IRWD


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

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

us-gaap:Revenues

us-gaap:CostOfRevenue

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:ResearchAndDevelopmentExpense
us-gaap:CounterpartyName
us-gaap:CounterpartyName, us-gaap:StatementGeographical
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ProductOrService

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical
us-gaap:SellingAndMarketingExpense

us-gaap:OperatingIncomeLoss

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

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ProfitLoss

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:Assets

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:CounterpartyName

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LongTermDebt
us-gaap:LongtermDebtType

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

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

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical
irwd:CollaborativeArrangementNetIncomeLossRecognized
us-gaap:CounterpartyName, irwd:AchievementOfMilestone
irwd:CollaborativeArrangementPercentageOfNetLoss
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical, irwd:AchievementOfMilestone

irwd:FairValueAdjustmentOfConvertibleNoteHedgingInstrument

irwd:IncreaseDecreaseInAccruedResearchAndDevelopmentExpense

irwd:IncreaseDecreaseInOperatingLeaseLiability

irwd:IncreaseDecreaseInOperatingLeaseRightOfUseAsset
us-gaap:CounterpartyName
irwd:NetCostSharingOffsetRelatedToResearchAndDevelopmentExpenseReimbursement
us-gaap:CounterpartyName, us-gaap:ProductOrService
irwd:PatentAndLitigationCosts

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

us-gaap:AmortizationOfFinancingCostsAndDiscounts
us-gaap:DerivativeInstrumentRisk
us-gaap:DebtConversionConvertedInstrumentSharesIssued1

us-gaap:Depreciation

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:FairValueAdjustmentOfWarrants

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInReceivables
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebtExcludingAmortization
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical
us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeNet

us-gaap:LeaseCost

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NumberOfReportableSegments

us-gaap:OperatingLeaseCost
us-gaap:CounterpartyName

us-gaap:OperatingLeasePayments

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionAmountsOfTransaction

us-gaap:RestructuringCharges

us-gaap:ShortTermLeaseCost
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:VariableLeaseCost
us-gaap:ProductOrService
irwd:AccountsReceivableNetAndRelatedPartyAccountsReceivableNetNetOfRelatedPartyAccountsPayable

irwd:AccruedExpensesAndOtherLiabilitiesCurrent

irwd:AccruedResearchAndDevelopmentExpenseCurrent

irwd:UnbilledInventories

us-gaap:AccountsPayableRelatedPartiesCurrent
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ProductOrService
us-gaap:CounterpartyName, us-gaap:ProductOrService
us-gaap:AccountsReceivableNet
us-gaap:ProductOrService

us-gaap:AccountsReceivableNetNoncurrent
us-gaap:ProductOrService
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedSalariesCurrent

us-gaap:AccruedVacationCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementFrequency
us-gaap:ClassOfWarrantOrRight
us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

us-gaap:ConvertibleDebtNoncurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
us-gaap:LongtermDebtType
us-gaap:DerivativeInstrumentRisk
us-gaap:DebtInstrumentConvertibleConversionPrice1
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:LongtermDebtType
us-gaap:MeasurementInputType
us-gaap:DerivativeAssetMeasurementInput
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeAssets
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementFrequency
us-gaap:MeasurementInputType
us-gaap:DerivativeLiabilityMeasurementInput

us-gaap:DueFromRelatedPartiesCurrent

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
us-gaap:FairValueByLiabilityClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:HedgingAssetsNoncurrent

us-gaap:HedgingLiabilitiesNoncurrent

us-gaap:InterestPayableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:OperatingLeaseLiability
us-gaap:CounterpartyName

