BE


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity
us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfRevenue
dei:LegalEntity
us-gaap:ProductOrService

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

us-gaap:InterestExpense
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestPaidNet
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:LitigationSettlementExpense

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

us-gaap:Revenues
us-gaap:ProductOrService

us-gaap:SellingAndMarketingExpense

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:FinancialInstrument

us-gaap:AccountsReceivableNetCurrent
us-gaap:ConsolidatedEntities

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:AssetsNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:Range, us-gaap:StatementScenario, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:OtherAssetsNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:AccountsPayableCurrent

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtCurrent
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:LongtermDebtType
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebt
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:LongtermDebtType
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:LongTermDebtNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:LongtermDebtType
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiability
us-gaap:Range, us-gaap:StatementScenario, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AmortizationOfFinancingCosts

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

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

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:PlanName
us-gaap:PlanName, us-gaap:StatementClassOfStock

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

be:AccruedDebtInterestAndIssuanceCostsIncurredDuringPeriod
us-gaap:StatementEquityComponents
be:AdjustmentsToAdditionalPaidInCapitalEmbeddedDerivative

be:AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims
us-gaap:IncomeStatementLocation

be:ContractWithCustomerAssetRecognizedDuringThePeriod

be:ContractWithCustomerLiabilityAdditions

be:ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance

be:DebtConversionConvertedInstrumentAmountRelatedPartyIntoCommonStock
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
be:DerivativeGainOnDerivativeGainFromSettlementsOfContracts

be:EmbeddedDerivativeAdjustment

be:EmbeddedDerivativeGainLossonEmbeddedDerivativeNetAndFairValueAdjustmentOfWarrants

be:FinanceLeaseCost

be:GainLossOnExtinguishmentOfDebtBeforeRevaluationOfFairValueOfDebtDerivativesUponConversion

be:GainLossOnLongTermPurchaseContract

be:IncreaseDecreaseOnAccruedWarrantyLiability

be:IncreaseDecreaseOperatingLeaseLiabilities

be:IncreaseDecreaseinConstructionInProgress
us-gaap:PropertyPlantAndEquipmentByType

be:InventoryProvision

be:NonCashLeaseExpense
us-gaap:StatementEquityComponents
be:NoncontrollingInterestIncreaseFromOtherTransactions

be:OperatingAndShortTermLeaseCost

be:OtherComprehensiveIncomeLossNetofTaxIncludingNoncontrollingInterestAndNetincomeLossAttributableToParent

be:ProceedsFromFinancingObligations
dei:LegalEntity
be:ProceedsfromNoncashContributionsfromParent

be:RecognitionOfFinancingLeaseRightOfUseAssetsInPeriod

be:RecognitionOfOperatingLeaseRightOfUseAssetsInPeriod

be:RepaymentsOfFinancingObligations
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
be:RestrictedCashReleased

be:SharebasedCompensationAndIssuanceOfStockAndWarrantsForServicesOrClaims

be:StandardAndExtendedProductWarrantyAccrualIncreaseDecreaseForPreexistingWarrantiesAndDecreaseForPayments
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:CapitalExpendituresIncurredButNotYetPaid

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

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:ContractWithCustomerDuration

us-gaap:DebtConversionConvertedInstrumentAmount1
us-gaap:CounterpartyName, us-gaap:StatementClassOfStock
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:Depreciation
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertySubjectToOrAvailableForOperatingLease

us-gaap:DerivativeGainLossOnDerivativeNet
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
us-gaap:PlanName
us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
us-gaap:FinancialInstrument

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInDeferredCharges

us-gaap:IncreaseDecreaseInLeasingReceivables

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:InterestExpenseRelatedParty

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:LeaseAndRentalExpense

us-gaap:LeaseCost

us-gaap:OperatingLeaseCost
us-gaap:ProductOrService
us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense
us-gaap:ProductOrService
us-gaap:OperatingLeasesIncomeStatementLeaseRevenue

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:PaymentsOfDebtIssuanceCosts
dei:LegalEntity
us-gaap:PaymentsOfDistributionsToAffiliates
dei:LegalEntity
us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsToMinorityShareholders
dei:LegalEntity
us-gaap:ProceedsFromContributionsFromAffiliates
dei:LegalEntity
us-gaap:ProceedsFromContributionsFromParent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromRelatedPartyDebt

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
dei:LegalEntity
us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfRelatedPartyDebt

us-gaap:RevenueFromRelatedParties
us-gaap:CounterpartyName
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShortTermLeaseCost

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued
us-gaap:CounterpartyName, us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueConversionOfUnits
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts

be:AccruedInstallationLiabilityCurrent

be:CapitalLeasesFutureMinimumPaymentsDueAfterYearFour

be:CapitalLeasesNetInvestmentinSalesTypeLeasesMinimumPaymentstobeReceivedNetofExecutoryCosts
dei:LegalEntity
be:CashAllocationHeldByNoncontrollingInterestPercentage

be:ContractWithCustomerLiabilityCustomerDeposits

be:ContractWithCustomerLiabilityDeferredRevenue

be:ContractWithCustomerLiabilityIncentiveRevenue
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
be:DebtCovenantMinimumDebtServiceReservesRequired
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
be:DebtInstrumentAccruedAndUnpaidInterest
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
be:DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
be:DebtInstrumentDeemedPremium
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
be:DebtIssuanceCostsAttributableToEquityComponentNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
be:DebtIssuanceCostsAttributableToLiabilityComponentNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
be:DebtOtherIssuanceCostsNet

be:DeferredGovernmentGrantObligationCurrent

be:DeferredGovernmentGrantObligationNoncurrent

be:DeferredRevenueAndCustomerDepositsCurrent

be:DeferredRevenueAndCustomerDepositsNoncurrent
us-gaap:ConsolidatedEntities

be:DeferredTaxAssetsDepreciationandAmortization

be:DeferredTaxAssetsLeasingArrangements

be:DeferredTaxAssetsTaxCreditandOperatingLossCarryforwards

be:DeferredTaxLiabilitiesLeasesRightOfUseAssets

be:DeferredTaxLiabilitiesOriginalIssueDiscount
us-gaap:AwardType
be:EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedSharebasedAwardsOtherthanOptions
us-gaap:PlanName

be:EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedStockOptions

be:FinanceLeaseLiabilityToBePaidAfterYearFour
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

be:FinancingObligationCurrent

be:FinancingObligationNoncurrent

be:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsDueAfterFourYears

be:GovernmentGrantCumulativeCompensationPaidToDate

be:GovernmentGrantMaximumPossibleRepaymentAmountRecapturePeriodTwo
dei:LegalEntity
be:IncomeLossAndTaxBenefitsAllocationHeldByNoncontrollingInterestPercentage
dei:LegalEntity
be:IncomeLossTaxandCashAllocationHeldByNoncontrollingInterestAfterFlipDatePercentage

be:IncreaseInRecourseDebtNonCurrent

be:LeaseLiability

be:LeaseLiabilityCurrent

be:LeaseLiabilityNoncurrent

be:LeaseReceivableNoncurrent

be:LeasesRightOfUseAsset

be:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour
us-gaap:ConsolidatedEntities

be:LesseeOperatingLeasesLeaseNotYetCommencedAmount
be:LeaseArrangement, us-gaap:ConsolidatedEntities
be:LessorOperatingLeasePaymentToBeReceivedAfterYearFour
us-gaap:ConsolidatedEntities

be:LiabilitiesCurrentExcludingLongtermDebtCurrentMaturities
us-gaap:ConsolidatedEntities

be:LiabilitiesNoncurrentExcludingLongtermDebtExcludingRelatedParty
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
be:LongTermDebtMaturitiesDueNextQuarter

be:LongTermDebtMaturityAfterYearFour

be:LongtermPortionofNonRecourseDebtExcludingRelatedPartyCurrentMaturities

be:LongtermPortionofNonRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:LongtermPortionofRecourseDebtExcludingRelatedPartyCurrentMaturities

be:LongtermPortionofRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities
dei:LegalEntity
be:LongtermPurchaseCommitmentEnergyVolumeInstalled

be:ManagedServicesLiabilitiesCurrent

be:ManagedServicesLiabilitiesNoncurrent

be:OperatingLeasesFutureMinimumPaymentsDueAfterYearFourThereafter

be:PrepaidExpenseandOtherAssetsCurrentOther

be:PrepaidInsuranceNoncurrent

be:PrepaidMaintenance

be:SalesTypeAndDirectFinancingLeasesLeaseReceivableLongTermPortion

be:SalesTypeAndDirectFinancingLeasesLeaseReceivableShortTermPortion

be:ShareBasedPaymentArrangementAmountCapitalize

be:SharebasedCompensationArrangementbySharebasedPaymentAwardOutstandingIntrinsicValue

be:SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestExercisableAggregateIntrinsicValue

be:SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestOutstandingAggregateIntrinsicValue

be:StandardAndExtendedProductWarrantyAccrualCurrent

be:StandardProductPerformanceAccrual

be:StandardProductWarrantyAccrualExcludingProductPerformance

be:UnrecognizedTaxBenefitsThatWouldImpactValuationAllowance
us-gaap:StatementClassOfStock
dei:EntityCommonStockSharesOutstanding

us-gaap:AccountsPayableOtherCurrent
us-gaap:CounterpartyName
us-gaap:AccountsReceivableRelatedParties
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AreaOfRealEstateProperty

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CapitalLeaseObligations

us-gaap:CapitalLeaseObligationsCurrent

us-gaap:CapitalLeaseObligationsNoncurrent

us-gaap:CapitalLeasesFutureMinimumPaymentsDue

us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivable

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableCurrent

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInFourYears

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear

us-gaap:CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesCurrent
us-gaap:ConsolidatedEntities

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeases

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesDeferredIncome

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesExecutoryCosts

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesUnguaranteedResidualValuesOfLeasedProperty

us-gaap:CapitalizedContractCostNet

us-gaap:CapitalizedContractCostNetNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FinancialInstrument
us-gaap:ClassOfWarrantOrRight
us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
us-gaap:ClassOfWarrantOrRight, us-gaap:StatementClassOfStock

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerReceivableAfterAllowanceForCreditLoss

us-gaap:DebtInstrumentCarryingAmount
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType
us-gaap:LongtermDebtType
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrumentConvertibleConversionPrice1
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:StatementClassOfStock
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentRepurchaseAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedPremium
us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DeferredCosts

us-gaap:DeferredCostsCurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DepositsAssetsNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:DerivativeLiabilityMeasurementInput
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeNotionalAmount

us-gaap:DueFromRelatedPartiesCurrent

us-gaap:EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:EmbeddedDerivativeLiabilityMeasurementInput

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EquityMethodInvestments

us-gaap:ExtendedProductWarrantyAccrual

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
us-gaap:FinancialInstrument

us-gaap:FinanceLeaseLiability
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityCurrent
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityNoncurrent
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDue
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinThreeYears

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinTwoYears

us-gaap:InterestPayableCurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryValuationReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:ConsolidatedEntities
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceived
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears
us-gaap:ConsolidatedEntities
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
us-gaap:ConsolidatedEntities
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears
us-gaap:ConsolidatedEntities
be:LeaseArrangement, us-gaap:ConsolidatedEntities
us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCredit
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:MinimumLeasePaymentsSaleLeasebackTransactionsRemainderOfFiscalYear

us-gaap:NetInvestmentInLeaseCurrent

us-gaap:NetInvestmentInLeaseNoncurrent

us-gaap:NontradeReceivablesCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDue

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OtherInventoryInventoryAtOffSitePremises

us-gaap:OtherSundryLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:PrepaidExpenseAndOtherAssetsNoncurrent

us-gaap:ProductWarrantyAccrual

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ConsolidatedEntities
us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
us-gaap:ConsolidatedEntities, us-gaap:PropertySubjectToOrAvailableForOperatingLease
us-gaap:ConsolidatedEntities, us-gaap:PropertySubjectToOrAvailableForOperatingLease
us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:ReceivablesFairValueDisclosure

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RestrictedCash
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashCurrent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RestrictedCashNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:SalesAndExciseTaxPayableCurrent

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivable

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount

us-gaap:SalesTypeLeaseLeaseReceivable

us-gaap:SalesTypeLeaseNetInvestmentInLease

us-gaap:SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss

us-gaap:SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLossCurrent
us-gaap:ConsolidatedEntities

us-gaap:SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLossNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:StandardProductWarrantyAccrual
us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount

us-gaap:TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Other Nonoperating Income Expense
Balance Sheet
Stockholders Equity
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Weighted Average Number Of Share Outstanding Basic And Diluted
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
InventoryNet
Inventory Finished Goods Net Of Reserves

