BLUE


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
us-gaap:AwardType, us-gaap:PlanName
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ResearchAndDevelopmentExpense
us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:CounterpartyName, us-gaap:ProductOrService
us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement
us-gaap:ProductOrService

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:MarketableSecuritiesCurrent

us-gaap:InventoryNet

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:SubsequentEventType

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:StatementGeographical
blue:AreaOfLeasedSpace
us-gaap:CounterpartyName
blue:ContractWithCustomerAssetAdditions
us-gaap:CounterpartyName
blue:ContractWithCustomerAssetDeductions
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
blue:ContractWithCustomerDevelopmentMilestonePaymentAchieved
us-gaap:CounterpartyName
blue:ContractWithCustomerLiabilityAdditions
us-gaap:CounterpartyName
blue:ContractWithCustomerLiabilityDeductions
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
blue:ContractWithCustomerOptionFeeReceived

blue:IncomeLossFromCollaborativeArrangements
us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:TypeOfArrangement

blue:IncreaseDecreaseInCollaborationResearchAdvancement

blue:IncreaseDecreaseInOperatingLeaseLiabilities

blue:LesseeIncreaseDecreaseInOperatingLeaseRightOfUseAsset
us-gaap:PropertyPlantAndEquipmentByType
blue:LesseeOperatingLeaseAnnualExpense
us-gaap:StatementEquityComponents
blue:StockIssuedDuringPeriodSharesVestingOfRestrictedStockUnits
us-gaap:StatementEquityComponents
blue:StockIssuedDuringPeriodValueVestingOfRestrictedStockUnits
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
blue:UpfrontNonRefundableFees

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueModificationOfContract
us-gaap:CounterpartyName, us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:StatementScenario, us-gaap:RetirementPlanType
us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount

us-gaap:DepreciationAndAmortization
us-gaap:PlanName
us-gaap:EmployeeBenefitsAndShareBasedCompensation

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
us-gaap:Range, us-gaap:IncomeStatementLocation

us-gaap:EquitySecuritiesFvNiGainLoss
us-gaap:IncomeStatementLocation
us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability
us-gaap:CounterpartyName
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
us-gaap:SubsequentEventType

us-gaap:ProceedsFromSaleOfEquitySecuritiesFvNi

us-gaap:ProceedsFromStockPlans

us-gaap:RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod
us-gaap:SubsequentEventType
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:StockIssued1
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:Range
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

blue:AccruedClinicalAndContractResearchOrganizationCostsCurrent

blue:AccruedCollaborationResearchCostsCurrent

blue:AccruedLicenseAndMilestoneFees

blue:AccruedManufacturingCostsCurrent

blue:AccruedPropertyPlantAndEquipmentCurrent

blue:CollaborationResearchAdvancementCurrent

blue:CollaborationResearchAdvancementNonCurrent
us-gaap:CounterpartyName
blue:CollaborativeArrangementEstimatedVariableConsideration
us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName
blue:CollaborativeArrangementTransactionPrice
us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
blue:ContractWithCustomerDevelopmentMilestonePaymentReceivable
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
blue:ContractWithCustomerMilestoneAndRoyaltyObligationBuyOut
us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:TypeOfArrangement
blue:ContractWithCustomerOptionFeeReceivableUponNonExerciseOfOption

blue:DeferredTaxAssetsCapitalizedLicenseFeeAndResearchAndDevelopmentExpenses

blue:DeferredTaxAssetsLeaseLiabilities

blue:DeferredTaxAssetsStockBasedCompensation

blue:EquitySecuritiesUnrealizedLoss
us-gaap:CounterpartyName
blue:JointResearchActivitiesRemainingToBeRecognized
us-gaap:PropertyPlantAndEquipmentByType
blue:LesseeOperatingLeaseMaximumPotentialAnnualMaintenanceFees

blue:MarketableSecuritiesAmortizedCost

blue:MarketableSecuritiesUnrealizedGains

blue:MarketableSecuritiesUnrealizedLoss

blue:OperatingLossCarryforwardsWithExpirationDates

blue:OperatingLossCarryforwardsWithoutExpirationDates

blue:ReceivablesAndOtherCurrentAssets
us-gaap:AwardType
blue:ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInSharesAuthorized

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedProfessionalFeesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentType
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:InvestmentType
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:InvestmentType
us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
us-gaap:AwardType
us-gaap:PlanName
us-gaap:CounterpartyName
us-gaap:ContractWithCustomerAssetNet
us-gaap:CounterpartyName
us-gaap:ContractWithCustomerLiability
us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:EquitySecuritiesFvNiCost

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestReceivable

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InvestmentsAndCash

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:MarketableSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:MarketableSecuritiesNoncurrent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:PrepaidExpenseCurrent

us-gaap:PurchaseObligation

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:PurchaseObligationDueInSecondYear

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:CreditFacility
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedCashNoncurrent
us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement
us-gaap:RevenueRemainingPerformanceObligation
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:Range, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Goodwill
Assets
Inventory Net
Current Assets
Inventory Net
NonCurrent Assets
Goodwill
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Contract With Customer Liability Current
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Property Plant And Equipment
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Next Twelve Months
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Finished Goods Net Of Reserves

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:CommonStockValue ██▇▇▇▁▁▁▁▁0.6760.6750.6650.6630.6620.5560.5540.5530.5530.551
us-gaap:CommonStockSharesIssued ██▇▇▇▁▁▁▁▁67.55167.42266.466.33966.19655.6255.36855.3255.22855.069
us-gaap:CommonStockSharesOutstanding ██▇▇▇▁▁▁▁▁67.55167.42266.466.33966.19655.6255.36855.3255.22855.069
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NA66.976NA66.25160.38455.59NA55.29255.16554.957
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█8.719.415NA8.1678.3828.063NA6.6166.5116.527
us-gaap:EarningsPerShareBasic -3.58NANANA-0.36NANANANANA
us-gaap:EarningsPerShareDiluted -3.58NANANA-0.36NANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NA-3.07-3.01-2.94-0.36-3.64-4.04-3.73-3.55-2.99
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▁▄▂▃▆▃▂▃█▁31.142.533.038.848.536.334.638.555.132.341
us-gaap:ComprehensiveIncomeNetOfTax ▁▂▂▂█▂▂▂▂▄-242.03-205.752-201.156-196.568-21.066-203.517-222.389-208.065-194.809-162.611
us-gaap:CostOfGoodsAndServicesSold █▂▂▁▂▁▁▁▁▁15.3012.2811.4991.3181.5541.0251.0730.8620.6130.43
us-gaap:CostsAndExpenses ██▄▄▅▆▇▅▅▁248.31244.002214.69208.967224.835225.288240.531219.326215.998183.645
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▂▂▂█▂▂▂▂▃-241.486-205.742-199.621-194.416-21.455-202.517-223.144-206.297-196.251-164.461
us-gaap:IncomeTaxExpenseBenefit ▇▆▇█▅▆▇▃▁▅0.2160.0660.2530.3290.010.0940.203-0.264-0.469-0.015
us-gaap:InterestIncomeExpenseNonoperatingNet ▁▁▂▂▃▅▆▇▇█0.4390.711.2811.9642.9395.3556.8558.4179.38710.102
us-gaap:NetIncomeLoss ▁▂▂▂█▂▂▂▂▃-241.702-205.808-199.874-194.745-21.465-202.611-223.347-206.033-195.782-164.446
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-241.702-205.808NA-194.745-21.465-202.611NA-206.033-195.782-164.446
us-gaap:OperatingIncomeLoss ▁▁▂▃█▂▁▂▂▃-240.838-231.208-203.982-189.694-25.945-203.425-230.534-210.416-202.702-171.174
us-gaap:OtherNonoperatingIncomeExpense ▂█▃▁▃▁▃▂▂▂-1.08724.7563.08-6.6861.551-4.4470.535-4.298-2.936-3.389
us-gaap:ResearchAndDevelopmentExpense ▅▇▄▄▇▇█▆▅▁144.315154.478137.094140.431156.308154.123161.821151.412146.54122.64
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▁▁█▂▁▁▁▁7.47212.79410.70819.273198.8921.8639.9978.9113.29612.471
us-gaap:Revenues ▁▁▁▁█▂▁▁▁▁7.47212.79410.70819.273198.8921.8639.9978.9113.29612.471
us-gaap:SellingGeneralAndAdministrativeExpense ▆█▅▃▃▄▅▃▃▁78.57686.87476.97468.04668.62873.24876.20266.2568.63160.279
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:Assets ▁▃▄▆█▂▄▅▇█1454.4591637.2791781.2521945.4842107.791529.1041727.4241892.2182023.3442138.615
us-gaap:Liabilities █▆▅▅▅▄▆▅▂▁469.898436.946426.196422.463425.759408.671442.431420.508386.97366.516
us-gaap:LiabilitiesAndStockholdersEquity ▁▃▄▆█▂▄▅▇█1454.4591637.2791781.2521945.4842107.791529.1041727.4241892.2182023.3442138.615
us-gaap:StockholdersEquity ▁▃▄▆▇▂▄▅▇█984.5611200.3331355.0561523.0211682.0311120.4331284.9931471.711636.3741772.099
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:AssetsCurrent ▁▃▄▅█▂▃▄▅▆903.5261097.5351215.5371293.1941613.445967.4671152.1741220.0321300.781365.032
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▃▂▂█▂▂▂▁▁353.468439.714317.705324.1641198.768346.629327.214300.426280.995221.738
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▃▂▂█▂▂▂▂▁410.665495.549373.728378.6731253.27401.129381.709355.427335.589236.255
us-gaap:MarketableSecuritiesCurrent ▂▃▆▆▁▃▅▆▇█486.233572.722833.546906.091350.614564.054779.246879.529972.8851100.079
us-gaap:InventoryNet ▄█▁13.50218.07910.698NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▆▆▅▄▃▁217.781219.996213.891204.754199.178194.232187.749176.673158.97140.918
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▆▅▅▄▃▂▂▁58.96154.79851.0647.07343.80240.31236.57332.57629.83526.888
us-gaap:PropertyPlantAndEquipmentNet ▇██▇▇▆▆▅▃▁158.82165.198162.831157.681155.376153.92151.176144.097129.135114.03
us-gaap:IntangibleAssetsNetExcludingGoodwill █▃▁▂▃▄▆▇█▃16.26311.46910.04111.11212.18313.25414.32615.39716.4812.228
us-gaap:FiniteLivedIntangibleAssetsNet NANA10.041NANANA14.326NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass blue:DevelopedTechnologyNANA5.644NANANA9.406NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass blue:InLicensedRightsNANA4.397NANANA4.92NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▄█▁▃▄▆▂▅▄▁190.993197.97184.019188.45189.464194.469185.885191.563190.979184.618
us-gaap:OtherAssetsNoncurrent ▆▆▆▆▆▇▇██▁69.80270.86472.80574.30474.78379.19279.22982.06984.9240.63
us-gaap:EquitySecuritiesFvNi ▁▁▂▂▄▃▅▅▇█2.622.7075.6533.8029.5278.3512.8712.38915.98319.083
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:AccountsPayableCurrent ▇▁▁▃▃▄██▄▄39.29420.23221.60225.30926.18130.52742.99541.87429.45830.241
us-gaap:ContractWithCustomerLiabilityCurrent ▂▁▂▁▃▅▆▆▇█2.6871.332.321.0613.9156.3558.4748.4749.48411.49
us-gaap:LiabilitiesCurrent █▅▅▄▄▄▆▄▂▁247.765206.315203.588196.907197.181184.422223.58196.031162.109146.691
us-gaap:OperatingLeaseLiabilityCurrent ██▅▃▂▁▁28.66928.06325.02422.21820.95520.3820.175NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▆▅▂▃█▄▅▁▃█27.89525.25420.65522.63330.65723.01625.32918.47922.63530.67
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:OtherLiabilitiesNoncurrent ██▇▅▅▃▃▄▂▁7.8917.7687.2684.7514.3352.7842.4373.7261.6990.576
us-gaap:OperatingLeaseLiabilityNoncurrent ▂▇▁▄▅█▃169.933177.702167.997173.075174.564179.962170.812NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA36.899NANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA37.387NANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA37.398NANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA32.082NANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA56.095NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:StockholdersEquity ▁▃▄▆▇▂▄▅▇█984.5611200.3331355.0561523.0211682.0311120.4331284.9931471.711636.3741772.099
us-gaap:CommonStockValue ██▇▇▇▁▁▁▁▁0.6760.6750.6650.6630.6620.5560.5540.5530.5530.551
us-gaap:AdditionalPaidInCapital ██▇▇▇▂▂▂▁▁4337.7194311.4624260.4434227.2544189.6973607.1393568.1843532.5133489.1123430.03
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▃▄▄▅▅▆▇█-3348.057-3106.355-2900.547-2700.673-2505.928-2484.463-2281.852-2058.505-1852.472-1656.69
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▃▆▅▆▅█▇-5.777-5.449-5.505-4.223-2.4-2.799-1.893-2.851-0.819-1.792
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█26.22236.09NA35.40740.78136.335NA38.54655.11132.341
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▁▂▃█▁▂▄▃▂-145.648-203.327-155.193-148.7839.743-206.121-158.976-113.381-137.873-154.154
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆█▇▁█▇▇▇▇▆60.368321.352148.816-727.015269.276224.578183.253129.041232.426-36.913
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▁█▁▁▁▁▁0.3963.7961.4321.198543.1220.9632.0054.1784.78110.223
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▅▅▁█▅▅▅▅▄-84.884121.821-4.945-874.597852.14119.4226.28219.83899.334-180.844
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:IncreaseDecreaseInAccountsPayable ▆▄▂▃▂▁▄█▂▆7.4080.067-4.68-1.378-4.523-9.5190.3216.628-3.93810.59
us-gaap:IncreaseDecreaseInInventories █▁10.3017.103NANA2.7671.699NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▁▂▃█▁▂▄▃▂-145.648-203.327-155.193-148.7839.743-206.121-158.976-113.381-137.873-154.154
us-gaap:NetIncomeLoss ▁▂▂▂█▂▂▂▂▃-241.702-205.808-199.874-194.745-21.465-202.611-223.347-206.033-195.782-164.446
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-241.702-205.808NA-194.745-21.465-202.611NA-206.033-195.782-164.446
us-gaap:ShareBasedCompensation ▁▄▂▃▆▃▂▃█▁31.1642.52732.99138.81848.52936.29334.63138.54655.11132.341
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆█▇▁█▇▇▇▇▆60.368321.352148.816-727.015269.276224.578183.253129.041232.426-36.913
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁▃▃▂▂▄▅█▇▇1.5787.6267.8885.624.80210.67612.3920.71318.60419.321
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▁█▁▁▁▁▁0.3963.7961.4321.198543.1220.9632.0054.1784.78110.223
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value676000.0675000.0665000.0663000.0662000.0556000.0554000.0553000.0553000.0551000.0547000.0547000.0502000.0501000.0494000.0458000.0455000.0409000.0407000.0373000.0370000.0369000.0369000.0366000.0360000.0327000.0323000.0287000.0251000.0243000.0239000.0236000.0236000.03000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6767666666555555555554545050494545404037373636363532322825242323230.309
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6767666666555555555554545050494545404037373636363532322325242323230.309
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value676766666655555555555454505049403632230.309
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-06-30
Value66666055555554535049454140373636363232282424232.1510.3280.252
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value8.719.4158.1678.3828.0636.6166.5116.5275.4835.4415.3724.4824.6624.644.1334.4514.4343.9074.3314.5254.6674.5714.7094.5064.44200.62912
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

