CRSP


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

Table of contents



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

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized
us-gaap:StatutoryAccountingPracticesByJurisdiction

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:Revenues

us-gaap:OperatingExpenses

us-gaap:ResearchAndDevelopmentExpense
us-gaap:CounterpartyName
us-gaap:TypeOfArrangement

us-gaap:GeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ProfitLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:MarketableSecuritiesCurrent

us-gaap:AccountsReceivableNetCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent
us-gaap:CounterpartyName

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:Range, us-gaap:StatementScenario, us-gaap:TypeOfArrangement
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
us-gaap:Range, us-gaap:TypeOfArrangement

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
crsp:CollaborativeArrangementLicenseRightsReacquiredByWaivingPaymentOwed
us-gaap:StatementScenario, us-gaap:SubsidiarySaleOfStock
crsp:EquityIssuanceCosts
us-gaap:SubsidiarySaleOfStock
crsp:EquityIssuanceCostsAndStampTax

crsp:EquityIssuanceCostsInAccountsPayableAndAccruedExpenses
us-gaap:CounterpartyName, us-gaap:ProductOrService
crsp:EstimatedStandaloneSellingPriceForSingleCollaboration
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:TypeOfArrangement

crsp:IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities
us-gaap:CounterpartyName
crsp:NonRefundableUpFrontPaymentReceived
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
crsp:NumberOfOptionsExercisedUnderAgreement
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
crsp:NumberOfOptionsWouldNotBeExercisedUnderAgreement
us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement
crsp:PaymentsOfStampTaxesRelatedToSecurities
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
crsp:PercentageOfExchangePaymentOfResearchAndDevelopmentCosts
us-gaap:CounterpartyName
crsp:ResearchAndDevelopmentContractArrangementReimbursementsReceived

crsp:StockPurchasedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
crsp:UpFrontPaymentReceived
us-gaap:CounterpartyName, us-gaap:IncomeStatementLocation
crsp:VariableConsiderationReceived
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:IncomeStatementLocation
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:IncomeStatementLocation, us-gaap:TypeOfArrangement
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:Depreciation

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherNonoperatingIncome
us-gaap:StatementEquityComponents
us-gaap:PaymentsOfStockIssuanceCosts
us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement

us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:StatementScenario, us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementScenario, us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued
us-gaap:StatementEquityComponents
us-gaap:SubsidiarySaleOfStock
crsp:AccruedEquityIssuanceCostsAndStampTaxes

crsp:AccruedExpensesAndOtherCurrentLiabilitiesFairValueDisclosure

crsp:AccruedIntellectualPropertyCostsCurrent

crsp:AccruedLicenseFeesCurrent

crsp:AccruedPropertyAndEquipment

crsp:AccruedResearchAndDevelopmentExpenseCurrent
us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement
crsp:AccruedStampTaxes

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesAmortizedCostBasis

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesFairValue

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedGainsBeforeTax

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedLossesBeforeTax

crsp:CashEquivalentsFairValue
us-gaap:FinancialInstrument
us-gaap:InvestmentType

crsp:CashEquivalentsGrossUnrealizedLossesBeforeTax
us-gaap:FinancialInstrument
us-gaap:InvestmentType
crsp:CommonStockConditionalCapital
us-gaap:PlanName

crsp:CommonStockRegisteredShareCapital
us-gaap:CounterpartyName
crsp:MilestonePaymentReceivable
us-gaap:CounterpartyName, us-gaap:StatementScenario, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:ProductOrService
crsp:MilestonePaymentReceivableInclusiveOfExerciseOfEachExclusiveOption

crsp:OperatingLeaseAssetsFairValueDisclosure

crsp:OperatingLeaseLiabilitiesFairValueDisclosure

crsp:PrepaidExpensesAndOtherCurrentAssetsFairValueDisclosure

crsp:RestrictedCashFairValueDisclosure

us-gaap:AccruedProfessionalFeesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:InvestmentType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:CreditFacility
us-gaap:CashCollateralForBorrowedSecurities

us-gaap:CashEquivalentsAtCarryingValue
us-gaap:FinancialInstrument
us-gaap:InvestmentType
us-gaap:CounterpartyName, us-gaap:FairValueByAssetClass
us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:CounterpartyName
us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
us-gaap:ContractualObligation

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

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

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:Ownership
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
us-gaap:EquityMethodInvestmentsFairValueDisclosure

us-gaap:FairValueNetAssetLiability

us-gaap:MarketableSecurities

us-gaap:PropertyPlantAndEquipmentFairValueDisclosure

us-gaap:RestrictedCashNoncurrent
us-gaap:CounterpartyName
us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:TreasuryStockShares

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Property Plant And Equipment Net
Current Assets
Accounts Receivable Net Current
NonCurrent Assets
Finite Lived Intangible Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Other Accrued Liabilities Current
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Treasury Stock Shares