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue ███▄▁0.0170.0170.0170.0150.013NA0.0120.0120.0110.0110.0110.0110.0010.0010.001NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 172.749NANANA125.928NANANANANANA81.32110.536NANA10.30510.209NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 172.749NANANA125.928NANANANANANA81.32110.536NANA10.30510.209NA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NA170.745NA138.964125.928123.763118.588116.33113.622111.842109.41681.32110.53610.40310.33310.30510.20910.143
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█20.5922.812NA39.27835.9545.716NA31.83533.73332.431NA28.05588.46589.257NA88.51988.472NA
us-gaap:EarningsPerShareBasic -0.31NANANA-0.34NANANANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted -0.31NANANA-0.34NANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NA-0.15-0.1299999999999999-0.09-0.34-0.61-0.58-0.3-0.55-0.76-0.91-0.97-4.34-1.7-6.56-6.97-6.22-5.87
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 Cost Ratio us-gaap:ProductOrService be:Installation█▁█▇█▅▄▅▅▆▆█▇▄▆▄▄▃28.8792.65928.82726.60329.83916.61814.42919.0117.28522.25821.36329.6926.24514.11821.60114.97814.35412.293
 Cost Ratio us-gaap:ProductOrService us-gaap:Electricity████▇▇▆▁▅▅▅▆▆▆▆▆▅▅17.01717.00116.62216.48515.61215.37515.0598.24812.93913.42513.8214.05914.00714.02914.8114.02113.61913.648
 Cost Ratio us-gaap:ProductOrService us-gaap:Product▆▆█▆▅▄▇██▆▇▅▅▅▃▂▂▁146.867137.93171.801131.076116.19799.559158.427182.616179.899141.734156.671125.69108.654121.30766.91345.25539.93527.665
 Cost Ratio us-gaap:ProductOrService us-gaap:Service██▆▄▄▄▄▃▃▃▂▂▂▂▂▁▁▁35.70736.41732.13726.14126.20825.14725.62823.59723.65923.2921.75220.75119.97519.90719.92719.51118.87518.591
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:EmployeeStockOption▁▂▂▂▃▄█▇▇█3.44.04.24.44.95.69.58.59.09.2NANA7.6NANANA7.4NA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:RestrictedStockUnitsRSU▂▁▁▁▁▂▃▄▆█14.110.710.8000000000000049.610.513.222.827.839.751.0NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▆▇▇█▆▅▁▇▅▄▃▄▆█▅▅▅-51.091-34.312-27.137-11.954-42.536-75.954-141.909-34.902-62.369-88.663-99.924-78.52-45.575-17.437-67.534-71.756-63.516NA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity be:PowerPurchaseAgreementCompany5▁▁▃▁▁█▁▁▁▅▁▁▁▂▁▁0.00.11.70.00.05.70.00.00.03.50.00.00.00.90.00.0NANA
us-gaap:CostOfRevenue █▅▇▅▆▄█▇█▇█▆▄▄▃▃▂▁191.126139.356185.761144.318161.607136.768188.595180.006192.109184.952196.358166.805136.11125.695111.201108.85592.58981.395
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA0.01.220.0-14.0980.00.00.00.00.00.0NANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▅▄▄▄▃▄▅▆▇▆█▇▂▁▁▁▁▁31.65525.80127.61425.42824.94529.09833.31536.59943.66239.07447.47140.99915.35914.98814.81813.65214.32512.879
us-gaap:GrossProfit ▆▇█▇▅▄▅▇▆▄▄▄▅▆▃▁▂▂37.34454.65163.62655.98726.24919.93124.94853.46541.67315.75517.24823.38532.77143.66612.05-15.09-5.806-9.198
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▇▇█▆▃▄▆▄▂▁▃▅█▄▃▄▄-58.108-29.657-31.607-17.869-47.837-81.518-70.98-39.8-66.973-88.065-103.364-82.513-50.06-22.015-72.041-76.044-67.37-65.174
us-gaap:IncomeTaxExpenseBenefit ▄▂▂▂▃▂▂▂▃▃█▂▂▄▁▄▃▃0.3130.124-0.0160.0070.1410.1240.0310.1360.2580.2081.079-0.0030.1280.333-0.120.3140.2280.214
us-gaap:IncomeTaxesPaid ▂▂▁▂▃▁▂▃▄▃█▅▃▅▃▃0.1130.0720.0180.1290.1950.0290.1450.2180.2750.2220.6960.4270.2240.4010.2480.247NANA
us-gaap:InterestExpense ▁▁▃▂▁▃█▂▂▂▂▂▄▃▅▅14.614.721.320.315.222.141.416.918.317.617.818.825.224.029.828.9NANA
us-gaap:InterestExpenseDebt ▂▂▅▅▂▅▅▃▃▃▃▄▇▁██▇▃14.55314.73121.24619.90214.37420.75421.63515.2816.72515.96216.17817.37626.16711.3927.84626.94625.55416.847
us-gaap:InterestPaidNet ▃▃▃▅▄▄█▃▂▃▂▃▁▂▁▁12.25614.96315.04422.1216.69717.7933.95712.0279.32214.5458.86414.0615.32411.2165.0745.556NANA
us-gaap:LitigationSettlementExpense NANA1.2NANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▅▇▇█▆▃▄▆▄▂▁▃▅█▄▃▄▄-53.863-24.889-27.138-11.954-42.512-75.949-65.833-34.903-62.216-84.441-99.781-78.579-45.677-17.716-67.761-71.831-63.475-59.532
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆▄▆▁▃▂▃▄▄█▅█▆▅▇▆▇▁-4.558-4.892-4.453-5.922-5.466-5.693-5.178-5.027-5.015-3.832-4.662-3.931-4.512-4.632-4.16-4.527-4.123-5.856
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▁█-53.863-24.889NANA-42.512-75.949-68.287-51.75-81.911-104.92-115.449-78.579-45.677-21.591-67.761-71.831-63.475NA
us-gaap:OperatingExpenses ▆▅▄▃▃▄▅▅▇▆█▆▂▂▂▁▁▁80.05569.04868.14456.35955.74966.32672.8278.11391.79388.396105.42489.49638.02637.98139.34532.58735.35631.947
us-gaap:OperatingIncomeLoss ▄▇▇█▅▄▄▆▄▂▁▃▇█▆▄▅▅-42.711-14.397-4.518-0.372-29.5-46.395-47.872-24.648-50.12-72.641-88.176-66.111-5.2555.685-27.295-47.677-41.162-41.145
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax █▃▇▇▆▁█▅1.385-4.6531.2480.573-0.503-8.2142.052-2.444NA-2.191NANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax █▁0.004-0.228NANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▂▅▅▄▁█▄▃▄▃▅▅▆▅▅▄1.389-4.8811.2480.573-0.526-8.2147.842-2.456-3.493-2.174-3.0571.2411.0862.8581.1120.072-0.923NA
us-gaap:OtherNonoperatingIncomeExpense ▇▇▁▇▁▇▇█▇▇███▆▇▇▇▇0.022-0.085-4.176-0.221-3.913-0.0080.1380.525-0.2220.2650.6350.7620.559-0.6290.175-0.040.0140.119
us-gaap:ProfitLoss ▅▇▇█▆▃▄▆▄▂▁▃▅█▄▃▄▄-58.421-29.781-31.591-17.876-47.978-81.642-71.011-39.93-67.231-88.273-104.443-82.51-50.188-22.348-71.921-76.358-67.598-65.388
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents be:RedeemableNoncontrollingInterest▂▂▃▂▂▁▂▃▄█▆█▇▇▇▇-0.022-0.0040.1980.0890.067-0.3750.0720.340.6421.8231.1021.7941.5061.4911.4511.465NANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest█▆▇▁▄▅▅▄▃▃▃▃▁▁▃▂-4.536-4.888-4.652-6.011-5.532-5.318-5.25-5.367-5.657-5.655-5.764-5.725-6.017-6.123-5.611-5.992NANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▆▇▇█▆▄▂▇▅▃▁▄▆-53.863-24.889-27.138-11.954-42.512-75.949-122.854-34.903-62.216-104.92-131.568-78.579-45.677NANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▆▇▇█▆▄▂▇▅▃▁▄▆-53.863-24.889-27.138-11.954-42.512-75.949-122.854-34.903-62.216-104.92-131.568-78.579-45.677NA-81.524-71.831NANA
us-gaap:ResearchAndDevelopmentExpense ▆▅▄▄▄▅▅▅▇▇█▆▂▂▂▁▁▁25.67323.29521.6919.23119.37723.27922.14823.38929.77228.85932.9727.02114.41314.73115.18112.37412.36811.223
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▆█▆▅▄▇▇▆▄▇▆▅▅▃▂▂▁212.16177.601232.765183.819172.244141.324213.543208.669185.293130.03213.606190.19168.881169.361123.25193.76586.78372.197
us-gaap:Revenues ▇▆█▆▆▄▇▇▇▆▇▆▅▅▃▂▂▁228.47194.007249.387200.305187.856156.699213.543233.471233.782200.707213.606190.19168.881169.361123.25193.76586.78372.197
us-gaap:SellingAndMarketingExpense ▇▆▆▃▃▄▅▅▅▆█▇▂▂▂▁▂▁22.72719.95218.8411.711.42713.94917.35718.12518.35920.46324.98321.4768.2548.2629.3466.5618.6637.845
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets █▇██▄▄▅▁▂▅▆▇▁▂▂1464.0281451.2621454.3871474.3591277.5431312.6081322.5911169.9271222.5791318.851389.6681445.1451157.7371214.2171220.987NANANA
us-gaap:Liabilities ▄▄▃▄▅▆▅▁▂▂▂▃███1434.081386.861312.9911431.6791528.0741571.7731490.4511181.0111233.7871250.8231298.9581338.8251722.541753.8731721.624NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇██▄▄▅▁▂▅▆▇▁▂▂1464.0281451.2621454.3871474.3591277.5431312.6081322.5911169.9271222.5791318.851389.6681445.1451157.7371214.2171220.987NANANA
us-gaap:StockholdersEquity ████▇▇▇▇▇▇▇█▁▁▁-21.5716.0678.824-22.418-316.951-333.099-259.594-106.847-115.785-105.439-91.661-84.975-2227.017-2213.432-2180.004NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AssetsCurrent ▅▆▆▇▃▃▃▄▆▇▇█▂▁▂565.9584.472618.604650.053440.792462.895472.707490.359592.284639.842672.581698.532390.273365.053419.981NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▃▅▆▂▃▄▄▆▆▄█▁▁▁203.956180.719246.947325.241144.072180.307202.823226.499308.009320.414220.728395.51691.59688.227103.828NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▆▅▆█▅▅▆▅▅▅▄▇▁▁▂▂▂400.528365.664416.71504.369324.129353.919377.388357.875371.066369.934280.485444.226149.872143.592180.612191.936213.231NA
us-gaap:AccountsReceivableNetCurrent ▃█▇▃▃▂▂▁▂▆▆▂▂▄▁54.468108.32899.51350.48149.61435.69137.82826.73738.29684.0784.88741.48536.80461.99630.317NANANA
us-gaap:InventoryNet █▇▆▅▃▃▃▆▂▄▅▅▅▁▁163.317153.172142.059131.911112.479107.204109.606140.372104.934116.544132.476134.725136.43394.03290.26NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▂▄▆▆▁▃▅▄▃▅██▂▅▄23.06126.80930.71830.2420.74724.99428.06825.63925.08828.36233.74232.87623.00328.94426.676NANANA
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us-gaap:AssetsNoncurrent NA866.79835.783824.306836.751849.713849.884679.568630.295679.008717.087746.613767.464NA801.006NANANA
 us-gaap:AssetsNoncurrent us-gaap:ConsolidatedEntities srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIENA561.289523.138504.099509.483515.114508.004172.211177.198191.802220.399238.814250.79NA267.35NANANA
 us-gaap:AssetsNoncurrent us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiaryNA305.501312.645320.207327.268334.599341.88NANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ▆▆▆▆▆▆▆▁▁▃▃▃▃█▃611.371599.437600.628601.929601.566606.85607.059384.377406.61475.385481.414471.074477.765702.228497.789NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA0.882NANANA0.644NANANA0.773NANANA0.773NANANA
us-gaap:OperatingLeaseRightOfUseAsset █▅▁69.70855.16535.621NANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▁▁▁▃▃▄▃▇█▁▁▂▂▃▂35.92135.19934.51140.63240.98944.59641.65258.460.97534.38634.79237.00838.38643.17937.46NANANA
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us-gaap:AccountsPayableCurrent █▅▃▄▄▃▂▇▃▄▄▃▂▁▁87.13272.9658.33464.28264.89660.40155.57981.0661.42764.42566.88959.81853.79847.75548.582NANANA
us-gaap:LiabilitiesCurrent ▅▄▅▄▃▂█▂▃▂▂▂▂▁▂409.046369.308436.377389.516303.734285.744573.964293.726339.087276.194279.666271.853248.146220.97271.284NANANA
us-gaap:LongTermDebtCurrent ▃▃▃▃▁▁█▁▁▁▁▁▁119.71118.468120.846129.726.126.226338.027.16126.22437.5129.84821.92230.006NA20.136NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▁▆█5.3757.2197.899NANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent █▇▇▁▁▁▇▆█▇█▇▄31.65727.69728.64210.53611.03710.81129.78924.5830.52229.41631.23627.77118.899NA30.966NANANA
us-gaap:OtherLiabilitiesCurrent ▆▄█▄▅▄▃▄█▃▃▃▁▁▃96.05182.133112.00477.88288.05277.80970.28482.15109.72267.96669.53566.87354.83253.65467.649NANANA
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us-gaap:LongTermDebt ▂▂▁▃▄▅▄▄▄▅▅▅█506.453508.499390.899570.347645.719696.001636.812663.969668.207741.078741.281740.811960.129NA941.341NANANA
us-gaap:LongTermDebtNoncurrent ▂▂▁▃▅▅▁▅▅▆▆▆█386.743390.031270.053440.69619.655669.775299.229636.808641.983703.568711.433718.889930.123NA921.205NANANA
us-gaap:MinorityInterest ▁▁▂▂▂▃▄▄▅▅▆▇▇██51.18557.98662.19564.90966.30273.86791.29195.206104.072114.664125.11134.849141.433149.759155.372NANANA
us-gaap:OtherLiabilitiesNoncurrent ▂▂▁▃▃▃▃████▆▇▂▇20.90419.86712.27926.61827.27628.54328.01356.11758.41758.03255.93748.16152.15321.75352.915NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▅▁78.44161.71441.849NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▅▁14.39712.1848.211NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree █▅▁12.94410.7628.292NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour █▅▁13.13510.9958.472NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA8.33NANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiaryNANA47.612NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA19.863NANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiaryNANA264.207NANANANANANANANANANANANANANANA
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us-gaap:StockholdersEquity ████▇▇▇▇▇▇▇█▁▁▁-21.5716.0678.824-22.418-316.951-333.099-259.594-106.847-115.785-105.439-91.661-84.975-2227.017-2213.432-2180.004NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:StatementEquityComponents srt:CumulativeEffectPeriodOfAdoptionAdjustment,us-gaap:AdditionalPaidInCapitalNANA-126.799NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:StatementEquityComponents srt:CumulativeEffectPeriodOfAdoptionAdjustment,us-gaap:ParentNANA-121.491NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:StatementEquityComponents srt:CumulativeEffectPeriodOfAdoptionAdjustment,us-gaap:RetainedEarningsNANA5.308NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents be:RedeemableNoncontrollingInterest▁▁▁▁▁▁▁▁▁████████0.3340.3560.3770.1890.1180.0670.4430.5570.50558.80257.26156.44654.9458.17658.15456.98955.814NA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest▆▅▇███▅▅▄▃▂▁▂▂▃12.65111.30115.98917.27217.88117.4159.23811.5429.1465.6923.5480.4771.7712.9095.853NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital████▇▇▇▇▇▇▆▆▁3155.9173129.6873182.7533054.3762747.892689.2082686.7592647.8732604.0342552.0112481.3522387.361166.803NA150.804142.596124.859NA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:CommonStock███▇▆▆▆▆▅▅▅▅▁0.0170.0170.0170.0150.0130.0120.0120.0120.0110.0110.0110.0110.001NA0.0010.0010.001NA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▂▂▂▂▃▄▄▅▅▆▆▇▇██51.18557.98662.19564.90966.30273.86791.29195.206104.072114.664125.11134.849141.433149.759155.372163.033171.459NA
us-gaap:CommonStockValue ███▄▁0.0170.0170.0170.0150.013NA0.0120.0120.0110.0110.0110.0110.0010.0010.001NANANA
us-gaap:AdditionalPaidInCapital █▇█▆▁3155.9173129.6873182.7533054.3762747.89NA2686.7592647.8742604.0342552.0112480.5972387.361166.805158.605150.804NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▄▆▇█-3177.381-3123.518-3103.937-3076.8-3064.845NA-2946.384-2880.551-2828.801-2746.89-2572.4-2472.619-2394.04-2372.155-2330.647NANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:AdjustmentsForNewAccountingPronouncements,us-gaap:DebtInstrument,us-gaap:LongtermDebtType be:AccountingStandardsUpdate202006,be:GreenConvertibleSeniorNotes,us-gaap:SeniorNotesNANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:AdjustmentsForNewAccountingPronouncements,us-gaap:DebtInstrument,us-gaap:LongtermDebtType us-gaap:AccountingStandardsUpdate202006,be:GreenConvertibleSeniorNotes,us-gaap:SeniorNotesNANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁███-0.124-0.126-0.009-0.009-0.009NA0.019-0.147-0.1480.0050.1310.2720.2170.117-0.162NANANA
us-gaap:MinorityInterest ▁▁▂▂▂▃▄▄▅▅▆▇▇██51.18557.98662.19564.90966.30273.86791.29195.206104.072114.664125.11134.849141.433149.759155.372NANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▂▂▂▂▂▂▃▄▅▆█▆▁▁▁▁18.51515.7815.50614.53717.21221.67634.21639.53751.19563.16693.30469.3257.6427.6147.547.485NANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:Parent▂▂▂▂▂▂▃▄▅▆█▆▁▁18.51515.7815.50614.53717.21221.67634.21639.53751.19563.16693.06569.3257.6427.614NANANANA
 us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents be:RedeemableNoncontrollingInterest▆▆▆▆▆▆▆▆▇▆▁▆█▇▂▆0.00.0170.010.0180.0160.0010.1860.2883.2550.282-13.2890.2884.7411.472-9.920.288NANA
 us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▂█▃▁▃█▂▂▄▆▃▄▇▄▆▅0.8823.8631.5090.2691.533.8970.721.0421.5952.6131.0592.0443.2962.0662.9352.43NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▁▃▃▄▃▅▅█▄▂▄▅▃▄▄53.733-89.035-18.806-39.755-12.287-27.94824.58723.977119.376-4.17-44.7694.93715.902-34.487-2.07714.476NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▄▅▄▅▄▄▅▄█▁▅▅▅▅▄-21.529-12.932-4.847-13.506-7.2-12.36-26.101-5.1-10.46195.109-110.2525.753.1376.536-0.805-28.863NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▂▇▃▃▃▂▁▃▃█▃▃▃▃2.65451.15-64.006233.501-10.30316.83921.027-32.068-107.783-1.49-8.72283.667-12.759-9.069-8.442-6.908NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▃▂▆▃▃▄▃▄▅▁█▄▃▃▃34.864-51.046-87.659180.24-29.79-23.46919.513-13.1911.13289.449-163.741294.3546.28-37.02-11.324-21.295NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument,us-gaap:LongtermDebtType be:GreenConvertibleSeniorNotes,us-gaap:SeniorNotes0.5NANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsPayable ▇▇▄▅▆▆▁█▄▅▆▆▆▅▆▇15.30414.145-9.324-0.1274.0094.822-25.48119.632-2.997-2.4647.0716.0196.044-0.8279.38711.02NANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▁▅█▅▆▄▅▄▁▄█▅▃▇▄▄-50.5338.81549.0310.86713.923-2.1366.198-11.559-45.775-0.81643.4024.682-21.71728.203-6.942-3.179NANA
us-gaap:IncreaseDecreaseInInventories ▅▅▅▆▄▄▁█▃▂▄▄█▅▅▂10.20610.8210.23219.245.615-2.083-26.32135.438-11.61-15.932-2.249-1.70739.3546.8187.136-17.643NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▁▃▃▄▃▅▅█▄▂▄▅▃▄▄53.733-89.035-18.806-39.755-12.287-27.94824.58723.977119.376-4.17-44.7694.93715.902-34.487-2.07714.476NANA
us-gaap:NetIncomeLoss ▅▇▇█▆▃▄▆▄▂▁▃▅█▄▃▄▄-53.863-24.889-27.138-11.954-42.512-75.949-65.833-34.903-62.216-84.441-99.781-78.579-45.677-17.716-67.761-71.831-63.475-59.532
us-gaap:ProfitLoss ▅▇▇█▆▃▄▆▄▂▁▃▅█▄▃▄▄-58.421-29.781-31.591-17.876-47.978-81.642-71.011-39.93-67.231-88.273-104.443-82.51-50.188-22.348-71.921-76.358-67.598-65.388
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents be:RedeemableNoncontrollingInterest▂▂▃▂▂▁▂▃▄█▆█▇▇▇▇-0.022-0.0040.1980.0890.067-0.3750.0720.340.6421.8231.1021.7941.5061.4911.4511.465NANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest█▆▇▁▄▅▅▄▃▃▃▃▁▁▃▂-4.536-4.888-4.652-6.011-5.532-5.318-5.25-5.367-5.657-5.655-5.764-5.725-6.017-6.123-5.611-5.992NANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▆▇▇█▆▄▂▇▅▃▁▄▆-53.863-24.889-27.138-11.954-42.512-75.949-122.854-34.903-62.216-104.92-131.568-78.579-45.677NANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▆▇▇█▆▄▂▇▅▃▁▄▆-53.863-24.889-27.138-11.954-42.512-75.949-122.854-34.903-62.216-104.92-131.568-78.579-45.677NA-81.524-71.831NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▄▅▄▅▄▄▅▄█▁▅▅▅▅▄-21.529-12.932-4.847-13.506-7.2-12.36-26.101-5.1-10.46195.109-110.2525.753.1376.536-0.805-28.863NANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▆▄▂▄▃▄█▂▄▃▄▂▁▁▁▁21.52912.9324.84713.5067.212.3627.5794.59210.3398.54310.3262.7381.3720.2231.0771.798NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▂▇▃▃▃▂▁▃▃█▃▃▃▃2.65451.15-64.006233.501-10.30316.83921.027-32.068-107.783-1.49-8.72283.667-12.759-9.069-8.442-6.908NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType be:SeniorSecuredNotesDueMarch2030NonRecourse,us-gaap:SeniorNotes████▁▁▁6.07e-066.07e-066.1e-066.07e-066.07e-086.1e-086.07e-08NANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType be:TermLoanDueSeptember2028NonRecourse,us-gaap:SecuredDebtNANANA7.5e-067.5e-087.5e-087.5e-087.5e-087.5e-087.5e-087.5e-08NANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value17000.017000.017000.015000.013000.012000.012000.011000.011000.011000.011000.01000.01000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302020-06-302018-09-302018-06-302017-09-302017-06-30
Value17212581101010
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302020-06-302018-09-302018-06-302017-09-302017-06-30
Value17212581101010
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value17013812512311811611311110981101010101010
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value20223935453133322888898888
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

be:ConvertibleNotes


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value14143231402727
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount68.962.283.986.789.185.680.8

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value6.4038.6256.3214.7884.9934.5716.485.193.4542.1483.1772.9053.091
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount31.137.816.113.310.914.419.216.012.32.43.63.33.5

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302020-06-30
Value-0.31-0.34
Percentage of EarningsPerShareBasic100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302020-06-30
Value-0.31-0.34
Percentage of EarningsPerShareDiluted100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.15-0.13-0.09-0.34-0.61-0.58-0.3-0.55-0.76-0.91-0.97-4.34-1.7-6.56-6.97-6.22-5.87
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302017-06-30
Value3.44.04.24.44.95.69.58.59.09.27.67.4
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.62.30.02.42.84.04.44.14.97.14.58.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1410109.6101322273951
Percentage of AllocatedShareBasedCompensationExpense414.7267.5257.1218.2214.3235.7240.0327.1441.1554.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.66.00.05.26.19.310.713.321.439.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-51091000.0-34312000.0-27137000.0-11954000.0-42536000.0-75954000.0-141910000.0-34902000.0-62369000.0-88663000.0-99924000.0-78520000.0-45575000.0-17437000.0-67534000.0-71756000.0-63516000.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-24.1-19.30.0-6.5-24.7-53.7-66.5-16.7-33.7-68.2-46.8-41.3-27.0-10.3-54.8-76.5-73.2

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity

us-gaap:CostOfGoodsAndServicesSold

be:PowerPurchaseAgreementCompany5


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0100000.01700000.0005700000.00003500000.0000900000.000
Percentage of CostOfGoodsAndServicesSold0.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.04.00.00.00.02.70.00.00.00.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:PowerPurchaseAgreementCompany50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1911391851441611361881801921841961661361251111089281
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.178.50.078.593.896.888.386.3103.7142.291.987.780.674.290.2116.1106.7112.7

us-gaap:CostOfRevenue dei:LegalEntity

be:PowerPurchaseAgreementCompany2


Cost
Period End2020-09-30
Value14
Percentage of CostOfRevenue10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:PowerPurchaseAgreementCompany20.0

us-gaap:CostOfRevenue us-gaap:ProductOrService

be:Installation


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value364.62529273820162622243140371016141413
Percentage of CostOfRevenue19.13.315.919.323.715.29.014.511.513.116.224.127.38.315.213.516.016.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.22.60.015.222.214.77.912.511.918.614.921.122.06.213.715.717.118.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:Installation126.4173.90.0104.8128.3125.0117.1124.0169.1197.8148.9135.1141.473.978.498.1103.5109.4

us-gaap:Electricity


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1011111111121223189.2297.9888.6798.949109.806108.88110
Percentage of CostOfRevenue5.38.16.27.87.19.26.812.99.65.04.15.26.68.58.89.49.613.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.86.40.06.16.78.96.011.110.07.13.74.65.36.38.010.910.215.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Electricity1436.41902.40.00.00.00.00.00.0360.9270.00.00.00.00.00.00.00.00.0

us-gaap:Product


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value108871057283721419413112412895708070534738
Percentage of CostOfRevenue57.062.656.649.951.453.075.252.368.767.065.257.252.063.963.449.551.447.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.349.20.039.248.351.366.445.171.295.460.050.141.947.457.257.554.853.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product74.163.30.055.071.572.889.557.491.6136.481.775.965.266.2105.3119.2119.1140.4

us-gaap:Service


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value353639332830173619272822192414302118
Percentage of CostOfRevenue18.625.921.323.017.722.69.120.310.214.914.513.614.219.312.627.623.022.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.820.30.018.116.621.98.017.510.621.213.311.911.414.311.432.124.625.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service99.699.20.0127.1109.3123.266.8154.485.1117.4130.9109.296.4121.870.3154.1112.998.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value01220000.00-14098000.0000000
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.00.0100.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.70.0-10.00.00.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value312527252429333643394740151414131412
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.914.50.013.814.520.615.617.523.630.022.221.69.18.812.014.616.517.8

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value375463552619245341151723324312-15.09-5.806-9.198
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.630.80.030.515.214.111.725.622.512.18.112.319.425.89.8-16.1-6.7-12.7

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-58108000.0-29657000.0-31607000.0-17869000.0-47837000.0-81518000.0-70980000.0-39800000.0-66973000.0-88065000.0-103360000.0-82513000.0-50060000.0-22015000.0-72041000.0-76044000.0-67370000.0-65174000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-27.4-16.70.0-9.7-27.8-57.7-33.2-19.1-36.1-67.7-48.4-43.4-29.6-13.0-58.5-81.1-77.6-90.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value313000.0124000.0-16000.07000.0141000.0124000.031000.0136000.0258000.0208000.01079000.0-3000.0128000.0333000.0-120000.0314000.0228000.0214000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.00.00.10.10.00.10.10.20.5-0.00.10.2-0.10.30.30.3

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value113000.072000.018000.0129000.0195000.029000.0145000.0218000.0275000.0222000.0696000.0427000.0224000.0401000.0248000.0247000.0
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.00.10.10.00.10.10.10.20.30.20.10.20.20.3

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value14142120152241161817171825242928
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.98.30.011.08.815.619.48.19.913.58.39.914.914.224.230.8

us-gaap:InterestExpense us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Interest
Period End2020-12-312020-09-30
Value5.4000000000000012.9
Percentage of InterestExpense25.414.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value141421191420211516151617261127262516
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.98.30.010.88.314.710.17.39.012.37.69.115.56.722.628.729.423.3

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Interest
Period End2021-06-302020-08-31
Value1.90.7
Percentage of InterestExpenseDebt13.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12141522161733129.322148.864145.324115.0745.556
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.88.40.012.09.712.615.95.85.011.24.17.43.26.64.15.9

us-gaap:InterestPaidNet dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:PowerPurchaseAgreementCompany3a, be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt, srt:AffiliatedEntity


