.02547000.01444000.02478000.01698000.000
Percentage of OperatingLeaseRightOfUseAssetOperatingCashFlowEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

ora:OtherComprehensiveIncomeLossOtherChangesNetOfTax

ora:OtherComprehensiveIncomeLossOtherChangesNetOfTax


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value17000.016000.012000.05000.0
Percentage of OtherComprehensiveIncomeLossOtherChangesNetOfTax100.0100.0100.0100.0

ora:OtherComprehensiveIncomeLossOtherChangesNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-31
Value16000.0
Percentage of OtherComprehensiveIncomeLossOtherChangesNetOfTax100.0

us-gaap:Parent


Other
Period End2021-03-31
Value16000.0
Percentage of OtherComprehensiveIncomeLossOtherChangesNetOfTax100.0

ora:OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments

ora:OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1234000.03755000.0486000.0947000.0-653000.0-4755000.01282000.0-1467000.0-2087000.0-1145000.0
Percentage of OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1234000.03755000.0947000.0-653000.0-4755000.0-1467000.0-2087000.0-1145000.0
Percentage of OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1234000.03755000.0947000.0-653000.0-4755000.0-1467000.0-2087000.0-1145000.0
Percentage of OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments100.0100.0100.0100.0100.0100.0100.0100.0

ora:PercentageOfDistributableCashToNontrollingInterests dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementScenario

ora:PercentageOfDistributableCashToNontrollingInterests

ora:OpalGeoLLC, ora:JpmCapitalCorporation, srt:ScenarioForecast


Percentage
Period End2022-12-31
Value1.0
Percentage of PercentageOfDistributableCashToNontrollingInterests100.0

ora:OpalGeoLLC, ora:JpmCapitalCorporation, us-gaap:ScenarioForecast


Percentage
Period End2022-12-31
Value1.0
Percentage of PercentageOfDistributableCashToNontrollingInterests100.0

ora:PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests dei:LegalEntity, us-gaap:StatementScenario

ora:PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests

ora:OpalGeoLLC, srt:ScenarioForecast


Percentage
Period End2022-12-31
Value0.95
Percentage of PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests100.0

ora:OpalGeoLLC, us-gaap:ScenarioForecast


Percentage
Period End2022-12-31
Value0.95
Percentage of PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests100.0

ora:PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementScenario

ora:PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests

ora:OpalGeoLLC, ora:JpmCapitalCorporation, srt:ScenarioForecast


Percentage
Period End2022-12-31
Value0.05
Percentage of PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests100.0

ora:OpalGeoLLC, ora:JpmCapitalCorporation, us-gaap:ScenarioForecast


Percentage
Period End2022-12-31
Value0.05
Percentage of PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests100.0

ora:ProceedsFromIssuanceOfLongtermLoansNet

ora:ProceedsFromIssuanceOfLongtermLoansNet


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.02891290.00.00.04191114
Percentage of ProceedsFromIssuanceOfLongtermLoansNet0.0100.0100.00.00.00.0100.0100.0100.0

ora:ProceedsFromStockIssuanceCostsReimbursement

ora:ProceedsFromStockIssuanceCostsReimbursement


Proceeds
Period End2021-06-302021-03-31
Value0285000.0
Percentage of ProceedsFromStockIssuanceCostsReimbursement0.0100.0

ora:ProceedsOverdueAccountsReceivable us-gaap:MajorCustomers, us-gaap:SubsequentEventType

ora:ProceedsOverdueAccountsReceivable

ora:ENNE, us-gaap:SubsequentEvent


Proceeds
Period End2021-01-312020-07-312019-07-312019-04-30
Value2.90.73.13.0
Percentage of ProceedsOverdueAccountsReceivable100.0100.0100.0100.0

ora:KenyaPowerAndLightingCoLTD, us-gaap:SubsequentEvent


Proceeds
Period End2021-02-282020-07-312019-10-312019-07-312019-04-30
Value168.8101020
Percentage of ProceedsOverdueAccountsReceivable0.01257.10.0338.7680.0

ora:RepaymentsOfLongtermLoans

ora:RepaymentsOfLongtermLoans


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1916198315161916211520
Percentage of RepaymentsOfLongtermLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:RightofuseAssetObtainedInExchangeForLeaseLiability

ora:RightofuseAssetObtainedInExchangeForLeaseLiability


Rightofuse
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-03-312018-12-31
Value4.2060.4670.9411.1941.1912.1542.72
Percentage of RightofuseAssetObtainedInExchangeForLeaseLiability100.0100.0100.0100.0100.0100.0100.0

ora:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate

ora:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-30
Value10.80.1070.0530.0110.1030.09660.0560.0750.072
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationAccretionExpense


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value956000.0955000.0913000.0774000.0773000.0772000.0694000.0692000.0672000.0651000.0648000.0758000.0539000.0529000.0482000.0473000.0464000.0455000.0535000.0422000.0415000.0406000.058000.0388000.0380000.0372000.0-293000.0379000.0369000.0374000.0397000.0389000.0382000.0376000.0437000.0430000.0421000.0413000.0410000.0402000.0394000.0387000.0361000.0332000.0280000.0276000.0
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

ora:PomonaEnergyStorage


Business
Period End2020-09-30
Value1.1
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0

us-gaap:BusinessAcquisitionsProFormaRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaRevenue

ora:PomonaEnergyStorage


Business
Period End2020-09-30
Value2.4
Percentage of BusinessAcquisitionsProFormaRevenue100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value43
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

ora:PomonaEnergyStorage, us-gaap:SubsequentEvent


Business
Period End2020-07-20
Value43
Percentage of BusinessCombinationConsiderationTransferred1101.4