Tables

  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:CommonStockValue █▇▇▇▆▆▆▆▆▅▅▅▅▅▅▅▁2.1571.91.851.8471.6841.631.5891.5841.5751.4351.4231.241.2341.2261.2161.2160.174NANA0.181
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNA62.55250560.89003560.78379955.1893753.49905752.63564551.85286251.55447947.07183546.68081540.592248NANANA39.719434NANANA5.528079
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:TreasuryStockNA0.1953160.2323960.2502260.2569890.2569890.3079360.3079360.3079360.4093610.438620.444873NANANA0.444873NANANANA
us-gaap:CommonStockSharesIssued NA62.74782161.12243161.03402555.44635953.75604652.94358152.16079851.86241547.48119647.11943541.03712140.82672740.484288NA40.1643075.662126NANA5.528079
us-gaap:CommonStockSharesAuthorized NA115.172786103.901006103.90100655.67708855.44524153.32596352.18313951.89313247.52029247.16690741.09296940.89095440.556891NA40.2536745.662126NANA5.528079
 us-gaap:CommonStockSharesAuthorized us-gaap:StatutoryAccountingPracticesByJurisdiction crsp:SwissLawNA28.51828319.24650319.24625.13400325.13400317.75679917.756799NANANA11.799005NANANANANANANANA
us-gaap:CommonStockSharesOutstanding NA62.55250560.89003560.78379955.1893753.49905752.63564551.85286251.55447947.07183546.68081540.59224840.38185440.039415NA39.7194345.307845NANA5.528079
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 70.143481NANA60.23392757.59890153.18804152.09320851.68838347.39198846.84231645.87742841.63584340.08871839.89593839.72594734.9892185.2923485.4488555.528079NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 70.143481NANA57.39583954.82905753.18804152.09320851.68838347.39198846.84231645.87742840.50989740.08871839.89593839.72594732.9873355.2923485.4488555.528079NA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NA61.42074660.847683NANA53.18804152.093208NA47.39198846.84231645.877428NA40.08871839.89593839.725947NA5.2923485.4488555.5280795.528079
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NANA9.462375NA2.769844NA8.377878NA6.877463NA6.685592NANANA4910.878NA31327.572NA27157.351NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities crsp:UnvestedRestrictedCommonSharesNANA0.96706NA0.15749NA0.345296NA0.178884NA0.147472NANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOptionNANA8.495315NA2.612354NA8.032582NA6.698579NA6.63812NANANA4829.891NA3765.927NA2384.908NA
us-gaap:EarningsPerShareBasic -1.32NANA0.532.52-1.01-0.93-0.92-1.07-0.82-0.620.0-0.62-0.56-0.540.43-2.77-3.15-1.53NA
us-gaap:EarningsPerShareDiluted -1.32NANA0.512.4-1.01-0.93-0.92-1.07-0.82-0.620.0-0.62-0.56-0.540.4-2.77-3.15-1.53NA
us-gaap:EarningsPerShareBasicAndDiluted NA-1.3-1.15NANA-1.01-0.93-0.9300000000000002-1.07-0.82-0.620.010000000000000009-0.62-0.56-0.545.54-2.77-3.15-1.53-2.22
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▁▄█▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁0.1480.0440.15777.016211.9280.3180.3280.1150.5631.0881.35832.3252.3873.5822.7032.3441.5490.7950.4760.247
us-gaap:Revenues ▁▁▁▄█▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁0.1480.0440.15777.016211.9280.3180.3280.1150.5631.0881.35832.3252.3873.5822.7032.3441.5490.7950.4760.247
us-gaap:OperatingExpenses █▇▆▆▆▅▄▄▄▃▂▃▂▂▂▂▁▁▁▁92.54780.73373.74366.03372.76555.30148.75145.34349.99538.37428.35531.35325.95724.88823.44727.65416.15917.35312.12812.413
us-gaap:ResearchAndDevelopmentExpense █▇▆▆▇▅▄▃▅▃▂▃▂▂▂▂▂▁▁▁71.00859.3854.19348.76157.24639.53333.82228.80139.8225.63319.51920.0317.84517.1214.80515.57212.0528.6026.0126.174
us-gaap:GeneralAndAdministrativeExpense ██▇▆▆▆▅▆▃▄▃▄▃▂▃▄▁▃▂▂21.53921.35319.5517.27215.51915.76814.92916.54210.17512.7418.83611.3238.1127.7688.64212.0824.1078.7516.1166.239
us-gaap:OperatingIncomeLoss ▁▁▂▄█▂▂▂▂▃▃▄▃▃▃▃▃▃▃▃-92.399-80.689-73.58610.983139.163-54.983-48.423-45.228-49.432-37.286-26.9970.972-23.57-21.306-20.744-25.31-14.61-16.558-11.652-12.166
us-gaap:AllocatedShareBasedCompensationExpense █▇▇▆▇▆▅▇▄▅▃▄▃▂▂▂▂▂▁▁17.2415.69714.15111.83314.77312.19810.69614.0449.0679.4776.6737.4325.2274.2313.7464.0282.2933.5011.0221.176
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▁▂▅█▂▂▂▂▃▃▄▃▃▃▄▃▃▄▃-92.239-79.277-69.35430.546138.697-53.614-48.323-47.356-50.574-38.284-28.2140.56-24.0-21.972-21.19617.498-14.686-17.164-8.366-12.216
us-gaap:NonoperatingIncomeExpense ▁▂▂▄▁▂▁▁▁▁▁▁▁▁▁█▁▁▂▁0.161.4124.23219.563-0.4661.3690.1-2.128-1.142-0.998-1.217-0.412-0.43-0.666-0.45242.808-0.076-0.6063.286-0.05
us-gaap:IncomeTaxExpenseBenefit ▃▅▅▁▄▂▂▃▂▂▂▅█▄▄▅▁▁▂▂0.20.3790.3770.0040.2740.0850.0850.2340.1370.0960.0860.4190.7070.3430.2790.40.0080.00.0760.07
us-gaap:ProfitLoss ▁▁▂▅█▂▂▂▂▃▃▄▃▃▃▄▃▃▄▃-92.439-79.656-69.73130.542138.423-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517.098-14.694-17.164-8.442-12.286
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax █▄▁█▃▃▅▃▃▂▆▄▅▅▇▄▄▂▄▄0.031-0.003-0.0250.029-0.012-0.010.008-0.007-0.006-0.0210.0120.0020.0080.0060.0240.0-0.001-0.013-0.004-0.004
us-gaap:NetIncomeLoss ▁▁▂▅█▂▂▂▂▃▃▄▃▃▃▄▃▃▄▃-92.439-79.656-69.73130.542138.423-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517.099-14.68-17.157-8.439-12.27
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▅█-92.439-79.656-69.731NA138.423-53.699-48.408NA-50.711-38.38-28.3NANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▁▁▂▅█▂▂▂▂▃▃▄▃▃▃▄▃▃▄▃-92.552-79.659-69.75630.571138.411-53.709-48.4-47.597-50.717-38.401-28.2880.143-24.699-22.309-21.45117.098-14.695-17.177-8.446-12.29
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:Assets █▅▅▆▄▂▂▂▂▁▂▁▁▁▁▁▁1485.0181046.5321007.31066.752720.59494.245497.873489.016518.903353.13374.452271.346282.319304.975322.346344.962278.653NANA159.423
us-gaap:Liabilities ▇▆▅▅▅▅▄▂▃▁▁▁▃▃▃▄█141.717135.862121.203127.327128.712126.562118.06396.821101.58987.97684.11783.514103.361107.172107.171112.116155.62NANA124.026
us-gaap:LiabilitiesAndStockholdersEquity █▅▅▆▄▂▂▂▂▁▂▁▁▁▁▁▁1485.0181046.5321007.31066.752720.59494.245497.873489.016518.903353.13374.452271.346282.319304.975322.346344.962278.653NANA159.423
us-gaap:StockholdersEquity █▆▆▆▄▃▃▃▃▃▃▂▂▂▂▂▁1343.301910.67886.097939.425591.878367.683379.81392.195417.314265.154290.335187.832178.958197.803215.175232.846-62.481NANA-29.097
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:AssetsCurrent █▅▅▆▄▂▂▂▃▂▂▁▁▁▁▂▁1390.939965.618929.282987.547664.065438.473449.796466.395496.688330.549351.478248.385258.586281.285296.462320.188231.651NANA156.84
us-gaap:CashAndCashEquivalentsAtCarryingValue █▇▇▇▅▃▃▃▄▂▂▂▂▂▂▂▂▂▁▁1041.417945.068889.712943.771629.717427.885437.549456.649487.295319.737341.767239.758253.519272.264288.872315.52228.613246.849200.6155.961
us-gaap:MarketableSecuritiesCurrent 324.573NANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▁▁█▁▁▁▁▁▁▁▁▂▂▃▃▂▂0.110.03325.1170.0990.0390.3210.3310.0880.5520.9441.262.6263.2116.8145.6723.1572.092NANA0.339
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▅▄▃█▆▃▃▂▂▂▂▂▁▁▁▁▁24.83920.51714.45343.67734.30910.26711.9169.6588.8419.8688.4516.0011.8562.2071.9181.5110.946NANA0.54
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:PropertyPlantAndEquipmentGross █▇▇▆▅▄▄▄▄▄▄▃▃▃▄▃▁56.54750.74645.89643.37631.70229.51427.21725.87524.54123.9723.6322.76822.68222.26723.81221.9694.406NANA1.4
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▆▅▅▄▄▄▃▃▃▂▂▂▁▁▁18.62316.30214.12312.04610.6289.3588.3467.3756.4445.5754.7233.9113.1182.341.6470.9420.544NANA0.072
us-gaap:PropertyPlantAndEquipmentNet █▇▇▇▅▄▄▄▄▄▄▄▄▄▅▅▁37.92434.44431.77331.3321.07420.15618.87118.518.09718.39518.90718.85719.56419.92722.16521.0273.862NANA1.328
us-gaap:FiniteLivedIntangibleAssetsNet ▁▁▂▂▃▃▄▄▅▅▆▆▇▇██0.1940.2080.2210.2350.2490.2620.2760.2890.3030.3170.3310.3440.3580.3720.3850.399NANANA0.454
us-gaap:OperatingLeaseRightOfUseAsset ▇▇▇█▃▃▁38.45439.29740.32141.50230.61930.7725.098NANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂▂▂▃▂▂▂▂▂▂▂▂▂▁▁▁█0.6620.6620.6621.0970.6680.6690.6690.6690.650.7040.5710.6060.6570.2370.1830.1983.888NANA0.101
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:LiabilitiesCurrent █▇▅▅█▃▃▃▃▂▁▁▁▁▁▂▇84.14974.50555.08657.10679.77931.41228.39827.74632.27818.48114.39514.51112.11715.81416.91521.99878.097NANA10.155
us-gaap:AccountsPayableCurrent █▆▅▃▂▃▃▂▂▂▁▁▁▁▂▂▁19.0213.21911.2775.9443.3747.1437.1315.0695.2214.4792.5461.6392.1162.5593.9374.5691.943NANA1.584
us-gaap:OtherAccruedLiabilitiesCurrent ▁▇▄▁▁▁▁▃█▁▁▂▁▂▂▅▂0.0381.6630.7580.0090.0150.1110.0680.5981.9970.030.0310.2410.1160.1670.2581.0790.172NANA0.688
us-gaap:TaxesPayableCurrent █▃▁▂▃▂▂▁▁▁▁▁▁▁▁▁▁6.3481.5070.2840.5831.4780.5420.6150.4020.0240.0470.4330.3470.4270.2720.190.0230.082NANA0.081
us-gaap:AccruedLiabilitiesCurrent ██▄▆▄▄▃▄▅▂▁▂▁▂▂▃▂35.44536.68521.92430.1822.39718.62815.6820.85225.83512.70210.22711.3618.48511.88811.69916.3212.402NANA8.43
us-gaap:OperatingLeaseLiabilityCurrent █▇▆▅▁▁▁10.649.9069.0058.4894.8054.884.899NANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▆█▅▁12.08612.42911.79310.95NA0.2190.0730.2210.1710.2260.1620.1370.0620.0680.0620.0590.062NANA0.06
us-gaap:ContractWithCustomerLiabilityCurrent ▁▁▁▁█0.610.7590.8030.9647.725NANA0.102NANANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:OtherLiabilitiesNoncurrent ▄▅▇█▁▁▁▁▁▁▁▁▁▁▁▁▁7.2229.26411.95114.3950.2350.220.1820.2430.2730.2830.2980.3140.1750.1980.1770.1890.574NANA0.445
us-gaap:OperatingLeaseLiabilityNoncurrent ▅▆▇█▄▄▁38.5740.31742.3944.0536.82737.231.728NANANANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:StockholdersEquity █▆▆▆▄▃▃▃▃▃▃▂▂▂▂▂▁1343.301910.67886.097939.425591.878367.683379.81392.195417.314265.154290.335187.832178.958197.803215.175232.846-62.481NANA-29.097
us-gaap:CommonStockValue █▇▇▇▆▆▆▆▆▅▅▅▅▅▅▅▁2.1571.91.851.8471.6841.631.5891.5841.5751.4351.4231.241.2341.2261.2161.2160.174NANA0.181
us-gaap:AdditionalPaidInCapitalCommonStock █▆▆▅▄▄▄▄▄▃▃▂▂▂▂▂▁1807.8781282.9521178.771162.345845.526759.796718.255682.245659.776457.032443.774312.018303.292297.446292.519288.73911.553NANA4.636
us-gaap:RetainedEarningsAccumulatedDeficit ▁▃▄▅▅▂▃▄▅▆▆▇▇▇███-466.537-374.098-294.442-224.711-255.253-393.676-339.977-291.569-243.979-193.268-154.888-125.44-125.58-100.873-78.558-57.083-74.182NANA-33.906
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▇▇█▇▇-0.134-0.021-0.0180.007-0.022-0.01NA-0.008-0.0010.0050.0260.0140.0120.004-0.002-0.026-0.026NANA-0.008
us-gaap:TreasuryStockValue ████▇▇▇▇▇▇▁▁▁▁▁▁▁0.0630.0630.0630.0630.0570.0570.0570.0570.0570.050.00.00.00.00.00.00.0NANA0.0
us-gaap:StockIssuedDuringPeriodValueNewIssues █▁494.58982.189NANA68.66128.11423.472NA184.456NA122.597NANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▅▁17.2415.69714.151NA14.77312.19810.696NA9.0669.4776.673NANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▃▂▄█▂▂▃▃▃▃▃▃-75.7-29.279-52.1753.376133.42-36.382-43.737-28.372-19.964-25.215-22.688-14.842-15.868NANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁████████████-330.33-3.605-2.9917.057-2.461-2.174-1.097-1.0-0.695-0.523-0.555-0.205-3.494NANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▁▅▂▁▁▁▄▁▃▁▁512.88889.5051.132304.71870.88529.65425.726-1.269188.2233.729125.2511.2840.609NANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▃▁█▆▂▂▁▅▂▄▂▂▂▂106.89156.618-54.059315.18201.832-8.912-19.1-30.648167.558-22.03102.02-13.761-18.745-16.605-26.647NANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▃▂▄█▂▂▃▃▃▃▃▃-75.7-29.279-52.1753.376133.42-36.382-43.737-28.372-19.964-25.215-22.688-14.842-15.868NANANANANANANA
us-gaap:NetIncomeLoss ▁▁▂▅█▂▂▂▂▃▃▄▃▃▃▄▃▃▄▃-92.439-79.656-69.73130.542138.423-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517.099-14.68-17.157-8.439-12.27
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▅█-92.439-79.656-69.731NA138.423-53.699-48.408NA-50.711-38.38-28.3NANANANANANANANANA
us-gaap:ProfitLoss ▁▁▂▅█▂▂▂▂▃▃▄▃▃▃▄▃▃▄▃-92.439-79.656-69.73130.542138.423-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517.098-14.694-17.164-8.442-12.286
us-gaap:DepreciationDepletionAndAmortization ██▇▅▅▅▃▄▄▃▃▃▃▃▃▂▂▁▁▁2.3352.1922.0911.4321.2831.1980.8120.9450.8830.8650.8260.8060.7920.7060.720.4120.2360.1710.1060.059
us-gaap:IncreaseDecreaseInAccountsReceivable ▅▁█▅▄▅▅▄▄▄▄▄▄▅▅▅▅▅▅0.077-25.08425.0180.06-0.282-0.010.243-0.464-0.392-0.316-1.366-0.585-3.6031.1422.5151.0650.7380.3890.626NA
us-gaap:ShareBasedCompensation █▇▇▆▅▅▅▆▄▄▃▄▃▂▂▂▂▂▁▁17.2415.69714.15111.85711.34311.1869.67113.0258.0548.3245.5826.9794.8683.283.7464.0282.2933.5011.0221.176
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁████████████-330.33-3.605-2.9917.057-2.461-2.174-1.097-1.0-0.695-0.523-0.555-0.205-3.494NANANANANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment █▅▅▂▄▄▂▂▂▁▁▁▅▂▅▁▃▂▁▁5.5233.6052.9910.9522.4612.1741.0971.00.6950.5230.5550.2052.9941.333.2850.2281.5091.0470.2320.503
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▁▅▂▁▁▁▄▁▃▁▁512.88889.5051.132304.71870.88529.65425.726-1.269188.2233.729125.2511.2840.609NANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2157000.01900000.01850000.01847000.01684000.01630000.01589000.01584000.01575000.01435000.01423000.01240000.01234000.01226000.01216000.01216000.0174000.0181000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.30.30.30.30.40.40.50.40.40.40.40.10.1