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value0.00.00.00.70.70.80.70.80.70.80.8-1.60.80.8
Percentage of InterestPaidNet0.00.00.03.92.16.77.55.57.95.715.0-31.514.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.50.30.40.40.60.30.40.5-1.30.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:PowerPurchaseAgreementCompany3a be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt srt:AffiliatedEntity0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Litigation Settlement Expense

us-gaap:LitigationSettlementExpense

us-gaap:LitigationSettlementExpense


Litigation
Period End2020-12-31
Value1200000.0
Percentage of LitigationSettlementExpense100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-53863000.0-24889000.0-27138000.0-11954000.0-42512000.0-75949000.0-65833000.0-34903000.0-62216000.0-84441000.0-99781000.0-78579000.0-45677000.0-17716000.0-67761000.0-71831000.0-63475000.0-59532000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.4-14.00.0-6.5-24.7-53.7-30.8-16.7-33.6-64.9-46.7-41.3-27.0-10.5-55.0-76.6-73.1-82.5

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4558000.0-4892000.0-4453000.0-5922000.0-5466000.0-5693000.0-5178000.0-5027000.0-5015000.0-3832000.0-4662000.0-3931000.0-4512000.0-4632000.0-4160000.0-4527000.0-4123000.0-5856000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.1-2.80.0-3.2-3.2-4.0-2.4-2.4-2.7-2.9-2.2-2.1-2.7-2.7-3.4-4.8-4.8-8.1

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-53863000.0-24889000.0-42512000.0-75949000.0-68287000.0-51750000.0-81911000.0-104920000.0-115450000.0-78579000.0-45677000.0-21591000.0-67761000.0-71831000.0-63475000.0
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.4-14.0-24.7-53.7-32.0-24.8-44.2-80.7-54.0-41.3-27.0-12.7-55.0-76.6-73.1

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8069685655667278918810589383739323531
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.738.90.030.732.446.934.137.449.568.049.447.122.522.431.934.840.744.2

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-42711000.0-14397000.0-4518000.0-372000.0-29500000.0-46395000.0-47872000.0-24648000.0-50120000.0-72641000.0-88176000.0-66111000.0-5255000.05685000.0-27295000.0-47677000.0-41162000.0-41145000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.1-8.10.0-0.2-17.1-32.8-22.4-11.8-27.0-55.9-41.3-34.8-3.13.4-22.1-50.8-47.4-57.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-31
Value1385000.0-4653000.01248000.0573000.0-503000.0-8214000.02052000.0-2444000.0-2191000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-2.60.00.3-0.3-5.81.0-1.2-1.7

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value000-5000.0-3000.013000.0-162000.0-143000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax0.00.0-0.00.1-0.1-0.50.06.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.0-0.00.0-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1385000.04653000.01248000.0573000.0-503000.0-8209000.02055000.0-2457000.0-3340000.0-2048000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax-100.0-100.0100.0100.0100.099.9100.1100.50.093.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.72.60.00.3-0.3-5.81.0-1.2-1.8-1.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value000-5000.0-3000.013000.0-162000.0-143000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax0.00.0-0.00.1-0.1-0.50.06.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.0-0.00.0-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-31
Value4000.0-228000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.1

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-31
Value2000.0-117000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax50.051.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-31
Value2000.0-111000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax50.048.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-31
Value2000.0-117000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax50.051.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1389000.0-4881000.01248000.0573000.0-526000.0-8214000.07842000.0-2456000.0-3493000.0-2174000.0-3057000.01241000.01086000.02858000.01112000.072000.0-923000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-2.70.00.3-0.3-5.83.7-1.2-1.9-1.7-1.40.70.61.70.90.1-1.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1385000.04653000.01248000.0573000.0-503000.0-8214000.0-14052000.02444000.03502000.02191000.03058000.0-1236000.0-1067000.0-2852000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-99.7-95.3100.0100.095.6100.0-179.2-99.5-100.3-100.8-100.0-99.6-98.3-99.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.72.60.00.3-0.3-5.8-6.61.21.91.71.4-0.6-0.6-1.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value22000.0-85000.0-4176000.0-221000.0-3913000.0-8000.0138000.0525000.0-222000.0265000.0635000.0762000.0559000.0-629000.0175000.0-40000.014000.0119000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.0-0.1-2.3-0.00.10.3-0.10.20.30.40.3-0.40.1-0.00.00.2

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-58421000.0-29781000.0-31591000.0-17876000.0-47978000.0-81642000.0-71011000.0-39930000.0-67231000.0-88273000.0-104440000.0-82510000.0-50188000.0-22348000.0-71921000.0-76358000.0-67598000.0-65388000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-27.5-16.80.0-9.7-27.9-57.8-33.3-19.1-36.3-67.9-48.9-43.4-29.7-13.2-58.4-81.4-77.9-90.6

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

be:RedeemableNoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-22000.0-4000.0198000.089000.067000.0-375000.072000.0340000.0642000.01823000.01102000.01794000.01506000.01491000.01451000.01465000.0
Percentage of ProfitLoss0.00.0-0.6-0.5-0.10.5-0.1-0.9-1.0-2.1-1.1-2.2-3.0-6.7-2.0-1.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.00.00.0-0.30.00.20.31.40.50.90.90.91.21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:RedeemableNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-4536000.0-4888000.0-4652000.0-6011000.0-5532000.0-5318000.0-5250000.0-5367000.0-5657000.0-5655000.0-5764000.0-5725000.0-6017000.0-6123000.0-5611000.0-5992000.0
Percentage of ProfitLoss7.816.414.733.611.56.57.413.48.46.45.56.912.027.47.87.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.1-2.80.0-3.3-3.2-3.8-2.5-2.6-3.1-4.3-2.7-3.0-3.6-3.6-4.6-6.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-53863000.0-24889000.0-27138000.0-11954000.0-42512000.0-75949000.0-122850000.0-34903000.0-62216000.0-104920000.0-131570000.0-78579000.0-45677000.0
Percentage of ProfitLoss92.283.685.966.988.693.0173.087.492.5118.9126.095.291.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.4-14.00.0-6.5-24.7-53.7-57.5-16.7-33.6-80.7-61.6-41.3-27.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value-53863000.0-24889000.0-27138000.0-11954000.0-42512000.0-75949000.0-122850000.0-34903000.0-62216000.0-104920000.0-131570000.0-78579000.0-45677000.0-81524000.0-71831000.0
Percentage of ProfitLoss92.283.685.966.988.693.0173.087.492.5118.9126.095.291.0113.494.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.4-14.00.0-6.5-24.7-53.7-57.5-16.7-33.6-80.7-61.6-41.3-27.0-66.1-76.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value252321191923222329283227141415121211
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.113.10.010.511.216.510.411.216.122.215.414.28.58.712.313.214.315.5

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value212177232183172141213208185130213190168169123938672
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

be:Installation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value282.65928262916142113122129261421141412
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.61.512.414.517.311.86.810.17.19.410.015.615.58.317.516.016.517.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.61.512.414.517.311.86.810.17.19.410.015.615.58.317.516.016.517.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:Installation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.7070.5950.00.00.00.05.113.418
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.00.00.00.02.82.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.00.00.00.02.82.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Electricity100.0100.00.00.00.00.0100.0100.0

us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value146137171131116991581631449015612510812166453927
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax69.277.773.871.367.570.474.278.577.869.973.366.164.371.654.348.346.038.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax69.277.773.871.367.570.474.278.577.869.973.366.164.371.654.348.346.038.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value353632262625252323232120191919191818
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.820.513.814.215.217.812.011.312.418.010.210.911.811.816.220.821.725.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.820.513.814.215.217.812.011.312.418.010.210.911.811.816.220.821.725.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
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
Value228194249200187156213233233200213190168169123938672
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax107.7109.2107.1109.0109.1110.9100.0111.9126.2154.4100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ProductOrService

be:Installation


Revenuesus-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
Value282.65928262916141917222129261421141412
Percentage of Revenues12.61.411.613.315.910.66.88.17.411.110.015.615.58.317.516.016.517.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.61.512.414.517.311.86.89.19.317.110.015.615.58.317.516.016.517.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:Installation100.0100.0100.0100.0100.0100.0100.090.1132.2182.2100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Electricity


Revenuesus-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
Value171716161515158.24812131314141414141313
Percentage of Revenues7.48.86.78.28.39.87.13.55.56.76.57.48.38.312.015.015.718.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.09.67.19.09.110.97.14.07.010.36.57.48.38.312.015.015.718.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Electricity2406.92857.30.00.00.00.00.00.0253.2392.80.00.00.00.00.00.00.00.0

us-gaap:Product


Revenuesus-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
Value1461371711311169915818217914115612510812166453927
Percentage of Revenues64.371.168.965.461.963.574.278.277.070.673.366.164.371.654.348.346.038.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax69.277.773.871.367.570.474.287.597.1109.073.366.164.371.654.348.346.038.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0111.4124.9155.9100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


Revenuesus-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
Value353632262625252323232120191919191818
Percentage of Revenues15.618.812.913.114.016.012.010.110.111.610.210.911.811.816.220.821.725.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.820.513.814.215.217.812.011.312.817.910.210.911.811.816.220.821.725.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.099.7102.799.2100.0100.0100.0100.0100.0100.0100.0100.0

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2219181111131718182024218.2548.2629.3466.5618.6637.845
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.711.28.16.46.69.98.18.79.915.711.711.34.94.97.67.010.010.9

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value146414511454147412771312132211691222131813891445115712141220
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Assetsus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value113111221138934961963639735801866909612650
Percentage of Assets78.077.277.273.273.272.954.760.260.862.463.052.953.3
Percentage of Assets78.077.277.273.273.272.954.760.260.862.463.052.953.3
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value313319331335342351358
Percentage of Assets21.422.022.822.826.826.827.1
Percentage of Assets21.422.022.822.826.826.827.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value143413861312143115281571149011811233125012981338172217531721
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets98.095.690.397.1119.6119.7112.7100.9100.994.893.592.6148.8144.4141.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Liabilitiesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11471063117712701312123588391289293797513531341
Percentage of Liabilities82.781.082.283.283.582.974.873.971.472.272.978.677.9
Percentage of Assets79.173.179.899.5100.093.475.574.667.767.567.5116.9109.9
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE101.494.8103.4136.0136.6128.2138.2124.0111.4108.1107.2221.2206.2

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value238239249254257259255
Percentage of Liabilities16.617.319.017.816.816.517.1
Percentage of Assets16.316.517.117.320.219.819.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary75.974.975.175.775.173.871.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value146414511454147412771312132211691222131813891445115712141220
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-21.5716.0678-22.418-316.951-333.099-259.594-106.847-115.785-105.439-91.661-84.975-2227.017-2213.432-2180.004
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.50.45.4-1.5-24.8-25.4-19.6-9.1-9.5-8.0-6.6-5.9-192.4-182.3-178.5

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value565584618650440462472490592639672698390365419
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.740.342.544.134.535.335.741.948.448.548.448.333.730.134.4

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value570599634425445455467558609646671361383
Percentage of AssetsCurrent97.696.997.696.496.396.495.394.395.296.196.192.691.2
Percentage of Assets39.341.243.033.334.034.539.945.746.246.546.431.231.4
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE50.453.455.745.546.447.373.175.976.174.673.859.058.9

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value15141915151617
Percentage of AssetsCurrent2.82.43.12.43.63.73.6
Percentage of Assets1.11.01.31.11.21.31.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary5.14.55.74.74.64.84.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2031802463251441802022263083202203959188103
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.912.517.022.111.313.715.319.425.224.315.927.47.97.38.5

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.140.8561.4211.2214.63.1041.894
Percentage of CashAndCashEquivalentsAtCarryingValue2.00.50.60.43.21.70.9
Percentage of Assets0.30.10.10.10.40.20.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary1.30.30.40.41.30.90.5

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value400365416504324353377357371369280444149143180191213217226
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.425.228.734.225.427.028.530.630.428.020.230.712.911.814.80.00.00.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:FinancialInstrument

us-gaap:Cash


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value242215180668882100136
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents60.558.943.413.127.223.326.748.7
Percentage of Assets16.614.812.44.56.96.37.69.8
Percentage of Assets us-gaap:Cash0.00.00.00.00.00.00.00.0

us-gaap:MoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value158150235438236271276143
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents39.541.156.686.972.876.773.351.3
Percentage of Assets10.810.416.229.718.520.720.910.4
Percentage of Assets us-gaap:MoneyMarketFunds0.00.00.00.00.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5410899504935372638848441366130
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.77.56.83.43.92.72.92.33.16.46.12.93.25.12.5

us-gaap:AccountsReceivableNetCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.2074.3594.424.1584.0044.2074.194
Percentage of AccountsReceivableNetCurrent7.74.04.48.28.111.811.1
Percentage of Assets0.30.30.30.30.30.30.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary1.31.41.31.21.21.21.2

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1631531421311121071091401041161321341369490
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.210.69.88.98.88.28.312.08.68.89.59.311.87.77.4

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value232630302024282525283332232826
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.82.12.11.61.92.12.22.12.22.42.32.02.42.2

Assets Noncurrent

us-gaap:AssetsNoncurrent

us-gaap:AssetsNoncurrent


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value866835824836849849679630679717746767801
Percentage of AssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.757.555.965.564.764.358.151.651.551.651.766.365.6

us-gaap:AssetsNoncurrent us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value561523504509515508172177191220238250267
Percentage of AssetsNoncurrent64.862.661.260.960.659.825.328.128.230.732.032.733.4
Percentage of Assets38.736.034.239.939.238.414.714.514.515.916.521.721.9
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE49.646.644.354.553.652.726.924.123.925.426.241.041.1

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value305312320327334341
Percentage of AssetsNoncurrent35.237.438.839.139.440.2
Percentage of Assets21.121.521.725.625.525.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary95.594.395.395.495.295.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
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
Value611599600601601606607384406475481471477702497
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.841.341.340.847.146.245.932.933.336.034.632.641.357.840.8

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value240246252257263269275
Percentage of PropertyPlantAndEquipmentNet39.341.142.042.843.944.445.4
Percentage of Assets16.417.017.317.520.620.520.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary76.677.076.076.876.976.776.8

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value882000.0644000.0773000.0773000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0
Percentage of Assets0.10.00.10.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-01-01
Value69553528
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0
Percentage of Assets4.83.82.42.1

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:Range, us-gaap:StatementScenario, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:Maximum, srt:ScenarioForecast, us-gaap:AccountingStandardsUpdate201602


Operating
Period End2020-12-31
Value30
Percentage of OperatingLeaseRightOfUseAsset84.2
Percentage of Assets2.1
Percentage of Assets srt:Maximum srt:ScenarioForecast us-gaap:AccountingStandardsUpdate2016020.0

srt:Minimum, srt:ScenarioForecast, us-gaap:AccountingStandardsUpdate201602


Operating
Period End2020-12-31
Value24
Percentage of OperatingLeaseRightOfUseAsset67.4
Percentage of Assets1.7
Percentage of Assets srt:Minimum srt:ScenarioForecast us-gaap:AccountingStandardsUpdate2016020.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value353534404044415860343437384337
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.42.42.83.23.43.15.05.02.62.52.63.33.63.1

us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.0380.0370.2480.2410.3010.607
Percentage of OtherAssetsNoncurrent0.10.10.60.60.71.5
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.10.10.10.2

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value877258646460558161646659534748
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.05.04.04.45.14.64.26.95.04.94.84.14.63.94.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value409369436389303285573293339276279271248220271
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.925.430.026.423.821.843.425.127.720.920.118.821.418.222.2

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value13413314116141314
Percentage of LiabilitiesCurrent32.936.232.34.44.74.82.5
Percentage of Assets9.29.29.71.21.11.11.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary42.841.842.55.14.23.94.0

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value119118120129262633827263729213020
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.28.28.38.82.02.025.62.32.12.82.11.52.61.6

us-gaap:LongTermDebtCurrent dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:PowerPurchaseAgreementCompany3a, be:ConvertiblePromissoryNotesInterestRate6DueDecember2020Recourse, us-gaap:ConvertibleNotesPayable, srt:AffiliatedEntity


Long
Period End2020-12-31
Value20
Percentage of LongTermDebtCurrent17.2
Percentage of Assets1.4
Percentage of Assets be:PowerPurchaseAgreementCompany3a be:ConvertiblePromissoryNotesInterestRate6DueDecember2020Recourse us-gaap:ConvertibleNotesPayable srt:AffiliatedEntity0.0

us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11514153251515158.6861.687101.69
Percentage of LongTermDebtCurrent89.256.357.696.357.759.841.829.17.734.58.4
Percentage of Assets7.81.21.224.61.31.31.20.60.10.90.1
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE10.21.61.633.82.52.12.01.00.21.70.3

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value11711812013111112
Percentage of LongTermDebtCurrent98.3100.0100.010.843.542.43.6
Percentage of Assets8.08.28.30.90.90.80.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary37.537.136.44.23.33.23.4

us-gaap:LongTermDebtCurrent us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:ConvertiblePromissoryConstellationNotesInterestRate10DueDecember2021, us-gaap:ConvertibleNotesPayable


Long
Period End2020-09-302020-06-302020-03-31
Value990.00.0
Percentage of LongTermDebtCurrent76.60.00.0
Percentage of Assets6.70.00.0
Percentage of Assets be:ConvertiblePromissoryConstellationNotesInterestRate10DueDecember2021 us-gaap:ConvertibleNotesPayable0.00.00.0

be:NotesdueJuly2024Recourse, us-gaap:NotesPayableOtherPayables


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value79161414141414147.00.00.00.0
Percentage of LongTermDebtCurrent65.412.353.653.44.151.553.437.323.50.00.00.0
Percentage of Assets5.41.11.11.11.11.21.11.10.50.00.00.0
Percentage of Assets be:NotesdueJuly2024Recourse us-gaap:NotesPayableOtherPayables0.00.00.00.00.00.00.00.00.00.00.00.0

be:SeniorSecuredNotesDueMarch2027Recourse, us-gaap:NotesPayableOtherPayables


Long
Period End2021-06-302020-06-30
Value2.020.0
Percentage of LongTermDebtCurrent1.70.0
Percentage of Assets0.10.0
Percentage of Assets be:SeniorSecuredNotesDueMarch2027Recourse us-gaap:NotesPayableOtherPayables0.00.0

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value4.2684.0733.8823.6953.5113.333.1512.9752.8032.469
Percentage of LongTermDebtCurrent3.63.43.22.813.512.70.911.010.78.3
Percentage of Assets0.30.30.30.30.30.30.20.30.20.2
Percentage of Assets be:SeniorSecuredNotesDueMarch2030NonRecourse us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.0

be:TermLoanDueDecember2021NonRecourse, us-gaap:SecuredDebt


Long
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
Value1101111147.6095.2895.345.1224.0213.8943.7753.6722.946
Percentage of LongTermDebtCurrent92.194.094.45.920.320.41.514.814.810.112.314.6
Percentage of Assets7.57.77.80.50.40.40.40.30.30.30.30.2
Percentage of Assets be:TermLoanDueDecember2021NonRecourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.0

be:TermLoanDueNovember2020Recourse, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2780.6971.1171.5361.6781.6811.6831.6861.6861.6881.69
Percentage of LongTermDebtCurrent0.22.74.30.56.26.44.55.67.75.68.4
Percentage of Assets0.00.10.10.10.10.10.10.10.10.10.1
Percentage of Assets be:TermLoanDueNovember2020Recourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.0

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt


Long
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
Value3.1492.9852.8262.6962.5672.4393.8823.52.8892.3412.21.389
Percentage of LongTermDebtCurrent2.62.52.32.19.89.31.112.911.06.27.46.9
Percentage of Assets0.20.20.20.20.20.20.30.30.20.20.20.1
Percentage of Assets be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtCurrent us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt, srt:AffiliatedEntity


Long
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.8822.4393.8823.52.8892.3412.2
Percentage of LongTermDebtCurrent3.29.31.112.911.06.27.4
Percentage of Assets0.30.20.30.30.20.20.2
Percentage of Assets be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt srt:AffiliatedEntity0.00.00.00.00.00.00.0

us-gaap:LongTermDebtCurrent us-gaap:LongtermDebtType

be:NonRecourseDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1171181201411111211102121201918
Percentage of LongTermDebtCurrent98.3100.0100.010.843.642.43.642.340.258.270.992.365.591.6
Percentage of Assets8.08.28.30.90.90.80.91.00.91.71.51.41.71.5
Percentage of Assets be:NonRecourseDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

be:RecourseDebt


Long
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.0211514153251515158.6861.686101.69
Percentage of LongTermDebtCurrent1.789.256.357.696.357.759.841.829.17.734.58.4
Percentage of Assets0.17.81.21.224.61.31.31.20.60.10.90.1
Percentage of Assets be:RecourseDebt0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

srt:AffiliatedEntity


Long
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value240.02.439243.52.8892.3412.2
Percentage of LongTermDebtCurrent20.40.09.37.312.911.06.27.4
Percentage of Assets1.70.00.21.90.30.20.20.2
Percentage of Assets srt:AffiliatedEntity0.00.00.00.00.00.00.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-01-01
Value5375000.07219000.07899000.05535000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0
Percentage of Assets0.40.50.50.4