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:SubsequentEvent


Common
Period End2020-08-042020-05-082020-02-262019-11-062019-08-072019-05-062019-02-262018-11-062018-08-072018-05-072018-03-012017-11-072017-08-032017-05-082017-02-282016-11-072016-08-022016-05-042016-02-232015-11-032015-08-032015-05-062015-02-232014-11-052014-08-052014-02-252013-11-052013-08-06
Value0.110.110.110.110.110.110.110.10.10.10.230.080.080.080.170.070.070.070.310.060.060.060.080.050.040.060.040.04
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

ora:KenyaPowerAndLightingCoLTD, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value17.315.618.20.160.1540.180.1660.1530.1860.1660.1510.1760.1540.1430.1510.171
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:PrimaryCustomers, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-312018-03-31
Value67.00.50.550.59
Percentage of ConcentrationRiskPercentage1429.5324.7359.5390.7

ora:SierraPacificPowerCompanyAndNevadaPowerCompany, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value19.521.415.40.1720.1920.1510.1650.1820.1360.170.1740.1630.1670.1880.1440.191
Percentage of ConcentrationRiskPercentage1112.7137.284.6107.5124.783.999.4119.073.1102.4115.292.6108.4131.595.4111.7

ora:SouthernCaliforniaPublicPowerAuthority, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value25.524.919.50.20.1870.1640.1720.1940.1370.1490.1630.0910.0870.090.0770.104
Percentage of ConcentrationRiskPercentage1147.4159.6107.1125.0121.491.1103.6126.873.789.8107.951.756.562.951.060.8

us-gaap:DebtInstrumentPeriodicPayment us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentPeriodicPayment

ora:HSBCLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-15
Value3600000.0
Percentage of DebtInstrumentPeriodicPayment100.0

ora:HapoalimLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-12
Value8900000.0
Percentage of DebtInstrumentPeriodicPayment0.0

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DeferredIncomeTaxesAndTaxCredits


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-4.445-0.083-20.425.7914.60815205.643-8.9351025-1.55224-29.467-80.618.1311.7636.612-2.2697.4886.6116.643
Percentage of DeferredIncomeTaxesAndTaxCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4342404037363737363633343330342627272826252626272625252625232225222326262524
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

ora:CurrencyForwardContracts, us-gaap:ForeignCurrencyGainLoss


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312020-03-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.20.0852.2260.4241.4351.091.09-0.0840.9410.6161.083-1.426-0.198-0.911-0.5460.867-0.8871.4572.262-0.9160.689-1.3491.814
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:SwapTransactionOnRRSPrices, us-gaap:ForeignCurrencyGainLoss


Derivative
Period End2021-06-302021-03-31
Value0.0-14.54
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet0.0-17105.9

us-gaap:CrossCurrencyInterestRateContract, us-gaap:ForeignCurrencyGainLoss


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value6.808-11.102200.758
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet567.3-13061.2917.7178.8

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-08-062013-09-302011-08-032011-06-302011-05-042011-02-222011-03-31
Value6.4486.7185.5595.7195.6145.6065.5895.5795.0685.0645.062113.8994.1863.9788.4483.2133.4713.526152.9442.9422.9323.89816-2.276-7.732.7275.4521.8-6.9671.81.81.82.32.3
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value6.4486.7185.5595.7195.6145.6065.5895.5795.0685.0645.062113.8994.1863.9788.4483.2133.4713.526152.9442.9422.9323.89816-2.276-7.732.7275.452
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6.4486.7185.5595.7195.6145.6065.5895.5795.0685.0645.062113.8994.1863.9788.4483.2133.4713.526152.9442.9422.9323.89816-2.276-7.732.727
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Dividends
Period End2021-08-042021-05-052021-02-242020-11-032020-08-042020-05-082020-02-262019-11-062019-08-072019-05-062019-02-262018-11-062018-08-072018-05-072018-03-012017-11-072017-08-032017-05-082017-02-282016-11-072016-08-022016-05-042016-02-232015-11-032015-08-032015-05-062014-11-052014-08-052013-11-05
Value6.76.76.75.65.65.65.65.65.65.65.65.15.15.1114.04.04.08.400000000000001e-063.53.53.5152.92.92.92.32.31.8
Percentage of DividendsCommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value85000.0-342000.0634000.0545000.0340000.0-365000.0677000.0-1111000.0344000.0-485000.0-660000.00
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate


Effective
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302018-06-302018-03-312017-06-302014-12-312014-09-302014-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value021.000000.210.3500.350.3500.350.3500.350.35
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate0.0100.00.00.00.00.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal

us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.426.3558.9027.0145.6724.1324.4154.0564.6377.7644.024.0663.5567.3613.8593.5064.3566.1574.1233.4634.5194.3986.5148.6344.7315.5525.8095.4876.136.7175.6035.0275.7833.5322.712.3112.5892.5173.852.3443.1412.1392.3372.1832.072.139
Percentage of EquityMethodInvestmentRealizedGainLossOnDisposal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExplorationAbandonmentAndImpairmentExpense

us-gaap:ExplorationAbandonmentAndImpairmentExpense


Exploration
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312012-06-302012-03-312010-06-30
Value0.00.00.00.00.00.00.00.00.00.0030.00.00.1231.7960.00.00.00.3031.2940.8630.5571.220.1850.00.1747.3328.18.1074.0940.721.1510.7683.05
Percentage of ExplorationAbandonmentAndImpairmentExpense0.00.00.00.00.00.00.00.00.0100.00.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value794000.0764000.0685000.0816000.0714000.0675000.0430000.01021000.0946000.0767000.0845000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value658000.0-16866000.01691000.01047000.0671000.0393000.0-72000.0205000.019000.0472000.0-2250000.0-383000.0-529000.0-1599000.0614000.0-1001000.01703000.01338000.0-2942000.0-222000.0-4332000.01962000.0-981000.01296000.0-571000.0-1366000.0-2200000.0-2946000.0-55000.0-638000.01241000.01258000.0904000.01682000.01369000.0615000.0-1756000.014000.0196000.0-2659000.0596000.0517000.01082000.01074000.0-1033000.0434000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnDispositionOfAssets


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value10000.0-91000.0183000.0-713000.0-88000.0-290000.0-759000.0-377000.0-423000.0
Percentage of GainLossOnDispositionOfAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GainLossOnSaleOfOtherAssets


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value253000.0-358000.0869000.062000.0497000.0-535000.0154000.0315000.0217000.0330000.0-556000.091000.0-592000.0-129000.0283000.0-74000.0590000.0947000.0-386000.0437000.0-311000.0564000.017000.0-470000.0712000.0-140000.0-694000.0-1194000.0413000.0-17000.0478000.0-4000.031000.0372000.01263000.032000.0-1005000.0641000.0-306000.0-1501000.0605000.0614000.0790000.01614000.0
Percentage of GainLossOnSaleOfOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainOnBusinessInterruptionInsuranceRecovery us-gaap:IncomeStatementLocation, us-gaap:PublicUtility, us-gaap:StatementBusinessSegments