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6260605553525151474640395.5280793.5599853.559985
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Shares
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value0.1953160.2323960.2502260.2569890.2569890.3079360.3079360.3079360.4093610.438620.4448730.444873
Percentage of SharesOutstanding0.30.40.40.50.50.60.60.60.90.91.11.1

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-12-31
Value62616155535252514747414040405.6621265.528079
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-12-31
Value11510310355555352514747414040405.6621265.528079
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesAuthorized us-gaap:StatutoryAccountingPracticesByJurisdiction

crsp:SwissLaw


Common
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2819192525171711
Percentage of CommonStockSharesAuthorized24.818.518.545.145.333.334.028.7

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-12-31
Value62606055535251514746404040395.3078455.528079
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value70605753525147464541403939345.2923485.4488555.528079
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value70575453525147464540403939325.2923485.4488555.528079
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value616053524746454039395.2923485.4488555.5280795.5280795.5280794.5385953.56
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2020-03-312019-09-302019-03-312018-09-302018-03-312017-03-312016-09-302016-03-312015-09-30
Value9.4623752.7698448.3778786.8774636.6855924910313272715721002
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

crsp:UnvestedRestrictedCommonShares


Antidilutive
Period End2020-03-312019-09-302019-03-312018-09-302018-03-31
Value0.967060.157490.3452960.1788840.147472
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount10.25.74.12.62.2

us-gaap:EmployeeStockOption


Antidilutive
Period End2020-03-312019-09-302019-03-312018-09-302018-03-312017-03-312016-09-302016-03-312015-09-30
Value8.4953152.6123548.0325826.6985796.638124829376523841703
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount89.894.395.997.499.398.412.08.88.1

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1.320.532.52-1.01-0.93-0.92-1.07-0.82-0.620-0.62-0.56-0.540.43-2.77-3.15-1.53
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1.320.512.4-1.01-0.93-0.92-1.07-0.82-0.620-0.62-0.56-0.540.4-2.77-3.15-1.53
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1.3-1.15-1.01-0.93-0.93-1.07-0.82-0.620.01-0.62-0.56-0.545.54-2.77-3.15-1.53-2.22-1.15-0.8-0.91
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.1480.0440.157772110.3180.3280.1150.5631.0881.358322.3873.5822.7032.3441.5490.7950.4760.247
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.1480.0440.157772110.3180.3280.1150.5631.0881.358322.3873.5822.7032.3441.5490.7950.4760.247
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value92807366725548454938283125242327161712126.2023.6253.736
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues62531.8183484.146970.185.734.317390.314863.139428.78880.13527.02088.097.01087.4694.8867.41179.81043.22182.82547.95025.50.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value71595448573933283925192017171415128.6026.0126.1743.749
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues47978.4134954.534517.863.327.012431.810311.625044.37072.82356.01437.362.0747.6477.9547.7664.3778.11082.01263.02499.60.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:CounterpartyName

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries


Research
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value129.99.17.97.56.67.1-5.28.80.2
Percentage of ResearchAndDevelopmentExpense17.616.716.816.213.116.721.0-18.122.10.8
Percentage of Revenues8445.922500.05796.210.33.52075.52164.6-4521.71563.118.4
Percentage of Revenues crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries0.00.00.0-4.33.50.00.00.08800.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:TypeOfArrangement

crsp:TwoThousandAndNineteenOptionAgreement


Research
Period End2020-09-302020-06-302020-03-31
Value4.42.31.9
Percentage of ResearchAndDevelopmentExpense6.23.93.5
Percentage of Revenues2973.05227.31210.2
Percentage of Revenues crsp:TwoThousandAndNineteenOptionAgreement0.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value212119171515141610128.836118.1127.7688.642124.1078.7516.1166.2392.453
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14553.448529.512452.222.47.34958.54551.514384.31807.31171.0650.735.0339.8216.9319.7515.4265.11100.81284.92525.90.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-92.399-80.689-73.58610139-54.983-48.423-45.228-49.432-37.286-26.9970.972-23.57-21.306-20.744-25.31-14.61-16.558-11.652-12.166-6.202-3.625-3.736
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62431.8-183384.1-46870.114.365.7-17290.3-14763.1-39328.7-8780.1-3427.0-1988.03.0-987.4-594.8-767.4-1079.8-943.2-2082.8-2447.9-4925.50.00.00.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-05-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value17151411141210149.0672.29.4776.6737.4325.2274.2313.7464.0282.2933.5011.0221.1761.029
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11648.635675.09013.415.47.03835.83261.012212.21610.50.0871.0491.423.0219.0118.1138.6171.8148.0440.4214.7476.10.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value8.1317.6766.7895.7215.0815.2734.7097.5494.0563.1572.6664.2742.4481.781.571.8620.952.6480.3840.370.59
Percentage of AllocatedShareBasedCompensationExpense47.248.948.048.334.443.244.053.844.733.340.057.546.842.141.946.241.475.637.631.557.3
Percentage of Revenues5493.917445.54324.27.42.41658.21435.76564.3720.4290.2196.313.2102.649.758.179.461.3333.180.7149.80.0
Percentage of Revenues us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value9.1098.0217.3626.1366.2625.9134.9625.4763.9995.1672.9162.7052.421.9461.732.0141.3430.8530.6380.8060.439
Percentage of AllocatedShareBasedCompensationExpense52.851.152.051.942.448.546.439.044.154.543.736.446.346.046.250.058.624.462.468.542.7
Percentage of Revenues6154.718229.54689.28.03.01859.41512.84761.7710.3474.9214.78.4101.454.364.085.986.7107.3134.0326.30.0
Percentage of Revenues us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-92.239-79.277-69.35430138-53.614-48.323-47.356-50.574-38.284-28.2140.56-24.0-21.972-21.19617-14.686-17.164-8.366-12.216-6.201
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62323.6-180175.0-44174.539.765.4-16859.7-14732.6-41179.1-8982.9-3518.8-2077.61.7-1005.4-613.4-784.2746.5-948.1-2159.0-1757.6-4945.70.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.161.4124.23219-0.4661.3690.1-2.128-1.142-0.998-1.217-0.412-0.43-0.666-0.45242-0.076-0.6063.286-0.050.001
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues108.13209.12695.525.4-0.2430.530.5-1850.4-202.8-91.7-89.6-1.3-18.0-18.6-16.71826.3-4.9-76.2690.3-20.20.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value200000.0379000.0377000.04000.0274000.085000.085000.0234000.0137000.096000.086000.0419000.0707000.0343000.0279000.0400000.08000.0076000.070000.0153000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of Revenues135.1861.4240.10.00.126.725.9203.524.38.86.31.329.69.610.317.10.50.016.028.30.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-92.439-79.656-69.73130138-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517-14.694-17.164-8.442-12.286-6.354-3.666-3.522
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62458.8-181036.4-44414.639.765.3-16886.5-14758.5-41382.6-9007.3-3527.6-2083.90.4-1035.1-623.0-794.5729.4-948.6-2159.0-1773.5-4974.10.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value31000.0-3000.0-25000.029000.0-12000.0-10000.08000.0-7000.0-6000.0-21000.012000.02000.08000.06000.024000.00-1000.0-13000.0-4000.0-4000.0-4000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Revenues20.9-6.8-15.90.0-0.0-3.12.4-6.1-1.1-1.90.90.00.30.20.90.0-0.1-1.6-0.8-1.60.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-92.439-79.656-69.73130138-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517-14.68-17.157-8.439-12.27-6.353-3.643-3.237
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62458.8-181036.4-44414.639.765.3-16886.5-14758.5-41382.6-9007.3-3527.6-2083.90.4-1035.1-623.0-794.5729.5-947.7-2158.1-1772.9-4967.60.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-92.439-79.656-69.731138-53.699-48.408-50.711-38.38-28.3
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62458.8-181036.4-44414.665.3-16886.5-14758.5-9007.3-3527.6-2083.9
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-92.552-79.659-69.75630138-53.709-48.4-47.597-50.717-38.401-28.2880.143-24.699-22.309-21.45117-14.695-17.177-8.446-12.29-6.358
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62535.1-181043.2-44430.639.765.3-16889.6-14756.1-41388.7-9008.3-3529.5-2083.10.4-1034.7-622.8-793.6729.4-948.7-2160.6-1774.4-4975.70.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1485104610071066720494497489518353374271282304322344278159
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value14113512112712812611896101878483103107107112155124
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.513.012.011.917.925.623.719.819.624.922.530.836.635.133.232.555.877.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1485104610071066720494497489518353374271282304322344278159
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1343910886939591367379392417265290187178197215232-62.481-29.097
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets90.587.088.088.182.174.476.380.280.475.177.569.263.464.966.867.5-22.4-18.3