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3127281011102924302931271830
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.21.92.00.70.90.82.32.12.52.22.21.91.62.5

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value96821127788777082109676966545367
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.65.77.75.36.95.95.37.09.05.25.04.64.74.45.5

us-gaap:OtherLiabilitiesCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1614192.3112.3122.0581.391
Percentage of OtherLiabilitiesCurrent16.817.817.43.02.62.62.0
Percentage of Assets1.11.01.30.20.20.20.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary5.14.65.90.70.70.60.4

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value506508390570645696636663668741741740960941
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.635.026.938.750.553.048.156.854.756.253.351.382.977.1

us-gaap:LongTermDebt dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:PowerPurchaseAgreementCompany3a, be:ConvertiblePromissoryNotesInterestRate6DueDecember2020Recourse, us-gaap:ConvertibleNotesPayable, srt:AffiliatedEntity


Long
Period End2020-12-31
Value20
Percentage of LongTermDebt5.3
Percentage of Assets1.4
Percentage of Assets be:PowerPurchaseAgreementCompany3a be:ConvertiblePromissoryNotesInterestRate6DueDecember2020Recourse us-gaap:ConvertibleNotesPayable srt:AffiliatedEntity0.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value2212219998
Percentage of LongTermDebt43.843.525.417.2
Percentage of Assets15.215.36.86.7
Percentage of Assets be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.00.00.00.0

be:NotesdueJuly2024Recourse, us-gaap:NotesPayableOtherPayables


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7683838989969695959594
Percentage of LongTermDebt13.512.912.014.113.514.413.012.912.99.910.0
Percentage of Assets5.26.56.36.87.77.97.36.96.68.27.7
Percentage of Assets be:NotesdueJuly2024Recourse us-gaap:NotesPayableOtherPayables0.00.00.00.00.00.00.00.00.00.00.0

be:SeniorSecuredNotesDueMarch2027Recourse, us-gaap:NotesPayableOtherPayables


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value6868686868
Percentage of LongTermDebt13.613.517.612.010.6
Percentage of Assets4.74.74.74.65.4
Percentage of Assets be:SeniorSecuredNotesDueMarch2027Recourse us-gaap:NotesPayableOtherPayables0.00.00.00.00.0

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value75767777787980808182
Percentage of LongTermDebt14.815.019.713.612.211.412.612.212.211.1
Percentage of Assets5.15.25.35.36.16.06.06.96.65.9
Percentage of Assets be:SeniorSecuredNotesDueMarch2030NonRecourse us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.0

be:TermLoanDueDecember2021NonRecourse, us-gaap:SecuredDebt


Long
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
Value110111114117118119120121121122123125
Percentage of LongTermDebt21.821.929.220.518.317.218.918.218.316.616.613.3
Percentage of Assets7.57.77.87.99.39.19.110.310.09.38.910.3
Percentage of Assets be:TermLoanDueDecember2021NonRecourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.0

be:TermLoanDueNovember2020Recourse, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2780.6971.1171.5361.9562.3762.7953.2143.6314.054.9
Percentage of LongTermDebt0.00.10.20.20.30.40.40.40.50.40.5
Percentage of Assets0.00.10.10.10.20.20.20.20.30.30.4
Percentage of Assets be:TermLoanDueNovember2020Recourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.0

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt


Long
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
Value303031323233343535353636
Percentage of LongTermDebt6.06.18.15.65.14.75.55.35.34.84.93.9
Percentage of Assets2.12.12.22.22.62.52.63.02.92.72.63.0
Percentage of Assets be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleDebt, srt:AffiliatedEntity


Long
Period End2020-09-30
Value99
Percentage of LongTermDebt17.4
Percentage of Assets6.7
Percentage of Assets be:ConvertiblePromissoryNotesInterestRate10DueDecember2021 us-gaap:ConvertibleDebt srt:AffiliatedEntity0.0

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt, srt:AffiliatedEntity


Long
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value34333435353536
Percentage of LongTermDebt8.94.75.55.35.34.84.9
Percentage of Assets2.42.52.63.02.92.72.6
Percentage of Assets be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt srt:AffiliatedEntity0.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

be:NonRecourseDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value215218222227229232235260262339344348352360
Percentage of LongTermDebt42.643.057.039.835.633.337.039.239.345.946.547.136.738.3
Percentage of Assets14.715.015.315.418.017.717.822.321.525.824.824.130.529.5
Percentage of Assets be:NonRecourseDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

be:RecourseDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value290290168343416464401403405401396392607580
Percentage of LongTermDebt57.457.143.060.264.466.763.060.860.754.153.552.963.361.7
Percentage of Assets19.920.011.623.332.635.330.334.533.230.428.627.152.547.6
Percentage of Assets be:RecourseDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:RelatedPartyTransactionsByRelatedParty

srt:AffiliatedEntity


Long
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value555385556363636468108107
Percentage of LongTermDebt14.38.312.38.89.59.58.68.69.311.311.4
Percentage of Assets3.84.26.54.25.45.24.84.64.89.48.8
Percentage of Assets srt:AffiliatedEntity0.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value386390270440619669299636641703711718930921
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.426.918.629.948.551.022.654.452.553.351.249.780.375.4

us-gaap:LongTermDebtNoncurrent us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value29016822740144875387390385388390597579
Percentage of LongTermDebtNoncurrent74.462.251.664.867.025.460.960.854.854.554.364.262.9
Percentage of Assets20.011.615.431.434.25.733.131.929.227.927.051.647.4
Percentage of Assets srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE25.615.020.042.946.77.960.653.048.144.842.997.589.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9899102213218220223
Percentage of LongTermDebtNoncurrent25.425.637.848.435.233.074.6
Percentage of Assets6.76.97.014.517.116.816.9
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary31.331.330.863.563.762.862.2

us-gaap:LongTermDebtNoncurrent us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value2212219998
Percentage of LongTermDebtNoncurrent57.456.836.822.3
Percentage of Assets15.215.36.86.7
Percentage of Assets be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.00.00.00.0

be:NotesdueJuly2024Recourse, us-gaap:NotesPayableOtherPayables


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6069697575828288959594
Percentage of LongTermDebtNoncurrent13.811.210.325.411.912.811.712.413.310.210.3
Percentage of Assets4.15.45.35.76.56.76.26.46.68.27.7
Percentage of Assets be:NotesdueJuly2024Recourse us-gaap:NotesPayableOtherPayables0.00.00.00.00.00.00.00.00.00.00.0

be:SeniorSecuredNotesDueMarch2027Recourse, us-gaap:NotesPayableOtherPayables


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-05-01
Value666868686870
Percentage of LongTermDebtNoncurrent17.317.625.415.511.00.0
Percentage of Assets4.64.74.74.65.40.0
Percentage of Assets be:SeniorSecuredNotesDueMarch2027Recourse us-gaap:NotesPayableOtherPayables0.00.00.00.00.00.0

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value70727374757576777879
Percentage of LongTermDebtNoncurrent18.318.527.116.812.111.325.712.212.211.2
Percentage of Assets4.85.05.05.05.95.85.86.66.45.7
Percentage of Assets be:SeniorSecuredNotesDueMarch2030NonRecourse us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.0

be:TermLoanDueDecember2021NonRecourse, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value109113114115117118118119122
Percentage of LongTermDebtNoncurrent24.918.317.138.518.418.416.916.813.3
Percentage of Assets7.48.98.78.710.09.79.08.610.0
Percentage of Assets be:TermLoanDueDecember2021NonRecourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.0

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt


Long
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
Value272728293030313132333435
Percentage of LongTermDebtNoncurrent7.07.110.76.74.94.610.45.05.14.74.83.9
Percentage of Assets1.91.92.02.02.42.32.42.72.72.52.52.9
Percentage of Assets be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtNoncurrent us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt, srt:AffiliatedEntity


Long
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value31303131323334
Percentage of LongTermDebtNoncurrent11.54.610.45.05.14.74.8
Percentage of Assets2.12.32.42.72.72.52.5
Percentage of Assets be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt srt:AffiliatedEntity0.00.00.00.00.00.00.0

us-gaap:LongTermDebtNoncurrent us-gaap:LongtermDebtType

be:NonRecourseDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9899102213218220223249251317323328333342
Percentage of LongTermDebtNoncurrent25.425.637.848.435.233.074.639.139.245.245.545.735.837.1
Percentage of Assets6.76.97.014.517.116.816.921.320.624.123.322.728.828.0
Percentage of Assets be:NonRecourseDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

be:RecourseDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value28829016822740144875387390385388390597579
Percentage of LongTermDebtNoncurrent74.674.462.251.664.867.025.460.960.854.854.554.364.262.9
Percentage of Assets19.720.011.615.431.434.25.733.131.929.227.927.051.647.4
Percentage of Assets be:RecourseDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtNoncurrent us-gaap:RelatedPartyTransactionsByRelatedParty

srt:AffiliatedEntity


Long
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3153833159606161
Percentage of LongTermDebtNoncurrent11.58.712.410.49.39.48.78.7
Percentage of Assets2.14.26.42.45.14.94.64.5
Percentage of Assets srt:AffiliatedEntity0.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5157626466739195104114125134141149155
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.54.04.34.45.25.66.98.18.58.79.09.312.212.312.7

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value201912262728285658585548522152
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.40.81.82.12.22.14.84.84.44.03.34.51.84.3

us-gaap:OtherLiabilitiesNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2020-09-302020-06-302020-03-312019-12-31
Value2.8622.6272.4922.355
Percentage of OtherLiabilitiesNoncurrent10.89.68.78.4
Percentage of Assets0.20.20.20.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.90.80.70.7

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-01-01
Value78614134
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0
Percentage of Assets5.44.32.92.5

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-31
Value14128.211
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0
Percentage of Assets1.00.80.6

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-312020-12-31
Value4544
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo372.2539.0
Percentage of Assets3.13.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary14.213.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-31
Value12108.292
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0
Percentage of Assets0.90.70.6

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-312020-12-31
Value4645
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree432.9546.9
Percentage of Assets3.23.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary14.613.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-31
Value13108.472
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0
Percentage of Assets0.90.80.6

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-312020-12-31
Value4746
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour433.0549.9
Percentage of Assets3.33.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary14.914.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value8.33
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.6

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2020-12-31
Value47
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive571.6
Percentage of Assets3.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary14.4

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value19
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets1.4

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2020-12-31
Value264
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive1330.1
Percentage of Assets18.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary79.7

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-31
Value836849
Percentage of OperatingLeaseLiability100.0100.0100.0
Percentage of Assets5.74.73.4

us-gaap:OperatingLeaseLiability us-gaap:Range, us-gaap:StatementScenario, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:Maximum, srt:ScenarioForecast, us-gaap:AccountingStandardsUpdate201602


Operating
Period End2020-12-31
Value44
Percentage of OperatingLeaseLiability88.4
Percentage of Assets3.0
Percentage of Assets srt:Maximum srt:ScenarioForecast us-gaap:AccountingStandardsUpdate2016020.0

srt:Minimum, srt:ScenarioForecast, us-gaap:AccountingStandardsUpdate201602


Operating
Period End2020-12-31
Value36
Percentage of OperatingLeaseLiability72.4
Percentage of Assets2.5
Percentage of Assets srt:Minimum srt:ScenarioForecast us-gaap:AccountingStandardsUpdate2016020.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-31
Value13310564
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0
Percentage of Assets9.17.34.4

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:PortfolioFinancing, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-06-30
Value469
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue351.1
Percentage of Assets32.1
Percentage of Assets be:PortfolioFinancing us-gaap:VariableInterestEntityPrimaryBeneficiary0.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-312020-12-31
Value480491
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue454.5760.9
Percentage of Assets33.133.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary150.3148.1

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-31
Value503614
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0
Percentage of Assets3.42.51.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-21.5716.0678-22.418-316.951-333.099-259.594-106.847-115.785-105.439-91.661-84.975-2227.017-2213.432-2180.004
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.50.45.4-1.5-24.8-25.4-19.6-9.1-9.5-8.0-6.6-5.9-192.4-182.3-178.5

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-31
Value-126.799
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0
Percentage of Assets-8.7
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:Parent


Stockholders
Period End2020-12-31
Value-121.491
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest95.8
Percentage of Assets-8.4
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:Parent0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value5.308
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-4.2
Percentage of Assets0.4
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

be:RedeemableNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value0.3340.3560.3770.1890.1180.0670.4430.5570.50558575654585856555962
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.0-0.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.04.54.13.94.74.84.80.00.00.00.0
Percentage of Assets be:RedeemableNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1211151717179.238119.1465.6923.5480.4771.7712.9095.8536.937
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.0-12.60.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.90.81.11.21.41.30.71.00.70.40.30.00.20.20.50.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-31
Value-0.124-0.126-0.009-0.009-0.0090.0140.019-0.147-0.1480.0050.1310.2720.216-0.162-0.388-0.466-0.542
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.00.00.00.0-0.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-31
Value315531293182305427472689268626472604255224812387166150142124108
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.0-2510.10.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets215.6215.7218.8207.2215.1204.9203.1226.3213.0193.5178.6165.214.412.40.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-31
Value0.0170.0170.0170.0150.0130.0120.0120.0120.0110.0110.0110.0110.0010.0010.0010.0010.001
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value515762646673919510411412513414114915516317117570
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.0-49.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets3.54.04.34.45.25.66.98.18.58.79.09.312.212.312.70.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-21.5716.0678-22.418-316.951-333.099-259.594-232.812-224.904-194.863-142.61-2199.921-1966.096
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.0-62.20.00.00.00.00.00.00.00.00.00.0
Percentage of Assets-1.50.45.4-1.5-24.8-25.4-19.6-19.9-18.4-14.8-10.3-180.20.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-31
Value-3177.381-3123.518-3103.937-3076.8-3064.845-3022.333-2946.384-2880.551-2828.801-2746.89-2624.104-2472.619-2394.04-2330.647-2262.886-2191.055-2068.048
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.02447.90.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets-217.0-215.2-213.4-208.7-239.9-230.3-222.8-246.2-231.4-208.3-188.8-171.1-206.8-190.90.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value17000.017000.017000.015000.013000.012000.012000.011000.011000.011000.011000.01000.01000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value31553129318230542747268626472604255224802387166158150
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets215.6215.7218.8207.2215.1203.1226.3213.0193.5178.5165.214.413.112.4

us-gaap:AdditionalPaidInCapital us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:AccountingStandardsUpdate202006, be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Additional
Period End2021-01-01
Value-126.8
Percentage of AdditionalPaidInCapital0.0
Percentage of Assets0.0
Percentage of Assets be:AccountingStandardsUpdate202006 be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.0

us-gaap:AccountingStandardsUpdate202006, be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Additional
Period End2021-01-01
Value-126.8
Percentage of AdditionalPaidInCapital0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:AccountingStandardsUpdate202006 be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-3177400000.0-3123500000.0-3103900000.0-3076800000.0-3064800000.0-2946400000.0-2880600000.0-2828800000.0-2746900000.0-2572400000.0-2472600000.0-2394000000.0-2372200000.0-2330600000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-217.0-215.2-213.4-208.7-239.9-222.8-246.2-231.4-208.3-185.1-171.1-206.8-195.4-190.9

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:AccountingStandardsUpdate202006, be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Retained
Period End2021-01-01
Value-5300000.0
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets0.0
Percentage of Assets be:AccountingStandardsUpdate202006 be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.0

us-gaap:AccountingStandardsUpdate202006, be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Retained
Period End2021-01-01
Value5300000.0
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:AccountingStandardsUpdate202006 be:GreenConvertibleSeniorNotes us-gaap:SeniorNotes0.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-124000.0-126000.0-9000.0-9000.0-9000.019000.0-147000.0-148000.05000.0131000.0272000.0217000.0117000.0-162000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.00.0-0.0-0.00.00.00.00.00.0-0.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5157626466739195104114125134141149155
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.54.04.34.45.25.66.98.18.58.79.09.312.212.312.7

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1815151417213439516393697.6427.6147.547.485
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1815151417213439516393697.6427.614
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

be:RedeemableNoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.0170.010.0180.0160.0010.1860.2883.2550.282-13.2890.2884.7411.472-9.920.288
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets be:RedeemableNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.8823.8631.5090.2691.533.8970.721.0421.5952.6131.0592.0443.2962.0662.9352.43
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders0.022723.515090.01494.49562.5389700.0387.1361.849.0926.6-8.0709.769.5140.4-29.6843.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value53-89.035-18.806-39.755-12.287-27.9482423119-4.17-44.7694.93715-34.487-2.07714
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.3-50.1-8.1-21.6-7.1-19.811.511.564.4-3.2-21.02.69.4-20.4-1.715.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-21.529-12.932-4.847-13.506-7.2-12.36-26.101-5.1-10.46195-110.2525.753.1376.536-0.805-28.863
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.1-7.3-2.1-7.3-4.2-8.7-12.2-2.4-5.673.1-51.63.01.93.9-0.7-30.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.65451-64.006233-10.3031621-32.068-107.783-1.49-8.72283-12.759-9.069-8.442-6.908
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.328.8-27.5127.0-6.011.99.8-15.4-58.2-1.1-4.1149.1-7.6-5.4-6.8-7.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value34-51.046-87.659180-29.79-23.46919-13.1911.13289-163.7412946.28-37.02-11.324-21.295
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.4-28.7-37.798.1-17.3-16.69.1-6.30.668.8-76.7154.83.7-21.9-9.2-22.7

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfFinancingCosts

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Amortization
Period End2021-06-302020-08-31
Value0.50.1
Percentage of AmortizationOfFinancingCosts100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1514-9.324-0.1274.0094.822-25.48119-2.997-2.4647.0716.0196.044-0.8279.38711
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-50.5338.815490.86713-2.1366.198-11.559-45.775-0.816434.682-21.71728-6.942-3.179
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value101010195.615-2.083-26.32135-11.61-15.932-2.249-1.707396.8187.136-17.643
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value53-89.035-18.806-39.755-12.287-27.9482423119-4.17-44.7694.93715-34.487-2.07714
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.3-50.1-8.1-21.6-7.1-19.811.511.564.4-3.2-21.02.69.4-20.4-1.715.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-53863000.0-24889000.0-27138000.0-11954000.0-42512000.0-75949000.0-65833000.0-34903000.0-62216000.0-84441000.0-99781000.0-78579000.0-45677000.0-17716000.0-67761000.0-71831000.0-63475000.0-59532000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.4-14.0-11.7-6.5-24.7-53.7-30.8-16.7-33.6-64.9-46.7-41.3-27.0-10.5-55.0-76.6-73.1-82.5

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-58421000.0-29781000.0-31591000.0-17876000.0-47978000.0-81642000.0-71011000.0-39930000.0-67231000.0-88273000.0-104440000.0-82510000.0-50188000.0-22348000.0-71921000.0-76358000.0-67598000.0-65388000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-27.5-16.8-13.6-9.7-27.9-57.8-33.3-19.1-36.3-67.9-48.9-43.4-29.7-13.2-58.4-81.4-77.9-90.6

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

be:RedeemableNoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-22000.0-4000.0198000.089000.067000.0-375000.072000.0340000.0642000.01823000.01102000.01794000.01506000.01491000.01451000.01465000.0
Percentage of ProfitLoss0.00.0-0.6-0.5-0.10.5-0.1-0.9-1.0-2.1-1.1-2.2-3.0-6.7-2.0-1.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.10.00.0-0.30.00.20.31.40.50.90.90.91.21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax be:RedeemableNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-4536000.0-4888000.0-4652000.0-6011000.0-5532000.0-5318000.0-5250000.0-5367000.0-5657000.0-5655000.0-5764000.0-5725000.0-6017000.0-6123000.0-5611000.0-5992000.0
Percentage of ProfitLoss7.816.414.733.611.56.57.413.48.46.45.56.912.027.47.87.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.1-2.8-2.0-3.3-3.2-3.8-2.5-2.6-3.1-4.3-2.7-3.0-3.6-3.6-4.6-6.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-53863000.0-24889000.0-27138000.0-11954000.0-42512000.0-75949000.0-122850000.0-34903000.0-62216000.0-104920000.0-131570000.0-78579000.0-45677000.0
Percentage of ProfitLoss92.283.685.966.988.693.0173.087.492.5118.9126.095.291.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.4-14.0-11.7-6.5-24.7-53.7-57.5-16.7-33.6-80.7-61.6-41.3-27.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value-53863000.0-24889000.0-27138000.0-11954000.0-42512000.0-75949000.0-122850000.0-34903000.0-62216000.0-104920000.0-131570000.0-78579000.0-45677000.0-81524000.0-71831000.0
Percentage of ProfitLoss92.283.685.966.988.693.0173.087.492.5118.9126.095.291.0113.494.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.4-14.0-11.7-6.5-24.7-53.7-57.5-16.7-33.6-80.7-61.6-41.3-27.0-66.1-76.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-21.529-12.932-4.847-13.506-7.2-12.36-26.101-5.1-10.46195-110.2525.753.1376.536-0.805-28.863
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.1-7.3-2.1-7.3-4.2-8.7-12.2-2.4-5.673.1-51.63.01.93.9-0.7-30.8