blue:EmployeeStockPurchasePlanAndOther


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302019-09-30
Value0.7460.8840.2850.3230.019
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount8.69.43.53.90.3

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value1.8652.0731.5191.5931.5851.1281.1031.1280.9340.9310.920.4560.460.4260.2540.3380.320.1490.2030.1790.184
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount21.422.018.619.019.717.016.917.317.017.117.110.29.99.26.17.67.23.84.74.03.9

us-gaap:StockOption


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-03-312013-09-30
Value6.0996.4586.3636.4666.4785.4695.3935.3844.5394.5054.4464.0164.1914.2033.8674.1034.1043.6613.8534.0744.0424.3233.977
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount70.068.677.977.180.382.782.882.582.882.882.889.689.990.693.692.292.693.789.090.086.691.888.3

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302020-06-302013-09-302012-12-312012-09-302012-06-302012-03-31
Value-3.58-0.36-0.26-12.51.15-23.21-28.49
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302020-06-302013-09-302012-12-312012-09-302012-06-302012-03-31
Value-3.58-0.36-0.26-12.51.14-23.21-28.49
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-06-30
Value-3.07-3.01-2.94-0.36-3.64-4.04-3.73-3.55-2.99-2.72-2.73-2.91-2.31-2.52-1.73-1.73-1.68-1.88-2.07-1.59-1.52-1.29-1.18-1.57-0.76-0.67-0.61-0.06-0.44-0.34-0.26-2.13-19.94-23.21
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value3142333848363438553229292822141313118.9259.9051010109.529165.4323.0062.9142.3512.493
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer1862.32797.90.01602.044.21576.90.01947.411849.51645.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

blue:EmployeeAndNonEmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value17202022262422252423222220171110109.3427.6888.2949.0578.9269.0648.407154.7552.3722.303
Percentage of AllocatedShareBasedCompensationExpense55.748.662.958.653.867.365.465.045.071.775.276.174.675.279.377.179.881.486.183.784.088.089.788.295.487.578.979.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer1037.41360.00.0938.223.81061.70.01266.65333.31179.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:EmployeeAndNonEmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blue:EmployeeStockPurchasePlanAndOther


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-30
Value5.1937.0824.168.3130.8050.299
Percentage of AllocatedShareBasedCompensationExpense16.716.710.717.12.10.5
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer311.0466.2171.87.640.764.3
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:EmployeeStockPurchasePlanAndOther0.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value8.53414111114111112308.8817.2156.9186.9535.5412.8363.0672.6361.9561.1261.4951.6261.1270.9841.0560.6680.6170.5910.567
Percentage of AllocatedShareBasedCompensationExpense27.434.734.530.829.232.734.633.054.527.524.123.224.824.119.821.919.517.012.615.115.111.19.711.14.211.419.719.5
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer511.0969.90.0492.812.9514.90.0642.46454.2451.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType, us-gaap:PlanName

blue:UnrestrictedStockAwards, blue:RetentionProgram


Allocated
Period End2021-06-302021-03-31
Value5.26.7
Percentage of AllocatedShareBasedCompensationExpense16.715.8
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer311.4441.1
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:UnrestrictedStockAwards blue:RetentionProgram0.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value15191418231616182915141414117.1337.0496.7975.6544.285.3995.334.75.1284.4266.73.2
Percentage of AllocatedShareBasedCompensationExpense50.746.742.548.547.644.847.248.353.948.047.248.550.650.649.850.450.449.248.054.549.446.350.746.441.758.9
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer944.21308.00.0777.721.1706.70.0940.86385.8789.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value15221819252018192516
Percentage of AllocatedShareBasedCompensationExpense49.153.257.451.552.455.252.951.846.152.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer915.11488.20.0825.023.2869.90.01008.95466.0855.8
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-242030000.0-205750000.0-201160000.0-196570000.0-21066000.0-203520000.0-222390000.0-208060000.0-194810000.0-162610000.0-147190000.0-145550000.0-146340000.0-115970000.0-119340000.0-79488000.0-71063000.0-68813000.0-71677000.0-77219000.0-58514000.0-54955000.0-49616000.0-42821000.0-51725000.0-24839000.0-19541000.0-17104000.0-1526000.0-10609000.0-8081000.0-6113000.0-4583000.0-6544000.0-8999000.0-5041000.0-4563000.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-14492.8-13545.20.0-8115.9-19.2-8840.90.0-10524.3-41894.4-8271.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value152.2811.4991.3181.5541.0251.0730.8620.6130.430.8180.0290.0210.0170.0071.10.42
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer916.2150.20.054.41.444.50.043.6131.821.90.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2482442142082242252402192151831761611561325631262319171412107.6089.0415.1094.6855.221
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer14868.916063.30.08627.9205.09786.60.011093.946451.29341.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-30
Value-241490000.0-205740000.0-199620000.0-194420000.0-21455000.0-202520000.0-223140000.0-206300000.0-196250000.0-164460000.0-148840000.0-145480000.0-146000000.0-115130000.0-117020000.0-78805000.0-70898000.0-68712000.0-71427000.0-77203000.0-59070000.0-56419000.0-47275000.0-42864000.0-51795000.0-24787000.0-19544000.0-17030000.0-13323000.0-8081000.0-6113000.0-4583000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-14460.2-13544.60.0-8027.1-19.6-8797.40.0-10434.9-42204.5-8365.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value216000.066000.0253000.0329000.010000.094000.0203000.0-264000.0-469000.0-15000.0-63000.0-178000.0-226000.0060000.000-11797000.0000000
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer12.94.30.013.60.04.10.0-13.4-100.9-0.80.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestIncomeExpenseNonoperatingNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.4390.711.2811.9642.9395.3556.8558.4179.387106.2094.5912.4361.388-0.159-1.155-2.2421.5560.9110.9370.981
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer26.346.70.081.12.7232.60.0425.72018.7513.80.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-241.702-205.808-199.874-194.745-21.465-202.611-223.347-206.033-195.782-164.446-149.023-145.48-145.996-115.126-117.228-78.805-70.898-68.712-71.364-77.025-58.844-56.274-47.277-42.924-51.795-24.787-19.544-17.03-1.526-10.609-8.081-6.113-4.583-6.544-8.998-5.041-4.563-5.068
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-14473.2-13548.90.0-8040.7-19.6-8801.50.0-10421.5-42103.7-8364.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-241.702-205.808-194.745-21.465-202.611-206.033-195.782-164.446-145.48-145.996-115.126
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-14473.2-13548.9-8040.7-19.6-8801.5-10421.5-42103.7-8364.50.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-240840000.0-231210000.0-203980000.0-189690000.0-25945000.0-203420000.0-230530000.0-210420000.0-202700000.0-171170000.0-156960000.0-149820000.0-148610000.0-116630000.0-116770000.0-77658000.0-67822000.0-69913000.0-72335000.0-78140000.0-59975000.0-57380000.0-48961000.0-43127000.0-52023000.0-24926000.0-19614000.0-17010000.0-13334000.0-10668000.0-8115000.0-6157000.0-4194000.0-6481000.0-8956000.0-5024000.0-4600000.0-5136000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-14421.4-15221.10.0-7832.1-23.7-8836.90.0-10643.2-43591.8-8706.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-1.087243.08-6.6861.551-4.4470.535-4.298-2.936-3.3891.916-0.2520.1820.115-0.0870.008-0.8341.2010.9080.9370.9050.9610.0930.2630.2280.139-0.08-0.020.0110.0590.0340.044-0.389-0.063-0.042-0.0170.037
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-65.11629.80.0-276.11.4-193.20.0-217.4-631.4-172.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value14415413714015615416115114612211911611597926164555763414135304423201613119.7658.7067.2475.2846.4973.5013.354
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer8641.610169.70.05798.1142.56695.20.07658.731514.06238.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