us-gaap:GainOnBusinessInterruptionInsuranceRecovery

us-gaap:OperatingExpense, ora:PunaGeothermalPowerPlant, ora:ElectricitySegment


Gain
Period End2020-12-312020-09-30
Value0.017
Percentage of GainOnBusinessInterruptionInsuranceRecovery0.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value605000.0542000.0288000.0-1119000.01658000.0-735000.0-1481000.01085000.01202000.01047000.06182000.0-117000.0388000.01210000.0-267000.0337000.0-428000.0-1599000.0-3001000.0-2653000.0-1144000.0-937000.0-616000.0-3133000.0-984000.0-775000.0-2003000.0-899000.0-114000.0-197000.0-101000.0-158000.09000.0-980000.0-1245000.0-157000.0-140000.0-407000.0-71000.0-69000.0-412000.056000.0-83000.0479000.0546000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-31
Value605000.0542000.0288000.0-1119000.01658000.0-735000.0-1481000.01085000.01202000.01047000.05889000.0176000.0388000.01210000.0-267000.0337000.0-427000.0-1600000.0-3000000.0-2654000.0-1144000.0-937000.0-615000.0-3134000.0-984000.0-775000.0-2003000.0-899000.0-114000.0-197000.0-1000.0-158000.00-145000.0-407000.0
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss

us-gaap:ForeignCountry, ora:KenyaRevenueAuthority


Income
Period End2020-12-212019-10-19
Value9.0190
Percentage of IncomeTaxExaminationEstimateOfPossibleLoss100.0100.0

us-gaap:IncomeTaxExaminationPenaltiesAndInterestExpense us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName, us-gaap:SubsequentEventType, us-gaap:TaxPeriod

us-gaap:IncomeTaxExaminationPenaltiesAndInterestExpense

us-gaap:ForeignCountry, ora:KenyaRevenueAuthority, us-gaap:SubsequentEvent, us-gaap:TaxYear2019


Income
Period End2020-10-27
Value28
Percentage of IncomeTaxExaminationPenaltiesAndInterestExpense100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-41.5083.794-7.99-7.3929.6590.35-5.49920-1.925-4.271-6.6684.127-5.156-49.027550.981-5.3170.681-11.8388.6556.654-4.84621-19.3042.303-4.9031.230.226-3.369-7.72527-12.6225.938-14.7651.891-5.378104.87716-1.023-5.385-3.1844.124-3.805-5.93915
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

us-gaap:IncreaseDecreaseInContractWithCustomerAsset


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-7.039-3.6686.421-1.354-2.828-16.06-4.7615-2.41-12.368-5.6811.2385.4390.189
Percentage of IncreaseDecreaseInContractWithCustomerAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value766000.01507000.03496000.02084000.0-338000.03182000.0-3248000.0-8127000.0-1378000.0-2894000.0-3358000.05624000.05678000.0-9783000.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDepositOtherAssets

us-gaap:IncreaseDecreaseInDepositOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.411-0.092-0.3842.325-0.705-0.343190.3382.31-0.026-0.008-0.0040.056-0.0623.801-0.579-1.2090.5570.1420.7140.233-0.080.354-0.0680.2830.079-0.305-0.193-1.3151.2293.675-7.136-0.1412.9817.391.7963.3910.1690.239-0.0140.3530.132-0.0890.0440.0260.183
Percentage of IncreaseDecreaseInDepositOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-21000.0-35000.0-1801000.0-2000.0-120000.0-100000.05621000.0-5542000.0-80000.0-616000.0-11139000.0138000.0-1251000.01008000.0-220000.0-1817000.01305000.0-1553000.01509000.01779000.0-295000.0317000.0-302000.00-3175000.0916000.0-376000.0-840000.0-452000.0765000.01343000.01184000.06000.0-231000.02291000.0-932000.0-232000.0-232000.011000.0-231000.0-231000.0-257000.0551000.0152000.0
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.3937.2595.658-1.252-0.508-1.2110.5512.891-8.9992.1056.9894.616-2.4382.005-0.8442.4565.053-6.8737.176-5.6439.1991.808-0.4542.7331.489-1.189-3.826-3.5754.6644.074-5.5752.0024.0290.1442.6477.034.6041.191-4.30.4918.69-1.138-1.43.9572.204-2.166
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.07-8.856-9.273-19.078-0.17725152.26-3.3191.11920126.8-9.777131019-19.092193.505-11.719210.927-9.8966.5746.201-25.49-1.66523-43.118135.43328-10.571-26.11940-1.224-9.0860.577-19.8682.94514-6.959.851-3.005-1.155
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInRestructuringReserve

us-gaap:IncreaseDecreaseInRestructuringReserve


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-511000.0-547000.0617000.0-703000.0627000.0-543000.0181000.0512000.0-342000.0406000.0-1909000.0-256000.0-715000.0-267000.0777000.0-661000.01495000.0930000.0-417000.0-72000.0-92000.0-205000.0497000.0-598000.0925000.0-1900000.0-1585000.0-1810000.0-388000.0341000.0199000.0759000.0-305000.0614000.02069000.0-39000.0-817000.01127000.0-440000.0-1578000.0578000.01281000.01102000.01268000.0
Percentage of IncreaseDecreaseInRestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-09-302012-06-302011-09-302011-06-302010-12-312010-09-30
Value324000.0747000.035000.0210000.0319000.0490000.052000.0401000.0294000.0303000.0-32000.0318000.0335000.0437000.0-68000.0500000.0853000.0811000.0-16000.0690000.0681000.0609000.0-1001000.02090000.01719000.0835000.027000.0412000.0357000.0181000.014000.056000.017000.007000.09000.012000.0019000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:InsuranceRecoveries

us-gaap:InsuranceRecoveries


Insurance
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0170.5852.397
Percentage of InsuranceRecoveries0.0100.0100.0100.0

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value3.5653.0523.5992.2352.3492.2172.3220.5190.459-0.01.2340.7871.3360.3711.2913.2141.4551.2641.3651.1540.3080.461.0181.1370.9730.9471.4730.8460.4350.4521.3711.8311.6992.6972.3972.4813.659
Percentage of InterestCostsCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOther

us-gaap:InterestExpenseOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value191920221917171718171816151312131414141515151616171618191818181616152016161615141412121210
Percentage of InterestExpenseOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value808000.0263000.0248000.0626000.0441000.0402000.0320000.0482000.0420000.0293000.0458000.0214000.0189000.0113000.0127000.0255000.0362000.0244000.0140000.0266000.0245000.0320000.0191000.053000.044000.09000.076000.035000.090000.0111000.0462000.0742000.087000.041000.0197000.0280000.0336000.0388000.0138000.0438000.0716000.0135000.0-89000.0140000.095000.0197000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyDamagesSoughtValue us-gaap:LitigationCase

us-gaap:LossContingencyDamagesSoughtValue

ora:AvishaiShmuelManoVsOrmat


Loss
Period End2021-03-03
Value100
Percentage of LossContingencyDamagesSoughtValue100.0

us-gaap:LossFromCatastrophes

us-gaap:LossFromCatastrophes


Loss
Period End2021-02-28
Value9.1
Percentage of LossFromCatastrophes100.0

us-gaap:LossFromCatastrophes us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Loss
Period End2021-02-28
Value11
Percentage of LossFromCatastrophes120.9