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value21124.847137.212274.592108.543102.7381.3720.2231.0771.798
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.65451-64.006233-10.3031621-32.068-107.783-1.49-8.72283-12.759-9.069-8.442-6.908
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.328.8-27.5127.0-6.011.99.8-15.4-58.2-1.1-4.1149.1-7.6-5.4-6.8-7.4

Debt Instrument Interest Rate Stated Percentage

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

us-gaap:DebtInstrumentInterestRateStatedPercentage

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6.076.076.16.070.06070.0610.0607
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations be:SeniorSecuredNotesDueMarch2030NonRecourse us-gaap:SeniorNotes0.00.00.00.00.00.00.0

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7.50.0750.0750.0750.0750.0750.0750.075
Percentage of DebtInstrumentInterestRateStatedPercentage123.6123.6123.0123.60.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations be:TermLoanDueSeptember2028NonRecourse us-gaap:SecuredDebt0.00.00.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value-0.5-0.40.10-0.003-0.0020.001-0.003-0.004-0.002-0.0030-0.0030.002-0.004-0.003
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value20.9820.6921.2720.7620.6920.7920.7625.0625.4725.4125.9325.8828.1126.4223.85
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:PlanName

be:A2002StockPlan


Share
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value23.7526.6425.5224.824.1323.2122.8222.7421.1620.1920.0419.05
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice114.8125.2122.9119.9116.1111.891.189.383.377.977.467.8

be:A2012EquityIncentivePlan


Share
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value27.2427.4327.2827.1527.1427.1227.2427.1427.1227.1327.1330.95
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice131.7129.0131.4131.2130.5130.6108.7106.6106.7104.6104.8110.1

be:A2018EquityIncentivePlan


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value9.489.169.259.319.4217.9519.7120.7426.3327.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice44.644.144.744.845.471.677.481.6101.5106.8

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:PlanName, us-gaap:StatementClassOfStock

be:A2018EquityIncentivePlan, us-gaap:CommonClassA


Share
Period End2021-03-31
Value9.43
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice45.6

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value135893038
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3734302827
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value614633566542
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0

be:AccruedDebtInterestAndIssuanceCostsIncurredDuringPeriod

be:AccruedDebtInterestAndIssuanceCostsIncurredDuringPeriod


Accrued
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.2680.03-0.4670.4670.4650.4590.4490.439-1.063.1819.1127.8087.9687.824
Percentage of AccruedDebtInterestAndIssuanceCostsIncurredDuringPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:AdjustmentsToAdditionalPaidInCapitalEmbeddedDerivative us-gaap:StatementEquityComponents

be:AdjustmentsToAdditionalPaidInCapitalEmbeddedDerivative

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-24071000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalEmbeddedDerivative0.00.00.0100.0

us-gaap:Parent


Adjustments
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-24071000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalEmbeddedDerivative0.00.00.0100.0

be:AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims

be:AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims


Allocated
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
Value1917161518234139516392717.8187.9568.137.6868.018
Percentage of AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
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
Value3.8042.9993.6643.5684.7365.507136.793101421161.9711.8982.1911.9061.879
Percentage of AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims19.917.422.222.725.423.933.617.020.322.523.122.525.223.926.924.823.4

us-gaap:GeneralAndAdministrativeExpense


Allocated
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
Value6.0285.2186.0815.836.9477.5261320192333272.8943.4683.3773.4243.383
Percentage of AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims31.530.336.837.137.332.732.351.838.437.236.238.437.043.641.544.542.2

us-gaap:ResearchAndDevelopmentExpense


Allocated
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
Value5.2914.9084.1244.1034.7146.0967.9126.589121420151.7391.6381.51.3541.377
Percentage of AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims27.728.525.026.125.326.519.116.523.922.322.121.122.220.618.517.617.2

us-gaap:SellingAndMarketingExpense


Allocated
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
Value4.014.0852.6392.2342.2343.896.2085.8238.9351117121.2140.9521.0621.0021.379
Percentage of AllocatedSharebasedCompensationExpenseAndIssuanceOfStockAndWarrantsForServicesOrClaims21.023.716.014.212.016.915.014.617.418.018.518.015.512.013.113.017.2

be:ContractWithCustomerAssetRecognizedDuringThePeriod

be:ContractWithCustomerAssetRecognizedDuringThePeriod


Contract
Period End2021-06-30
Value14
Percentage of ContractWithCustomerAssetRecognizedDuringThePeriod100.0

be:ContractWithCustomerLiabilityAdditions

be:ContractWithCustomerLiabilityAdditions


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value195156189166159138212190189118
Percentage of ContractWithCustomerLiabilityAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance

be:ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance


Contract
Period End2021-06-302020-06-30
Value199167
Percentage of ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance100.0100.0

be:DebtConversionConvertedInstrumentAmountRelatedPartyIntoCommonStock

be:DebtConversionConvertedInstrumentAmountRelatedPartyIntoCommonStock


Debt
Period End2020-12-31
Value0.0
Percentage of DebtConversionConvertedInstrumentAmountRelatedPartyIntoCommonStock0.0

be:DerivativeGainOnDerivativeGainFromSettlementsOfContracts us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

be:DerivativeGainOnDerivativeGainFromSettlementsOfContracts

us-gaap:EnergyRelatedDerivative, us-gaap:Nondesignated


Derivative
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
Value700000.0700000.0800000.01200000.01500000.01000000.0900000.01100000.01100000.0500000.0500000.0600000.01200000.01100000.0900000.01100000.01100000.0
Percentage of DerivativeGainOnDerivativeGainFromSettlementsOfContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:EmbeddedDerivativeAdjustment

be:EmbeddedDerivativeAdjustment


Embedded
Period End2020-12-312020-09-302020-06-302020-03-312019-03-31
Value0.00.00.0240.0
Percentage of EmbeddedDerivativeAdjustment0.00.00.0100.00.0

be:EmbeddedDerivativeGainLossonEmbeddedDerivativeNetAndFairValueAdjustmentOfWarrants

be:EmbeddedDerivativeGainLossonEmbeddedDerivativeNetAndFairValueAdjustmentOfWarrants


Embedded
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-942000.0-518000.0-1737000.01505000.0412000.0300000.0-540000.0000-13000.01655000.0-19197000.0-4034000.0-15114000.0572000.0-668000.0215000.0
Percentage of EmbeddedDerivativeGainLossonEmbeddedDerivativeNetAndFairValueAdjustmentOfWarrants100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

be:FinanceLeaseCost

be:FinanceLeaseCost


Finance
Period End2021-06-302021-03-312020-06-302020-03-31
Value220000.0907000.017000.06000.0
Percentage of FinanceLeaseCost100.0100.0100.0100.0

be:GainLossOnExtinguishmentOfDebtBeforeRevaluationOfFairValueOfDebtDerivativesUponConversion

be:GainLossOnExtinguishmentOfDebtBeforeRevaluationOfFairValueOfDebtDerivativesUponConversion


Gain
Period End2020-12-312020-09-302020-06-302020-03-31
Value02313000.00-14098000.0
Percentage of GainLossOnExtinguishmentOfDebtBeforeRevaluationOfFairValueOfDebtDerivativesUponConversion0.0100.00.0100.0

be:GainLossOnLongTermPurchaseContract

be:GainLossOnLongTermPurchaseContract


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0-70000.0-6000.04000.08000.0-1000.0-1000.0-59000.0-50000.0-50000.0-88000.0-12000.0130000.0-12000.0
Percentage of GainLossOnLongTermPurchaseContract0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:IncreaseDecreaseOnAccruedWarrantyLiability

be:IncreaseDecreaseOnAccruedWarrantyLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1740000.0-4305000.0284000.0-366000.0-840000.0681000.0-2662000.02902000.0-4343000.0-2500000.01262000.03047000.0-1796000.0-87000.0-5279000.04825000.0
Percentage of IncreaseDecreaseOnAccruedWarrantyLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:IncreaseDecreaseOperatingLeaseLiabilities

be:IncreaseDecreaseOperatingLeaseLiabilities


Increase
Period End2021-03-312020-03-31
Value2474000.01717000.0
Percentage of IncreaseDecreaseOperatingLeaseLiabilities100.0100.0

be:IncreaseDecreaseinConstructionInProgress

be:IncreaseDecreaseinConstructionInProgress


Increase
Period End2020-09-302020-06-302020-03-31
Value0.3-0.210
Percentage of IncreaseDecreaseinConstructionInProgress100.0100.0100.0

be:IncreaseDecreaseinConstructionInProgress us-gaap:PropertyPlantAndEquipmentByType

be:PlantExpansion


Increase
Period End2020-09-30
Value-0.3
Percentage of IncreaseDecreaseinConstructionInProgress-100.0

us-gaap:EnergyEquipment


Increase
Period End2020-09-302020-06-302020-03-31
Value0.65.18.4
Percentage of IncreaseDecreaseinConstructionInProgress200.0-2550.082.4

be:InventoryProvision

be:InventoryProvision


Inventory
Period End2020-09-302019-09-30
Value300000.0900000.0
Percentage of InventoryProvision100.0100.0

be:NonCashLeaseExpense

be:NonCashLeaseExpense


Non
Period End2021-06-302021-03-312020-06-302020-03-31
Value2405000.02115000.01210000.01549000.0
Percentage of NonCashLeaseExpense100.0100.0100.0100.0

be:NoncontrollingInterestIncreaseFromOtherTransactions us-gaap:StatementEquityComponents

be:NoncontrollingInterestIncreaseFromOtherTransactions

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2020-09-30
Value4314000.0
Percentage of NoncontrollingInterestIncreaseFromOtherTransactions100.0

be:OperatingAndShortTermLeaseCost

be:OperatingAndShortTermLeaseCost


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value3800000.03100000.01900000.02100000.0
Percentage of OperatingAndShortTermLeaseCost100.0100.0100.0100.0

be:OtherComprehensiveIncomeLossNetofTaxIncludingNoncontrollingInterestAndNetincomeLossAttributableToParent

be:OtherComprehensiveIncomeLossNetofTaxIncludingNoncontrollingInterestAndNetincomeLossAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-57032000.0-34662000.0-30343000.0-17303000.0-48504000.0-89856000.0-139850000.0-37359000.0-65709000.0-86615000.0-102840000.0-77338000.0-44591000.0-14858000.0-66649000.0-71759000.0-64398000.0
Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingNoncontrollingInterestAndNetincomeLossAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:ProceedsFromFinancingObligations

be:ProceedsFromFinancingObligations


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.1075.01611140.00.0520.09.372101221
Percentage of ProceedsFromFinancingObligations100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0

be:ProceedsfromNoncashContributionsfromParent dei:LegalEntity

be:ProceedsfromNoncashContributionsfromParent

be:PowerPurchaseAgreementCompany3a


Proceedsfrom
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value8655000.00008655000.00008655000.000
Percentage of ProceedsfromNoncashContributionsfromParent100.00.00.00.0100.00.00.00.0100.00.00.0

be:RecognitionOfFinancingLeaseRightOfUseAssetsInPeriod

be:RecognitionOfFinancingLeaseRightOfUseAssetsInPeriod


Recognition
Period End2021-06-302021-03-312020-06-302020-03-31
Value-122000.01457000.00251000.0
Percentage of RecognitionOfFinancingLeaseRightOfUseAssetsInPeriod100.0100.00.0100.0

be:RecognitionOfOperatingLeaseRightOfUseAssetsInPeriod

be:RecognitionOfOperatingLeaseRightOfUseAssetsInPeriod


Recognition
Period End2021-06-302021-03-312020-06-302020-03-31
Value18222.9120.421
Percentage of RecognitionOfOperatingLeaseRightOfUseAssetsInPeriod100.0100.0100.0100.0

be:RepaymentsOfFinancingObligations

be:RepaymentsOfFinancingObligations


Repayments
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
Value3.313.0772.9282.7172.6082.5032.5352.4132.1231.8831.6257.545-1.519-1.463
Percentage of RepaymentsOfFinancingObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:RestrictedCashReleased us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

be:RestrictedCashReleased

us-gaap:VariableInterestEntityPrimaryBeneficiary, be:PowerPurchaseAgreementCompany3b


Restricted
Period End2020-12-31
Value6600000.0
Percentage of RestrictedCashReleased100.0

be:SharebasedCompensationAndIssuanceOfStockAndWarrantsForServicesOrClaims

be:SharebasedCompensationAndIssuanceOfStockAndWarrantsForServicesOrClaims


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1917161518234139516392717.8177.9568.137.686
Percentage of SharebasedCompensationAndIssuanceOfStockAndWarrantsForServicesOrClaims100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:StandardAndExtendedProductWarrantyAccrualIncreaseDecreaseForPreexistingWarrantiesAndDecreaseForPayments

be:StandardAndExtendedProductWarrantyAccrualIncreaseDecreaseForPreexistingWarrantiesAndDecreaseForPayments


Standard
Period End2021-06-302021-03-312020-12-312018-12-312018-09-30
Value-5104000.01114000.0-559000.0-5779000.0-120000.0
Percentage of StandardAndExtendedProductWarrantyAccrualIncreaseDecreaseForPreexistingWarrantiesAndDecreaseForPayments100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfDebtDiscountPremium

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Amortization
Period End2020-08-31
Value2.1
Percentage of AmortizationOfDebtDiscountPremium100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.9290.9716.650.275-5.2254.7555.8355.04
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.1611.1726.825-0.1440.0280.466-0.829-2.0882.5952.067101.3620.4470.0650.903-0.073
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-312020-12-31
Value500000.0-2200000.00
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.00.0

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

us-gaap:ConcentrationRiskPercentage1

be:CertainSolar, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2020-09-30
Value21.0
Percentage of ConcentrationRiskPercentage1100.0

be:CustomerOne, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302019-09-302019-06-302019-03-31
Value31.00.150.170.24
Percentage of ConcentrationRiskPercentage10.00.00.00.0

be:CustomerThree, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302019-06-302019-03-31
Value12.00.020.23
Percentage of ConcentrationRiskPercentage10.00.00.0

be:CustomerTwo, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value26.00.520.520.250.540.450.53
Percentage of ConcentrationRiskPercentage10.00.00.00.00.00.00.0

be:DukeEnergy, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2020-09-302020-06-302020-03-31
Value25.00.320.31
Percentage of ConcentrationRiskPercentage1119.00.00.0

be:EdgeWiseEnergyLLC, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-31
Value30.0
Percentage of ConcentrationRiskPercentage10.0

be:SKEngineeringConstructionCoLtd, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-31
Value76.0
Percentage of ConcentrationRiskPercentage10.0

be:SKEngineeringConstructionCoLtd, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value43.024.00.2936.016.00.21
Percentage of ConcentrationRiskPercentage10.0114.30.00.00.00.0

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

srt:AsiaPacific, us-gaap:SalesRevenueNet, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value34.024.00.30.370.1520.1770.330.0010.009
Percentage of ConcentrationRiskPercentage10.0114.30.00.00.00.00.00.00.0

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable


Contract
Period End2021-06-30
Value600000.0
Percentage of ContractWithCustomerAssetReclassifiedToReceivable100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value171178166136198171117
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ContractWithCustomerDuration

us-gaap:ShortTermContractWithCustomer


Contract
Period End2020-12-312020-09-30
Value0.014
Percentage of ContractWithCustomerLiabilityRevenueRecognized0.08.0

us-gaap:DebtConversionConvertedInstrumentAmount1

us-gaap:DebtConversionConvertedInstrumentAmount1


Debt
Period End2020-09-30
Value109
Percentage of DebtConversionConvertedInstrumentAmount1100.0

us-gaap:DebtConversionConvertedInstrumentAmount1 us-gaap:CounterpartyName, us-gaap:StatementClassOfStock

be:ForisVenturesLLC, us-gaap:CommonClassB


Debt
Period End2020-08-31
Value10.0
Percentage of DebtConversionConvertedInstrumentAmount10.0

be:KleinerPerkinsCaufieldByersLLC, us-gaap:CommonClassB


Debt
Period End2020-08-31
Value6.9
Percentage of DebtConversionConvertedInstrumentAmount10.0

be:NewEnterpriseAssociatesLLC, us-gaap:CommonClassB


Debt
Period End2020-08-31
Value33
Percentage of DebtConversionConvertedInstrumentAmount10.0

us-gaap:DebtConversionConvertedInstrumentAmount1 us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleNotesPayable


Debt
Period End2020-12-31
Value99
Percentage of DebtConversionConvertedInstrumentAmount10.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value13131313121322241911111010101111
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipment


Depreciationus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1313413.71213596.46.46.4346.46.46.4
Percentage of Depreciation100.399.7308.428.499.999.7261.325.832.456.8300.460.559.859.0

us-gaap:Depreciation us-gaap:PropertySubjectToOrAvailableForOperatingLease

us-gaap:PropertySubjectToOperatingLease


Depreciationus-gaap:
Period End2020-09-302019-09-30
Value9.328
Percentage of Depreciation71.3112.9

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-900000.0-500000.0-1600000.01500000.0400000.0300000.0-600000.0-500000.0-500000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

be:PPACompanyV, us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-29000.0-35600.036000.0152000.036000.036000.024000.0-11000.040000.055000.054000.042000.032000.020000.0
Percentage of DerivativeGainLossOnDerivativeNet-1.9-8.912.0-25.3-7.2-7.20.00.00.00.00.00.00.00.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap


Derivative
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
Value35000.035000.035000.036000.037000.037000.082000.048000.048000.047000.0-14000.0-58000.071000.092000.0
Percentage of DerivativeGainLossOnDerivativeNet-3.9-7.0-2.22.49.212.3-13.7-9.6-9.60.00.00.00.00.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:EnergyRelatedDerivative, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value700000.0200000.0700000.0-100000.0-600000.0700000.0-800000.0-1100000.0400000.01100000.01100000.0800000.0-900000.0-3400000.0-300000.0900000.0
Percentage of DerivativeGainLossOnDerivativeNet-77.8-40.046.7-25.0-200.0-116.7160.0220.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure

us-gaap:EnergyRelatedDerivative, us-gaap:Nondesignated


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-282000.0-295000.0-292000.01699000.0-295000.0-295000.0-292000.02873000.0-361000.0-295000.0
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-31
Value6000.0-229000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.7-0.90.2-15.45.7-6.23.9
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense us-gaap:PlanName

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense

be:A2018EmployeeStockPurchasePlan


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.11.10.50.51.82.91.8783.22.42.8
Percentage of EmployeeStockOwnershipPlanESOPCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3


Fair
Period End2021-06-302021-03-31
Value-1424000.01650000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3 us-gaap:FinancialInstrument

us-gaap:EnergyRelatedDerivative


Fair
Period End2021-06-302021-03-31
Value-1474000.01700000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3103.5103.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings


Fair
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-0.207-0.326-1.7062.231-0.2750.2761.5280.8271.056-0.4061.175-20.817-7.4087.316
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:FinancialInstrument

us-gaap:EmbeddedDerivativeFinancialInstruments


Fair
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-0.942-0.519-1.5661.5050.98-0.2842.1610.00.00.00.0-23.407-17.2299.732
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings455.1159.291.867.5-356.4-102.9141.40.00.0-0.00.0112.4232.6133.0

us-gaap:EnergyRelatedDerivative


Fair
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
Value0.7350.193-0.140.726-1.2550.56-0.6330.8271.056-0.4061.1751.103-0.9060.855
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings-355.1-59.28.232.5456.4202.9-41.4100.0100.0100.0100.0-5.312.211.7

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements


Fair
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
Value689000.0731000.0811000.01214000.01453000.01025000.0864000.01131000.01083000.0527000.0541000.0579000.01190000.01102000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:FinancialInstrument

us-gaap:EnergyRelatedDerivative


Fair
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
Value689000.0731000.0811000.01214000.01453000.01025000.0864000.01131000.01083000.0527000.0541000.0579000.01190000.01102000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-06-302020-03-31
Value46000.0199000.04000.02000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-312020-06-302020-03-31
Value220000.039000.019000.01000.0
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-03-312020-03-31
Value63000.04000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-06-302020-03-31
Value174000.0708000.013000.04000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2000.0-36000.01000.0-1000.0-130000.0-283000.0-2703000.0-1000.0-38000.0-240000.0-661000.00-42000.0-1000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