blue:BristolMyersSquibb, country:US, blue:LicenseAndManufacturingServices, blue:IdeCelResearchAndDevelopmentServices


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9.1931620160.05.0813141.0653.244
Percentage of ResearchAndDevelopmentExpense6.410.914.911.50.03.38.19.90.72.6
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer550.51107.60.0664.10.0220.70.0755.9229.0165.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:BristolMyersSquibb country:US blue:LicenseAndManufacturingServices blue:IdeCelResearchAndDevelopmentServices0.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7.472121019198219.9978.91131219117.851154.1687.711166.8321.5521.5521.5521.4991.4711.3244.946.3446.3866.3656.3356.3356.3356.3856.3341.1270.0850.0850.0850.085
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer447.4842.30.0795.7181.3949.70.0450.72859.4634.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CounterpartyName, us-gaap:ProductOrService

blue:JunoTherapeutics, blue:RoyaltyAndOtherRevenue


Revenue
Period End2021-03-31
Value2.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.5
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer164.6
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:JunoTherapeutics blue:RoyaltyAndOtherRevenue0.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

blue:BristolMyersSquibb, blue:PhaseIAdditionalObligation, blue:BbTwoOneTwoOneSevenResearchAndDevelopmentServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.00.45.64.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.03.729.12.011.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer0.00.0231.23.6104.3
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:BristolMyersSquibb blue:PhaseIAdditionalObligation blue:BbTwoOneTwoOneSevenResearchAndDevelopmentServices0.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

blue:BristolMyersSquibb, country:US, us-gaap:AccountingStandardsUpdate201409, blue:LicenseAndManufacturingServices, blue:IdeCelRevenueServices


Revenue
Period End2020-12-312020-09-302020-06-302019-06-30
Value0.00.01080.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.054.40.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer0.00.098.70.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:BristolMyersSquibb country:US us-gaap:AccountingStandardsUpdate201409 blue:LicenseAndManufacturingServices blue:IdeCelRevenueServices0.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

blue:BristolMyersSquibb, us-gaap:NonUs, blue:LicenseAndManufacturingServices, blue:IdeCelLicenseAndManufacturingServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.285.1044.326.91373135.0473.5127.8999.064
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.339.940.335.937.163.950.539.459.472.7
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer256.3336.00.0285.467.3606.90.0177.61698.7461.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:BristolMyersSquibb us-gaap:NonUs blue:LicenseAndManufacturingServices blue:IdeCelLicenseAndManufacturingServices0.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

blue:RoyaltyAndOtherRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.4885.3573.993.499102.7282.8382.3351.738
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.541.937.318.25.512.528.426.213.1
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer29.2352.70.0144.59.9118.50.0118.1373.8
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer blue:RoyaltyAndOtherRevenue0.00.00.00.00.00.00.00.00.0

us-gaap:Service


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.3145.9185.5221378165.8274.598119.211
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.146.351.669.339.477.058.351.683.473.9
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer318.2389.60.0551.371.4731.20.0232.62385.6468.5
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:Service0.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7.472121019198219.9978.91131219117.851154.1687.711166.8321.5521.5521.5521.4991.4711.3244.946.3446.3866.3656.3356.3356.3356.3856.3341.1270.0850.0850.0850.085
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer447.4842.30.0795.7181.3949.70.0450.72859.4634.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value78867668687376666860
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer4705.15719.20.02809.562.63181.90.03351.014759.43066.1

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value14541637178119452107152917271892202321382242235117611866190014051457107211189189419781002101799953355633024020922422823469
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value4694364264224254084424203863663573503032962772642572572482231821721511288059656874657270735.229
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.326.723.921.720.226.725.622.219.117.116.014.917.315.914.618.817.624.022.224.419.417.615.112.68.011.111.820.731.131.232.430.931.27.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value14541637178119452107152917271892202321382242235117611866190014051457107211189189419781002101799953355633024020922422823469
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312010-12-31
Value9841200135515231682112012841471163617721885200014571570162311411200815869694759806850889918474491261165144151157161-55.747-55.707-36.083
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets67.773.376.178.379.873.374.477.880.982.984.085.182.784.185.481.282.476.077.875.680.682.484.987.492.088.988.279.368.968.867.669.168.8-80.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

blue:AccumulatedOtherComprehensiveIncomeNetGainLoss


Stockholders
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312011-12-312010-12-31
Value-5.505-1.893-2.851-0.819-1.792-3.627-5.463-5.394-5.049-4.205-1.149-2.291-0.0710.001-0.072
Percentage of StockholdersEquity-0.4-0.1-0.2-0.1-0.1-0.2-0.3-0.4-0.3-0.3-0.1-0.3-0.0-0.00.2
Percentage of Assets-0.3-0.1-0.2-0.0-0.1-0.2-0.2-0.3-0.3-0.2-0.1-0.2-0.00.00.0
Percentage of Assets blue:AccumulatedOtherComprehensiveIncomeNetGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-5.777-5.449-5.505-4.223-2.4-2.799-1.893-2.851-0.819-1.792-3.627
Percentage of StockholdersEquity-0.6-0.5-0.4-0.3-0.1-0.2-0.1-0.2-0.1-0.1-0.2
Percentage of Assets-0.4-0.3-0.3-0.2-0.1-0.2-0.1-0.2-0.0-0.1-0.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value43374311426042274189360735683532348934303386335526662633254014471166638250157.73211
Percentage of StockholdersEquity440.6359.2314.4277.6249.1321.9277.7240.0213.2193.6179.7167.7183.0167.7156.5166.5137.2130.0164.9-27.4-13.9-32.8
Percentage of Assets298.2263.3239.2217.3198.8235.9206.6186.7172.4160.4151.0142.7151.4141.0133.7129.5116.4114.7111.522.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.6760.6750.6650.6630.6620.5560.5540.5530.5530.5510.5470.5470.5020.5010.4940.4070.3690.3230.2390.0030.0020.001
Percentage of StockholdersEquity0.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.2-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value-3348.057-3106.355-2900.547-2700.673-2505.928-2484.463-2281.852-2058.505-1852.472-1656.69-1498.808-1349.785-1204.303-1058.308-913.808-577.674-314.167-147.384-98.675-73.354
Percentage of StockholdersEquity-340.1-258.8-214.1-177.3-149.0-221.7-177.6-139.9-113.2-93.5-79.5-67.5-82.6-67.4-56.3-66.4-36.9-30.0-65.1131.6
Percentage of Assets-230.2-189.7-162.8-138.8-118.9-162.5-132.1-108.8-91.6-77.5-66.8-57.4-68.4-56.7-48.1-51.7-31.3-26.5-44.0-105.8
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value9031097121512931613967115212201300136514181725110511641322758111866772460858256052371381534047922318219521122123067
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets62.167.068.266.576.563.366.764.564.363.863.373.462.862.469.654.076.862.264.866.361.957.352.370.181.663.886.267.676.093.594.597.098.397.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value353439317324119834632730028022140295233345675823768621627824522219216441759313334789175192206216228131677418259.35
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.326.917.816.756.922.718.915.913.910.417.940.519.024.539.916.947.120.124.926.723.619.716.441.059.424.962.527.173.091.991.995.097.60.096.70.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value4104953733781253401381355335236417966347470772251700230293174
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.230.321.019.559.526.222.118.816.611.018.641.119.725.240.617.948.121.526.217.4

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value4865728339063505647798799721100982743665531490409418425355353360353289217201125
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.435.046.846.616.636.945.146.548.151.443.842.235.628.034.928.139.038.138.737.536.835.328.521.737.822.6

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-31
Value131810
Percentage of InventoryNet100.0100.0100.0
Percentage of Assets0.91.10.6

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value217219213204199194187176158140275258241223215195190196169142118104896719121.815
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.013.412.010.59.412.710.99.37.96.612.311.013.712.011.313.913.118.315.215.612.610.78.96.63.45.52.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

blue:ComputerEquipmentAndSoftware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value6.9196.9196.956.8456.8376.8376.9476.9826.5186.4746.3656.795.5515.4285.1345.0654.9045.5281.6551.351.3131.2921.2591.0920.8140.5760.199
Percentage of PropertyPlantAndEquipmentGross3.23.13.23.33.43.53.74.04.14.62.32.62.32.42.42.62.62.81.00.91.11.21.41.64.34.711.0
Percentage of Assets0.50.40.40.40.30.40.40.40.30.30.30.30.30.30.30.40.30.50.10.10.10.10.10.10.10.30.3
Percentage of Assets blue:ComputerEquipmentAndSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blue:ConstructionInProgressNorthCarolinaManufacturingFacility