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent

us-gaap:RestrictedCash

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedCashNoncurrent

us-gaap:RestructuringReserveCurrent

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:LongtermDebtType

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue █▇▆▄▃▃▁160000.0159000.0158000.0157000.0156000.0156000.0154000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued █▇▅▄▄▃▁159.976245159.368126157.535962156.808126156.442332155.625549154.414691NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding █▇▅▄▄▃▁159.976245159.368126157.535962156.808126156.442332155.625549154.414691NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█0.159920.15997NANA0.1558490.154956NANANANANANANANANANANANANANANANANANANANANA120.768893NANANA114.337327107.07815103.75106NA100.174199.67496999.075187NA97.92565797.64233NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁0.1594070.158374NANA0.1558490.154956NANANANANANANANANANANANANANANANANANANANANA120.768893NANANA107.266823107.07815103.75106NA100.174199.67496999.075187NA97.92565797.64233NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA67.926NANANA68.378NANANA66.734NANANA65.081NANANA64.33NANANA21.63NANANA21.921NA20.295063NA20.906049NA9.044014NA18.771592NA16.043005NA16.290882NANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities irwd:ConvertibleSeniorNotes0.75PercentDue2024NA14.934NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities irwd:ConvertibleSeniorNotes1.50PercentDue2026NA14.934NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities irwd:ConvertibleSeniorNotes2.25PercentDue2022NA8.318NANANA20.25NANANANANANANANANANANA20.25NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities irwd:NoteHedgeWarrantsNA8.318NANANA20.25NANANA20.25NANANA20.25NANANA20.25NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities irwd:RestrictedStockVestingBasedOnPerformanceNA0.543NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities irwd:RestrictedStockVestingBasedOnTimeNA4.945NANANA3.641NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockNA0.105NANANA0.125NANANA0.138NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOptionNA15.647NANANA24.08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EquityUnitPurchaseAgreementsNA0.182NANANA0.032NANANA0.031NANANA0.052NANANA0.037NANANA0.049NANANA0.045NA0.0225NA0.0675NANANA0.14NA0.181807NA0.252094NANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▆▅██▆▅█▄▅▅▆▆▄▄▆▄▄▄▄▃▂▂▃▂▁▂▁▁▁▁▂▆▂▁▃▁▁▁▂▁▁▁89.43279.943126.301131.167102.21568.73130.69265.68681.10669.15594.20886.82565.07752.16687.45966.10654.3566.04253.30739.57227.74428.93238.07316.9186.8414.6055.0314.9329.6633.25526.9896.41314.60412.24832.15412.21811.26210.23716.7729.0599.1888.838
us-gaap:Revenues ▆▅██▆▅█▄▅▅▆▆▄▄▆▄▄▄▄▃▂▂▃▂▁▂▁▁▁▁▂▆▂▁▃▁▁▁▂▁▁▁89.43279.943126.301131.167102.21568.73130.69265.68681.10669.15594.20886.82565.07752.16687.45966.10654.3566.04253.30739.57227.74428.93238.07316.9186.8414.6055.0314.9329.6633.25526.9896.41314.60412.24832.15412.21811.26210.23716.7729.0599.1888.838