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
Value4.608-48.0362.686-18.565-2.3465.25314-29.661501.244-7.0027.258-6.303-15.727
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredCharges

us-gaap:IncreaseDecreaseInDeferredCharges


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-18.93613-18.348-11.557-9.4991978-37.6566.816-26.014-40.3790.815-32.478-16.2826.19329
Percentage of IncreaseDecreaseInDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInLeasingReceivables

us-gaap:IncreaseDecreaseInLeasingReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.334-1.302-1.369-1.3-1.25-1.24-1.378-1.429-1.374-1.339-1.142-1.297-1.133-1.306-1.067-1.439
Percentage of IncreaseDecreaseInLeasingReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.716-24.94113-9.799130.5091.699-2.1846.390.823-8.68514-2.732-10.0836.569-4.064
Percentage of IncreaseDecreaseInOtherCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value723000.0687000.0-6121000.0-357000.0650000.02924000.0-337000.0-2253000.0-945000.0-83000.0-845000.0-1037000.01251000.0-1266000.0-1677000.0-498000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.1361.393-1.712-0.74-3.2551.1842.293-1.336-0.0683.4878.048-8.496108.0498.7869.532
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-3.748-3.9080.4779.961-4.254-3.06-0.7150.549-3.283-5.1940.5511-4.990.446-3.6414.876
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseRelatedParty

us-gaap:InterestExpenseRelatedParty


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.3530.7941.3661.9331.61.61.6121.6281.44313121.9611.9539.4147.516
Percentage of InterestExpenseRelatedParty0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:InvestmentIncomeInterestAndDividend


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
Value76000.074000.070000.0254000.0332000.0819000.0862000.01214000.01700000.01885000.01996000.01467000.0444000.0415000.00000
Percentage of InvestmentIncomeInterestAndDividend100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:LeaseAndRentalExpense

us-gaap:LeaseAndRentalExpense


Lease
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value2800000.01900000.02100000.02100000.01900000.01800000.02000000.01700000.01700000.01400000.0900000.01400000.01400000.0
Percentage of LeaseAndRentalExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.1324.0932.0152.214
Percentage of LeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value3743000.03018000.01915000.02069000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:ProductOrService

us-gaap:OperatingLeaseLeaseIncome

us-gaap:Electricity


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value16161515
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value3302000.02830000.02246000.02236000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.95.85.96.2
Percentage of OperatingLeaseRightOfUseAssetAmortizationExpense100.0100.0100.0100.0

us-gaap:OperatingLeasesIncomeStatementLeaseRevenue us-gaap:ProductOrService

us-gaap:OperatingLeasesIncomeStatementLeaseRevenue

us-gaap:Electricity


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value16161515151515167.77.87.78.37.47.1
Percentage of OperatingLeasesIncomeStatementLeaseRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value00-23000.000-12000.09000.017000.01000.01000.0100000.0-9000.0-25000.012000.00
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax0.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value00-23000.00-12000.09000.017000.01000.01000.0100000.0-9000.0-25000.012000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax0.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00-23000.00-12000.09000.017000.0-66000.01000.0100000.0-9000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax0.00.0100.00.0100.0100.0100.0-6600.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1880000.04164000.0747000.072000.0-928000.0-8356000.0-14193000.02472000.03460000.02130000.03067000.0-1173000.0-982000.0-2640000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-5.941-0.35-3.206-5.349-5.968-13.902-16.997-2.457-3.342.048-2.9141.1820.9842.5790.885-0.003-0.882
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302018-12-312018-09-302017-12-312017-09-30
Value0.09.8760.00.00.00.0
Percentage of PaymentsOfDebtIssuanceCosts0.0100.00.00.00.00.0

us-gaap:PaymentsOfDistributionsToAffiliates dei:LegalEntity

us-gaap:PaymentsOfDistributionsToAffiliates

be:PowerPurchaseAgreementCompany3a


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.8640.010.0180.0154.8040.1870.1860.1844.2460.1860.186
Percentage of PaymentsOfDistributionsToAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:PowerPurchaseAgreementCompany4


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value100.270.01.537.0520.270.0021.4384.9820.00.293
Percentage of PaymentsOfDistributionsToAffiliates224.52700.00.010200.0146.8144.41.1781.5117.30.0157.5

be:PowerPurchaseAgreementCompany5


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value26-49.5880.2690.0740.451.0420.155681.0571.752
Percentage of PaymentsOfDistributionsToAffiliates546.9-495880.01494.40.01543.0240.6560.284.21623.7568.3941.9

us-gaap:PaymentsOfFinancingCosts dei:LegalEntity

us-gaap:PaymentsOfFinancingCosts

be:PowerPurchaseAgreementCompany3a


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value440.00.00.0440.00.00.0440.00.0
Percentage of PaymentsOfFinancingCosts100.00.00.00.0100.00.00.00.0100.00.00.0

be:PowerPurchaseAgreementCompany4


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value990.00.00.0990.00.00.0990.00.0
Percentage of PaymentsOfFinancingCosts220.20.00.00.0220.20.00.00.0220.20.00.0

be:PowerPurchaseAgreementCompany5


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1310.00.00.01310.00.00.01310.00.0
Percentage of PaymentsOfFinancingCosts291.80.00.00.0291.80.00.00.0291.80.00.0

us-gaap:PaymentsToMinorityShareholders

us-gaap:PaymentsToMinorityShareholders


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.8823.881.5190.2881.5454.273.1741.614.5643.1891.0582.617.753.8322.9342.997
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromContributionsFromAffiliates dei:LegalEntity

us-gaap:ProceedsFromContributionsFromAffiliates

be:PowerPurchaseAgreementCompany3a


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value360.00.00.0360.00.00.0360.00.0
Percentage of ProceedsFromContributionsFromAffiliates100.00.00.00.0100.00.00.00.0100.00.00.0

be:PowerPurchaseAgreementCompany4


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value840.00.00.0840.00.00.0840.00.0
Percentage of ProceedsFromContributionsFromAffiliates229.30.00.00.0229.30.00.00.0229.30.00.0

be:PowerPurchaseAgreementCompany5


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2270.00.00.02270.00.00.02270.00.0
Percentage of ProceedsFromContributionsFromAffiliates615.00.00.00.0615.00.00.00.0615.00.00.0

us-gaap:ProceedsFromContributionsFromParent dei:LegalEntity

us-gaap:ProceedsFromContributionsFromParent

be:PowerPurchaseAgreementCompany3a


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value320.00.00.0320.00.00.0320.00.0
Percentage of ProceedsFromContributionsFromParent100.00.00.00.0100.00.00.00.0100.00.00.0

be:PowerPurchaseAgreementCompany4


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value110.00.00.0110.00.00.0110.00.0
Percentage of ProceedsFromContributionsFromParent36.20.00.00.036.20.00.00.036.20.00.0

be:PowerPurchaseAgreementCompany5


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value270.00.00.0270.00.00.0270.00.0
Percentage of ProceedsFromContributionsFromParent86.70.00.00.086.70.00.00.086.70.00.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Proceeds
Period End2020-08-31
Value220
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.71557107.5590.3414.8450.094.3020.8287.4930.0650.7140.6220.120.0960.109
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt


Proceeds
Period End2020-12-312020-09-30
Value0.0230
Percentage of ProceedsFromIssuanceOfOtherLongTermDebt0.0100.0

us-gaap:ProceedsFromRelatedPartyDebt

us-gaap:ProceedsFromRelatedPartyDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.0300.00.0
Percentage of ProceedsFromRelatedPartyDebt0.00.00.0100.00.00.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.753103.20.30.70.10.00.80.6
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Reclassification
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-495000.0-489000.0-501000.0-501000.0-425000.0-142000.0-141000.028000.0-42000.0-61000.09000.0-63000.085000.0212000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebt dei:LegalEntity

us-gaap:RepaymentsOfDebt

be:PowerPurchaseAgreementCompany3a


Repayments
Period End2021-03-312020-03-312019-03-31
Value118.7365.209
Percentage of RepaymentsOfDebt100.0100.0100.0

be:PowerPurchaseAgreementCompany4


Repayments
Period End2021-03-312020-03-312019-03-31
Value221816
Percentage of RepaymentsOfDebt190.7214.6309.3

be:PowerPurchaseAgreementCompany5


Repayments
Period End2021-03-312020-03-312019-03-31
Value19106.644
Percentage of RepaymentsOfDebt167.3119.3127.5

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2.9764.8628310739.128269.266
Percentage of RepaymentsOfOtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfRelatedPartyDebt

us-gaap:RepaymentsOfRelatedPartyDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0002105000.0509000.0471000.0442000.0778000.0400000.0363000.0337000.0290000.0268000.0235000.0
Percentage of RepaymentsOfRelatedPartyDebt0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties

us-gaap:RevenueFromRelatedParties


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
Value0.80.774.890.7420.8811.0495975810.8131.2840.1721.65629
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:CounterpartyName

be:SKEngineeringConstructionCoLtd


Revenue
Period End2021-06-30
Value3.3
Percentage of RevenueFromRelatedParties412.5

us-gaap:RevenueFromRelatedParties us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

be:SoftbankCorp., us-gaap:Service, us-gaap:EquityMethodInvestee


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-30
Value4.1240.80.70.70.91.01.6721.00.80.2
Percentage of RevenueFromRelatedParties515.5103.914.394.3102.295.32.81.31.012.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302017-12-312017-09-30
Value2.0611.37-0.12-3.91-5.8100
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302017-12-312017-09-30
Value-5.0329.590.70.04-14.9800
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302017-12-312017-09-30
Value-1.4518.39-0.110-11.2900
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value070.290.7100.4570.4750.5020.5610.5460.551
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate


Share
Period End2020-12-312020-09-302020-06-302020-03-312018-09-302017-09-30
Value00.5940.00600.02840.0195
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.0100.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-30
Value-2.2326.91.62-0.050.34
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-30
Value2.9410.64-0.522.550.64
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2020-12-312020-09-302020-06-302018-12-312018-09-30
Value07.37.33.55-11.71
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice0.0100.0100.0100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-06-302020-03-31
Value169000.0168000.083000.0139000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued


Standard
Period End2021-03-312020-12-312018-12-312018-09-30
Value3.224-0.1056.9490.863
Percentage of StandardProductWarrantyAccrualWarrantiesIssued100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:CounterpartyName, us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits

be:ForisVenturesLLC, us-gaap:CommonClassB


Stock
Period End2020-08-31
Value1.3
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits100.0

be:KleinerPerkinsCaufieldByersLLC, us-gaap:CommonClassB


Stock
Period End2020-08-31
Value0.9
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits69.2

be:NewEnterpriseAssociatesLLC, us-gaap:CommonClassB


Stock
Period End2020-08-31
Value4.2
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits323.1

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementClassOfStock

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleDebt, srt:AffiliatedEntity, us-gaap:CommonClassA


Stock
Period End2020-10-31
Value12
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits0.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:StatementClassOfStock

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleNotesPayable, us-gaap:CommonClassB


Stock
Period End2020-09-30
Value19
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits0.0

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:CommonClassA, us-gaap:SubsequentEvent


Stock
Period End2020-10-07
Value12
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits0.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities


Stock
Period End2020-09-302019-12-312018-12-312018-09-302017-12-31
Value1240.00.014650.0
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.00.00.0100.00.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312018-12-312018-09-30
Value2.7490.01465
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities0.00.0100.0

us-gaap:Parent


Stock
Period End2020-12-312018-12-312018-09-30
Value2.7490.01465
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities0.00.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-30
Value9916041
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-30
Value0.0020.0010.001
Percentage of StockIssuedDuringPeriodValueConversionOfUnits0.00.00.0

us-gaap:Parent


Stock
Period End2020-12-312020-09-302020-06-30
Value9916041
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.04.726-0.0014.3230.04.1770.04.2670.06.916
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan0.0100.0100.0100.00.0100.00.0100.00.0100.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.04.726-0.0014.3230.04.1770.04.2670.06.916
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan0.0100.0100.0100.00.0100.00.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value01000.0001000.0000
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.0100.00.00.0100.00.00.00.0

us-gaap:Parent


Stock
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value01000.0001000.0044000.0238000.0-53000.0120000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.0100.00.00.0100.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.71553103.2350.3410.6670.0890.0350.8280.5770.0650.7140.6230.0670.0960.109
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Stock
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
Value7.71553103.2350.3410.6670.0890.0350.8280.5770.0650.7130.6230.067
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-172000.0-290000.0-1842000.02267000.0313000.0-241000.0-1444000.0-780000.0-1008000.0453000.0-1710000.01850000.0-21454000.0-7157000.0-17518000.01486000.0
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:AccruedInstallationLiabilityCurrent

be:AccruedInstallationLiabilityCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value108.71716131210107.4576.5956.4086.8598.2315.4373.348
Percentage of AccruedInstallationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:CapitalLeasesFutureMinimumPaymentsDueAfterYearFour

be:CapitalLeasesFutureMinimumPaymentsDueAfterYearFour


Capital
Period End2020-09-30
Value122
Percentage of CapitalLeasesFutureMinimumPaymentsDueAfterYearFour100.0

be:CapitalLeasesNetInvestmentinSalesTypeLeasesMinimumPaymentstobeReceivedNetofExecutoryCosts

be:CapitalLeasesNetInvestmentinSalesTypeLeasesMinimumPaymentstobeReceivedNetofExecutoryCosts


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5254555670727475777881
Percentage of CapitalLeasesNetInvestmentinSalesTypeLeasesMinimumPaymentstobeReceivedNetofExecutoryCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:CashAllocationHeldByNoncontrollingInterestPercentage dei:LegalEntity

be:CashAllocationHeldByNoncontrollingInterestPercentage

be:PowerPurchaseAgreementCompany3a


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value99.099.099.00.990.990.990.990.990.990.990.990.99
Percentage of CashAllocationHeldByNoncontrollingInterestPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:PowerPurchaseAgreementCompany4


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value90.090.090.00.90.90.90.90.90.90.90.90.9
Percentage of CashAllocationHeldByNoncontrollingInterestPercentage90.990.990.990.990.990.990.990.990.990.990.990.9

be:PowerPurchaseAgreementCompany5


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value90.090.090.00.90.90.90.90.90.90.90.90.9
Percentage of CashAllocationHeldByNoncontrollingInterestPercentage90.990.990.990.990.990.990.990.990.990.990.990.9

be:ContractWithCustomerLiabilityCustomerDeposits

be:ContractWithCustomerLiabilityCustomerDeposits


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4233664248423927
Percentage of ContractWithCustomerLiabilityCustomerDeposits100.0100.0100.0100.0100.0100.0100.0100.0

be:ContractWithCustomerLiabilityDeferredRevenue

be:ContractWithCustomerLiabilityDeferredRevenue


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value116120135150162170175149157140149
Percentage of ContractWithCustomerLiabilityDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:ContractWithCustomerLiabilityIncentiveRevenue

be:ContractWithCustomerLiabilityIncentiveRevenue


Contract
Period End2020-09-302020-06-302020-03-312019-12-31
Value6900000.07067000.07232000.07397000.0
Percentage of ContractWithCustomerLiabilityIncentiveRevenue100.0100.0100.0100.0

be:DebtCovenantMinimumDebtServiceReservesRequired dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:DebtCovenantMinimumDebtServiceReservesRequired

be:PowerPurchaseAgreementCompany3a, be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.63.83.83.83.83.83.83.83.83.73.73.73.73.7
Percentage of DebtCovenantMinimumDebtServiceReservesRequired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:PowerPurchaseAgreementCompany4, be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.88.78.58.48.38.18.07.97.77.67.57.47.27.0
Percentage of DebtCovenantMinimumDebtServiceReservesRequired244.4228.9223.7221.1218.4213.2210.5207.9202.6205.4202.7200.0194.6189.2

be:DebtInstrumentAccruedAndUnpaidInterest us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:DebtInstrumentAccruedAndUnpaidInterest

be:NotesdueJuly2024Recourse, us-gaap:NotesPayableOtherPayables


Debt
Period End2020-12-312020-09-302020-06-302019-12-31
Value2100000.01300000.03600000.03900000.0
Percentage of DebtInstrumentAccruedAndUnpaidInterest100.0100.0100.0100.0

be:DebtInstrumentAccruedAndUnpaidInterest us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleDebt, srt:AffiliatedEntity, us-gaap:SubsequentEvent


Debt
Period End2020-10-08
Value2100000.0
Percentage of DebtInstrumentAccruedAndUnpaidInterest0.0

be:DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-08-31
Value96
Percentage of DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent100.0

be:DebtInstrumentDeemedPremium us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:DebtInstrumentDeemedPremium

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleDebt, srt:AffiliatedEntity


Debt
Period End2020-09-30
Value14
Percentage of DebtInstrumentDeemedPremium100.0

be:DebtIssuanceCostsAttributableToEquityComponentNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:DebtIssuanceCostsAttributableToEquityComponentNet

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-08-31
Value5600000.0
Percentage of DebtIssuanceCostsAttributableToEquityComponentNet100.0

be:DebtIssuanceCostsAttributableToLiabilityComponentNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:DebtIssuanceCostsAttributableToLiabilityComponentNet

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-08-31
Value4300000.0
Percentage of DebtIssuanceCostsAttributableToLiabilityComponentNet100.0

be:DebtOtherIssuanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:DebtOtherIssuanceCostsNet

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-08-31
Value3000000.0
Percentage of DebtOtherIssuanceCostsNet100.0

be:DeferredGovernmentGrantObligationCurrent

be:DeferredGovernmentGrantObligationCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value1000000.01300000.01300000.01300000.0
Percentage of DeferredGovernmentGrantObligationCurrent100.0100.0100.0100.0

be:DeferredGovernmentGrantObligationNoncurrent

be:DeferredGovernmentGrantObligationNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9.4319.2129.2129.21210101010101010101010
Percentage of DeferredGovernmentGrantObligationNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:DeferredRevenueAndCustomerDepositsCurrent

be:DeferredRevenueAndCustomerDepositsCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value796911495102998988129899410594118
Percentage of DeferredRevenueAndCustomerDepositsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:DeferredRevenueAndCustomerDepositsNoncurrent

be:DeferredRevenueAndCustomerDepositsNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value79848710311412012517918120124129030189309
Percentage of DeferredRevenueAndCustomerDepositsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:DeferredRevenueAndCustomerDepositsNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.7445.9096.0726.2396.4056.576.735
Percentage of DeferredRevenueAndCustomerDepositsNoncurrent7.37.06.96.05.65.45.4

be:DeferredTaxAssetsDepreciationandAmortization

be:DeferredTaxAssetsDepreciationandAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value7.5418.5239.63110
Percentage of DeferredTaxAssetsDepreciationandAmortization100.0100.0100.0100.0

be:DeferredTaxAssetsLeasingArrangements

be:DeferredTaxAssetsLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value128122108
Percentage of DeferredTaxAssetsLeasingArrangements100.0100.0100.0

be:DeferredTaxAssetsTaxCreditandOperatingLossCarryforwards

be:DeferredTaxAssetsTaxCreditandOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value510494468457
Percentage of DeferredTaxAssetsTaxCreditandOperatingLossCarryforwards100.0100.0100.0100.0

be:DeferredTaxLiabilitiesLeasesRightOfUseAssets

be:DeferredTaxLiabilitiesLeasesRightOfUseAssets


Deferred
Period End2020-12-312019-12-31
Value7065
Percentage of DeferredTaxLiabilitiesLeasesRightOfUseAssets100.0100.0

be:DeferredTaxLiabilitiesOriginalIssueDiscount

be:DeferredTaxLiabilitiesOriginalIssueDiscount


Deferred
Period End2020-12-31
Value29
Percentage of DeferredTaxLiabilitiesOriginalIssueDiscount100.0

be:EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedSharebasedAwardsOtherthanOptions us-gaap:AwardType

be:EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedSharebasedAwardsOtherthanOptions

us-gaap:RestrictedStockUnitsRSU


Employeeand
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
Value14112659623537527610814516397
Percentage of EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedSharebasedAwardsOtherthanOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedSharebasedAwardsOtherthanOptions us-gaap:PlanName

be:A2018EmployeeStockPurchasePlan


Employeeand
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2.11.21.72.63.7
Percentage of EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedSharebasedAwardsOtherthanOptions1.51.02.84.210.5

be:EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedStockOptions

be:EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedStockOptions


Employeeand
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312017-12-31
Value12162025313641657062
Percentage of EmployeeandNonEmployeeServiceSharebasedCompensationNonvestedAwardsCompensationNotyetRecognizedStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:FinanceLeaseLiabilityToBePaidAfterYearFour

be:FinanceLeaseLiabilityToBePaidAfterYearFour


Finance
Period End2021-06-302021-03-31
Value0.0750.018
Percentage of FinanceLeaseLiabilityToBePaidAfterYearFour100.0100.0

be:FinanceLeaseLiabilityToBePaidAfterYearFour be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value89
Percentage of FinanceLeaseLiabilityToBePaidAfterYearFour119844.0

be:FinanceLeaseLiabilityToBePaidAfterYearFour us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-31
Value88
Percentage of FinanceLeaseLiabilityToBePaidAfterYearFour493011.1

be:FinancingObligationCurrent

be:FinancingObligationCurrent


Financing
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
Value1313121211111077118758.128726671
Percentage of FinancingObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:FinancingObligationNoncurrent

be:FinancingObligationNoncurrent


Financing
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
Value459461459451440443446397400394385375356321
Percentage of FinancingObligationNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsDueAfterFourYears

be:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsDueAfterFourYears


Future
Period End2020-09-30
Value25
Percentage of FutureMinimumSubleaseRentalsSaleLeasebackTransactionsDueAfterFourYears100.0

be:GovernmentGrantCumulativeCompensationPaidToDate

be:GovernmentGrantCumulativeCompensationPaidToDate


Government
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1621521441351271201131059986868069
Percentage of GovernmentGrantCumulativeCompensationPaidToDate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:GovernmentGrantMaximumPossibleRepaymentAmountRecapturePeriodTwo

be:GovernmentGrantMaximumPossibleRepaymentAmountRecapturePeriodTwo


Government
Period End2021-03-312020-12-312017-12-31
Value1600000.02000000.02200000.0
Percentage of GovernmentGrantMaximumPossibleRepaymentAmountRecapturePeriodTwo100.0100.0100.0

be:IncomeLossAndTaxBenefitsAllocationHeldByNoncontrollingInterestPercentage dei:LegalEntity

be:IncomeLossAndTaxBenefitsAllocationHeldByNoncontrollingInterestPercentage

be:PowerPurchaseAgreementCompany3a


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value99.099.099.00.990.990.990.990.990.990.990.990.99
Percentage of IncomeLossAndTaxBenefitsAllocationHeldByNoncontrollingInterestPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:PowerPurchaseAgreementCompany4