Property
Period End2020-12-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value917463474027281612
Percentage of PropertyPlantAndEquipmentGross42.639.540.133.414.610.611.67.36.0
Percentage of Assets5.14.33.12.21.81.21.60.90.7
Percentage of Assets blue:ConstructionInProgressNorthCarolinaManufacturingFacility0.00.00.00.00.00.00.00.00.0

blue:LaboratoryEquipment


Property
Period End2021-06-302021-03-312020-12-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value676655444039353230282423201616151312109.7477.2233.7581.111
Percentage of PropertyPlantAndEquipmentGross30.930.326.023.725.828.012.912.412.512.711.611.911.08.49.610.711.811.911.814.537.730.461.2
Percentage of Assets4.64.13.12.62.01.81.61.41.71.51.31.61.41.51.51.71.51.31.01.01.31.71.6
Percentage of Assets blue:LaboratoryEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blue:RemainingConstructionInProgressNorthCarolinaManufacturingFacility


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value141491858178746940
Percentage of PropertyPlantAndEquipmentGross6.56.542.641.741.040.439.539.214.6
Percentage of Assets1.00.95.14.43.95.14.33.71.8
Percentage of Assets blue:RemainingConstructionInProgressNorthCarolinaManufacturingFacility0.00.00.00.00.00.00.00.00.0

us-gaap:Building


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value88881515151515151414180179167165164161160122
Percentage of PropertyPlantAndEquipmentGross40.840.37.47.77.98.18.38.79.410.665.369.569.274.276.382.784.062.5
Percentage of Assets6.15.40.90.80.71.00.90.80.70.78.07.69.58.98.711.511.011.4
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1414928686827776676046333117151.2120.4763413611088756544
Percentage of PropertyPlantAndEquipmentGross6.86.843.342.443.342.241.543.142.443.116.912.813.28.07.00.60.217.880.577.774.272.373.366.0
Percentage of Assets1.00.95.24.54.15.44.54.03.32.82.11.41.81.00.80.10.03.212.212.19.47.76.54.4
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value524746444135
Percentage of PropertyPlantAndEquipmentGross25.623.824.123.723.612.9
Percentage of Assets2.72.33.12.62.21.6
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value313434343433332821120.1830.1150.2720.1160.1160.1160.06513131313131110107.260.357
Percentage of PropertyPlantAndEquipmentGross14.415.516.016.717.117.518.016.113.68.70.10.00.10.10.10.10.07.08.19.711.713.312.316.353.958.719.7
Percentage of Assets2.12.11.91.81.62.22.01.51.10.60.00.00.00.00.00.00.01.31.21.51.51.41.11.11.93.20.5
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OfficeEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value7.3357.6337.6657.6267.6117.6077.5996.8976.3085.7885.5845.3715.0364.8084.4784.1964.1882.9771.4271.4271.4271.3471.1041.0850.7860.780.148
Percentage of PropertyPlantAndEquipmentGross3.43.53.63.73.83.94.03.94.04.12.02.12.12.22.12.12.21.50.81.01.21.31.21.64.16.38.2
Percentage of Assets0.50.50.40.40.40.50.40.40.30.30.20.20.30.30.20.30.30.30.10.20.20.10.10.10.10.30.2
Percentage of Assets us-gaap:OfficeEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value58545147434036322926292522181513101412119.6298.1586.8215.8563.4011.4540.527
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.13.32.92.42.12.62.11.71.51.31.31.11.31.00.80.90.71.31.11.21.00.80.70.60.60.60.8

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value158165162157155153151144129114246232219204199182180181156131109968261161615141211105.3922.5151.288
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.910.19.18.17.410.18.87.66.45.311.09.912.410.910.513.012.416.914.014.311.69.98.26.01.73.22.84.55.35.74.92.41.11.9

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value161110111213141516121314151516171819202122232425262728
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.10.70.60.60.60.90.80.80.80.60.60.60.90.90.91.31.31.81.92.42.42.42.42.52.65.15.1

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-31
Value101413
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0
Percentage of Assets0.60.80.6

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

blue:DevelopedTechnology


Finite
Period End2020-12-312019-12-312018-12-31
Value5.6449.40613
Percentage of FiniteLivedIntangibleAssetsNet56.265.7100.0
Percentage of Assets0.30.50.6
Percentage of Assets blue:DevelopedTechnology0.00.00.0

blue:InLicensedRights


Finite
Period End2020-12-312019-12-312018-12-31
Value4.3974.920.0
Percentage of FiniteLivedIntangibleAssetsNet43.834.30.0
Percentage of Assets0.20.30.0
Percentage of Assets blue:InLicensedRights0.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value190197184188189194185191190184127
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.112.110.39.79.012.710.810.19.48.60.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value697072747479798284404442282423242216101010101.5111.2941.2151.1621.483
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.34.13.83.55.24.64.34.21.92.01.81.61.31.32.32.01.81.11.11.01.00.20.20.20.40.7

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.622.7075.6533.8029.5278.35121215192220
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.30.20.50.50.70.70.80.91.00.9

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.622.7075.6533.8029.5278.351212151922
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.30.20.50.50.70.70.80.91.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.622.7075.6533.8029.5278.351212151922
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.30.20.50.50.70.70.80.91.0
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Equity
Period End2021-01-31
Value7.3
Percentage of EquitySecuritiesFvNi0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:SubsequentEvent0.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value39202125263042412930171217121212148.769136.712.3633.1366.3343.4692.3392.5512.9543.6412.5862.6014.3591.1441.6092.173
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.71.21.21.31.22.02.52.21.51.40.80.51.00.60.70.91.00.81.20.70.30.30.60.30.20.50.51.11.11.21.90.50.73.1

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-01-012017-12-31
Value2.6871.332.321.0613.9156.3558.4748.4749.484111822274525
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.10.10.10.20.40.50.40.50.50.81.01.60.01.4

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value247206203196197184223196162146146131116107957677727467403840332842423839333431304.628
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.012.611.410.19.412.112.910.48.06.96.55.66.65.85.05.55.36.86.77.44.34.04.03.32.87.97.711.716.415.815.513.812.96.7

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value28282522202020
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.01.71.41.11.01.31.2

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value272520223023251822301.2730.6271.0610.5590.8380.491.730.7810.6430.6051.0320.8780.4950.330.4150.531
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.51.21.21.51.51.51.01.11.40.10.00.10.00.00.00.10.10.10.10.10.10.00.00.00.1

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7891000.07768000.07268000.04751000.04335000.02784000.02437000.03726000.01699000.0576000.03107000.02634000.02685000.02735000.060000.075000.090000.0105000.0120000.0149000.0179000.0208000.0237000.0266000.0234000.0265000.0294000.0323000.0352000.0385000.0208000.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.40.20.20.20.10.20.10.00.10.10.20.10.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.20.1

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value169177167173174179170
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.710.99.48.98.311.89.9

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value36
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets2.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value37
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets2.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value37
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets2.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value32
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets1.8

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value56
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets3.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value193190195194185125
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets10.811.110.49.68.70.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value236
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets13.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value43
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets2.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312010-12-31
Value9841200135515231682112012841471163617721885200014571570162311411200815869694759806850889918474491261165144151157161-55.747-55.707-36.083
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets67.773.376.178.379.873.374.477.880.982.984.085.182.784.185.481.282.476.077.875.680.682.484.987.492.088.988.279.368.968.867.669.168.8-80.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

blue:AccumulatedOtherComprehensiveIncomeNetGainLoss


Stockholders
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312011-12-312010-12-31
Value-5.505-1.893-2.851-0.819-1.792-3.627-5.463-5.394-5.049-4.205-1.149-2.291-0.0710.001-0.072
Percentage of StockholdersEquity-0.4-0.1-0.2-0.1-0.1-0.2-0.3-0.4-0.3-0.3-0.1-0.3-0.0-0.00.2
Percentage of Assets-0.3-0.1-0.2-0.0-0.1-0.2-0.2-0.3-0.3-0.2-0.1-0.2-0.00.00.0
Percentage of Assets blue:AccumulatedOtherComprehensiveIncomeNetGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-5.777-5.449-5.505-4.223-2.4-2.799-1.893-2.851-0.819-1.792-3.627
Percentage of StockholdersEquity-0.6-0.5-0.4-0.3-0.1-0.2-0.1-0.2-0.1-0.1-0.2
Percentage of Assets-0.4-0.3-0.3-0.2-0.1-0.2-0.1-0.2-0.0-0.1-0.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value43374311426042274189360735683532348934303386335526662633254014471166638250157.73211
Percentage of StockholdersEquity440.6359.2314.4277.6249.1321.9277.7240.0213.2193.6179.7167.7183.0167.7156.5166.5137.2130.0164.9-27.4-13.9-32.8
Percentage of Assets298.2263.3239.2217.3198.8235.9206.6186.7172.4160.4151.0142.7151.4141.0133.7129.5116.4114.7111.522.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.6760.6750.6650.6630.6620.5560.5540.5530.5530.5510.5470.5470.5020.5010.4940.4070.3690.3230.2390.0030.0020.001
Percentage of StockholdersEquity0.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.2-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value-3348.057-3106.355-2900.547-2700.673-2505.928-2484.463-2281.852-2058.505-1852.472-1656.69-1498.808-1349.785-1204.303-1058.308-913.808-577.674-314.167-147.384-98.675-73.354
Percentage of StockholdersEquity-340.1-258.8-214.1-177.3-149.0-221.7-177.6-139.9-113.2-93.5-79.5-67.5-82.6-67.4-56.3-66.4-36.9-30.0-65.1131.6
Percentage of Assets-230.2-189.7-162.8-138.8-118.9-162.5-132.1-108.8-91.6-77.5-66.8-57.4-68.4-56.7-48.1-51.7-31.3-26.5-44.0-105.8
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value676000.0675000.0665000.0663000.0662000.0556000.0554000.0553000.0553000.0551000.0547000.0547000.0502000.0501000.0494000.0458000.0455000.0409000.0407000.0373000.0370000.0369000.0369000.0366000.0360000.0327000.0323000.0287000.0251000.0243000.0239000.0236000.0236000.03000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value433743114260422741893607356835323489343033863355266626332540193919181463144712011188117711661155114264663838927625325024824515
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets298.2263.3239.2217.3198.8235.9206.6186.7172.4160.4151.0142.7151.4141.0133.7138.0131.7136.4129.5130.8126.2120.3116.4113.5114.4121.1114.7118.0114.8120.9111.5108.7104.722.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value-3348.057-3106.355-2900.547-2700.673-2505.928-2484.463-2281.852-2058.505-1852.472-1656.69-1498.808-1349.785-1204.303-1058.308-913.808-796.58-717.775-646.876-577.674-506.31-429.285-370.441-314.167-266.892-223.966-172.171-147.384-127.84-110.81-109.284-98.675-90.594-84.481-73.354
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-230.2-189.7-162.8-138.8-118.9-162.5-132.1-108.8-91.6-77.5-66.8-57.4-68.4-56.7-48.1-56.7-49.3-60.3-51.7-55.1-45.6-37.9-31.3-26.2-22.4-32.3-26.5-38.7-46.1-52.2-44.0-39.7-36.0-105.8