us-gaap:CostOfRevenue ▁▂▅▁▅▁█▃▂▂▄▃▂▁0.02.23911.0130.50611.3131.04321.4634.6164.0652.6078.9846.083.5020.531NANANANA0.0-8.158.150.01213.1410.010.5181.9240.5332.0213.4181.231NANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold ▁▂▅▁▅▁█▃▂▂▄▃▂▁0.02.23911.0130.50611.3131.04321.4634.6164.0652.6078.9846.083.5020.531NANANANA0.0-8.158.150.01213.1410.010.5181.9240.5332.0213.4181.231NANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▂▂▃▂▃▄▄█▄▄▂▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▁▁▁▁56.71966.71676.70965.2880.638123.102124.697234.785121.026105.02371.443106.259106.08891.87193.75994.39369.66568.0159.13465.75769.75356.99971.19853.65761.95958.99251.76961.48369.54392.08870.8848.80555.43847.88439.18633.83430.21428.779NANANANA
us-gaap:ResearchAndDevelopmentExpense ▂▃▃▃▃█▆▇▅▅▅▅▅▄▅▅▄▄▃▂▃▃▃▂▂▃▂▂▂▄▃▂▄▃▂▂▁▁▂▁▁22.07628.02726.53727.55128.75853.9944.27246.79438.93236.50540.11737.06537.34433.70238.44237.52631.68231.84227.62725.8328.64826.64127.48225.12222.14227.14422.51623.01624.09332.75328.27323.45332.23829.5124.22422.90519.40919.55521.26618.74219.897NA
us-gaap:SellingGeneralAndAdministrativeExpense ▃▄▄▄▅█▇▆█▇▇▇▇▆▆▅▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▁34.64336.4539.1940.91943.24664.74158.17955.24868.36361.92357.95361.77457.79255.60455.20844.98736.91836.16831.50730.43932.95530.34630.57528.53529.29929.92428.7230.26430.8733.37433.27422.84620.09916.319NANANANANANANANA
 us-gaap:SellingAndMarketingExpense us-gaap:CounterpartyName,us-gaap:ProductOrService,us-gaap:StatementGeographical irwd:AllerganPlc,irwd:CollaborativeArrangementsLinzess,country:USNA8.6748.3599.12910.35910.2778.87910.91511.713NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▇▆██▇▄▆▁▅▅▇▅▅▅▆▅▆▆▆▅▅▅▅▅▄▅▅▄▄▃▅▇▅▅▆▅▅▅▆▆▆32.71313.22749.59365.88721.577-54.3725.995-169.099-39.92-35.86822.765-19.434-41.011-39.705-6.3-28.287-15.315-1.968-5.827-26.185-42.009-28.067-33.125-36.739-55.119-44.387-46.738-56.551-59.88-88.833-43.947.608-40.834-35.636-7.032-21.616-18.952-18.542-12.795-16.165-17.31NA
us-gaap:InterestExpense ▆▆▆█▇▇▇▇▇▇▇▇▇▇▇█████▅▄▅▅▅▅▅▅▅▄▁▁▁▁▁▁▁▁▁▁▁7.3187.227.12310.4579.439.5929.5869.4829.3839.2739.2069.1359.0468.9839.6549.7659.8279.9079.98110.0215.8745.225.265.325.3035.2835.2985.2655.3185.1210.0180.0140.0130.0140.0140.0160.0170.0160.0180.0810.044NA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType irwd:ConvertibleSeniorNotes2.25PercentDue2022,us-gaap:ConvertibleNotesPayable███▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▁7.3187.227.1226.5416.3366.2356.1346.0385.9415.8485.7575.6685.5815.4965.4135.3325.2535.1765.15.0270.81NANANANANANANANANANANANANANANANANANANANANA
us-gaap:AllocatedShareBasedCompensationExpense ▄▃▃▃▃█▆▇▆▅▄▄▅▄▄▃▄▃▃▃▃▃▄▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁7.0916.3645.4865.526.33714.98811.71413.02510.7529.0438.7048.6979.147.2797.3836.9338.0976.8066.56.646.9035.4268.5625.5366.0126.0744.5385.1994.8175.2754.6615.1354.0563.7213.2212.8622.9512.698NANANANA
us-gaap:NonoperatingIncomeExpense ▇▆█▁▆▇▅▇▆▇▆▆▇▆▇▇▇▆▇▅▇▇▇▇▇▇▇▇▇▇████████████-7509000.0-9882000.0-1735000.0-45239000.0-9294000.0-4912000.0-21488000.0-5252000.0-9460000.0-7276000.0-10680000.0-12863000.0-3213000.0-12796000.0-7205000.0-4917000.0-6387000.0-11329000.0-8210000.0-21205000.0-6011000.0-5155000.0-4522000.0-5249000.0-5238000.0-5239000.0-5248000.0-5224000.0-5269000.0-5069000.045000.027000.031000.035000.058000.0986000.0108000.0141000.01144000.0107000.0145000.015000.0