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1417222529143527229.8282.46473464811393114
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.7952.297.0641.9823.543-0.8052.0171.8554.619-0.7532.8074.4823.4893.2132.8624.0792.9122.132
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest12.113.031.17.912.0-5.45.66.720.2-7.7113.96.17.56.624.910.49.414.8

us-gaap:Parent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value13151523261533251810-0.3436942458.64352812
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest87.987.068.992.188.0105.494.493.379.8107.7-13.993.992.593.475.189.690.685.2

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value13151523261533251810-0.3436942458.64352812
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest87.987.068.992.188.0105.494.493.379.8107.7-13.993.992.593.475.189.690.685.2

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeaseLeaseIncomeLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value113125125108113126127110116125
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

ora:CrossCurrencySwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-30
Value7.006
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:CrossCurrencyInterestRateContract, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-03-312020-12-31
Value-13.927
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value198000.0-2798000.036000.017000.013000.018000.018000.022000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:DerivativeInstrumentRisk

us-gaap:CrossCurrencyInterestRateContract


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value-2798000.06914000.0-3548000.017000.013000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.00.0-9855.6100.0100.0

us-gaap:OtherContract


Other
Period End2020-09-302019-09-30
Value36000.018000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:CrossCurrencyInterestRateContract, us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-09-302020-06-302020-03-31
Value-2798000.0-3548000.017000.013000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0-9855.6100.0100.0

us-gaap:CrossCurrencyInterestRateContract, us-gaap:Parent


Other
Period End2021-03-312020-09-302020-06-302020-03-31
Value-2798000.0-3548000.017000.013000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0-9855.6100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value198000.036000.017000.013000.018000.018000.022000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value198000.036000.017000.013000.018000.018000.022000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-17000.06000.05000.08000.07000.07000.09000.08000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-17000.06000.05000.08000.07000.09000.08000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-17000.06000.05000.08000.07000.09000.08000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax


Other
Period End2021-06-302020-06-302019-09-302019-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value6000.06000.06000.06000.017000.018000.019000.019000.043000.0022000.022000.049000.00
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9000.0-20000.04000.0262000.010000.0-30000.083000.0-111000.0-186000.0-23000.000-18000.0-62000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9000.0-20000.04000.0262000.010000.0-30000.083000.0-111000.0-186000.0-23000.000-18000.0-62000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9000.0-20000.04000.0262000.010000.0-30000.083000.0-111000.0-186000.0-23000.000-18000.0-62000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value00000000-14000.014000.0009000.034000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax0.00.00.00.00.00.00.00.0100.0100.00.00.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2020-12-31
Value2819000.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2000.0230000.0-562000.01683000.0261000.0416000.0599000.0221000.03122000.01223000.02285000.01574000.0408000.01020000.0638000.0921000.02587000.01144000.02896000.0575000.01339000.01592000.0278000.01389000.01490000.02159000.061000.02053000.02280000.0391000.01571000.047000.01020000.0907000.0904000.0366000.0-2968000.03175000.01076000.01301000.0809000.0446000.025000.022000.0
Percentage of PaymentsOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-31
Value1927
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2020-12-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.0760.00.00.00.00.00.00.0352.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.00.00.00.00.00.00.00.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireEquityMethodInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value0.02.0056.1667.0357.4010.3587.5783.0960.0-0.00.00.02.5251.2758.4511012140.00.00.00.6312.1681.5430.7260.1980.130.9370.2080.1150.1670.02.2040.23
Percentage of PaymentsToAcquireEquityMethodInvestments0.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1.0174.1970.5055.5730.3823.2790.3311.5713.3694.4593.5511.5253.3564.6743.2813.4387.7876.807465.0475.9326.3175.2056.4453.9153.5032.1053.8172.3073.0913.23.1943.2073.7834.3923.4943.2684.2293.273.7344.4192.616
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromInsuranceSettlementOperatingActivities us-gaap:IncomeStatementLocation, us-gaap:PublicUtility, us-gaap:StatementBusinessSegments

us-gaap:ProceedsFromInsuranceSettlementOperatingActivities

us-gaap:NonoperatingIncomeExpense, ora:PunaGeothermalPowerPlant, ora:ElectricitySegment


Proceeds
Period End2020-12-31
Value0
Percentage of ProceedsFromInsuranceSettlementOperatingActivities0.0

us-gaap:ProceedsFromInsuranceSettlementOperatingActivities us-gaap:PublicUtility, us-gaap:StatementBusinessSegments

ora:PunaGeothermalPowerPlant, ora:ElectricitySegment


Proceeds
Period End2020-12-312020-09-302020-06-302020-04-302019-03-31
Value0800000.0800000.03000000.01500000.0
Percentage of ProceedsFromInsuranceSettlementOperatingActivities0.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:SubsidiarySaleOfStock

us-gaap:ProceedsFromIssuanceOfCommonStock

ora:UnderwritingAgreement


Proceeds
Period End2020-11-30
Value339
Percentage of ProceedsFromIssuanceOfCommonStock100.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0-1.2393778721391338391412771028930860401258387504912584490.00.01084894306588548878888157575978181051901182472219119796413858447
Percentage of ProceedsFromLongTermLinesOfCredit0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.05.390.00.01.3076.270.00.00.03.3460.00.00.04.1340.00.00.6061.4110.00.00.01.9720.00.00.01.6540.00.00.02.234
Percentage of ProceedsFromMinorityShareholders0.0100.00.00.0100.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:ProceedsFromRepaymentsOfAccountsReceivableSecuritization us-gaap:MajorCustomers, us-gaap:SubsequentEventType

us-gaap:ProceedsFromRepaymentsOfAccountsReceivableSecuritization

ora:ENNE, us-gaap:SubsequentEvent


Proceeds
Period End2021-07-312021-04-302020-10-31
Value0.02.42.9
Percentage of ProceedsFromRepaymentsOfAccountsReceivableSecuritization0.0100.0100.0

ora:KenyaPowerAndLightingCoLTD, us-gaap:SubsequentEvent


Proceeds
Period End2021-07-312021-04-302020-10-31
Value131013
Percentage of ProceedsFromRepaymentsOfAccountsReceivableSecuritization0.0445.8469.0

us-gaap:ProvisionForDoubtfulAccounts us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:AccountingStandardsUpdate201613