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-5777000.0-5449000.0-5505000.0-4223000.0-2400000.0-2799000.0-1893000.0-2851000.0-819000.0-1792000.0-3627000.0-5463000.0-5394000.0-5049000.0-4205000.0-2097000.0-1415000.0-1252000.0-1149000.0-836000.0-642000.0-972000.0-2291000.050000.0-53000.0-123000.0-71000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.4-0.3-0.3-0.2-0.1-0.2-0.1-0.2-0.0-0.1-0.2-0.2-0.3-0.3-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.20.0-0.0-0.0-0.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2636354036385532292822
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2636354036385532292822
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-30
Value-145.648-203.327-155.193-148.7839-206.121-158.976-113.381-137.873-154.154-129.731-74.473-100.4-108.822-95.379-56.337-5.455-8.86-6.636-4.223
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-8721.4-13385.60.0-6142.936.2-8954.00.0-5735.0-29650.1-7841.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-30
Value60321148-727.015269224183129232-36.913-421.09133-27.487-264.72527-398.783-5.29-2.015-0.356-0.041
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer3614.921155.50.0-30017.1245.59755.80.06527.149984.1-1877.60.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-30
Value0.3963.7961.4321.1985430.9632.0054.1784.781101.9216585.301715886.120.233-1.181-0.01559
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer23.7249.90.049.5495.241.80.0211.31028.2520.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-84.884121-4.945-874.59785219261999-180.844-548.901618-122.586-301.87
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-5082.98019.80.0-36110.5777.0843.60.01003.421362.2-9198.60.00.00.00.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value7.4080.067-4.68-1.378-4.523-9.5190.3216-3.938104.107-4.594.834-0.7370.973-2.455.26-3.2575.4484.342-0.937-2.1951.9181.041-0.087-0.3310.3550.098-0.314-2.3883.0880.395-0.823-0.5931.1350.34
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value107.1032.7671.699
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-30
Value-145.648-203.327-155.193-148.7839-206.121-158.976-113.381-137.873-154.154-129.731-74.473-100.4-108.822-95.379-56.337-5.455-8.86-6.636-4.223
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-8721.4-13385.60.0-6142.936.2-8954.00.0-5735.0-29650.1-7841.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-241.702-205.808-199.874-194.745-21.465-202.611-223.347-206.033-195.782-164.446-149.023-145.48-145.996-115.126-117.228-78.805-70.898-68.712-71.364-77.025-58.844-56.274-47.277-42.924-51.795-24.787-19.544-17.03-1.526-10.609-8.081-6.113-4.583-6.544-8.998-5.041-4.563-5.068
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-14473.2-13548.90.0-8040.7-19.6-8801.50.0-10421.5-42103.7-8364.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-241.702-205.808-194.745-21.465-202.611-206.033-195.782-164.446-145.48-145.996-115.126
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-14473.2-13548.9-8040.7-19.6-8801.5-10421.5-42103.7-8364.50.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value3142323848363438553229292822141313118.9259.9051010109.529165.4323.0062.9142.3512.4931.6582.5161.6570.6610.2520.1850.152
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-30
Value60321148-727.015269224183129232-36.913-421.09133-27.487-264.72527-398.783-5.29-2.015-0.356-0.041
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer3614.921155.50.0-30017.1245.59755.80.06527.149984.1-1877.60.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1.5787.6267.8885.624.80210122018191222137.452183.89913260.998.9482.1633.8943.4371.051.4121.1562.4051.7692.0172.5175.292.1150.4530.8120.3560.04
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-30
Value0.3963.7961.4321.1985430.9632.0054.1784.781101.9216585.301715886.120.233-1.181-0.01559
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer23.7249.90.049.5495.241.80.0211.31028.2520.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6099000.06458000.06262000.06363000.06466000.06478000.05483000.05469000.05393000.05384000.04643000.04539000.04505000.04446000.03755000.04016000.04191000.04203000.03735000.03867000.04103000.04104000.03532000.03661000.03853000.04074000.03652200.04042000.04112000.04323000.03958000.03977000.03890000.02201000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value97.93100.08105.02106.11106.9108.68116.3117.63117.3115.84108.56107.28103.5598.9167.9163.6260.7757.3552.1751.7449.9749.9448.7446.8335.1528.812.310.399.598.565.214.413.672.09
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312018-03-31
Value138000.0990000.082000.0522000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-31
Value1815120.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.00.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value882744543373246140654029
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:AreaOfLeasedSpace us-gaap:StatementGeographical

blue:AreaOfLeasedSpace

blue:SeattleWashington


Area
Period End2020-09-302019-09-302018-07-31
Value22188.022188.036126.0
Percentage of AreaOfLeasedSpace100.0100.0100.0

blue:ContractWithCustomerAssetAdditions us-gaap:CounterpartyName

blue:ContractWithCustomerAssetAdditions

blue:BristolMyersSquibb


Contract
Period End2020-12-31
Value0.4
Percentage of ContractWithCustomerAssetAdditions100.0

blue:ContractWithCustomerAssetDeductions us-gaap:CounterpartyName

blue:ContractWithCustomerAssetDeductions

blue:BristolMyersSquibb


Contract
Period End2021-06-302021-03-312020-12-31
Value0.00.45.6
Percentage of ContractWithCustomerAssetDeductions0.0100.0100.0

blue:ContractWithCustomerDevelopmentMilestonePaymentAchieved us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

blue:ContractWithCustomerDevelopmentMilestonePaymentAchieved

blue:BristolMyersSquibb, blue:BBTwoOneTwoOneSevenLicenseAgreement


Contract
Period End2021-03-312020-12-312020-09-30
Value10000000.000
Percentage of ContractWithCustomerDevelopmentMilestonePaymentAchieved100.00.00.0

blue:ContractWithCustomerLiabilityAdditions us-gaap:CounterpartyName

blue:ContractWithCustomerLiabilityAdditions

blue:BristolMyersSquibb


Contract
Period End2020-12-31
Value0.0
Percentage of ContractWithCustomerLiabilityAdditions0.0

blue:ContractWithCustomerLiabilityDeductions us-gaap:CounterpartyName

blue:ContractWithCustomerLiabilityDeductions

blue:BristolMyersSquibb


Contract
Period End2021-06-302021-03-312020-12-31
Value0.00.820.241
Percentage of ContractWithCustomerLiabilityDeductions0.0100.0100.0

blue:ContractWithCustomerOptionFeeReceived us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

blue:ContractWithCustomerOptionFeeReceived

blue:BristolMyersSquibb, blue:BBTwoOneTwoOneSevenLicenseAgreement


Contract
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312017-09-282017-09-30
Value150.00.00.0151515
Percentage of ContractWithCustomerOptionFeeReceived100.00.00.00.0100.0100.0100.0

blue:IncomeLossFromCollaborativeArrangements

blue:IncomeLossFromCollaborativeArrangements


Income
Period End2021-06-30
Value-10.071
Percentage of IncomeLossFromCollaborativeArrangements100.0

blue:IncomeLossFromCollaborativeArrangements us-gaap:CounterpartyName, us-gaap:StatementGeographical, us-gaap:TypeOfArrangement

blue:BristolMyersSquibb, country:US, blue:IdeCelLicenseAgreement


Income
Period End2021-06-30
Value10
Percentage of IncomeLossFromCollaborativeArrangements-100.3

blue:IncreaseDecreaseInCollaborationResearchAdvancement

blue:IncreaseDecreaseInCollaborationResearchAdvancement


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1671000.01519000.01195000.02423000.01477000.02302000.01332000.01976000.0465000.01966000.01564000.0
Percentage of IncreaseDecreaseInCollaborationResearchAdvancement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:IncreaseDecreaseInOperatingLeaseLiabilities

blue:IncreaseDecreaseInOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-7162000.0-9306000.0-4472000.0-5061000.0-5070000.0-4584000.0-3483000.03224000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

blue:LesseeIncreaseDecreaseInOperatingLeaseRightOfUseAsset

blue:LesseeIncreaseDecreaseInOperatingLeaseRightOfUseAsset


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.9768.0984.9365.265.2435.8425.8095.655.6635.374
Percentage of LesseeIncreaseDecreaseInOperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:LesseeOperatingLeaseAnnualExpense us-gaap:PropertyPlantAndEquipmentByType

blue:LesseeOperatingLeaseAnnualExpense

us-gaap:ManufacturingFacility


Lessee
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.05.1
Percentage of LesseeOperatingLeaseAnnualExpense0.00.00.0100.0

blue:StockIssuedDuringPeriodSharesVestingOfRestrictedStockUnits us-gaap:StatementEquityComponents

blue:StockIssuedDuringPeriodSharesVestingOfRestrictedStockUnits

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value127000.0294000.062000.0114000.0204000.027000.066000.0131000.025000.033000.074000.0
Percentage of StockIssuedDuringPeriodSharesVestingOfRestrictedStockUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:StockIssuedDuringPeriodValueVestingOfRestrictedStockUnits us-gaap:StatementEquityComponents

blue:StockIssuedDuringPeriodValueVestingOfRestrictedStockUnits

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-312018-03-31
Value-1000.0-3000.0-1000.0-1000.0-2000.0-1000.0-2000.0-1000.0
Percentage of StockIssuedDuringPeriodValueVestingOfRestrictedStockUnits100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-312018-03-31
Value1000.03000.01000.01000.02000.01000.02000.01000.0
Percentage of StockIssuedDuringPeriodValueVestingOfRestrictedStockUnits-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

blue:UpfrontNonRefundableFees us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

blue:UpfrontNonRefundableFees

blue:BristolMyersSquibb, us-gaap:CollaborativeArrangement


Upfront
Period End2021-03-312020-12-312020-03-31
Value1200.075
Percentage of UpfrontNonRefundableFees100.00.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value47000.0369000.0-877000.0-828000.0-1655000.0-3108000.01435000.0802000.0214000.0296000.02156000.047000.0262000.0534000.0-730000.0-258000.0-970000.01433000.0576000.01098000.01404000.01013000.0329000.0352000.01973000.0215000.0168000.078000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value-730000.02238000.01168000.0429000.0132000.01125000.0-1325000.0-2258000.0-433000.09302000.04679000.0-5045000.04998000.02817000.0826000.0546000.0-4777000.05971000.03884000.01570000.0-177000.01086000.0614000.0951000.0-601000.01125000.0-911000.0954000.0-603000.0947000.0577000.01066000.0121000.0160000.0-11000.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueModificationOfContract us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueModificationOfContract

blue:BristolMyersSquibb, blue:AmendedIdeCelCoDevelopmentCoPromoteAndProfitShareAgreement