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest ▇▆█▇▇▆▇▁▅▅25.2043.34547.85820.64812.283-21.8468.373-151.823-24.137-26.559NANANANANANANANANANANANANANANANANANANANA-43.85547.635-40.803-35.601-6.974-20.633-18.844-18.401-11.651-13.114-17.165-14.481
us-gaap:ProfitLoss ▇▇█▇▇▅▆▁▅▅▇▅▅▅▆▅25.2043.34547.85820.64812.283-59.284-15.493-174.351-49.38-43.14412.085-32.297-44.224-52.501-13.505-33.204NANANANANANANANANANANA-61.775NANA-43.85547.635NANA-6.974-20.633-18.844-18.401-11.651-6.747-17.209-16.253
us-gaap:NetIncomeLoss ▇▇█▇▇▅▆▁▅▅▇▅▅▅▆▅▆▆25.2043.34547.85820.64812.283-59.284-15.493-174.351-49.38-43.14412.085-32.297-44.224-52.501-13.505-33.204-21.702-13.297NANANANANANANANANANANANANANANANANANA-18.844NANANA-17.136NA
us-gaap:ComprehensiveIncomeNetOfTax 25.204NA47.85820.64812.283-59.284-15.484-174.316-49.333-43.15612.012-32.279-44.207-52.535-13.573-33.182-21.692-13.182-14.171-47.364-48.001-33.2-37.691-41.966-60.342-49.64-52.003-61.755-65.162-93.895-43.85747.651-40.815-35.604-6.974-20.68-18.843-18.35NANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▄▄▄▃▂▃▃▄▆▆▆▇█████▆▆▆▇▂▃▃▃▄▂▃▃▃▁▂▁▂▁▁▂443.538404.005402.748334.343315.721363.538332.05416.652618.218571.095605.674625.086705.079701.319709.821731.978700.208603.325619.121613.426653.941305.528333.513346.168371.064418.871278.962325.843384.031325.093229.907246.518208.663249.176208.977219.48249.727NA301.365NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▄▄▄▃▂▃▃▄▆▆▆▇█████▆▆▆▇▂▃▃▃▄▂▃▃▃▁▂▁▂▁▁▂443.538404.005402.748334.343315.721363.538332.05416.652618.218571.095605.674625.086705.079701.319709.821731.978700.208603.325619.121613.426653.941305.528333.513346.168371.064418.871278.962325.843384.031325.093229.907246.518208.663249.176208.977219.48249.727NA301.365NANANA
us-gaap:StockholdersEquity ▄▄▃▂▁▁▂▂▄▅▅▅▅▅▆▆▆▆▆▇▇▆▆▇▇█▆▆▇▆▇█▇█▇-36.852-71.557-93.251-153.047-219.367-237.179-196.371-197.295-43.951-18.0529.848-17.5794.8729.63766.71659.45881.38190.93595.125100.458140.28368.16288.552108.15141.831188.94338.22584.209139.41658.523144.052182.108128.781164.146109.856NANANA159.551NANANA
 us-gaap:StockholdersEquity us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:CommonClassA,us-gaap:CommonStockNA0.1590.1580.1570.1560.1560.1540.140.1390.1380.137NANANA0.133NANANA0.127NANANA0.125NANANA0.103NANANA0.078NANANA0.062NANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital██▇▇▅▅▄▃▂▂▁1506.6711497.1711478.8231466.8861421.2151413.0771394.6031378.1951357.2241333.7911318.536NANANA1258.398NANANA1205.183NANANA1055.876NANANA815.93NANANA648.955NANANA542.141NANANA526.991NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock█▄▁0.160.1590.158NA0.1560.1560.154NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▃▃▃▂▁▁▂▃▆▇█-1543.683-1568.887-1572.232-1620.09-1640.738-1650.412-1591.128-1575.635-1401.284-1351.904-1308.76NANANA-1191.823NANANA-1110.115NANANA-967.446NANANA-777.828NANANA-505.016NANANA-432.392NANANA-367