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-0.134-0.021-0.0180.007-0.022-0.01-0.008-0.0010.0050.0260.014-0.026
Percentage of StockholdersEquity-0.0-0.0-0.00.0-0.0-0.0-0.0-0.00.00.00.0-0.0
Percentage of Assets-0.0-0.0-0.00.0-0.0-0.0-0.0-0.00.00.00.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1807128211781162845759718682659457443312288
Percentage of StockholdersEquity134.6140.9133.0123.7142.9206.6189.1174.0158.1172.4152.8166.1124.0
Percentage of Assets121.7122.6117.0109.0117.3153.7144.3139.5127.1129.4118.5115.083.7
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2.1571.91.851.8471.6841.631.5891.5841.5751.4351.4231.241.216
Percentage of StockholdersEquity0.20.20.20.20.30.40.40.40.40.50.50.70.5
Percentage of Assets0.10.20.20.20.20.30.30.30.30.40.40.50.4
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-466.537-374.098-294.442-224.711-255.253-393.676-339.977-291.569-243.979-193.268-154.888-125.44-57.083
Percentage of StockholdersEquity-34.7-41.1-33.2-23.9-43.1-107.1-89.5-74.3-58.5-72.9-53.3-66.8-24.5
Percentage of Assets-31.4-35.7-29.2-21.1-35.4-79.7-68.3-59.6-47.0-54.7-41.4-46.2-16.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-0.063-0.063-0.063-0.063-0.057-0.057-0.057-0.057-0.057-0.05
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1390965929987664438449466496330351248258281296320231156
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets93.792.392.392.692.288.790.395.495.793.693.991.591.692.292.092.883.198.4

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value1041945889943629427437456487319341239253272288315228246200155490.9450.361
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.190.388.388.587.486.687.993.493.990.591.388.489.889.389.691.582.00.00.097.80.00.00.0

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2020-09-30
Value324
Percentage of MarketableSecuritiesCurrent100.0
Percentage of Assets21.9

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.110.033250.0990.0390.3210.3310.0880.5520.9441.262.6263.2116.8145.6723.1572.0920.339
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.02.50.00.00.10.10.00.10.30.31.01.12.21.80.90.80.2

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value242014433410119.6588.8419.8688.4516.0011.8562.2071.9181.5110.9460.54
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.72.01.44.14.82.12.42.01.72.82.32.20.70.70.60.40.30.3

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value565045433129272524232322222223214.4061.4
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.84.84.64.14.46.05.55.34.76.86.38.48.07.37.46.41.60.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

crsp:FurnitureFixturesAndOther


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value3.4163.2153.2153.2152.642.5552.4532.4532.242.2142.1042.1042.1042.0792.0442.0440.238
Percentage of PropertyPlantAndEquipmentGross6.06.37.07.48.38.79.09.59.19.28.99.29.39.38.69.317.0
Percentage of Assets0.20.30.30.30.40.50.50.50.40.60.60.80.70.70.60.60.1
Percentage of Assets crsp:FurnitureFixturesAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crsp:LaboratoryEquipment


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value2321181612109.5718.9647.9937.4757.1446.6036.3925.9854.7282.970.861
Percentage of PropertyPlantAndEquipmentGross42.342.940.438.438.534.435.234.632.631.230.229.028.226.919.913.561.5
Percentage of Assets1.62.11.81.61.72.11.91.81.52.11.92.42.32.01.50.90.5
Percentage of Assets crsp:LaboratoryEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value0.7270.7270.7270.7270.5850.5850.5920.4430.4050.4030.2850.2850.11
Percentage of PropertyPlantAndEquipmentGross1.31.41.61.71.82.02.21.71.71.71.21.30.5
Percentage of Assets0.00.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value3.0363.5051.9991.3940.0551.280.8250.2390.1270.1020.3210.00.1270.1761.1651.0651.0630.095
Percentage of PropertyPlantAndEquipmentGross5.46.94.43.20.24.33.00.90.50.41.40.00.60.84.94.824.16.8
Percentage of Assets0.20.30.20.10.00.30.20.00.00.00.10.00.00.10.40.30.40.1
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value252121211614131313131313131315150.1240.088
Percentage of PropertyPlantAndEquipmentGross45.042.446.649.351.150.650.653.256.157.558.360.560.761.766.271.82.86.3
Percentage of Assets1.72.12.12.02.23.02.82.82.73.93.75.14.94.54.94.60.00.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value18161412109.3588.3467.3756.4445.5754.7233.9113.1182.341.6470.9420.5440.072
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.61.41.11.51.91.71.51.21.61.31.41.10.80.50.30.20.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value373431312120181818181818191922213.8621.328
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.63.33.22.92.94.13.83.83.55.25.06.96.96.56.96.11.40.8

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value194000.0208000.0221000.0235000.0249000.0262000.0276000.0289000.0303000.0317000.0331000.0344000.0358000.0372000.0385000.0399000.0454000.0
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.3

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value38394041303025
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.63.84.03.94.26.25.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value662000.0662000.0662000.01097000.0668000.0669000.0669000.0669000.0650000.0704000.0571000.0606000.0657000.0237000.0183000.0198000.03888000.0101000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.10.10.10.10.10.10.20.20.20.20.10.10.11.40.1

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value847455577931282732181414121516217810
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.77.15.55.411.16.45.75.76.25.23.85.34.35.25.26.428.06.4

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1913115.9443.3747.1437.1315.0695.2214.4792.5461.6392.1162.5593.9374.5691.9431.584
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.31.10.60.51.41.41.01.01.30.70.60.70.81.21.30.71.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value38000.01663000.0758000.09000.015000.0111000.068000.0598000.01997000.030000.031000.0241000.0116000.0167000.0258000.01079000.0172000.0688000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.20.10.00.00.00.00.10.40.00.00.10.00.10.10.30.10.4

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value6348000.01507000.0284000.0583000.01478000.0542000.0615000.0402000.024000.047000.0433000.0347000.0427000.0272000.0190000.023000.082000.081000.0
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.10.00.10.20.10.10.10.00.00.10.10.20.10.10.00.00.1

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value3536213022181520251210118.485111116128.43
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.43.52.22.83.13.83.14.35.03.62.74.23.03.93.64.74.55.3

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value109.9069.0058.4894.8054.884.899
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.90.90.80.71.01.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value121211100.2190.0730.2210.1710.2260.1620.1370.0620.0680.0620.0590.0620.06
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.81.21.21.00.00.00.00.00.10.00.10.00.00.00.00.00.0

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value0.610.7590.8030.96470.102
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.16.60.0

us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:CounterpartyName

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries


Contract
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value0.60.80.80.9470.1
Percentage of ContractWithCustomerLiabilityCurrent98.4105.499.693.899.998.0
Percentage of Assets0.00.10.10.16.60.0
Percentage of Assets crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries0.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value7.2229.26411140.2350.220.1820.2430.2730.2830.2980.3140.1750.1980.1770.1890.5740.445
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.91.21.30.00.00.00.00.10.10.10.10.10.10.10.10.20.3

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value38404244363731
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.63.94.24.15.17.56.4

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue us-gaap:Range, us-gaap:StatementScenario, us-gaap:TypeOfArrangement