Contract
Period End2020-12-31
Value0.0
Percentage of ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueModificationOfContract0.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:CounterpartyName, us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

blue:RegeneronPharmaceuticalsIncorporation, blue:CollaborationArrangement


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.71.51.22.41.52.31.22.00.52.01.60.00.00.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount us-gaap:StatementScenario, us-gaap:RetirementPlanType

us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount

srt:ScenarioForecast, blue:FourHundredAndOneK


Defined
Period End2021-03-312020-03-31
Value5200000.04600000.0
Percentage of DefinedContributionPlanEmployerDiscretionaryContributionAmount100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value5.9935.364.9784.9484.554.885.0564.5474.0483.7834.5454.4144.1794.023.6393.6183.4372.8442.5162.3852.4642.2832.0381.8721.7991.711.671.5410.5420.4750.3310.3060.1650.1390.096
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeBenefitsAndShareBasedCompensation us-gaap:PlanName

us-gaap:EmployeeBenefitsAndShareBasedCompensation

blue:RetentionProgram


Employee
Period End2021-06-302021-03-31
Value1013
Percentage of EmployeeBenefitsAndShareBasedCompensation100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2021-06-302021-03-31
Value400000.0300000.0
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount us-gaap:Range, us-gaap:IncomeStatementLocation

srt:Maximum, blue:CostOfRoyaltyAndOtherRevenue


Employee
Period End2021-03-31
Value100000.0
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount33.3

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:EquitySecuritiesFvNiGainLoss


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.086281.851-5.7251.177-4.520.481-3.594-3.099-3.085
Percentage of EquitySecuritiesFvNiGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss us-gaap:IncomeStatementLocation

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:OtherNonoperatingIncomeExpense


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1-28.41.9-5.81.2-4.519-3.6-3.1-3.1
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value20-0.1848.0740.9696.532-20.557312412-21.5146.366215.2894.573121.5664.809-13.318-3.21212.2860.2114.1034.2221.010.0884.356-2.0615.9361.738-3.223.371.096-0.4850.5520.267
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.357-0.991.259-2.85413-2.118-2.118-2.84-3.044-8.672-9.891-10.392-7.623-13.966-2.0610
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability us-gaap:CounterpartyName

blue:BristolMyersSquibb


Increase
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.80.00.899999999999999
Percentage of IncreaseDecreaseInContractWithCustomerLiability0.0-80.80.0-31.5

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Increase
Period End2020-12-312020-09-30
Value-0.3-2.8
Percentage of IncreaseDecreaseInContractWithCustomerLiability-23.898.1

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-22.9028.979-1.827-1.8972.829103.241-10.0227.901125.27415-10.207137.2273.2716.4893.105102.135-0.5492.2714.131.6581.0570.002-0.1410.6881.21-2.0640.3112.997-0.1671.073-0.311-0.017
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-328000.056000.0-1823000.0399000.0-906000.0-2032000.0973000.01835000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-328000.056000.0-1823000.0399000.0-906000.0-2032000.0973000.01835000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value000100000.0100000.0100000.00800000.0
Percentage of OtherComprehensiveIncomeLossTax0.00.00.0100.0100.0100.00.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


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-3.715-2.513-1.996-0.3030.4541.3871.6382.2983.6083.4568.986-0.272-0.431-2.403
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value142538630.0101175
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2020-09-302020-05-312018-12-312018-09-302018-06-302018-03-312018-01-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.05416193.9265.641948185.7675.5993.043.1482.4330.7140.6391.23.3883.0572.4642.8510.4791.2250.671
Percentage of ProceedsFromIssuanceOfCommonStock0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302014-12-312013-12-31
Value0.3963.7961.1981.5860.9634.1782.8510.284
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value206350195141244336306329340364262214272145111109106104861291309666
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities


Proceeds
Period End2021-03-31
Value31
Percentage of ProceedsFromSaleOfAvailableForSaleSecurities100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity


Proceeds
Period End2021-01-31
Value31
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesEquity100.0

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us-gaap:SubsequentEvent


Proceeds
Period End2021-01-31
Value31
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesEquity100.0

us-gaap:ProceedsFromSaleOfEquitySecuritiesFvNi

us-gaap:ProceedsFromSaleOfEquitySecuritiesFvNi


Proceeds
Period End2021-01-31
Value31
Percentage of ProceedsFromSaleOfEquitySecuritiesFvNi100.0

us-gaap:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


Proceeds
Period End2021-06-302021-03-312013-06-302012-06-30
Value100000.01200000.031000.08000.0
Percentage of ProceedsFromStockPlans100.0100.0100.0100.0

us-gaap:RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer

us-gaap:RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.671.5191.1962.4221092.3021.3321.9770.4651.966
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0220.5054.2460.238140.06.45115.5
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.0100.0100.0100.0100.0100.00.0100.0100.0100.0

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us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value219000.0118000.053000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value-7.4484.63-2.25
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value-7.7929.17-1.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312019-03-312018-12-312018-09-302018-06-302018-03-31
Value127000.0294000.053000.0131000.020000.025000.033000.074000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value-49.5108.85-5.97
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod


Share
Period End2021-06-302021-03-312020-12-31
Value497000.0268000.0225000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value-2.11110.62-5.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross


Share
Period End2021-06-302021-03-312020-12-31
Value140000.0671000.0164000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross us-gaap:AwardType, us-gaap:PlanName

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Share
Period End2021-03-31
Value400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross59.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod


Share
Period End2021-01-312020-01-312019-01-312018-01-312017-01-312016-01-312015-01-31
Value2700000.02200000.02200000.02000000.01600000.01500000.01300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Share
Period End2021-01-312020-01-312019-01-312018-01-312017-01-312016-01-31
Value2700000.02200000.02200000.02000000.01600000.01500000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod us-gaap:Range, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

srt:Maximum, blue:EmployeeStockPurchasePlanAndOther


Share
Period End2021-06-302021-03-312020-06-302020-03-31
Value0100000.00100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod0.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value0.145.88-5.01
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value0.3529.17-2.1
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:StockIssued1

us-gaap:StockIssued1


Stock
Period End2021-06-302021-03-31
Value0.012
Percentage of StockIssued10.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:CommonStock


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value67000.053000.028000.014000.011000.07000.09000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-03-31
Value422000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312016-06-302016-03-31
Value2000.0207000.040000.028000.07000.020000.021000.051000.093000.0189000.057000.033000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:Range

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Stock
Period End2020-09-302020-06-302020-03-31
Value00100000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.00.0500.0

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us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2000.0207000.028000.07000.020000.051000.093000.0189000.0109000.0125000.0301000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value1707000.01902000.01872000.01535000.01231000.0917000.0687000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

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us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value1706000.01902000.01872000.01535000.01231000.0917000.0687000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan99.9100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-03-31
Value1000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan0.1

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-03-31
Value12
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0

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us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-31
Value12
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0

us-gaap:CommonStock


Stock
Period End2021-03-31
Value0.004
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0361.2190.2490.3470.753.3213.9739.5042.945.61719
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0361.2170.2490.3470.753.323.9729.5022.9395.61619
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.099.8100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0020.0010.0010.0020.0010.0010.003
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.20.00.00.00.00.00.0

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blue:AccruedClinicalAndContractResearchOrganizationCostsCurrent


Accrued
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
Value19232326212116151614118.082
Percentage of AccruedClinicalAndContractResearchOrganizationCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:AccruedCollaborationResearchCostsCurrent

blue:AccruedCollaborationResearchCostsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value202320157.8861927163.358
Percentage of AccruedCollaborationResearchCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:AccruedLicenseAndMilestoneFees

blue:AccruedLicenseAndMilestoneFees


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.1830.3030.2780.2860.7710.7680.33.0141.690.3237.7390.6080.914104.5843.3670.7240.2852.464150.277
Percentage of AccruedLicenseAndMilestoneFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:AccruedManufacturingCostsCurrent

blue:AccruedManufacturingCostsCurrent


Accrued
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
Value24242222332523182012218.48
Percentage of AccruedManufacturingCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:AccruedPropertyPlantAndEquipmentCurrent

blue:AccruedPropertyPlantAndEquipmentCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1201000.01543000.0789000.0608000.0685000.0730000.02354000.03840000.06113000.05451000.0
Percentage of AccruedPropertyPlantAndEquipmentCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:CollaborationResearchAdvancementCurrent

blue:CollaborationResearchAdvancementCurrent


Collaboration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value9.089.8999.23610109.0691013131110
Percentage of CollaborationResearchAdvancementCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:CollaborationResearchAdvancementNonCurrent

blue:CollaborationResearchAdvancementNonCurrent


Collaboration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1819212123262726283033
Percentage of CollaborationResearchAdvancementNonCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:CollaborativeArrangementEstimatedVariableConsideration us-gaap:CounterpartyName

blue:CollaborativeArrangementEstimatedVariableConsideration

blue:BristolMyersSquibb


Collaborative
Period End2021-06-30
Value1.8
Percentage of CollaborativeArrangementEstimatedVariableConsideration100.0

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blue:BristolMyersSquibb, blue:PhaseIAdditionalObligation


Collaborative
Period End2021-06-30
Value27
Percentage of CollaborativeArrangementEstimatedVariableConsideration1516.7

blue:BristolMyersSquibb, us-gaap:ResearchAndDevelopmentArrangement


Collaborative
Period End2021-06-30
Value5.4
Percentage of CollaborativeArrangementEstimatedVariableConsideration300.0

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blue:BristolMyersSquibb, blue:ManufacturingServices


Collaborative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.8031.8031.8031.8032626
Percentage of CollaborativeArrangementEstimatedVariableConsideration0.00.00.00.00.00.0

blue:BristolMyersSquibb, blue:VectorsAndAssociatedPayload


Collaborative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value838383838787
Percentage of CollaborativeArrangementEstimatedVariableConsideration0.00.00.00.00.00.0

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blue:CollaborativeArrangementTransactionPrice

blue:BristolMyersSquibb


Collaborative
Period End2021-06-30
Value31
Percentage of CollaborativeArrangementTransactionPrice100.0

blue:CollaborativeArrangementTransactionPrice us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType

blue:BristolMyersSquibb, us-gaap:ResearchAndDevelopmentArrangement


Collaborative
Period End2020-12-31
Value40
Percentage of CollaborativeArrangementTransactionPrice0.0

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blue:BristolMyersSquibb, blue:BbTwoOneTwoOneSevenLicenseAndManufacturingServices