Provision
Period End2021-06-302020-12-312020-09-302020-06-302020-03-31
Value-178000.0-182000.00024000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.00.00.0100.0

us-gaap:ProvisionForDoubtfulAccounts us-gaap:IncomeStatementLocation

us-gaap:GeneralAndAdministrativeExpense


Provision
Period End2021-06-302021-03-31
Value03000000.0
Percentage of ProvisionForDoubtfulAccounts-0.00.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

ora:CrossCurrencySwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-06-30
Value6.808
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:CrossCurrencyInterestRateContract, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-03-312020-12-31
Value-11.10220
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.00.0

us-gaap:RepaymentsOfCommercialPaper

us-gaap:RepaymentsOfCommercialPaper


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.03.7754.541140.06.098-0.0
Percentage of RepaymentsOfCommercialPaper0.0100.0100.0100.0100.00.0100.00.0

us-gaap:RepaymentsOfDebt us-gaap:DebtInstrument

us-gaap:RepaymentsOfDebt

ora:SeniorUnsecuredBondsSeries2


Repayments
Period End2020-09-30
Value67
Percentage of RepaymentsOfDebt100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RepaymentsOfLongTermLinesOfCredit


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.098548642986639110121327977810873384254387204912593400.00.01394794377548279028997727655829321067925169479150871505685039.022
Percentage of RepaymentsOfLongTermLinesOfCredit0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

ora:December2020SARsRSUsPSUs


Share
Period End2020-12-20
Value0.61
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate100.0

ora:June2020Sars


Share
Period End2020-07-012020-06-15
Value0.640.0064
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.00.0

ora:November2020SARsAndRSUs


Share
Period End2020-11-07
Value0.61
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:Range, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

srt:Maximum, ora:December2020SARsRSUsPSUs


Share
Period End2020-12-20
Value30.15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0

srt:Maximum, ora:June2020SARsRSUsAndPSUs


Share
Period End2020-07-012020-06-15
Value35.735.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.00.0

srt:Maximum, ora:June2020Sars


Share
Period End2020-07-012020-06-15
Value35.70.352
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.00.0

srt:Maximum, ora:November2020SARsAndRSUs


Share
Period End2020-11-07
Value29.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

srt:Minimum, ora:December2020SARsRSUsPSUs


Share
Period End2020-12-20
Value37.68
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate125.0

srt:Minimum, ora:June2020Sars


Share
Period End2020-07-012020-06-15
Value28.50.285
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.00.0

srt:Minimum, ora:November2020SARsAndRSUs


Share
Period End2020-11-07
Value45.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:Range, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

srt:Maximum, ora:December2020SARsRSUsPSUs


Share
Period End2020-12-20
Value0.51
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0

srt:Maximum, ora:June2020SARsRSUsAndPSUs


Share
Period End2020-07-012020-06-15
Value0.170.28
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.00.0

srt:Maximum, ora:June2020Sars


Share
Period End2020-07-012020-06-15
Value0.170.0028
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.00.0

srt:Maximum, ora:November2020SARsAndRSUs


Share
Period End2020-11-07
Value0.44
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

srt:Minimum, ora:December2020SARsRSUsPSUs


Share
Period End2020-12-20
Value0.13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate25.5

srt:Minimum, ora:June2020SARsRSUsAndPSUs


Share
Period End2020-07-012020-06-15
Value0.410.44
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.00.0

srt:Minimum, ora:June2020Sars


Share
Period End2020-07-012020-06-15
Value0.410.0044
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.00.0

srt:Minimum, ora:November2020SARsAndRSUs


Share
Period End2020-11-07
Value0.12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value13000.01000.02000.031000.04000.0131000.0110000.052000.090979.0013000.08000.012000.0687000.0204000.039000.0559470.0-459470.0459790.0213.072000.033000.0174000.0295000.0-69924.012000.040000.018000.07000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-06-30
Value990000.0-2086000.0-420000.0-431000.01482000.0561000.0-507000.0330000.0370000.01209000.0-830000.0297000.0-537000.0-962000.0709000.0-1698000.0943000.01519000.0-700000.0219000.00162000.0-223000.0234000.0-11000.0-4129000.02493000.04165000.0526000.0-224000.0-4326000.0-1117000.03390000.0-5760000.0-4002000.0
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:AccountsReceivablePastDue us-gaap:MajorCustomers

ora:AccountsReceivablePastDue

ora:ENNE


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.45.5205.8242020202018
Percentage of AccountsReceivablePastDue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:KenyaPowerAndLightingCoLTD


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value43474852543840413429
Percentage of AccountsReceivablePastDue587.8860.0243.3912.1228.3192.0202.5204.5171.6163.3

ora:AccumulatedCashContributionsToAcquireProjects us-gaap:JointlyOwnedUtilityPlant

ora:AccumulatedCashContributionsToAcquireProjects

ora:Sarulla


Accumulated
Period End2020-12-31
Value62
Percentage of AccumulatedCashContributionsToAcquireProjects100.0

ora:AssumptionOfProductiveAssetsPercentAcquired us-gaap:CounterpartyName, us-gaap:SubsequentEventType

ora:AssumptionOfProductiveAssetsPercentAcquired

ora:TGGeothermalPortfolioLLC, us-gaap:SubsequentEvent


Assumption
Period End2021-07-14
Value100.0
Percentage of AssumptionOfProductiveAssetsPercentAcquired100.0

ora:BillingsToDate

ora:BillingsToDate


Billings
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value214160255530381287124382089823
Percentage of BillingsToDate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress us-gaap:BusinessAcquisition

ora:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value20
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress100.0

ora:CashCashEquivalentsAndRestrictedCashFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

ora:CashCashEquivalentsAndRestrictedCashFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3039283736362827252118
Percentage of CashCashEquivalentsAndRestrictedCashFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:CashCashEquivalentsAndRestrictedCashFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3039283736362827252118
Percentage of CashCashEquivalentsAndRestrictedCashFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3039283736362827252118
Percentage of CashCashEquivalentsAndRestrictedCashFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:ContractWithCustomerLiabilityCurrentCustomerAdvance