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

srt:Minimum, srt:ScenarioForecast, crsp:LeaseArrangement


Lessee
Period End2020-07-31
Value292
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.0
Percentage of Assets srt:Minimum srt:ScenarioForecast crsp:LeaseArrangement0.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue us-gaap:Range, us-gaap:TypeOfArrangement

srt:Minimum, crsp:LeaseArrangement


Lessee
Period End2020-07-312020-05-31
Value29240
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.00.0
Percentage of Assets0.00.0
Percentage of Assets srt:Minimum crsp:LeaseArrangement0.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1343910886939591367379392417265290187178197215232-62.481-29.097
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets90.587.088.088.182.174.476.380.280.475.177.569.263.464.966.867.5-22.4-18.3

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-0.134-0.021-0.0180.007-0.022-0.01-0.008-0.0010.0050.0260.014-0.026
Percentage of StockholdersEquity-0.0-0.0-0.00.0-0.0-0.0-0.0-0.00.00.00.0-0.0
Percentage of Assets-0.0-0.0-0.00.0-0.0-0.0-0.0-0.00.00.00.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1807128211781162845759718682659457443312288
Percentage of StockholdersEquity134.6140.9133.0123.7142.9206.6189.1174.0158.1172.4152.8166.1124.0
Percentage of Assets121.7122.6117.0109.0117.3153.7144.3139.5127.1129.4118.5115.083.7
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2.1571.91.851.8471.6841.631.5891.5841.5751.4351.4231.241.216
Percentage of StockholdersEquity0.20.20.20.20.30.40.40.40.40.50.50.70.5
Percentage of Assets0.10.20.20.20.20.30.30.30.30.40.40.50.4
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-466.537-374.098-294.442-224.711-255.253-393.676-339.977-291.569-243.979-193.268-154.888-125.44-57.083
Percentage of StockholdersEquity-34.7-41.1-33.2-23.9-43.1-107.1-89.5-74.3-58.5-72.9-53.3-66.8-24.5
Percentage of Assets-31.4-35.7-29.2-21.1-35.4-79.7-68.3-59.6-47.0-54.7-41.4-46.2-16.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-0.063-0.063-0.063-0.063-0.057-0.057-0.057-0.057-0.057-0.05
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2157000.01900000.01850000.01847000.01684000.01630000.01589000.01584000.01575000.01435000.01423000.01240000.01234000.01226000.01216000.01216000.0174000.0181000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.30.30.30.30.40.40.50.40.40.40.40.10.1

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1807128211781162845759718682659457443312303297292288114.636
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets121.7122.6117.0109.0117.3153.7144.3139.5127.1129.4118.5115.0107.497.590.783.74.12.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value-466540000.0-374100000.0-294440000.0-224710000.0-255250000.0-393680000.0-339980000.0-291570000.0-243980000.0-193270000.0-154890000.0-125440000.0-125580000.0-100870000.0-78558000.0-57083000.0-74182000.0-33906000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-31.4-35.7-29.2-21.1-35.4-79.7-68.3-59.6-47.0-54.7-41.4-46.2-44.5-33.1-24.4-16.5-26.6-21.3

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value-134000.0-21000.0-18000.07000.0-22000.0-10000.0-8000.0-1000.05000.026000.014000.012000.04000.0-2000.0-26000.0-26000.0-8000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.0-0.00.0-0.0-0.0-0.0-0.00.00.00.00.00.0-0.0-0.0-0.0-0.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value63000.063000.063000.063000.057000.057000.057000.057000.057000.050000.000000000
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-09-302020-06-302019-09-302019-06-302019-03-312018-09-302018-03-31
Value49482682823184122
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302019-09-302019-06-302019-03-312018-09-302018-03-31
Value49482682823184122
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.099.999.9100.099.999.9
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302019-09-302019-06-302018-09-302018-03-31
Value0.240.0380.0430.040.1370.174
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.10.10.10.1
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1715141412109.0669.4776.673
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1715141412109.0669.4776.673
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-75.7-29.279-52.1753.376133-36.382-43.737-28.372-19.964-25.215-22.688-14.842-15.868
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-51148.6-66543.2-33232.54.463.0-11440.9-13334.5-24671.3-3546.0-2317.6-1670.7-45.9-664.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-330.33-3.605-2.9917.057-2.461-2.174-1.097-1.0-0.695-0.523-0.555-0.205-3.494
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-223195.9-8193.2-1905.19.2-1.2-683.6-334.5-869.6-123.4-48.1-40.9-0.6-146.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value512891.132304702925-1.2691883.7291251.2840.609
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues346545.9203420.5721.0395.733.49325.27843.3-1103.533432.1342.79223.24.025.5

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value10656-54.059315201-8.912-19.1-30.648167-22.03102-13.761-18.745-16.605-26.647
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues72223.6128677.3-34432.5409.295.2-2802.5-5823.2-26650.429761.6-2024.87512.5-42.6-785.3-463.6-985.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-75.7-29.279-52.1753.376133-36.382-43.737-28.372-19.964-25.215-22.688-14.842-15.868
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-51148.6-66543.2-33232.54.463.0-11440.9-13334.5-24671.3-3546.0-2317.6-1670.7-45.9-664.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-92.439-79.656-69.73130138-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517-14.68-17.157-8.439-12.27-6.353-3.643-3.237
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62458.8-181036.4-44414.639.765.3-16886.5-14758.5-41382.6-9007.3-3527.6-2083.90.4-1035.1-623.0-794.5729.5-947.7-2158.1-1772.9-4967.60.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-92.439-79.656-69.731138-53.699-48.408-50.711-38.38-28.3
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62458.8-181036.4-44414.665.3-16886.5-14758.5-9007.3-3527.6-2083.9
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-92.439-79.656-69.73130138-53.699-48.408-47.59-50.711-38.38-28.30.14-24.707-22.315-21.47517-14.694-17.164-8.442-12.286-6.354-3.666-3.522
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-62458.8-181036.4-44414.639.765.3-16886.5-14758.5-41382.6-9007.3-3527.6-2083.90.4-1035.1-623.0-794.5729.4-948.6-2159.0-1773.5-4974.10.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2335000.02192000.02091000.01432000.01283000.01198000.0812000.0945000.0883000.0865000.0826000.0806000.0792000.0706000.0720000.0412000.0236000.0171000.0106000.059000.0
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.077-25.084250.06-0.282-0.010.243-0.464-0.392-0.316-1.366-0.585-3.6031.1422.5151.0650.7380.3890.626
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1715141111119.671138.0548.3245.5826.9794.8683.283.7464.0282.2933.5011.0221.176
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-330.33-3.605-2.9917.057-2.461-2.174-1.097-1.0-0.695-0.523-0.555-0.205-3.494
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-223195.9-8193.2-1905.19.2-1.2-683.6-334.5-869.6-123.4-48.1-40.9-0.6-146.4

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5.5233.6052.9910.9522.4612.1741.0971.00.6950.5230.5550.2052.9941.333.2850.2281.5091.0470.2320.503
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value512891.132304702925-1.2691883.7291251.2840.609
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues346545.9203420.5721.0395.733.49325.27843.3-1103.533432.1342.79223.24.025.5

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-0.2-0.005-0.005-0.0050.002-0.002-0.0020-0.003-0.003-0.003-0.006-0.029-0.0160.013-0.019-0.00100.009-0.005
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8197300.08495300.07782400.08014100.08195900.08032600.06689300.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value36.6634.1732.8231.329.128.1927.4425.42
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0

crsp:CollaborativeArrangementLicenseRightsReacquiredByWaivingPaymentOwed us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

crsp:CollaborativeArrangementLicenseRightsReacquiredByWaivingPaymentOwed

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, us-gaap:CollaborativeArrangement


Collaborative
Period End2020-09-302020-06-302020-03-31
Value0010000000.0
Percentage of CollaborativeArrangementLicenseRightsReacquiredByWaivingPaymentOwed0.00.0100.0

crsp:EquityIssuanceCosts us-gaap:StatementScenario, us-gaap:SubsidiarySaleOfStock

crsp:EquityIssuanceCosts

srt:ScenarioForecast, crsp:UnderwrittenPublicOffering


Equity
Period End2020-07-31
Value32
Percentage of EquityIssuanceCosts100.0

crsp:EquityIssuanceCostsAndStampTax us-gaap:SubsidiarySaleOfStock

crsp:EquityIssuanceCostsAndStampTax

crsp:UnderwrittenPublicOffering


Equity
Period End2020-07-31
Value32
Percentage of EquityIssuanceCostsAndStampTax100.0

crsp:EquityIssuanceCostsInAccountsPayableAndAccruedExpenses

crsp:EquityIssuanceCostsInAccountsPayableAndAccruedExpenses


Equity
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4946000.0970000.039000.0262000.0296000.0181000.0
Percentage of EquityIssuanceCostsInAccountsPayableAndAccruedExpenses100.0100.0100.0100.0100.0100.0

crsp:EstimatedStandaloneSellingPriceForSingleCollaboration us-gaap:CounterpartyName, us-gaap:ProductOrService

crsp:EstimatedStandaloneSellingPriceForSingleCollaboration

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:CollaborativeArrangementMaterialRightsOne


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.0250.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.0100.00.0

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:CollaborativeArrangementMaterialRightsThree


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.0220.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.088.80.0

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:CollaborativeArrangementMaterialRightsTwo


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.0220.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.088.80.0

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:DuchenneMuscularDystrophyLicense


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.02240.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.0898.40.0

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:MyotonicDystrophyTypeOneLicense


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.0760.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.0304.80.0

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:MyotonicDystrophyTypeOneRAndDServices