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value90.090.090.00.90.90.90.90.90.90.90.90.9
Percentage of IncomeLossAndTaxBenefitsAllocationHeldByNoncontrollingInterestPercentage90.990.990.990.990.990.990.990.990.990.990.990.9

be:PowerPurchaseAgreementCompany5


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value99.099.099.00.990.990.990.990.990.990.990.990.99
Percentage of IncomeLossAndTaxBenefitsAllocationHeldByNoncontrollingInterestPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:IncomeLossTaxandCashAllocationHeldByNoncontrollingInterestAfterFlipDatePercentage dei:LegalEntity

be:IncomeLossTaxandCashAllocationHeldByNoncontrollingInterestAfterFlipDatePercentage

be:PowerPurchaseAgreementCompany3a


Income
Period End2021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5.05.05.00.050.050.050.050.050.050.05
Percentage of IncomeLossTaxandCashAllocationHeldByNoncontrollingInterestAfterFlipDatePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:IncreaseInRecourseDebtNonCurrent

be:IncreaseInRecourseDebtNonCurrent


Increase
Period End2020-12-31
Value121
Percentage of IncreaseInRecourseDebtNonCurrent100.0

be:LeaseLiability

be:LeaseLiability


Lease
Period End2021-06-302021-03-312020-12-31
Value867050
Percentage of LeaseLiability100.0100.0100.0

be:LeaseLiabilityCurrent

be:LeaseLiabilityCurrent


Lease
Period End2021-06-302021-03-312020-12-31
Value6134000.07763000.07973000.0
Percentage of LeaseLiabilityCurrent100.0100.0100.0

be:LeaseLiabilityNoncurrent

be:LeaseLiabilityNoncurrent


Lease
Period End2021-06-302021-03-312020-12-31
Value806242
Percentage of LeaseLiabilityNoncurrent100.0100.0100.0

be:LeaseReceivableNoncurrent

be:LeaseReceivableNoncurrent


Lease
Period End2021-06-302020-12-31
Value7517000.06995000.0
Percentage of LeaseReceivableNoncurrent100.0100.0

be:LeasesRightOfUseAsset

be:LeasesRightOfUseAsset


Leases
Period End2021-06-302021-03-312020-12-31
Value725635
Percentage of LeasesRightOfUseAsset100.0100.0100.0

be:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

be:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour


Lessee
Period End2021-06-302021-03-31
Value7350
Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour100.0100.0

be:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-31
Value264
Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour527.4

be:LesseeOperatingLeasesLeaseNotYetCommencedAmount

be:LesseeOperatingLeasesLeaseNotYetCommencedAmount


Lessee
Period End2020-12-31
Value5200000.0
Percentage of LesseeOperatingLeasesLeaseNotYetCommencedAmount100.0

be:LessorOperatingLeasePaymentToBeReceivedAfterYearFour be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:LessorOperatingLeasePaymentToBeReceivedAfterYearFour

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value89
Percentage of LessorOperatingLeasePaymentToBeReceivedAfterYearFour100.0

be:PortfolioFinancing, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value264
Percentage of LessorOperatingLeasePaymentToBeReceivedAfterYearFour293.9

be:LessorOperatingLeasePaymentToBeReceivedAfterYearFour us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-03-31
Value88
Percentage of LessorOperatingLeasePaymentToBeReceivedAfterYearFour0.0

be:LiabilitiesCurrentExcludingLongtermDebtCurrentMaturities

be:LiabilitiesCurrentExcludingLongtermDebtCurrentMaturities


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value250315259277259236266312238249249218251
Percentage of LiabilitiesCurrentExcludingLongtermDebtCurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:LiabilitiesCurrentExcludingLongtermDebtCurrentMaturities us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value235295256274256234250272236246247215247
Percentage of LiabilitiesCurrentExcludingLongtermDebtCurrentMaturities93.993.698.998.999.099.194.287.199.098.899.098.798.5

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value15202.9732.9742.722.053
Percentage of LiabilitiesCurrentExcludingLongtermDebtCurrentMaturities6.16.41.11.11.00.9

be:LiabilitiesNoncurrentExcludingLongtermDebtExcludingRelatedParty

be:LiabilitiesNoncurrentExcludingLongtermDebtExcludingRelatedParty


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value627606601604616617250252271307348544529
Percentage of LiabilitiesNoncurrentExcludingLongtermDebtExcludingRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:LiabilitiesNoncurrentExcludingLongtermDebtExcludingRelatedParty us-gaap:ConsolidatedEntities

srt:ConsolidatedEntityExcludingVariableInterestEntitiesVIE


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value621600577579591599229233255293335531513
Percentage of LiabilitiesNoncurrentExcludingLongtermDebtExcludingRelatedParty99.199.096.095.996.097.291.692.594.195.496.497.697.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.9096.07224242417
Percentage of LiabilitiesNoncurrentExcludingLongtermDebtExcludingRelatedParty0.91.04.04.14.02.8

be:LongTermDebtMaturitiesDueNextQuarter us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:LongTermDebtMaturitiesDueNextQuarter

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleNotesPayable


Long
Period End2020-09-30
Value70
Percentage of LongTermDebtMaturitiesDueNextQuarter100.0

be:LongTermDebtMaturityAfterYearFour

be:LongTermDebtMaturityAfterYearFour


Long
Period End2021-06-302021-03-312020-09-30
Value31383342
Percentage of LongTermDebtMaturityAfterYearFour100.0100.0100.0

be:LongtermPortionofNonRecourseDebtExcludingRelatedPartyCurrentMaturities

be:LongtermPortionofNonRecourseDebtExcludingRelatedPartyCurrentMaturities


Longterm
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
Value11711812014118.678.2737.9837.654191818181717
Percentage of LongtermPortionofNonRecourseDebtExcludingRelatedPartyCurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:LongtermPortionofNonRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities

be:LongtermPortionofNonRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities


Longterm
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
Value9899102213218190192217219284289293298302306
Percentage of LongtermPortionofNonRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:LongtermPortionofNonRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:AccountingStandardsUpdate202006, be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Longterm
Period End2021-01-01
Value121
Percentage of LongtermPortionofNonRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities0.0

us-gaap:AccountingStandardsUpdate202006, be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Longterm
Period End2021-01-01
Value121
Percentage of LongtermPortionofNonRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities0.0

be:LongtermPortionofRecourseDebtExcludingRelatedPartyCurrentMaturities

be:LongtermPortionofRecourseDebtExcludingRelatedPartyCurrentMaturities


Longterm
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2.0211514153041515158.6861.686106.0171.691
Percentage of LongtermPortionofRecourseDebtExcludingRelatedPartyCurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:LongtermPortionofRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities

be:LongtermPortionofRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities


Longterm
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
Value28829016822734739675359362357360358524517509
Percentage of LongtermPortionofRecourseDebtExcludingRelatedPartyExcludingCurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:LongtermPurchaseCommitmentEnergyVolumeInstalled dei:LegalEntity

be:LongtermPurchaseCommitmentEnergyVolumeInstalled

be:PowerPurchaseAgreementCompany3a


Longterm
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value10.010.010.010.010.010.010.010.010.010.010.0010000.010.0
Percentage of LongtermPurchaseCommitmentEnergyVolumeInstalled100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

be:PowerPurchaseAgreementCompany4


Longterm
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value19.019.019.019.019.019.019.019.019.019.019.0019000.019.0
Percentage of LongtermPurchaseCommitmentEnergyVolumeInstalled190.0190.0190.0190.0190.0190.0190.0190.0190.0190.0190.00.0190.0190.0

be:PowerPurchaseAgreementCompany5


Longterm
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value37.037.037.037.037.037.037.037.037.037.037.0037000.037.0
Percentage of LongtermPurchaseCommitmentEnergyVolumeInstalled370.0370.0370.0370.0370.0370.0370.0370.0370.0370.0370.00.0370.0370.0

be:ManagedServicesLiabilitiesCurrent

be:ManagedServicesLiabilitiesCurrent


Managed
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
Value5.6355.902140.5210.3930.3910.4163.2354.9224.6335.0914.5666.4166.5563.678
Percentage of ManagedServicesLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:ManagedServicesLiabilitiesNoncurrent

be:ManagedServicesLiabilitiesNoncurrent


Managed
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value45144044344628292929293031
Percentage of ManagedServicesLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:OperatingLeasesFutureMinimumPaymentsDueAfterYearFourThereafter

be:OperatingLeasesFutureMinimumPaymentsDueAfterYearFourThereafter


Operating
Period End2020-09-30
Value23
Percentage of OperatingLeasesFutureMinimumPaymentsDueAfterYearFourThereafter100.0

be:PrepaidExpenseandOtherAssetsCurrentOther

be:PrepaidExpenseandOtherAssetsCurrentOther


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1415192010131724242732312124
Percentage of PrepaidExpenseandOtherAssetsCurrentOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:PrepaidInsuranceNoncurrent

be:PrepaidInsuranceNoncurrent


Prepaid
Period End2021-06-302020-12-31
Value1011
Percentage of PrepaidInsuranceNoncurrent100.0100.0

be:PrepaidMaintenance

be:PrepaidMaintenance


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value3390000.05304000.05227000.03780000.03158000.03763000.01464000.0
Percentage of PrepaidMaintenance100.0100.0100.0100.0100.0100.0100.0

be:SalesTypeAndDirectFinancingLeasesLeaseReceivableLongTermPortion

be:SalesTypeAndDirectFinancingLeasesLeaseReceivableLongTermPortion


Sales
Period End2021-03-312020-12-31
Value4344
Percentage of SalesTypeAndDirectFinancingLeasesLeaseReceivableLongTermPortion100.0100.0

be:SalesTypeAndDirectFinancingLeasesLeaseReceivableShortTermPortion

be:SalesTypeAndDirectFinancingLeasesLeaseReceivableShortTermPortion


Sales
Period End2021-03-312020-12-31
Value5500000.05400000.0
Percentage of SalesTypeAndDirectFinancingLeasesLeaseReceivableShortTermPortion100.0100.0

be:ShareBasedPaymentArrangementAmountCapitalize

be:ShareBasedPaymentArrangementAmountCapitalize


Share
Period End2021-03-312020-12-312020-03-312019-12-312018-12-31
Value0.85.91.27.313
Percentage of ShareBasedPaymentArrangementAmountCapitalize100.0100.0100.0100.0100.0

be:SharebasedCompensationArrangementbySharebasedPaymentAwardOutstandingIntrinsicValue

be:SharebasedCompensationArrangementbySharebasedPaymentAwardOutstandingIntrinsicValue


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value9610612966266.814140.02.5574.6863.084110315274
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

be:SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestExercisableAggregateIntrinsicValue

be:SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestExercisableAggregateIntrinsicValue


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value3736395.338
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestExercisableAggregateIntrinsicValue100.0100.0100.0100.0

be:SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestOutstandingAggregateIntrinsicValue

be:SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestOutstandingAggregateIntrinsicValue


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value9210112262
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardVestedandExpectedtoVestOutstandingAggregateIntrinsicValue100.0100.0100.0100.0

be:StandardAndExtendedProductWarrantyAccrualCurrent

be:StandardAndExtendedProductWarrantyAccrualCurrent


Standard
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
Value7.6975.958109.8071011101512161917141616
Percentage of StandardAndExtendedProductWarrantyAccrualCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

be:StandardProductPerformanceAccrual

be:StandardProductPerformanceAccrual


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6492000.04347000.08605000.06749000.06275000.06940000.07536000.06290000.0
Percentage of StandardProductPerformanceAccrual100.0100.0100.0100.0100.0100.0100.0100.0

be:StandardProductWarrantyAccrualExcludingProductPerformance

be:StandardProductWarrantyAccrualExcludingProductPerformance


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1127000.01469000.01549000.02951000.03156000.02566000.02345000.03378000.0
Percentage of StandardProductWarrantyAccrualExcludingProductPerformance100.0100.0100.0100.0100.0100.0100.0100.0

be:UnrecognizedTaxBenefitsThatWouldImpactValuationAllowance

be:UnrecognizedTaxBenefitsThatWouldImpactValuationAllowance


Unrecognized
Period End2020-12-31
Value34
Percentage of UnrecognizedTaxBenefitsThatWouldImpactValuationAllowance100.0

dei:EntityCommonStockSharesOutstanding us-gaap:StatementClassOfStock

dei:EntityCommonStockSharesOutstanding

us-gaap:CommonClassA


Entity
Period End2020-07-302020-04-302020-03-162019-11-042019-08-052019-04-302019-02-282018-11-022018-08-31
Value1039390756960582020
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonClassB


Entity
Period End2020-07-302020-04-302020-03-162019-11-042019-08-052019-04-302019-02-282018-11-022018-08-31
Value293134424653548888
Percentage of EntityCommonStockSharesOutstanding28.533.238.656.166.289.293.1424.4425.6

us-gaap:AccountsPayableOtherCurrent

us-gaap:AccountsPayableOtherCurrent


Accounts
Period End2020-09-302020-06-302020-03-312019-12-31
Value25262418
Percentage of AccountsPayableOtherCurrent100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedParties us-gaap:CounterpartyName

us-gaap:AccountsReceivableRelatedParties

be:SKEngineeringConstructionCoLtd


Accounts
Period End2021-06-30
Value3600000.0
Percentage of AccountsReceivableRelatedParties100.0

us-gaap:AccountsReceivableRelatedParties us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

be:SoftbankCorp., us-gaap:EquityMethodInvestee


Accounts
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value400000.02400000.0100000.0400000.02400000.0300000.09800.02700000.03300000.0
Percentage of AccountsReceivableRelatedParties0.00.00.00.00.00.00.00.00.0

us-gaap:AreaOfRealEstateProperty

us-gaap:AreaOfRealEstateProperty


Area
Period End2021-06-302021-03-312020-12-31
Value534890.0534890.0370600.0
Percentage of AreaOfRealEstateProperty100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value158150235438236271276126202217248365107106
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value158150235438236271276126202217248364107106
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.699.2100.0

us-gaap:CapitalLeaseObligations

us-gaap:CapitalLeaseObligations


Capital
Period End2020-09-30
Value121
Percentage of CapitalLeaseObligations100.0

us-gaap:CapitalLeaseObligationsCurrent

us-gaap:CapitalLeaseObligationsCurrent


Capital
Period End2020-09-30
Value12
Percentage of CapitalLeaseObligationsCurrent100.0

us-gaap:CapitalLeaseObligationsNoncurrent

us-gaap:CapitalLeaseObligationsNoncurrent


Capital
Period End2020-09-30
Value109
Percentage of CapitalLeaseObligationsNoncurrent100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDue

us-gaap:CapitalLeasesFutureMinimumPaymentsDue


Capital
Period End2020-09-30
Value294
Percentage of CapitalLeasesFutureMinimumPaymentsDue100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent

us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent


Capital
Period End2020-09-30
Value39
Percentage of CapitalLeasesFutureMinimumPaymentsDueCurrent100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInFourYears


Capital
Period End2020-09-30
Value39
Percentage of CapitalLeasesFutureMinimumPaymentsDueInFourYears100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears


Capital
Period End2020-09-30
Value41
Percentage of CapitalLeasesFutureMinimumPaymentsDueInThreeYears100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears


Capital
Period End2020-09-30
Value40
Percentage of CapitalLeasesFutureMinimumPaymentsDueInTwoYears100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments

us-gaap:CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments


Capital
Period End2020-09-30
Value172
Percentage of CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivable

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivable


Capital
Period End2020-09-30
Value294
Percentage of CapitalLeasesFutureMinimumPaymentsReceivable100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableCurrent

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableCurrent


Capital
Period End2020-09-30
Value39
Percentage of CapitalLeasesFutureMinimumPaymentsReceivableCurrent100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter


Capital
Period End2020-09-30
Value122
Percentage of CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInFourYears

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInFourYears


Capital
Period End2020-09-30
Value39
Percentage of CapitalLeasesFutureMinimumPaymentsReceivableInFourYears100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears


Capital
Period End2020-09-30
Value41
Percentage of CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears


Capital
Period End2020-09-30
Value40
Percentage of CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear

us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear


Capital
Period End2020-09-30
Value9843000.0
Percentage of CapitalLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear

us-gaap:CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear


Capital
Period End2020-09-30
Value9843000.0
Percentage of CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear100.0

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesCurrent

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesCurrent


Capital
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5515000.05428000.05341000.05254000.05170000.05108000.05919000.05817000.05717000.05594000.05496000.05398000.05303000.05209000.0
Percentage of CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Capital
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5515000.05428000.05341000.05254000.05170000.05108000.0
Percentage of CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesCurrent100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesNoncurrent

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesNoncurrent


Capital
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4345464849506264656768697172
Percentage of CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Capital
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value434546484950
Percentage of CapitalLeasesLessorBalanceSheetNetInvestmentInSalesTypeLeasesNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeases

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeases


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5253545568697172747577
Percentage of CapitalLeasesNetInvestmentInSalesTypeLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesDeferredIncome

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesDeferredIncome


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1680000.01781000.01885000.01990000.03465000.03643000.03824000.04011000.04197000.04388000.04781000.0
Percentage of CapitalLeasesNetInvestmentInSalesTypeLeasesDeferredIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesExecutoryCosts

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesExecutoryCosts


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1818191923232425252627
Percentage of CapitalLeasesNetInvestmentInSalesTypeLeasesExecutoryCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value71737476949698100103105109
Percentage of CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesUnguaranteedResidualValuesOfLeasedProperty

us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesUnguaranteedResidualValuesOfLeasedProperty


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value890000.0890000.0890000.0890000.01051000.01051000.01051000.01051000.01051000.01050000.01051000.0
Percentage of CapitalLeasesNetInvestmentInSalesTypeLeasesUnguaranteedResidualValuesOfLeasedProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNet

us-gaap:CapitalizedContractCostNet


Capitalized
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6744000.06732000.06524000.06143000.05668000.05007000.0
Percentage of CapitalizedContractCostNet100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNetNoncurrent

us-gaap:CapitalizedContractCostNetNoncurrent


Capitalized
Period End2021-06-302020-12-31
Value7022000.06732000.0
Percentage of CapitalizedContractCostNetNoncurrent100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1581502354382362712761262022171433609179
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FinancialInstrument

us-gaap:MoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1581502354382362712761262022171433609179
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 us-gaap:ClassOfWarrantOrRight

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

be:CommonStockWarrantExercisePriceOf2778


Class
Period End2020-12-31
Value27.78
Percentage of ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1100.0

be:CommonStockWarrantExercisePriceOf3864


Class
Period End2020-12-31
Value38.64
Percentage of ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1139.1

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 us-gaap:ClassOfWarrantOrRight, us-gaap:StatementClassOfStock

be:PreferredStockWarrant, us-gaap:CommonClassB


Class
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value27.7827.7827.7827.7827.7827.7827.7838.64
Percentage of ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights10.00.00.00.00.00.00.00.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-31
Value185.03.327
Percentage of ContractWithCustomerAssetNet100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetCurrent


Contract
Period End2021-06-302020-12-31
Value183.327
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value116153201199217219214177
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerReceivableAfterAllowanceForCreditLoss

us-gaap:ContractWithCustomerReceivableAfterAllowanceForCreditLoss


Contract
Period End2021-06-302020-12-31
Value5496
Percentage of ContractWithCustomerReceivableAfterAllowanceForCreditLoss100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value51952252770764068065869170178078679210161008
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

be:PowerPurchaseAgreementCompany3a, be:ConvertiblePromissoryNotesInterestRate6DueDecember2020Recourse, us-gaap:ConvertibleNotesPayable, srt:AffiliatedEntity


Debt
Period End2020-12-31
Value20
Percentage of DebtInstrumentCarryingAmount3.9

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

be:NotesdueJuly2024Recourse, us-gaap:NotesPayableOtherPayables


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7986869393100100100100100100
Percentage of DebtInstrumentCarryingAmount11.213.412.614.113.414.312.812.712.69.89.9