ora:ContractWithCustomerLiabilityCurrentCustomerAdvance


Contract
Period End2020-12-312019-12-312018-12-312017-12-31
Value1197000.02092000.0918000.01177000.0
Percentage of ContractWithCustomerLiabilityCurrentCustomerAdvance100.0100.0100.0100.0

ora:CurrentPortionOfLongTermDebtWithFullRecourse

ora:CurrentPortionOfLongTermDebtWithFullRecourse


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value56261717767676769.3689.3685.05.05.02.8093.0870.86410101212111111171717192423282828282828202020201814141312
Percentage of CurrentPortionOfLongTermDebtWithFullRecourse100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:DebtInstrumentCovenantEquityCapitalToTotalAssetsPercent us-gaap:DebtInstrument, us-gaap:SubsequentEventType

ora:DebtInstrumentCovenantEquityCapitalToTotalAssetsPercent

ora:HSBCLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-15
Value25.0
Percentage of DebtInstrumentCovenantEquityCapitalToTotalAssetsPercent100.0

ora:HapoalimLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-12
Value25.0
Percentage of DebtInstrumentCovenantEquityCapitalToTotalAssetsPercent0.0

ora:DebtInstrumentCovenantMinimumEquityCapitalAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

ora:DebtInstrumentCovenantMinimumEquityCapitalAmount

ora:HSBCLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-15
Value750
Percentage of DebtInstrumentCovenantMinimumEquityCapitalAmount100.0

ora:HapoalimLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-12
Value750
Percentage of DebtInstrumentCovenantMinimumEquityCapitalAmount0.0

ora:DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents

ora:DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents


Debt
Period End2021-06-302021-03-31
Value6332
Percentage of DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents100.0100.0

ora:DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents us-gaap:InvestmentType

us-gaap:CommercialPaper


Debt
Period End2021-06-302021-03-31
Value117.768
Percentage of DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents18.223.6

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-31
Value3017
Percentage of DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents48.753.5

us-gaap:ForeignCorporateDebtSecurities


Debt
Period End2021-06-302021-03-31
Value2.8492.873
Percentage of DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents4.58.7

us-gaap:MoneyMarketFunds


Debt
Period End2021-06-302021-03-31
Value173.751
Percentage of DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents27.111.4

us-gaap:MunicipalBonds


Debt
Period End2021-06-302021-03-31
Value0.9380.937
Percentage of DebtSecuritiesAvailableforsaleIncludingAmountsInCashAndCashEquivalents1.52.8

ora:DeferredTaxAssetsBeforeUncertainTaxBenefits

ora:DeferredTaxAssetsBeforeUncertainTaxBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3132524.6243628
Percentage of DeferredTaxAssetsBeforeUncertainTaxBenefits100.0100.0100.0100.0100.0100.0

ora:DeferredTaxAssetsLeaseLiabilities

ora:DeferredTaxAssetsLeaseLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value3846000.03755000.00
Percentage of DeferredTaxAssetsLeaseLiabilities100.0100.00.0

ora:DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset

ora:DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value313252-4.719-36.411
Percentage of DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset100.0100.0100.0100.0100.0

ora:DeferredTaxAssetsLiabilitiesGross

ora:DeferredTaxAssetsLiabilitiesGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5349747074374461709.11-11.684
Percentage of DeferredTaxAssetsLiabilitiesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:DeferredTaxAssetsStockOptionsAmortization

ora:DeferredTaxAssetsStockOptionsAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1510000.01409000.01440000.01166000.03241000.03467000.04467000.03464000.03072000.02934000.02276000.0
Percentage of DeferredTaxAssetsStockOptionsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts

ora:DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6777000.01013000.0624000.02931000.0-752000.02435000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts100.0100.0100.0100.0100.0100.0

ora:DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset

ora:DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset


Deferred
Period End2020-12-312019-12-312018-12-31
Value3753000.03715000.00
Percentage of DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset100.0100.00.0

ora:DeferredTaxLiabilitiesWithholdingTax

ora:DeferredTaxLiabilitiesWithholdingTax


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value12158.05214
Percentage of DeferredTaxLiabilitiesWithholdingTax100.0100.0100.0100.0

ora:DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation

ora:DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation


Deferred
Period End2020-12-312019-12-312018-12-31
Value668857
Percentage of DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation100.0100.0100.0

ora:DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal

ora:DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal


Defined
Period End2020-12-31
Value20
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal100.0

ora:DepositsAndOtherAssetsNoncurrent

ora:DepositsAndOtherAssetsNoncurrent


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value575266393737382120181820202121171820181818171717181720212324223138393627252222212221
Percentage of DepositsAndOtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:DepositsAndOtherAssetsNoncurrent us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

ora:IsraeliSeveranceFunds


Deposits
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value101010131214151919
Percentage of DepositsAndOtherAssetsNoncurrent16.028.258.264.469.079.379.690.254.1

ora:DerivativesCashCollateralDeposits us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

ora:DerivativesCashCollateralDeposits

ora:DepositsAndOtherAndAccountsPayableAndAccruedExpenses, us-gaap:CrossCurrencyInterestRateContract


Derivatives
Period End2020-12-31
Value0
Percentage of DerivativesCashCollateralDeposits0.0

ora:OtherReceivables, us-gaap:CrossCurrencyInterestRateContract


Derivatives
Period End2020-09-30
Value8300000.0
Percentage of DerivativesCashCollateralDeposits0.0

ora:InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses

ora:InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1031049891847681737171716766633425132.806
Percentage of InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses us-gaap:JointlyOwnedUtilityPlant

ora:IjenGeothermalProjectCompany


Investment
Period End2020-12-312019-12-312018-12-31
Value30100.0
Percentage of InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses31.313.00.0

ora:Sarulla


Investment
Period End2020-12-312019-12-312018-12-31
Value677071
Percentage of InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses68.787.0100.0

ora:LiabilityAssociatedWithSaleOfTaxBenefits

ora:LiabilityAssociatedWithSaleOfTaxBenefits


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10110711111211812112311866686969704244464851541.0432.0646.71411182733394450566065707751566064697478836673
Percentage of LiabilityAssociatedWithSaleOfTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:LimitedAndNonRecourseDebt

ora:LimitedAndNonRecourseDebt


Limited
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-312011-12-312010-12-31
Value674732775622681640632595476361
Percentage of LimitedAndNonRecourseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:LimitedAndNonRecourseDebt us-gaap:DebtInstrument

ora:OrmatFundingCorp


Limited
Period End2020-12-312019-12-312018-12-312017-12-31
Value188203217232
Percentage of LimitedAndNonRecourseDebt27.927.728.137.4