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.01.70.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.06.80.0

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:SpecifiedTargetOptionMaterialRight


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.0170.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.070.00.0

crsp:EstimatedStandaloneSellingPriceForSingleCollaboration us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:TypeOfArrangement

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:CollaborativeArrangementMaterialRightsFourthExclusiveLicense, crsp:TwoThousandAndFifteenCollaborationAgreement


Estimated
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.010.00.0
Percentage of EstimatedStandaloneSellingPriceForSingleCollaboration0.00.040.00.0

crsp:IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities

crsp:IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities


Increase
Period End2020-09-302019-09-30
Value-171000.0-298000.0
Percentage of IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities100.0100.0

crsp:NonRefundableUpFrontPaymentReceived us-gaap:CounterpartyName

crsp:NonRefundableUpFrontPaymentReceived

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries


Non
Period End2020-09-302020-06-302020-03-312019-12-312015-10-26
Value0.00.01750.075
Percentage of NonRefundableUpFrontPaymentReceived0.00.0100.00.0100.0

crsp:NonRefundableUpFrontPaymentReceived us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, us-gaap:CollaborativeArrangement


Non
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.01750.0
Percentage of NonRefundableUpFrontPaymentReceived0.00.0100.00.0

crsp:NumberOfOptionsExercisedUnderAgreement us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

crsp:NumberOfOptionsExercisedUnderAgreement

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:TwoThousandAndFifteenCollaborationAgreement


Number
Period End2020-06-302020-03-31
Value04.0
Percentage of NumberOfOptionsExercisedUnderAgreement0.0100.0

crsp:NumberOfOptionsExercisedUnderAgreement us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

crsp:CasebiaTherapeuticsLlp, crsp:TwoThousandAndNineteenOptionAgreement


Number
Period End2020-06-302020-03-31
Value02.0
Percentage of NumberOfOptionsExercisedUnderAgreement0.050.0

crsp:NumberOfOptionsWouldNotBeExercisedUnderAgreement us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

crsp:NumberOfOptionsWouldNotBeExercisedUnderAgreement

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:TwoThousandAndFifteenCollaborationAgreement


Number
Period End2020-06-302020-03-312019-12-31
Value01.00
Percentage of NumberOfOptionsWouldNotBeExercisedUnderAgreement0.0100.00.0

crsp:PaymentsOfStampTaxesRelatedToSecurities us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement

crsp:PaymentsOfStampTaxesRelatedToSecurities

crsp:TwoThousandNineteenAtMarketOffering, crsp:SalesAgreementWithJefferiesLLC


Payments
Period End2020-09-30
Value400000.0
Percentage of PaymentsOfStampTaxesRelatedToSecurities100.0

crsp:PercentageOfExchangePaymentOfResearchAndDevelopmentCosts us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

crsp:PercentageOfExchangePaymentOfResearchAndDevelopmentCosts

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:TwoThousandAndFifteenCollaborationAgreement


Percentage
Period End2020-09-302020-06-302020-03-312019-12-31
Value49.500.50
Percentage of PercentageOfExchangePaymentOfResearchAndDevelopmentCosts100.00.0100.00.0

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, us-gaap:CollaborativeArrangement


Percentage
Period End2020-09-302020-06-302020-03-312019-12-31
Value49.500.50
Percentage of PercentageOfExchangePaymentOfResearchAndDevelopmentCosts100.00.0100.00.0

crsp:ResearchAndDevelopmentContractArrangementReimbursementsReceived us-gaap:CounterpartyName

crsp:ResearchAndDevelopmentContractArrangementReimbursementsReceived

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries


Research
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.85.55.54.13.83.34.5
Percentage of ResearchAndDevelopmentContractArrangementReimbursementsReceived100.0100.0100.0100.0100.0100.0100.0

crsp:StockPurchasedDuringPeriodValueEmployeeStockPurchasePlan

crsp:StockPurchasedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2020-09-30
Value694000.0
Percentage of StockPurchasedDuringPeriodValueEmployeeStockPurchasePlan100.0

crsp:StockPurchasedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-30
Value694000.0
Percentage of StockPurchasedDuringPeriodValueEmployeeStockPurchasePlan100.0

crsp:UpFrontPaymentReceived us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

crsp:UpFrontPaymentReceived

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:JointDevelopmentAgreement


Up
Period End2020-06-302020-03-312015-10-26
Value07000000.07000000.0
Percentage of UpFrontPaymentReceived0.0100.0100.0

crsp:VariableConsiderationReceived us-gaap:CounterpartyName, us-gaap:IncomeStatementLocation

crsp:VariableConsiderationReceived

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, us-gaap:ResearchAndDevelopmentExpense


Variable
Period End2020-09-302020-06-302020-03-312019-12-312015-10-26
Value0.00.0250.019
Percentage of VariableConsiderationReceived0.00.0100.00.0100.0

crsp:VariableConsiderationReceived us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:IncomeStatementLocation

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:MyotonicDystrophyTypeOneRAndDServices, us-gaap:ResearchAndDevelopmentExpense


Variable
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.00.00.80.0
Percentage of VariableConsiderationReceived0.00.03.20.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:BusinessCombinationConsiderationTransferred1

crsp:CasebiaTherapeuticsLlp


Business
Period End2020-09-302020-06-302020-03-31
Value0.00.041
Percentage of BusinessCombinationConsiderationTransferred10.00.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:IncomeStatementLocation, us-gaap:TypeOfArrangement

crsp:CasebiaTherapeuticsLlp, crsp:CertainOptions, crsp:TwoThousandAndNineteenOptionAgreement


Business
Period End2020-09-302020-06-302020-03-31
Value0.00.04.8
Percentage of BusinessCombinationConsiderationTransferred10.00.011.7

crsp:CasebiaTherapeuticsLlp, us-gaap:ResearchAndDevelopmentExpense, crsp:TwoThousandAndNineteenOptionAgreement


Business
Period End2020-09-302020-06-302020-03-31
Value0.00.020
Percentage of BusinessCombinationConsiderationTransferred10.00.049.3

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

crsp:CasebiaTherapeuticsLlp, crsp:TwoThousandAndNineteenOptionAgreement


Business
Period End2020-09-302020-06-302020-03-31
Value0.00.025
Percentage of BusinessCombinationConsiderationTransferred10.00.061.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value278000.01245000.01340000.01383000.0-274000.0123000.0579000.0-182000.0307000.0-2579000.01724000.0973000.06768000.0199000.0-69000.0116000.0214000.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2300000.02200000.02100000.01400000.01300000.01000000.01000000.01000000.0800000.0900000.0800000.0800000.0800000.0700000.0700000.0400000.0200000.0100000.0100000.073000.027000.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Effect
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value33000.0-3000.0-25000.029000.0-12000.0-10000.08000.0-7000.0-6000.0-21000.012000.02000.08000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4.17815-2.4964.6051.2692.475-3.3244.1284.2184.203-0.4392.148-0.8761.545-3.6480.585-1.7133.0321.9565.204
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-149000.0-44000.0-157000.0-46860000.01764000.0-25000.0-25000.0-26000.0-26000.0-26000.0-218000.0-22761000.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-2.385-2.051-1.60125-0.1330.2-0.1940.211-0.050.0630.0250.239-0.2470.2740.004-0.028-0.040.0160.035-0.035
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4.3226.064-29.6597.27623-1.6523.0510.84-1.3021.3782.4263.813-0.4320.3420.3940.377-1.8791.580.9930.107
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2020-09-30
Value100000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-113000.0-3000.0-25000.0-12000.0-10000.08000.0-6000.0-21000.012000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-113000.0-3000.0-25000.0-12000.0-10000.08000.0-6000.0-21000.012000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2020-09-30
Value-144000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0

us-gaap:OtherNonoperatingIncome

us-gaap:OtherNonoperatingIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value160000.01412000.04232000.02964000.02381000.01125000.0
Percentage of OtherNonoperatingIncome100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfStockIssuanceCosts us-gaap:StatementEquityComponents

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:CommonStock


Payments
Period End2020-09-302020-06-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value323.12.31.31.2150.08.2
Percentage of PaymentsOfStockIssuanceCosts100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsOfStockIssuanceCosts us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement

crsp:TwoThousandNineteenAtMarketOffering, crsp:SalesAgreementWithJefferiesLLC


Payments
Period End2020-09-302020-06-30
Value0.22.4
Percentage of PaymentsOfStockIssuanceCosts0.677.4

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-10-31
Value499293682823-1.9661860.012235
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:StatementScenario, us-gaap:SubsidiarySaleOfStock

srt:ScenarioForecast, crsp:UnderwrittenPublicOffering


Proceeds
Period End2020-07-31
Value484
Percentage of ProceedsFromIssuanceOfCommonStock0.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:SubsidiarySaleOfStock

crsp:UnderwrittenPublicOffering


Proceeds
Period End2020-07-312018-09-302018-01-31
Value484184122
Percentage of ProceedsFromIssuanceOfCommonStock0.099.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement

crsp:TwoThousandNineteenAtMarketOffering, crsp:SalesAgreementWithJefferiesLLC


Proceeds
Period End2020-09-302020-06-30
Value9.683
Percentage of ProceedsFromIssuanceOfCommonStock1.90.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.4841.132101.9631.2541.8320.6971.8083.7792.6541.2840.6090.6950.02
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2020-06-302019-09-302019-06-302019-03-312018-09-302018-03-312016-10-31
Value1238500.01452900.0732110.0631580.04210500.05750000.02500000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementScenario, us-gaap:SubsidiarySaleOfStock

srt:ScenarioForecast, crsp:UnderwrittenPublicOffering


Stock
Period End2020-07-31
Value7400000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues0.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:SubsidiarySaleOfStock

crsp:UnderwrittenPublicOffering


Stock
Period End2020-07-312018-09-302018-01-31
Value7400000.04200000.05700000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues0.099.80.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement

crsp:TwoThousandNineteenAtMarketOffering, crsp:SalesAgreementWithJefferiesLLC


Stock
Period End2020-09-302020-06-302020-03-31
Value100000.01200000.00
Percentage of StockIssuedDuringPeriodSharesNewIssues0.096.90.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock


Stock
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value29916.05000.034328.012317.09288.010046.010043.010042.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised


Stock
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value422680.088466.0705580.0211360.0114960.0148740.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value394100.083406.0203100.0118990.0141920.0161390.0380980.0328520.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised93.294.396.1103.595.40.00.00.0

us-gaap:TreasuryStock


Stock
Period End2020-06-302019-06-302018-09-302018-06-302018-03-31
Value-37080.0-3650.0-741.0-29259.0-6253.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised-8.8-3.20.00.00.0

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:CommonStock


Stock
Period End2020-03-31
Value17830.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued100.0

us-gaap:TreasuryStock


Stock
Period End2020-03-31
Value-17830.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued-100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures


Stock
Period End2020-09-302020-06-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1000.01000.012000.016000.015000.021000.014000.013000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value126.3451.3882.3381.2541.8321.8413.7292.656
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value126.3341.3852.3281.2541.8271.8393.7682.647
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised99.999.899.899.6100.099.799.9101.099.7

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-03-312018-09-302018-06-302018-03-31
Value0.0160.0110.0030.010.0050.0020.0110.009
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.10.20.20.40.30.10.30.3

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued


Stock
Period End2020-03-31
Value0.889
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-03-31
Value0.889
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0

crsp:AccruedEquityIssuanceCostsAndStampTaxes us-gaap:SubsidiarySaleOfStock

crsp:AccruedEquityIssuanceCostsAndStampTaxes

crsp:UnderwrittenPublicOffering


Accrued
Period End2020-09-30
Value4900000.0
Percentage of AccruedEquityIssuanceCostsAndStampTaxes100.0

crsp:AccruedExpensesAndOtherCurrentLiabilitiesFairValueDisclosure

crsp:AccruedExpensesAndOtherCurrentLiabilitiesFairValueDisclosure


Accrued
Period End2020-09-30
Value3915000.0
Percentage of AccruedExpensesAndOtherCurrentLiabilitiesFairValueDisclosure100.0

crsp:AccruedIntellectualPropertyCostsCurrent

crsp:AccruedIntellectualPropertyCostsCurrent


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1864000.02553000.02780000.02311000.01739000.01164000.01101000.02193000.01505000.01352000.0862000.0500000.0731000.01255000.01700000.03372000.02592000.0
Percentage of AccruedIntellectualPropertyCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

crsp:AccruedLicenseFeesCurrent

crsp:AccruedLicenseFeesCurrent


Accrued
Period End2020-09-302020-06-302019-12-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value915000.0300000.0750000.026000.0105000.0625000.0144000.0216000.0778000.0609000.0651000.0783000.01111000.0492000.01055000.0
Percentage of AccruedLicenseFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

crsp:AccruedPropertyAndEquipment

crsp:AccruedPropertyAndEquipment


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-06-302017-03-312016-12-31
Value566000.0576000.0148000.0407000.053000.0387000.0103000.0294000.02663000.04697000.05081000.0
Percentage of AccruedPropertyAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

crsp:AccruedResearchAndDevelopmentExpenseCurrent

crsp:AccruedResearchAndDevelopmentExpenseCurrent


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1519119.4349.8539.2668.0237.9736.834.9214.282.2851.581.5610.490.9960.91
Percentage of AccruedResearchAndDevelopmentExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

crsp:AccruedStampTaxes us-gaap:SubsidiarySaleOfStock, us-gaap:TypeOfArrangement

crsp:AccruedStampTaxes

crsp:TwoThousandNineteenAtMarketOffering, crsp:SalesAgreementWithJefferiesLLC


Accrued
Period End2020-09-30
Value600000.0
Percentage of AccruedStampTaxes100.0

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesAmortizedCostBasis

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesAmortizedCostBasis


Cash
Period End2020-09-30
Value1240
Percentage of CashEquivalentsAndAvailableForSaleDebtSecuritiesAmortizedCostBasis100.0

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesFairValue

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesFairValue


Cash
Period End2020-09-30
Value1240
Percentage of CashEquivalentsAndAvailableForSaleDebtSecuritiesFairValue100.0

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedGainsBeforeTax

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedGainsBeforeTax


Cash
Period End2020-09-30
Value11000.0
Percentage of CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedGainsBeforeTax100.0

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedLossesBeforeTax

crsp:CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedLossesBeforeTax


Cash
Period End2020-09-30
Value155000.0
Percentage of CashEquivalentsAndAvailableForSaleDebtSecuritiesGrossUnrealizedLossesBeforeTax100.0

crsp:CashEquivalentsFairValue

crsp:CashEquivalentsFairValue


Cash
Period End2020-09-30
Value915
Percentage of CashEquivalentsFairValue100.0

crsp:CashEquivalentsFairValue us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Cash
Period End2020-09-30
Value6.504
Percentage of CashEquivalentsFairValue0.7

crsp:CashEquivalentsFairValue us-gaap:InvestmentType

us-gaap:CertificatesOfDeposit


Cash
Period End2020-09-30
Value4.012
Percentage of CashEquivalentsFairValue0.4

us-gaap:CommercialPaper


Cash
Period End2020-09-30
Value8.497
Percentage of CashEquivalentsFairValue0.9

us-gaap:MoneyMarketFunds


Cash
Period End2020-09-30
Value896
Percentage of CashEquivalentsFairValue97.9

crsp:CashEquivalentsGrossUnrealizedLossesBeforeTax

crsp:CashEquivalentsGrossUnrealizedLossesBeforeTax


Cash
Period End2020-09-30
Value1000.0
Percentage of CashEquivalentsGrossUnrealizedLossesBeforeTax100.0

crsp:CashEquivalentsGrossUnrealizedLossesBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Cash
Period End2020-09-30
Value1000.0
Percentage of CashEquivalentsGrossUnrealizedLossesBeforeTax100.0

crsp:CommonStockConditionalCapital us-gaap:InvestmentType

crsp:CommonStockConditionalCapital

crsp:BondsOrSimilarDebtInstruments


Common
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value4.91974.91974.91974.924.92
Percentage of CommonStockConditionalCapital100.0100.0100.0100.0100.0

crsp:CommonStockConditionalCapital us-gaap:PlanName

crsp:EmployeeBenefitPlans


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value17171818191915
Percentage of CommonStockConditionalCapital355.6355.6380.1380.00.00.0316.6

crsp:CommonStockRegisteredShareCapital

crsp:CommonStockRegisteredShareCapital


Common
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value7164616152
Percentage of CommonStockRegisteredShareCapital100.0100.0100.0100.0100.0

crsp:MilestonePaymentReceivable us-gaap:CounterpartyName

crsp:MilestonePaymentReceivable

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries


Milestone
Period End2020-09-302020-06-302020-03-312015-10-26
Value410410410420
Percentage of MilestonePaymentReceivable100.0100.0100.0100.0

crsp:MilestonePaymentReceivable us-gaap:CounterpartyName, us-gaap:StatementScenario, us-gaap:TypeOfArrangement

crsp:VertexPharmaceuticalsInc, srt:ScenarioForecast, us-gaap:CollaborativeArrangement


Milestone
Period End2020-04-30
Value25
Percentage of MilestonePaymentReceivable0.0

crsp:MilestonePaymentReceivable us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

crsp:VertexPharmaceuticalsInc, us-gaap:CollaborativeArrangement


Milestone
Period End2020-04-30
Value25
Percentage of MilestonePaymentReceivable0.0

crsp:MilestonePaymentReceivableInclusiveOfExerciseOfEachExclusiveOption us-gaap:CounterpartyName, us-gaap:ProductOrService

crsp:MilestonePaymentReceivableInclusiveOfExerciseOfEachExclusiveOption

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, crsp:CollaborativeArrangementMaterialRights


Milestone
Period End2020-09-30
Value420
Percentage of MilestonePaymentReceivableInclusiveOfExerciseOfEachExclusiveOption100.0

crsp:OperatingLeaseAssetsFairValueDisclosure

crsp:OperatingLeaseAssetsFairValueDisclosure


Operating
Period End2020-09-30
Value11
Percentage of OperatingLeaseAssetsFairValueDisclosure100.0

crsp:OperatingLeaseLiabilitiesFairValueDisclosure

crsp:OperatingLeaseLiabilitiesFairValueDisclosure


Operating
Period End2020-09-30
Value11
Percentage of OperatingLeaseLiabilitiesFairValueDisclosure100.0

crsp:PrepaidExpensesAndOtherCurrentAssetsFairValueDisclosure

crsp:PrepaidExpensesAndOtherCurrentAssetsFairValueDisclosure


Prepaid
Period End2020-09-30
Value2565000.0
Percentage of PrepaidExpensesAndOtherCurrentAssetsFairValueDisclosure100.0

crsp:RestrictedCashFairValueDisclosure

crsp:RestrictedCashFairValueDisclosure


Restricted
Period End2020-09-30
Value1226000.0
Percentage of RestrictedCashFairValueDisclosure100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1762000.01742000.01694000.02040000.02537000.02096000.02446000.01848000.02397000.01487000.0989000.02176000.01281000.01892000.01873000.02715000.01971000.02412000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-09-302019-12-31
Value1022943
Percentage of AssetsFairValueDisclosure100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-09-30
Value343
Percentage of AssetsFairValueDisclosure33.6