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value75767778798080818283
Percentage of DebtInstrumentCarryingAmount14.614.714.811.112.411.812.311.811.710.6

be:TermLoanDueDecember2021NonRecourse, us-gaap:SecuredDebt


Debt
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
Value110111114117119120121122123124125128
Percentage of DebtInstrumentCarryingAmount21.321.421.816.718.617.718.517.717.616.016.012.7

be:TermLoanDueNovember2020Recourse, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2860.7141.1431.5712.02.4292.93.2863.6314.055.0
Percentage of DebtInstrumentCarryingAmount0.00.10.20.20.30.30.40.40.50.40.5

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt


Debt
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
Value323334353536383839394041
Percentage of DebtInstrumentCarryingAmount6.36.46.55.05.65.35.85.65.65.15.24.2

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleDebt, srt:AffiliatedEntity


Debt
Period End2020-10-312020-09-30
Value9696
Percentage of DebtInstrumentCarryingAmount0.013.6

be:TermLoanDueSeptember2028NonRecourse, us-gaap:SecuredDebt, srt:AffiliatedEntity


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value38363838393940
Percentage of DebtInstrumentCarryingAmount7.35.35.85.65.65.15.2

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleDebt, srt:AffiliatedEntity, us-gaap:SubsequentEvent


Debt
Period End2020-10-07
Value96
Percentage of DebtInstrumentCarryingAmount0.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

be:NonRecourseDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value219222227231234237241267269348353358363372
Percentage of DebtInstrumentCarryingAmount42.242.543.132.836.634.936.638.638.444.645.045.235.836.9

be:RecourseDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value300300300475406443416424431432432434652635
Percentage of DebtInstrumentCarryingAmount57.857.556.967.263.465.163.461.461.655.455.054.864.263.1

us-gaap:DebtInstrumentCarryingAmount us-gaap:RelatedPartyTransactionsByRelatedParty

srt:AffiliatedEntity


Debt
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5950875966676768
Percentage of DebtInstrumentCarryingAmount11.27.912.89.09.69.68.68.7

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-08-31
Value133
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent100.0

us-gaap:DebtInstrumentConvertibleConversionPrice1 us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DebtInstrumentConvertibleConversionPrice1

be:ConvertiblePromissoryConstellationNotesInterestRate10DueDecember2021, us-gaap:ConvertibleNotesPayable, srt:AffiliatedEntity


Debt
Period End2020-09-302020-06-302020-06-182020-04-012020-03-312020-03-30
Value8.08.08.08.08.038.64
Percentage of DebtInstrumentConvertibleConversionPrice1100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentConvertibleConversionPrice1 us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:StatementClassOfStock

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes, us-gaap:CommonClassA


Debt
Period End2020-08-31
Value16.21
Percentage of DebtInstrumentConvertibleConversionPrice10.0

us-gaap:DebtInstrumentFairValue us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFairValue

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8685898989788785
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

be:ConvertiblePromissoryConstellationNotesInterestRate10DueDecember2021, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:ConvertibleNotesPayable


Debt
Period End2020-09-302020-06-302019-12-31
Value99263273
Percentage of DebtInstrumentFairValue111.6295.9312.0

be:ConvertiblePromissoryConstellationNotesInterestRate10DueDecember2021, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:ConvertibleNotesPayable


Debt
Period End2020-09-302020-06-302019-12-31
Value234411302
Percentage of DebtInstrumentFairValue263.6462.1344.7

be:GreenConvertibleSeniorNotes, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value2212219998
Percentage of DebtInstrumentFairValue256.8257.9110.9110.3

be:GreenConvertibleSeniorNotes, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value411400426293
Percentage of DebtInstrumentFairValue476.4466.0475.4329.1

be:NotesdueJuly2024Recourse, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:NotesPayableOtherPayables


Debt
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value76838989969695959594
Percentage of DebtInstrumentFairValue86.293.8102.70.00.00.0111.20.00.00.0

be:NotesdueJuly2024Recourse, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:NotesPayableOtherPayables


Debt
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value71839794969999102101106
Percentage of DebtInstrumentFairValue80.194.3111.30.00.00.0115.50.00.00.0

be:SeniorSecuredNotesDueMarch2027Recourse, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:NotesPayableOtherPayables


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value66686868680.0
Percentage of DebtInstrumentFairValue77.380.076.576.976.90.0

be:SeniorSecuredNotesDueMarch2027Recourse, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:NotesPayableOtherPayables


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value74707159630.0
Percentage of DebtInstrumentFairValue86.482.680.167.171.50.0

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value75767777788080818182828384
Percentage of DebtInstrumentFairValue87.088.785.987.488.291.30.00.00.095.80.00.00.0

be:SeniorSecuredNotesDueMarch2030NonRecourse, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Debt
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value898788908885888893
Percentage of DebtInstrumentFairValue100.0100.00.00.00.0100.00.00.00.0

be:TermLoanDueDecember2021NonRecourse, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value110111114117118120121121122123123124125
Percentage of DebtInstrumentFairValue127.6129.8127.3131.5133.1137.50.00.00.0143.60.00.00.0

be:TermLoanDueDecember2021NonRecourse, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value111113116117117120121123125123130130131
Percentage of DebtInstrumentFairValue128.8131.8129.5131.9132.4137.50.00.00.0143.20.00.00.0

be:TermLoanDueNovember2020Recourse, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2780.6971.5361.9562.3762.7953.2143.6314.054.888
Percentage of DebtInstrumentFairValue0.30.81.80.00.00.03.70.00.00.0

be:TermLoanDueNovember2020Recourse, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2870.7131.592.0162.4582.9143.3114.2654.2655.148
Percentage of DebtInstrumentFairValue0.30.81.80.00.00.03.90.00.00.0

be:TermLoanDueSeptember2028NonRecourse, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value30303132323435353536363636
Percentage of DebtInstrumentFairValue35.136.035.436.736.739.90.00.00.042.30.00.00.0

be:TermLoanDueSeptember2028NonRecourse, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value37373736374141414139424446
Percentage of DebtInstrumentFairValue43.143.242.041.242.346.90.00.00.046.40.00.00.0

us-gaap:DebtInstrumentRepurchaseAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentRepurchaseAmount

be:ConvertiblePromissoryNotesInterestRate10DueDecember2021, us-gaap:ConvertibleDebt, srt:AffiliatedEntity, us-gaap:SubsequentEvent


Debt
Period End2020-10-08
Value82
Percentage of DebtInstrumentRepurchaseAmount100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-08-31
Value6.9
Percentage of DebtInstrumentUnamortizedDiscount100.0

us-gaap:DebtInstrumentUnamortizedPremium us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedPremium

be:NotesdueJuly2024Recourse, us-gaap:NotesPayableOtherPayables


Debt
Period End2020-12-31
Value3.2
Percentage of DebtInstrumentUnamortizedPremium100.0

us-gaap:DebtInstrumentUnamortizedPremium us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Debt
Period End2020-10-07
Value3.2
Percentage of DebtInstrumentUnamortizedPremium0.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtWeightedAverageInterestRate

be:TermLoanDueNovember2020Recourse, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4.20.0450.0570.0630.0640.0650.0650.0590.051
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCosts

us-gaap:DeferredCosts


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2.6833.0292.4623.1046.4214.9396.6655759721021391480.053160
Percentage of DeferredCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsCurrent

us-gaap:DeferredCostsCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value365541596879585086666266554392
Percentage of DeferredCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNet

be:GreenConvertibleSeniorNotes, us-gaap:SeniorNotes


Deferred
Period End2020-08-31
Value9900000.0
Percentage of DeferredFinanceCostsNet100.0

be:NotesdueJuly2024Recourse, us-gaap:NotesPayableOtherPayables


Deferred
Period End2020-12-31
Value2000000.0
Percentage of DeferredFinanceCostsNet0.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value134893038
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value750723597581
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DomesticCountry


Deferred
Period End2020-12-31
Value224
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DomesticCountry


Deferred
Period End2020-12-31
Value1700
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value25242416
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value35616218
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value276.6881727
Percentage of DeferredTaxAssetsTaxDeferredExpenseOther100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value155.8741417
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesInvestments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value10132125
Percentage of DeferredTaxLiabilitiesInvestments100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value216562
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-31
Value1413000.05803000.06817000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0

us-gaap:DepositsAssetsNoncurrent

us-gaap:DepositsAssetsNoncurrent


Deposits
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1741000.01709000.01895000.01865000.01897000.01759000.01757000.01776000.01773000.01660000.01702000.01313000.01000000.0
Percentage of DepositsAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:EnergyRelatedDerivative, us-gaap:FairValueInputsLevel3


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value2574000.03245000.05185000.06503000.06968000.0
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilities

be:DerivativeLiabilities, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1515158.459108.4535.6113.6261.8262.5285.06
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCurrentLiabilities, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1211152.0752.0981.9430.7820.8940.7060.1080.0040.0190.1550.845
Percentage of DerivativeLiabilities0.00.00.013.713.312.69.28.48.41.90.11.06.116.7

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:EnergyRelatedDerivative, us-gaap:Nondesignated


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.5743.2455.1856.5036.9688.4658.7698.7969.729111315
Percentage of DerivativeLiabilities0.021.432.942.082.479.5103.7156.8268.3626.8519.3303.7

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value151717179.241119.1595.7193.631.8452.6835.905
Percentage of DerivativeLiabilities0.0113.7113.3112.6109.2108.4108.4101.9100.1101.0106.1116.7

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:ForwardContracts


Derivative
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2261.650.00.00.00.00.00.00.00.00.00.0
Percentage of DerivativeLiabilities0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1211151717179.241119.1585.7193.631.8452.7475.904
Percentage of DerivativeLiabilities0.00.00.0113.7113.3112.6109.2108.4108.3101.9100.1101.0108.7116.7

us-gaap:FairValueInputsLevel3, us-gaap:EmbeddedDerivativeFinancialInstruments


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-06-302017-12-31
Value7.0026.065.5413.9755.485.8926.1764.015176140
Percentage of DerivativeLiabilities0.00.00.026.234.738.173.0110.76989.22782.0

us-gaap:FairValueInputsLevel3, us-gaap:ForwardContracts


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.5743.2455.1856.5036.9688.4658.7698.7969.729111315
Percentage of DerivativeLiabilities0.021.432.942.082.479.5103.7156.8268.3626.8519.3303.7

us-gaap:DerivativeLiabilities us-gaap:FinancialInstrument

us-gaap:EmbeddedDerivativeFinancialInstruments


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-06-302017-12-31
Value7.0026.065.5413.9755.485.8926.1764.015176140
Percentage of DerivativeLiabilities0.00.00.026.234.738.173.0110.76989.22782.0

us-gaap:ForwardContracts


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.2261.652.5743.2455.1856.5036.9688.4658.7698.7969.729111315
Percentage of DerivativeLiabilities0.00.00.021.432.942.082.479.5103.7156.8268.3626.8519.3303.7

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1211151717179.241119.1585.7193.631.8452.7475.904
Percentage of DerivativeLiabilities0.00.00.0113.7113.3112.6109.2108.4108.3101.9100.1101.0108.7116.7

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1313194.9496.2656.4344.8345.3664.8483.3493.2323.8494.2965.492
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:DerivativeLiabilitiesNoncurrent


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4.98919222317141311109.441188168156
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Derivative
Period End2020-09-302020-06-302020-03-312019-12-31
Value1515158.459
Percentage of DerivativeLiabilitiesNoncurrent77.870.866.248.2

us-gaap:DerivativeLiabilityMeasurementInput us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:DerivativeLiabilityMeasurementInput

srt:Maximum, us-gaap:EnergyRelatedDerivative, us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputCommodityForwardPrice, us-gaap:ValuationTechniqueDiscountedCashFlow


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.035.54.624.615.65
Percentage of DerivativeLiabilityMeasurementInput100.0100.0100.0100.0100.0

srt:Minimum, us-gaap:EnergyRelatedDerivative, us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputCommodityForwardPrice, us-gaap:ValuationTechniqueDiscountedCashFlow


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.822.862.251.692.39
Percentage of DerivativeLiabilityMeasurementInput56.152.048.736.742.3

srt:WeightedAverage, us-gaap:EnergyRelatedDerivative, us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputCommodityForwardPrice, us-gaap:ValuationTechniqueDiscountedCashFlow


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.673.853.072.883.23
Percentage of DerivativeLiabilityMeasurementInput73.070.066.562.557.2

us-gaap:DerivativeNotionalAmount dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeNotionalAmount

be:PPACompanyV, us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value180180181182183183184186188
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromRelatedPartiesCurrent

us-gaap:DueFromRelatedPartiesCurrent


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5584000.05251000.05160000.05413000.06089000.06653000.06130000.05922000.0
Percentage of DueFromRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability

us-gaap:EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability


Embedded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value7.06.05.54.05.55.96.24.04.2
Percentage of EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmbeddedDerivativeLiabilityMeasurementInput us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:EmbeddedDerivativeLiabilityMeasurementInput

us-gaap:MeasurementInputLongTermRevenueGrowthRate, us-gaap:ValuationTechniqueOptionPricingModel


Embedded
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.07.07.00.070.070.07
Percentage of EmbeddedDerivativeLiabilityMeasurementInput100.0100.0100.0100.0100.0100.0

us-gaap:MeasurementInputPriceVolatility, us-gaap:ValuationTechniqueOptionPricingModel


Embedded
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value20.020.020.00.20.20.2
Percentage of EmbeddedDerivativeLiabilityMeasurementInput285.7285.7285.7285.7285.7285.7

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3023281822171719181816171313
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

be:RestrictedStockUnitsAndPerformanceStockUnits


Employee
Period End2021-06-30
Value30
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.881.9542.042.1195.8975.7335.8346.0266.2926.0465.3664.5065.014
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExtendedProductWarrantyAccrual

us-gaap:ExtendedProductWarrantyAccrual


Extended
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value78000.0142000.0109000.0107000.0744000.01508000.0453000.03904000.02585000.07553000.08301000.08210000.05906000.09150000.0
Percentage of ExtendedProductWarrantyAccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7.0026.068.1157.221012138.4658.7698.7969.72911165172165147
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue us-gaap:FinancialInstrument

us-gaap:EmbeddedDerivativeFinancialInstruments


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7.0026.065.5413.9755.485.8926.1760.00.00.00.00.0150150140115
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.068.355.151.447.547.00.00.00.00.00.090.787.484.878.6

us-gaap:EnergyRelatedDerivative


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2.5743.2455.1856.5036.9688.4658.7698.7969.7291113151518
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue31.744.948.652.553.0100.0100.0100.0100.0100.07.98.89.312.6

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-31
Value2.6371.7270.341
Percentage of FinanceLeaseLiability100.0100.0100.0

us-gaap:FinanceLeaseLiability be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value115
Percentage of FinanceLeaseLiability4379.7

us-gaap:FinanceLeaseLiability us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value117119
Percentage of FinanceLeaseLiability6816.934976.5

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-31
Value0.7590.5440.074
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value13
Percentage of FinanceLeaseLiabilityCurrent1820.6

us-gaap:FinanceLeaseLiabilityCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value1312
Percentage of FinanceLeaseLiabilityCurrent2450.417223.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-31
Value1.8781.1840.267
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value101
Percentage of FinanceLeaseLiabilityNoncurrent5414.1

us-gaap:FinanceLeaseLiabilityNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value104106
Percentage of FinanceLeaseLiabilityNoncurrent8817.339897.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2021-06-302021-03-312020-12-31
Value3.0241.980.392
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value277
Percentage of FinanceLeaseLiabilityPaymentsDue9167.9

us-gaap:FinanceLeaseLiabilityPaymentsDue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value285292
Percentage of FinanceLeaseLiabilityPaymentsDue14417.974523.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2020-12-31
Value87
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2021-06-302021-03-312020-12-31
Value0.7570.4810.095
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value42
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths5581.5

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value4240
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths8745.742725.3

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value0.028
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2020-12-31
Value39
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive140639.3

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2021-06-302021-03-312020-12-31
Value0.290.1040.084
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value40
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour13812.4

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value3940
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour38326.048129.8

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2021-06-302021-03-312020-12-31
Value0.5940.3630.09
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value41
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree6918.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value4042
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree11267.547251.1

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2021-06-302021-03-312020-12-31
Value0.7530.4760.095
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value43
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo5736.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value4341
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo9034.543772.6

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear


Finance
Period End2021-06-302021-03-31
Value0.5550.538
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value20
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear3740.5

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-31
Value30
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear5743.7

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2021-06-302021-03-312020-12-31
Value0.3870.2530.051
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount be:LeaseArrangement, us-gaap:ConsolidatedEntities

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-06-30
Value161
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount41793.8

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finance
Period End2021-03-312020-12-31
Value167172
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount66303.2338941.2

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-31
Value2532000.01685000.0334000.0
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears


Future
Period End2020-09-302019-12-31
Value6567000.06155000.0
Percentage of FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears100.0100.0

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear


Future
Period End2020-09-302019-12-31
Value5428000.05108000.0
Percentage of FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear100.0100.0

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinThreeYears

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinThreeYears


Future
Period End2020-09-302019-12-31
Value6155000.05784000.0
Percentage of FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinThreeYears100.0100.0

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinTwoYears

us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinTwoYears


Future
Period End2020-09-302019-12-31
Value5784000.05428000.0
Percentage of FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinTwoYears100.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2156000.0719000.02224000.02841000.05664000.02880000.03875000.03520000.06136000.03631000.04675000.02169000.04671000.05520000.0
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4041332516292058334956545920
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7778797770596756424253524949
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryValuationReserves

us-gaap:InventoryValuationReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302017-12-31
Value14141414141413121415
Percentage of InventoryValuationReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4533292825182125282322272619
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-31
Value121111
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-312020-12-31
Value4443
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths388.3379.1

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-31
Value6.92610
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessee
Period End2021-03-31
Value32
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear316.3

us-gaap:LessorOperatingLeasePaymentsToBeReceived be:LeaseArrangement, us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceived

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value277
Percentage of LessorOperatingLeasePaymentsToBeReceived100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceived us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-03-312020-12-31
Value285292
Percentage of LessorOperatingLeasePaymentsToBeReceived0.00.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2020-12-31
Value39
Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears be:LeaseArrangement, us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value40
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears100.0

be:PortfolioFinancing, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value47
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears118.9

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-03-312020-12-31
Value3940
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears0.00.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths be:LeaseArrangement, us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value42
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths100.0

be:PortfolioFinancing, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value44
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths104.7

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-03-312020-12-31
Value4240
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths0.00.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear be:LeaseArrangement, us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value20
Percentage of LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear100.0

be:PortfolioFinancing, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value21
Percentage of LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear105.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-03-31
Value30
Percentage of LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear0.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2020-12-31
Value87
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears be:LeaseArrangement, us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value41
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears100.0

be:PortfolioFinancing, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value46
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears113.4

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-03-312020-12-31
Value4042
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears0.00.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears be:LeaseArrangement, us-gaap:ConsolidatedEntities

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

be:ManagedServices, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value43
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears100.0

be:PortfolioFinancing, us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-06-30
Value45
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears105.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Lessor
Period End2021-03-312020-12-31
Value4341
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears0.00.0

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:LiabilitiesFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value191924242930232019161413194171
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1212151717179.241119.1585.7193.631.8452.7475.904
Percentage of LiabilitiesFairValueDisclosure64.868.166.370.559.657.139.556.546.835.224.713.91.43.4

us-gaap:FairValueInputsLevel3


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7.0026.068.1157.221012138.4658.7698.7969.72911192165
Percentage of LiabilitiesFairValueDisclosure35.231.933.729.535.640.656.241.444.854.266.286.198.696.6

us-gaap:LineOfCredit dei:LegalEntity, us-gaap:CreditFacility

us-gaap:LineOfCredit

be:PowerPurchaseAgreementCompany5, us-gaap:LetterOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5400000.05400000.05200000.05200000.05200000.05000000.05000000.05000000.05000000.05000000.05000000.04700000.04600000.04400000.0
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity dei:LegalEntity, us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

be:PowerPurchaseAgreementCompany5, us-gaap:LetterOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302017-02-282015-06-30
Value6.26.26.26.26.26.4
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.7590.7590.9680.9680.9681.221.221.221.221.221.221.5041.5041.784
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity dei:LegalEntity, us-gaap:CreditFacility

be:PowerPurchaseAgreementCompany5, us-gaap:LetterOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.80.81.01.01.01.21.21.21.21.21.21.5041.51.784
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity105.4105.4103.3103.3103.398.498.498.498.498.498.4100.099.7100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LetterOfCredit, be:LetterofCreditdueDecember2021NonRecourse


Line
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
Value0.7590.7590.9680.9680.9681.221.221.221.221.221.221.784
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:LongtermDebtType

be:NonRecourseDebt


Line
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
Value0.7590.7590.9680.9680.9681.221.221.221.221.221.221.784
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value84
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value1616121138
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value258
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value282582449
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value24242242
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value22221634
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear


Long
Period End2021-06-302021-03-312020-09-30
Value114117100
Percentage of Long