Collaborative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value272727273636
Percentage of CollaborativeArrangementTransactionPrice0.00.00.00.00.00.0

blue:BristolMyersSquibb, blue:BbTwoOneTwoOneSevenTransactionPrice


Collaborative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value323232324141
Percentage of CollaborativeArrangementTransactionPrice0.00.00.00.00.00.0

blue:BristolMyersSquibb, blue:IdeCelLicenseAndManufacturingServices


Collaborative
Period End2021-03-312020-12-312020-03-312019-12-31
Value347347166166
Percentage of CollaborativeArrangementTransactionPrice0.00.00.00.0

blue:BristolMyersSquibb, blue:IdeCelManufacturingServices


Collaborative
Period End2020-09-302020-06-302020-03-312019-12-31
Value346346166166
Percentage of CollaborativeArrangementTransactionPrice0.00.00.00.0

blue:BristolMyersSquibb, blue:IdeCelTransactionPrice


Collaborative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value387387387387207207
Percentage of CollaborativeArrangementTransactionPrice0.00.00.00.00.00.0

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blue:ContractWithCustomerDevelopmentMilestonePaymentReceivable

blue:BristolMyersSquibb, blue:IdeCelCoDevelopmentCoPromoteAndProfitShareAgreement


Contract
Period End2020-12-312020-03-312019-12-31
Value38710.010.0
Percentage of ContractWithCustomerDevelopmentMilestonePaymentReceivable100.0100.0100.0

blue:ContractWithCustomerMilestoneAndRoyaltyObligationBuyOut us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

blue:ContractWithCustomerMilestoneAndRoyaltyObligationBuyOut

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Contract
Period End2021-03-312020-12-312020-09-302020-06-302020-05-31
Value184184184184200
Percentage of ContractWithCustomerMilestoneAndRoyaltyObligationBuyOut100.0100.0100.0100.0100.0

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blue:ContractWithCustomerOptionFeeReceivableUponNonExerciseOfOption

blue:BristolMyersSquibb, country:US, blue:BBTwoOneTwoOneSevenLicenseAgreement


Contract
Period End2021-06-30
Value10000000.0
Percentage of ContractWithCustomerOptionFeeReceivableUponNonExerciseOfOption100.0

blue:DeferredTaxAssetsCapitalizedLicenseFeeAndResearchAndDevelopmentExpenses

blue:DeferredTaxAssetsCapitalizedLicenseFeeAndResearchAndDevelopmentExpenses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value14161813
Percentage of DeferredTaxAssetsCapitalizedLicenseFeeAndResearchAndDevelopmentExpenses100.0100.0100.0100.0

blue:DeferredTaxAssetsLeaseLiabilities

blue:DeferredTaxAssetsLeaseLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value48520.0
Percentage of DeferredTaxAssetsLeaseLiabilities100.0100.00.0

blue:DeferredTaxAssetsStockBasedCompensation

blue:DeferredTaxAssetsStockBasedCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value51463119
Percentage of DeferredTaxAssetsStockBasedCompensation100.0100.0100.0100.0

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blue:EquitySecuritiesUnrealizedLoss


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.6851.598141610117.1470.0
Percentage of EquitySecuritiesUnrealizedLoss100.0100.0100.0100.0100.0100.0100.00.0

blue:JointResearchActivitiesRemainingToBeRecognized us-gaap:CounterpartyName

blue:JointResearchActivitiesRemainingToBeRecognized

blue:RegeneronPharmaceuticalsIncorporation


Joint
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value272930323435383944
Percentage of JointResearchActivitiesRemainingToBeRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0

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blue:LesseeOperatingLeaseMaximumPotentialAnnualMaintenanceFees

us-gaap:ManufacturingFacility


Lessee
Period End2020-07-31
Value5400000.0
Percentage of LesseeOperatingLeaseMaximumPotentialAnnualMaintenanceFees100.0

blue:MarketableSecuritiesAmortizedCost

blue:MarketableSecuritiesAmortizedCost


Marketable
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
Value58965597011284076819151110126115091488859
Percentage of MarketableSecuritiesAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:MarketableSecuritiesUnrealizedGains

blue:MarketableSecuritiesUnrealizedGains


Marketable
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
Value179000.0419000.0735000.01620000.02914000.03354000.02838000.03317000.03717000.01685000.03113000.01000.0
Percentage of MarketableSecuritiesUnrealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:MarketableSecuritiesUnrealizedLoss

blue:MarketableSecuritiesUnrealizedLoss


Marketable
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
Value1.7251.654141610127.2387.8964.5652.3533.0113.579
Percentage of MarketableSecuritiesUnrealizedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blue:OperatingLossCarryforwardsWithExpirationDates

blue:OperatingLossCarryforwardsWithExpirationDates


Operating
Period End2020-12-31
Value711
Percentage of OperatingLossCarryforwardsWithExpirationDates100.0

blue:OperatingLossCarryforwardsWithoutExpirationDates

blue:OperatingLossCarryforwardsWithoutExpirationDates


Operating
Period End2020-12-31
Value1320
Percentage of OperatingLossCarryforwardsWithoutExpirationDates100.0

blue:ReceivablesAndOtherCurrentAssets

blue:ReceivablesAndOtherCurrentAssets


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value16242627241612132119135.9014.713148.377
Percentage of ReceivablesAndOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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blue:ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInSharesAuthorized

blue:EmployeeStockPurchasePlanAndOther


Share
Period End2021-06-30
Value1400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInSharesAuthorized100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesAndOtherLiabilities


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value16814614513813511814199
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value1982000.01993000.01541000.01697000.01847000.02604000.01827000.01921000.01497000.01906000.01830000.02177000.01748000.01599000.01402000.01391000.01416000.01393000.01492000.02103000.01861000.0914000.01014000.01063000.01090000.0428000.0305000.0688000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3134133232651208344324312296233370936333329758227686209278
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value62868095011723906739131093124414971520106211231237855915510590605
Percentage of AssetsFairValueDisclosure200.4164.5294.0441.032.3195.2282.0349.4419.2641.5410.1113.5336.4375.7112.8402.874.4282.1217.3

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9411093127414371598101812371405154117301891199914571566161411421197799884
Percentage of AssetsFairValueDisclosure300.4264.5394.0541.0132.3295.2382.0449.4519.2741.5510.1213.5436.4475.7212.8502.8174.4382.1317.3

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:CommercialPaper


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value1000.02000.0000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.00.00.00.0

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value41000.0163000.0432000.01079000.01620000.0613000.0824000.0826000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.043200.053950.00.00.00.00.0

us-gaap:USTreasuryAndGovernment


Available
Period 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
Value138000.0256000.0302000.0539000.01294000.02741000.02014000.02491000.03084000.01604000.0963000.01000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.030200.026950.00.00.00.00.00.00.00.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value27000.040000.040000.058000.001110000.043000.073000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value13000.016000.074000.0223000.05000.015000.048000.0195000.0519000.01400000.03011000.04705000.03579000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax48.140.0185.0384.50.01.4111.6267.10.00.00.00.00.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value10278779134757443
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value136142197237151207185174
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis132.2180.8252.9258.7433.3274.6249.8399.5

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3464296757782013776338701060135714591042841
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis336.4543.4866.0847.0576.6499.1852.41996.60.00.00.00.00.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper


Available
Period End2020-12-312019-12-31
Value7774
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateBondSecurities


Available
Period End2020-12-312019-12-31
Value197186
Percentage of AvailableForSaleSecuritiesDebtSecurities253.4250.9

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasuryAndGovernment


Available
Period End2020-12-312019-12-31
Value675635
Percentage of AvailableForSaleSecuritiesDebtSecurities866.3855.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper


Available
Period End2020-12-312019-12-31
Value7774
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateBondSecurities


Available
Period End2020-12-312019-12-31
Value197186
Percentage of AvailableForSaleSecuritiesDebtSecurities253.4250.9

us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasuryAndGovernment


Available
Period End2020-12-312019-12-31
Value675635
Percentage of AvailableForSaleSecuritiesDebtSecurities866.3855.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value10278779134757443
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.0100.00.00.00.0100.00.0

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value136142197238152207186174
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.0253.40.00.00.0250.90.0

us-gaap:USTreasuryAndGovernment


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3464296757792023806358731063135714571037838
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.0866.30.00.00.0855.00.00.00.00.00.00.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

blue:Pregenen


Business
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-06-30
Value120120120120120120120120120120120129129129129134134135
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-06-302018-03-312017-12-312017-09-302016-12-31
Value1925000.01878000.01509000.02386000.03214000.07977000.03027000.02765000.02231000.02961000.07756000.0
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-06-302018-03-312017-12-312017-09-302016-12-31
Value1925000.01878000.01509000.02386000.03214000.07977000.03027000.02765000.02231000.02961000.07756000.0
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1509000.04869000.07977000.06542000.05740000.05526000.05230000.03074000.02231000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1509000.04869000.07977000.06542000.05740000.05526000.05230000.03074000.02231000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3104103172611198336311300280214348936333329758227686209278
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302018-03-312017-09-302017-03-31
Value4228620.09.999157.3925315127106.692
Percentage of CashAndCashEquivalentsFairValueDisclosure13.77.123.70.03.05.13.415.51.738.64.73.2

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3534393173241198346327300280221402952333456758237686216278
Percentage of CashAndCashEquivalentsFairValueDisclosure113.7107.1100.0123.7100.0103.0105.1100.0100.0103.4115.5101.7100.0138.6100.0104.7100.0103.2100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2020-12-312019-12-312018-12-312017-12-31
Value317327402758
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value108.7647.2045.975.4334.4724.8055.296
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:AwardType

us-gaap:EmployeeStockOption


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6.2625.4834.6433.7553.7353.5323.652
Percentage of CommonStockCapitalSharesReservedForFutureIssuance60.462.664.562.968.779.076.0

us-gaap:RestrictedStockUnitsRSU


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1.4951.1270.9310.4770.2630.1480.179
Percentage of CommonStockCapitalSharesReservedForFutureIssuance14.412.912.98.04.83.33.7

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:PlanName

blue:TwoThousandThirteenEmployeeStockPurchasePlanESPP


Common
Period End2020-12-312019-12-31
Value0.0670.147
Percentage of CommonStockCapitalSharesReservedForFutureIssuance0.61.7

blue:TwoThousandThirteenStockOptionAndIncentivePlan


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2.5452.0071.4581.551.2260.5650.465
Percentage of CommonStockCapitalSharesReservedForFutureIssuance24.522.920.226.022.612.69.7

us-gaap:ContractWithCustomerAssetNet us-gaap:CounterpartyName

us-gaap:ContractWithCustomerAssetNet

blue:BristolMyersSquibb


Contract
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value400000.05600000.04000000.02400000.0400000.06528000.0
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability us-gaap:CounterpartyName

us-gaap:ContractWithCustomerLiability

blue:BristolMyersSquibb


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2525262629161834
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

blue:BristolMyersSquibb, blue:LicenseAndManufacturingServices, blue:BbTwoOneTwoOneSevenLicenseAndManufacturingServices