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-09-302019-12-31
Value1366944
Percentage of AssetsFairValueDisclosure133.7100.1

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2020-09-30
Value11000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2020-09-30
Value9000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax81.8

us-gaap:USTreasurySecurities


Available
Period End2020-09-30
Value2000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax18.2

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2020-09-30
Value154000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2020-09-30
Value154000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2020-09-30
Value324
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2020-09-30
Value182
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis56.3

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2020-09-30
Value6.772
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.1

us-gaap:USTreasurySecurities


Available
Period End2020-09-30
Value39
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis12.3

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

us-gaap:CertificatesOfDeposit


Available
Period End2020-09-30
Value9.153
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.8

us-gaap:CommercialPaper


Available
Period End2020-09-30
Value86
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis26.5

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2020-09-30
Value324
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0

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

us-gaap:CertificatesOfDeposit, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value9.153
Percentage of AvailableForSaleSecuritiesDebtSecurities2.8

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


Available
Period End2020-09-30
Value86
Percentage of AvailableForSaleSecuritiesDebtSecurities26.5

us-gaap:CorporateDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value182
Percentage of AvailableForSaleSecuritiesDebtSecurities56.2

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value6.772
Percentage of AvailableForSaleSecuritiesDebtSecurities2.1

us-gaap:USTreasurySecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value39
Percentage of AvailableForSaleSecuritiesDebtSecurities12.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:CertificatesOfDeposit, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value9.153
Percentage of AvailableForSaleSecuritiesDebtSecurities2.8

us-gaap:CommercialPaper, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value86
Percentage of AvailableForSaleSecuritiesDebtSecurities26.5

us-gaap:CorporateDebtSecurities, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value182
Percentage of AvailableForSaleSecuritiesDebtSecurities56.2

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value6.772
Percentage of AvailableForSaleSecuritiesDebtSecurities2.1

us-gaap:USTreasurySecurities, us-gaap:FairValueMeasurementsRecurring


Available
Period End2020-09-30
Value39
Percentage of AvailableForSaleSecuritiesDebtSecurities12.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2020-09-30
Value182
Percentage of AvailableForSaleSecuritiesDebtSecurities56.2

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2020-09-30
Value6.772
Percentage of AvailableForSaleSecuritiesDebtSecurities2.1

us-gaap:USTreasurySecurities


Available
Period End2020-09-30
Value39
Percentage of AvailableForSaleSecuritiesDebtSecurities12.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:InvestmentType

us-gaap:CertificatesOfDeposit


Available
Period End2020-09-30
Value9.153
Percentage of AvailableForSaleSecuritiesDebtSecurities2.8

us-gaap:CommercialPaper


Available
Period End2020-09-30
Value86
Percentage of AvailableForSaleSecuritiesDebtSecurities26.5

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

crsp:CasebiaTherapeuticsLlp


Business
Period End2020-09-30
Value16
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CashAndCashEquivalentsFairValueDisclosure


Cash
Period End2020-09-30
Value6.784
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0

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

us-gaap:Cash, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-302019-12-31
Value12513
Percentage of CashAndCashEquivalentsFairValueDisclosure1853.10.0

us-gaap:CertificatesOfDeposit, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-30
Value4.012
Percentage of CashAndCashEquivalentsFairValueDisclosure59.1

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


Cash
Period End2020-09-30
Value8.497
Percentage of CashAndCashEquivalentsFairValueDisclosure125.3

us-gaap:CorporateDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-30
Value6.504
Percentage of CashAndCashEquivalentsFairValueDisclosure95.9

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-302019-12-31
Value896929
Percentage of CashAndCashEquivalentsFairValueDisclosure13217.70.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:Cash, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-302019-12-31
Value12513
Percentage of CashAndCashEquivalentsFairValueDisclosure1853.10.0

us-gaap:CertificatesOfDeposit, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-30
Value4.012
Percentage of CashAndCashEquivalentsFairValueDisclosure59.1

us-gaap:CommercialPaper, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-30
Value8.497
Percentage of CashAndCashEquivalentsFairValueDisclosure125.3

us-gaap:CorporateDebtSecurities, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-30
Value6.504
Percentage of CashAndCashEquivalentsFairValueDisclosure95.9

us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-09-302019-12-31
Value896929
Percentage of CashAndCashEquivalentsFairValueDisclosure13217.70.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value1058951894948633431440459490322344242256275318156
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCollateralForBorrowedSecurities us-gaap:CreditFacility

us-gaap:CashCollateralForBorrowedSecurities

us-gaap:LetterOfCredit


Cash
Period End2020-09-302018-12-312017-12-312016-12-312016-09-302015-12-31
Value163.23.23.23.20.7
Percentage of CashCollateralForBorrowedSecurities100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2020-09-302018-12-312017-12-312016-12-312015-12-31
Value915456239315156
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Cash
Period End2020-09-30
Value6.505
Percentage of CashEquivalentsAtCarryingValue0.7

us-gaap:CashEquivalentsAtCarryingValue us-gaap:InvestmentType

us-gaap:CertificatesOfDeposit


Cash
Period End2020-09-30
Value4.012
Percentage of CashEquivalentsAtCarryingValue0.4

us-gaap:CommercialPaper


Cash
Period End2020-09-30
Value8.497
Percentage of CashEquivalentsAtCarryingValue0.9

us-gaap:MoneyMarketFunds


Cash
Period End2020-09-30
Value896
Percentage of CashEquivalentsAtCarryingValue97.9

us-gaap:ContractWithCustomerAssetNetCurrent us-gaap:CounterpartyName, us-gaap:FairValueByAssetClass

us-gaap:ContractWithCustomerAssetNetCurrent

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries, us-gaap:AccountsReceivable


Contract
Period End2020-03-31
Value25
Percentage of ContractWithCustomerAssetNetCurrent100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1111111111575757575756
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent us-gaap:CounterpartyName

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries


Contract
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value11111111115757
Percentage of ContractWithCustomerLiabilityNoncurrent100.2100.2100.2100.2100.299.9100.0

us-gaap:ContractualObligation us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

us-gaap:ContractualObligation

us-gaap:OtherCurrentLiabilities, crsp:TwoThousandAndNineteenCasebiaAgreement


Contractual
Period End2020-09-302020-06-302020-03-312019-12-31
Value11121111
Percentage of ContractualObligation100.0100.0100.0100.0

us-gaap:OtherNoncurrentLiabilities, crsp:TwoThousandAndNineteenCasebiaAgreement


Contractual
Period End2020-09-302020-06-302020-03-312019-12-31
Value4.88.31114
Percentage of ContractualObligation41.466.995.8127.3

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2020-09-30
Value107
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value14105.431158.1745.6043.8347.3215.3534.6963.2875.554.1263.5671.572.5851.9870.773
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:RestrictedStock


Employee
Period End2020-09-30
Value31
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2020-09-30
Value105
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:Ownership

us-gaap:EquityMethodInvestmentOwnershipPercentage

crsp:CasebiaTherapeuticsLlp


Equity
Period End2020-09-302020-06-302020-03-31
Value50.00.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

crsp:CasebiaTherapeuticsLlp, crsp:TwoThousandAndNineteenOptionAgreement


Equity
Period End2020-09-302020-06-302020-03-312019-12-31
Value50.00.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.00.0

us-gaap:EquityMethodInvestmentsFairValueDisclosure us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

us-gaap:EquityMethodInvestmentsFairValueDisclosure

crsp:CasebiaTherapeuticsLlp, crsp:TwoThousandAndNineteenCasebiaAgreement


Equity
Period End2020-09-30
Value16
Percentage of EquityMethodInvestmentsFairValueDisclosure100.0

us-gaap:FairValueNetAssetLiability

us-gaap:FairValueNetAssetLiability


Fair
Period End2020-09-30
Value16
Percentage of FairValueNetAssetLiability100.0

us-gaap:MarketableSecurities

us-gaap:MarketableSecurities


Marketable
Period End2020-09-30
Value125
Percentage of MarketableSecurities100.0

us-gaap:PropertyPlantAndEquipmentFairValueDisclosure

us-gaap:PropertyPlantAndEquipmentFairValueDisclosure


Property
Period End2020-09-30
Value9340000.0
Percentage of PropertyPlantAndEquipmentFairValueDisclosure100.0

us-gaap:RestrictedCashNoncurrent

us-gaap:RestrictedCashNoncurrent


Restricted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value166.3035.0415.0413.9153.9153.1633.1633.1653.1653.1653.154
Percentage of RestrictedCashNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation us-gaap:CounterpartyName

us-gaap:RevenueRemainingPerformanceObligation

crsp:VertexPharmaceuticalsIncorporatedAndItsCertainSubsidiaries


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-06-302015-10-26
Value121212125782
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:RestrictedStock


Share
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value923370.0967060.0699530.0380250.0338000.0345300.0327340.0451200.0511380.0625840.0740220.01628000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value54.8453.8853.5956.5342.9837.7237.0536.7233.9817.089.178.497.33.763.813.844.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2020-09-30
Value28.68
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2020-09-30
Value36.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value195320.0232400.0250230.0256990.0256990.0307940.0307940.0307940.0409360.0438620.0444870.0444870.0444870.0444870.0444870.0274180.00
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Line plots across dimensions of each concept


us-gaap:SharesOutstanding
us-gaap:StatementEquityComponents
(None,)
Shares Outstandingus-gaap: Statement Equity Components
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:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
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:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components