ora:OtherLoansLimitedResource


Limited
Period End2020-12-312019-12-312018-12-31
Value848896
Percentage of LimitedAndNonRecourseDebt12.512.112.4

ora:LimitedAndNonRecourseDebtCurrent

ora:LimitedAndNonRecourseDebtCurrent


Limited
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-312011-12-312010-12-31
Value60586354535151393536
Percentage of LimitedAndNonRecourseDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:LimitedAndNonrecourseDebtNoncurrent

ora:LimitedAndNonrecourseDebtNoncurrent


Limited
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value614673712567627588
Percentage of LimitedAndNonrecourseDebtNoncurrent100.0100.0100.0100.0100.0100.0

ora:LineOfCreditFacilityBorrowingCapacityIncrease us-gaap:DebtInstrument

ora:LineOfCreditFacilityBorrowingCapacityIncrease

ora:HSBCBankUSANA


Line
Period End2020-12-31
Value10000000.0
Percentage of LineOfCreditFacilityBorrowingCapacityIncrease100.0

ora:OperatingLossCarryforwardsAvailableForIndefinitePeriod us-gaap:IncomeTaxAuthority

ora:OperatingLossCarryforwardsAvailableForIndefinitePeriod

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-31
Value4800000.04800000.06000000.0
Percentage of OperatingLossCarryforwardsAvailableForIndefinitePeriod100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-31
Value2600000.02400000.03300000.0
Percentage of OperatingLossCarryforwardsAvailableForIndefinitePeriod54.250.055.0

ora:OperatingLossCarryforwardsExpiringAmount us-gaap:IncomeTaxAuthority

ora:OperatingLossCarryforwardsExpiringAmount

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-31
Value67127
Percentage of OperatingLossCarryforwardsExpiringAmount100.0100.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-31
Value287275
Percentage of OperatingLossCarryforwardsExpiringAmount423.1215.4

ora:OtherLongTermDebtFairValueDisclosure us-gaap:FairValueByMeasurementBasis

ora:OtherLongTermDebtFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1616171716161717186.26.26.46.47.87.98.09.79.5116.7
Percentage of OtherLongTermDebtFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1516171616161616165.35.45.45.46.67.07.38.98.6106.7
Percentage of OtherLongTermDebtFairValueDisclosure98.198.298.998.898.297.693.794.292.985.587.184.484.484.688.691.291.890.592.9100.0

ora:PercentageForRoyaltyToBePaid dei:LegalEntity, us-gaap:Range

ora:PercentageForRoyaltyToBePaid

ora:OrmatSystemsLtd, srt:Maximum


Percentage
Period End2020-12-31
Value5.0
Percentage of PercentageForRoyaltyToBePaid100.0

ora:OrmatSystemsLtd, srt:Minimum


Percentage
Period End2020-12-31
Value3.5
Percentage of PercentageForRoyaltyToBePaid70.0

ora:PercentageOfCompanyAssets

ora:PercentageOfCompanyAssets


Percentage
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312013-12-31
Value49.90.4660.4630.5110.47530.345
Percentage of PercentageOfCompanyAssets100.0100.0100.0100.0100.0100.0

ora:PercentageOfCompanyAssets us-gaap:StatementScenario

ora:CovenantRequirementMinimum


Percentage
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312013-12-31
Value25.00.250.250.250.250.3
Percentage of PercentageOfCompanyAssets50.153.654.048.952.687.0

ora:PropertyPlantAndEquipmentIncludingConstructionInProgressNet

ora:PropertyPlantAndEquipmentIncludingConstructionInProgressNet


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value20811841169614471376
Percentage of PropertyPlantAndEquipmentIncludingConstructionInProgressNet100.0100.0100.0100.0100.0

ora:PropertyPlantAndEquipmentIncludingConstructionInProgressNet dei:LegalEntity

ora:OrtitlanLimitada


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4242434040
Percentage of PropertyPlantAndEquipmentIncludingConstructionInProgressNet2.02.32.62.82.9

ora:OrzunilIDeElectricidadLimitada


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1010149.912
Percentage of PropertyPlantAndEquipmentIncludingConstructionInProgressNet0.50.60.90.70.9

ora:PropertyPlantAndEquipmentIncludingConstructionInProgressNet us-gaap:CapitalizedContractCost

ora:GeotermicaPlatanares


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value9796105140
Percentage of PropertyPlantAndEquipmentIncludingConstructionInProgressNet4.75.26.29.7

ora:GeothermieBouillanteSaGb


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value32242324
Percentage of PropertyPlantAndEquipmentIncludingConstructionInProgressNet1.51.31.41.7

ora:PropertyPlantAndEquipmentIncludingConstructionInProgressNet us-gaap:StatementGeographical

ora:ForeignCountries


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value496506524580487
Percentage of PropertyPlantAndEquipmentIncludingConstructionInProgressNet23.927.530.940.135.4

ora:PropertyPlantAndEquipmentIncludingConstructionInProgressNet us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

country:KE, ora:PowerPlants


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value289284302326315
Percentage of PropertyPlantAndEquipmentIncludingConstructionInProgressNet13.915.517.822.522.9

ora:PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet

ora:PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-01-012018-12-31
Value2175214820992036203819811971196219461959
Percentage of PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value20372012197819301.9310331889188018601859
Percentage of PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet93.793.694.294.80.195.495.494.894.9

ora:RecourseDebt

ora:RecourseDebt


Recourse
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-312011-12-312010-12-31
Value799474510306274280444435548428
Percentage of RecourseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:RecourseDebt us-gaap:DebtInstrument

ora:OlkariaIIIDEG


Recourse
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-31
Value7079475065233947
Percentage of RecourseDebt8.816.89.316.323.98.48.910.9

ora:SeniorUnsecuredBonds


Recourse
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-31
Value529204204204204249250250
Percentage of RecourseDebt66.243.140.066.774.389.256.357.6

ora:SeniorUnsecuredLoanMigdal


Recourse
Period End2020-12-312019-12-31
Value200150
Percentage of RecourseDebt25.031.6

ora:RecourseDebtCurrent

ora:RecourseDebtCurrent


Recourse
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-312011-12-312010-12-31
Value1711716454121128282013
Percentage of RecourseDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:RecourseDebtNoncurrent

ora:RecourseDebtNoncurrent


Recourse
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-312011-12-312010-12-31
Value781357346251262269416406527415
Percentage of RecourseDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ora:RoyaltyCapAmount dei:LegalEntity