Contract
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value252525259.89.89.8
Percentage of ContractWithCustomerLiability100.197.196.286.960.753.728.0

blue:BristolMyersSquibb, blue:LicenseAndManufacturingServices, blue:IdeCelLicenseAndManufacturingServices


Contract
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.00.81.13.96.48.523
Percentage of ContractWithCustomerLiability0.03.04.113.139.646.565.8

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-01-012017-12-31
Value25252525259.7919.7911113141622273121
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.20513104079157229411315392134
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


Debt
Period End2020-12-312020-09-302020-03-312019-12-31
Value1.2052.5030.00.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.019.30.00.0

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2020-09-302020-06-302020-03-312019-12-31
Value10104079
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger80.7100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


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
Value2000.05000.015000.0100000.0100000.0500000.01300000.02100000.02900000.0400000.0300000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2020-09-302020-06-302020-03-312019-12-31
Value2000.05000.015000.045000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.045.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1111412874300.0107679352189787640704
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-31
Value8592766710253
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months76.665.526.615.695.380.3

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value25482113630.05.013
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months23.434.573.484.40.04.719.7

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


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
Value40000.056000.0114000.0279000.001110000.0100000.0100000.0100000.0100000.0900000.01800000.04300000.03300000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-31
Value27000.040000.040000.058000.01110000.043000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss67.571.435.120.8100.043.0

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value13000.016000.074000.0221000.0003000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss32.528.664.979.20.00.03.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value11114128944310147146
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-31
Value8592776910253
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition76.665.526.915.769.136.8

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2548211373104592
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition23.434.573.184.3100.030.963.2

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value40000.056000.0114000.0281000.05000.01125000.091000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-31
Value27000.040000.040000.058000.01110000.043000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss67.571.435.120.698.747.3

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value13000.016000.074000.0223000.05000.015000.048000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss32.528.664.979.4100.01.352.7

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value15152112181612210.267
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312019-01-012018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value9377995.3588419303177784329
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value546439298194106
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2462131671318747233.6381.91
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value14158.8862532197.5524.1770.289
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1.4992.5183.5794.5678.1299.60611
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value45490.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.00.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7.5762.67414248262.5262.596
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value714555493924443322162821131019128.7086.251118.925.784.3945.9355.3583.9374.9431.740.911
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2021-06-302021-03-312020-09-30
Value193252281
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

blue:EmployeeAndNonEmployeeStockOption


Employee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value146208350372375199286298295941221281216989971058097
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blue:EmployeeStockPurchasePlan


Employee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.40.13503723750.12862982950.11221281210.189971050.19780
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value8910535037237576286298295311221281211189971056.29780783.94.638
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNiCost

us-gaap:EquitySecuritiesFvNiCost


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.3054.305202020202020202020
Percentage of EquitySecuritiesFvNiCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-31
Value252016
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

blue:DevelopedTechnology


Finite
Period End2020-12-312019-12-312018-12-31
Value242016
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization96.798.6100.0

blue:InLicensedRights


Finite
Period End2020-12-312019-12-312018-12-31
Value0.8270.3040.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.31.40.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value1786000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value4285000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value522000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value522000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value522000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value2404000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-31
Value353530
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

blue:InLicensedRights


Finite
Period End2020-12-312019-12-312018-12-31
Value5.2245.2240.0
Percentage of FiniteLivedIntangibleAssetsGross14.814.80.0

us-gaap:InterestReceivable

us-gaap:InterestReceivable


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-31
Value1900000.02200000.03100000.03300000.01700000.02900000.03600000.03600000.0
Percentage of InterestReceivable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-31
Value1212000.01187000.01731000.0
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-31
Value12168.967
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0

us-gaap:InvestmentsAndCash

us-gaap:InvestmentsAndCash


Investments
Period End2021-06-302021-03-312020-12-312020-09-30
Value941109012701440
Percentage of InvestmentsAndCash100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value36
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1925000.01878000.01509000.02386000.03214000.04869000.07977000.06542000.05740000.05526000.05230000.03074000.03027000.02765000.02231000.02961000.03219000.09189000.07756000.0
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1925000.01878000.01509000.02386000.03214000.04869000.07977000.06542000.05740000.05526000.05230000.03074000.03027000.02765000.02231000.02961000.03219000.09189000.07756000.0
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecurities

us-gaap:MarketableSecurities


Marketable
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
Value58865395611134006719101105126015091488855
Percentage of MarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value102787791347574436242
Percentage of MarketableSecurities17.512.18.28.38.711.38.23.95.02.8

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateBondSecurities


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value13614219723815220718617411483
Percentage of MarketableSecurities23.121.920.721.538.230.820.515.89.15.5

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasuryAndGovernment


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value346429675779202380635873106313571457103711111096838886507580599
Percentage of MarketableSecurities58.965.770.670.050.756.669.879.084.390.097.90.00.00.098.00.00.00.00.0

us-gaap:MarketableSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value102787791347574436242
Percentage of MarketableSecurities17.512.18.28.38.711.38.23.95.02.8

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateBondSecurities


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value13614219723815220718617411483
Percentage of MarketableSecurities23.121.920.721.538.230.820.515.89.15.5

us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasuryAndGovernment


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value346429675779202380635873106313571457103711111096838886507580599
Percentage of MarketableSecurities58.965.770.670.050.756.669.879.084.390.097.90.00.00.098.00.00.00.00.0

us-gaap:MarketableSecuritiesNoncurrent

us-gaap:MarketableSecuritiesNoncurrent


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value101811222074910713122528740850638044432441310116518012620327334719412513418
Percentage of MarketableSecuritiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value202916201096716466347130306242
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value189015601082692456335115135231
Percentage of OperatingLossCarryforwards93.196.398.796.897.996.488.843.883.573.8

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value33423735394032262523192424282113158.738.209
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PurchaseObligation

us-gaap:PurchaseObligation


Purchase
Period End2020-12-31
Value96
Percentage of PurchaseObligation100.0

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:PurchaseObligationDueInNextTwelveMonths


Purchase
Period End2020-12-31
Value83
Percentage of PurchaseObligationDueInNextTwelveMonths100.0

us-gaap:PurchaseObligationDueInSecondYear

us-gaap:PurchaseObligationDueInSecondYear


Purchase
Period End2020-12-31
Value12
Percentage of PurchaseObligationDueInSecondYear100.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2020-12-312019-12-312018-12-312017-12-312013-09-302013-06-302012-12-31
Value565414131.4031.5030.25
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents us-gaap:CreditFacility

us-gaap:LetterOfCredit


Restricted
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value545414131410.01.21.4
Percentage of RestrictedCashAndCashEquivalents97.3100.099.9100.30.00.00.00.0

us-gaap:RestrictedCashAndCashEquivalents us-gaap:PropertyPlantAndEquipmentByType

blue:FiftyBinneyStreetLease


Restricted
Period End2020-12-312019-12-312018-12-31
Value40400.0
Percentage of RestrictedCashAndCashEquivalents71.573.50.0

blue:Other


Restricted
Period End2020-12-312019-12-31
Value2.1880.66
Percentage of RestrictedCashAndCashEquivalents3.91.2

blue:SixtyBinneyStreetLease


Restricted
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value13131313139.2
Percentage of RestrictedCashAndCashEquivalents24.625.394.8100.00.00.0

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedCashCurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2687000.01330000.01500000.0000100000.0100000.0100000.0364000.0100000.0100000.0100000.00
Percentage of RestrictedCashCurrent100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestrictedCashNoncurrent

us-gaap:RestrictedCashNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value545454545454545454141413131313
Percentage of RestrictedCashNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

us-gaap:RevenueRemainingPerformanceObligation

blue:BristolMyersSquibb, blue:LicenseAndManufacturingServices, blue:BbTwoOneTwoOneSevenLicenseAndManufacturingServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value272727273636
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0

blue:BristolMyersSquibb, blue:LicenseAndManufacturingServices, blue:IdeCelLicenseAndManufacturingServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.01.11.45.21317
Percentage of RevenueRemainingPerformanceObligation0.04.05.119.037.049.2

us-gaap:RevenueRemainingPerformanceObligation us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

blue:BristolMyersSquibb, blue:BbTwoOneTwoOneSevenLicenseAndManufacturingServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value272727273636
Percentage of RevenueRemainingPerformanceObligation100.1100.1100.1100.1100.1100.1

blue:BristolMyersSquibb, blue:BbTwoOneTwoOneSevenTransactionPrice


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value272727273636
Percentage of RevenueRemainingPerformanceObligation100.1100.1100.1100.1100.1100.1

blue:BristolMyersSquibb, blue:IdeCelLicenseAndManufacturingServices


Revenue
Period End2020-12-31
Value1.082
Percentage of RevenueRemainingPerformanceObligation4.0

blue:BristolMyersSquibb, blue:IdeCelManufacturingServices


Revenue
Period End2020-09-302020-06-302020-03-312019-12-31
Value1.3995.1511317
Percentage of RevenueRemainingPerformanceObligation5.118.936.949.2

blue:BristolMyersSquibb, blue:IdeCelTransactionPrice


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.0821.3995.1511317
Percentage of RevenueRemainingPerformanceObligation4.05.118.936.949.2

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1865000.02073000.01495000.01519000.01593000.01585000.01127000.01128000.01103000.01128000.0931000.0934000.0931000.0920000.0477000.0456000.0460000.0426000.0263000.0254000.0338000.0320000.0148000.0149000.0203000.0179000.0179420.0184000.027000.048000.069000.089000.0110000.0155000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:Range, us-gaap:AwardType

srt:Maximum, blue:PerformanceAndServiceConditionBasedRestrictedStockUnit


Share
Period End2020-12-31
Value100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber6.7

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value59.0267.48102.34105.05106.81117.15146.1149.4150.67152.49155.99155.94154.73151.9480.7275.4173.4571.9263.0762.2354.2658.265.7964.1148.7730.4730.4730.470.950.950.950.950.950.95
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value3900000.03500000.02600000.02500000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value3854000.03829000.03669000.03611000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value110.83111.17107.11104.72
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-31
Value15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2020-12-31
Value15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value6099000.06458000.06262000.06363000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value97.93100.08105.02106.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value15
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

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

us-gaap:TaxCreditCarryforwardAmount

us-gaap:DomesticCountry, us-gaap:Research


Tax
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2352031561248344222.71.3
Percentage of TaxCreditCarryforwardAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StateAndLocalJurisdiction, us-gaap:Research


Tax
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1413149.16.03.82.01.40.9
Percentage of TaxCreditCarryforwardAmount6.26.79.27.37.28.59.151.969.2

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components