ora:RoyaltyCapAmount

ora:OrmatSystemsLtd


Royalty
Period End2020-12-31
Value2100000.0
Percentage of RoyaltyCapAmount100.0

ora:RoyaltycapAmountLIBORRate dei:LegalEntity

ora:RoyaltycapAmountLIBORRate

ora:OrmatSystemsLtd


Royaltycap
Period End2020-12-31
Value1100000.0
Percentage of RoyaltycapAmountLIBORRate100.0

ora:SchedulingAndTransmissionCurrent

ora:SchedulingAndTransmissionCurrent


Scheduling
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2632000.02264000.0595000.0531000.0964000.01547000.01771000.01300000.0
Percentage of SchedulingAndTransmissionCurrent100.0100.0100.0100.0100.0100.0100.0100.0

ora:ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber us-gaap:PlanName

ora:ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber

ora:The2018IncentivePlan


Share
Period End2020-12-312019-12-312018-12-31
Value704000.0479000.0846000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber100.0100.0100.0

ora:SuretyBondsOutstanding us-gaap:CounterpartyName, us-gaap:DebtInstrument

ora:SuretyBondsOutstanding

ora:Chubb, ora:SuretyAgreement


Surety
Period End2020-12-31
Value153
Percentage of SuretyBondsOutstanding100.0

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsPayableTradeCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7573566448414849516951
Percentage of AccountsPayableTradeCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent


Accrual
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1378000.03033000.02999000.01860000.01884000.03609000.04192000.04671000.04399000.03323000.02960000.0
Percentage of AccrualForTaxesOtherThanIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AccruedRoyaltiesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3581000.06457000.04610000.02909000.01639000.01818000.02104000.01531000.01646000.01065000.01058000.0
Percentage of AccruedRoyaltiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:JointlyOwnedUtilityPlant

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax

us-gaap:InterestRateSwap, ora:Sarulla


Accumulated
Period End2020-12-312019-12-312018-12-31
Value106.32.9
Percentage of AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-900000.01500000.001400000.01200000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.00.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value419000.0597000.0597000.0779000.0779000.0779000.00
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.00.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201613


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value419000.0597000.0597000.0779000.0779000.0779000.0755000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.00.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value635039272320191819211914
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6564635251505044434139373727272424232322212120201919191919191820201919222221212120201914
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-31
Value11000.020000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

ora:MaturityLessThan12Months


Available
Period End2021-06-302021-03-31
Value11000.020000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument, us-gaap:InvestmentType

ora:MaturityLessThan12Months, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value10000.012000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax90.960.0

ora:MaturityLessThan12Months, us-gaap:ForeignCorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value1000.08000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax9.140.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:InvestmentType

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value10000.012000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax90.960.0

us-gaap:ForeignCorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value1000.08000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax9.140.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-31
Value6232
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-31
Value117.768
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis18.323.6

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value3017
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis48.653.5

us-gaap:ForeignCorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value2.8412.856
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis4.58.7

us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-31
Value173.751
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis27.211.4

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-31
Value0.920.931
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1.52.8

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-31
Value4527
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-31
Value175.2
Percentage of AvailableForSaleSecuritiesDebtSecurities37.218.7

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Available
Period End2021-06-30
Value63
Percentage of AvailableForSaleSecuritiesDebtSecurities137.1

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Available
Period End2021-06-30
Value63
Percentage of AvailableForSaleSecuritiesDebtSecurities137.1

us-gaap:EstimateOfFairValueFairValueDisclosure


Available
Period End2021-06-30
Value63
Percentage of AvailableForSaleSecuritiesDebtSecurities137.1

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

ora:MaturityLessThan12Months


Available
Period End2021-06-302021-03-31
Value6332
Percentage of AvailableForSaleSecuritiesDebtSecurities137.1118.9

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument, us-gaap:InvestmentType

ora:MaturityLessThan12Months, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-31
Value117.768
Percentage of AvailableForSaleSecuritiesDebtSecurities24.928.0

ora:MaturityLessThan12Months, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value3017
Percentage of AvailableForSaleSecuritiesDebtSecurities66.863.6

ora:MaturityLessThan12Months, us-gaap:ForeignCorporateDebtSecurities


Available
Period End2021-06-302021-03-31
Value2.8492.873
Percentage of AvailableForSaleSecuritiesDebtSecurities6.210.4

ora:MaturityLessThan12Months, us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-31
Value173.751
Percentage of AvailableForSaleSecuritiesDebtSecurities37.113.5

ora:MaturityLessThan12Months, us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-31
Value0.9380.937
Percentage of AvailableForSaleSecuritiesDebtSecurities2.03.4

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value100.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value44
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value200000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value800000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value19
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

ora:PomonaEnergyStorage, ora:LongtermEnergyStorageResourceAdequacyAgreement


Business
Period End2020-07-20
Value17
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

ora:PomonaEnergyStorage, ora:OtherContractRights


Business
Period End2020-07-20
Value2.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles11.3

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value1.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value43
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value20
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

ora:PomonaEnergyStorage


Business
Period End2020-07-20
Value43
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:CapitalizedCostsAssetRetirementCosts

us-gaap:CapitalizedCostsAssetRetirementCosts


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value281911108.6697.9617.4447.8037.2149.4419.562
Percentage of CapitalizedCostsAssetRetirementCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value32946553628924931915318018117217715514210596119167234264235
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFDICInsuredAmount

us-gaap:CashFDICInsuredAmount


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2229182711141231
Percentage of CashFDICInsuredAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashUninsuredAmount

us-gaap:CashUninsuredAmount


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value647572991162288493
Percentage of CashUninsuredAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetGross

us-gaap:ContractWithCustomerAssetGross


Contract
Period End2020-12-312019-12-312018-12-312017-12-31
Value24384240
Percentage of ContractWithCustomerAssetGross100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value132024181922384327294247464140
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1312117.6835.5995.9372.7556.00314151821161020
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount dei:LegalEntity, us-gaap:DebtInstrument

us-gaap:DebtInstrumentCarryingAmount

ora:Guadeloupe1, ora:LoanAgreementWithBpifrance


Debt
Period End2020-12-312019-12-31
Value9.89.0
Percentage of DebtInstrumentCarryingAmount100.0100.0

ora:Guadeloupe1, ora:LoanAgreementWithSocieteGeneral


Debt
Period End2020-12-312019-12-31
Value7.88.4
Percentage of DebtInstrumentCarryingAmount79.693.3

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

ora:AdditionalMigdalLoan


Debt