.54NANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▅▄▄▃▂▂▃▃▃▃▄▄▄▅▅▅▅▇▇██▃▃▄▄▅▂▃▄▃▁▂▁▂▁▁▂374.275333.943306.852257.638220.985201.832266.435248.548279.542275.727311.596314.053341.487357.853380.181382.804386.142495.701500.205505.779526.959263.876289.73304.081325.76371.305229.128275.826335.78275.634184.44202.347166.083206.265167.567178.766208.382NA259.075NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇▇▅▄▃▃▅▄▄▄▄▅▅▄▂▅██▇▇▇▂▂▁▃▆▂▄▆▃▄▄▂▄▂▂▁▁▁▂▁253.252231.143177.023139.23198.908119.045173.172141.562145.415144.788125.736162.64182.132133.31954.004182.937277.332280.926261.287248.077256.4563.69274.29751.26995.357205.12975.49144.452219.461105.302136.7125.86787.083131.61287.28268.8248.18546.21444.32158.69635.357NA
us-gaap:AccountsReceivableNetCurrent █▂▂▁▃▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁105.37917.70311.2792.01722.6043.29120.99110.1936.7484.9883.194.283.9751.1520.9331.1741.2720.9082.8842.571.0570.8620.010.38NA0.0130.5130.125NA0.0120.4570.1690.0220.1090.0740.0740.11NA0.019NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▅▄▄▄▃▃▄█▆▃▃▃▃▃▃▃▃▃▂▂▂▃▄▄▂▂▂▄▃▅▃▃▂▁▁▁▂14.39410.44310.68511.8638.888.32711.06321.69916.6788.9247.2888.0748.2358.6649.039.2167.6227.7316.2936.5026.5959.21210.60311.3896.3385.2866.1689.7899.56513.8538.0267.8775.9644.0482.8992.8964.658NA5.32NANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentNet ▂▂▂▂▁▄▃▃▃▃▃▃▄▄▄▄▄▄▄▅▅▆▆▆▇███▇███▇▇▇▇▇11.1912.16412.42911.3816.66519.01717.2716.16116.33516.84417.27417.17517.85418.63320.51218.84217.93919.44621.07523.18325.01727.47729.82630.41533.5635.52437.37637.23135.01336.137.53736.4734.85935.1433.62532.87533.484NA34.369NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▁▁▁▂█17.15617.44717.74319.79325.56984.833NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂▂▁▁▁▁▁▂▂▂▂▂▂▂▃▃▃▄▄▅▅██▅▅▆▆▆▇▇▁▁▁▁▁▁▁820000.0838000.05000.020000.026000.056000.0114000.0708000.0771000.0809000.0870000.0799000.0738000.0783000.01456000.01412000.01818000.02243000.02628000.03223000.03504000.06028000.05810000.03525000.03597000.03895000.04311000.04639000.05091000.05212000.0283000.054000.074000.0124000.0138000.0192000.0214000.0NA274000.0NANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LiabilitiesCurrent ▁▁▂▃▇██▇▆▄▄▄▅▅▆▆▆▅▅▄▄▃▄▃▂▂▂▂▂▄▃▂▃▃▄▄▄26.69527.59540.92952.795110.861118.569119.524112.58294.98462.33666.02764.48979.97378.89391.13195.30590.99978.11376.46567.7862.09959.81360.54154.05741.62638.541.0439.70143.96662.68254.93835.57749.12152.28365.13470.84870.844NA64.426NANANA
us-gaap:AccountsPayableCurrent ▁▁▂▂▃▄▆▃█▄▅2.1042.7813.9784.5057.87211.20318.1239.33223.78611.60915.958NANANA17.70219.7528.9994.7418.586NANA5.2279.7546.1033.3934.84410.1392.4366.5693.30314.2172.6526.9211.9966.4362.396.507NA4.302NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▁▂▅▄▇█▆▅▆▄▆▅▅▅▄▃▁▂▁2.6014.23310.0319.19115.02516.81712.41211.13412.418.68812.15710.17410.7110.4479.3515.3573.1053.2382.109NA3.9394.0994.6064.4824.6254.3773.2673.4383.1734.5935.5465.32NANA2.777NANANA3.039NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▂▁▁▇██2.611.8761.1469.93411.90412.08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▄▄▄0.8750.8750.875NANANANA13.521NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt █▁418.924413.409NA402.675NANANANANANANANANANANANANANA220.62NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▁▁▁▁▃▃▂▂▄▄▄▇▇▇▇████0.6020.7050.7340.4922.6262.7232.532.535.065.065.068.198.198.198.1910.1210.1210.1210.12NANANANANANANA1.6531.6531.6530.9090.992NANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▄█21.21121.64622.082NANA79.95NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▄▄▃▂▁▁▂▂▄▅▅▅▅▅▆▆▆▆▆▇▇▆▆▇▇█▆▆▇▆▇█▇█▇-36.852-71.557-93.251-153.047-219.367-237.179-196.371-197.295-43.951-18.0529.848-17.5794.8729.63766.71659.45881.38190.93595.125100.458140.28368.16288.552108.15141.831188.94338.22584.209139.41658.523144.052182.108128.781164.146109.856NANANA159.551NANANA
 us-gaap:StockholdersEquity us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:CommonClassA,us-gaap:CommonStockNA0.1590.1580.1570.1560.1560.1540.140.1390.1380.137NANANA0.133NANANA0.127NANANA0.125NANANA0.103NANANA0.078NANANA0.062NANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital██▇▇▅▅▄▃▂▂▁1506.6711497.1711478.8231466.8861421.2151413.0771394.6031378.1951357.2241333.7911318.536NANANA1258.398NANANA1205.183NANANA1055.876NANANA815.93NANANA648.955NANANA542.141NANANA526.991NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock█▄▁0.160.1590.158NA0.1560.1560.154NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▃▃▃▂▁▁▂▃▆▇█-1543.683-1568.887-1572.232-1620.09-1640.738-1650.412-1591.128-1575.635-1401.284-1351.904-1308.76NANANA-1191.823NANANA-1110.115NANANA-967.446NANANA-777.828NANANA-505.016NANANA-432.392NANANA-367.54NANANA
us-gaap:CommonStockValue █▇▆▄▃▃▁160000.0159000.0158000.0157000.0156000.0156000.0154000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdditionalPaidInCapitalCommonStock ████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▄▃▃▃▂▂▂▂▂▁▁▁1506.6711497.1711478.8231466.8861421.2151413.0771394.6031378.1951357.2241333.7911318.5361303.1231293.2921273.8531258.3981237.5691226.3111214.1741205.1831196.3451188.8071068.6851055.8761037.7841029.5011016.271815.93809.911803.363657.32648.955643.154637.478632.029542.141538.241534.749NA526.991NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▂▁▁▁▁▁▁▁▂▃▃▃▃▃▄▄▄▄▄▄▄▅▅▅▅▆▆▆▇▇▇█▇████-1543683000.0-1568887000.0-1572232000.0-1620090000.0-1640738000.0-1650412000.0-1591128000.0-1575635000.0-1401284000.0-1351904000.0-1308760000.0-1320845000.0-1288548000.0-1244324000.0-1191823000.0-1178318000.0-1145114000.0-1123412000.0-1110115000.0-1096078000.0-1048688000.0-1000668000.0-967446000.0-929799000.0-887811000.0-827454000.0-777828000.0-725842000.0-664067000.0-598918000.0-505016000.0-461161000.0-508796000.0-467993000.0-432392000.0-425418000.0-404785000.0NA-367540000.0NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁7.0916.364NA5.526.33714.988NA12.65210.5689.062NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▇▇▄▁▅▂▃▂▄▂▂▂▃▄20.08843.60327.5834.767-9.237-42.3859.273-26.578-22.691-30.886-9.214-31.242-31.261-27.846-18.686-0.645NANANANANA-35.784-22.784-38.68-36.21-57.894-42.078-57.954-80.14-93.183-22.45938.995-43.107-43.062-7.701-25.415NANA-0.646-22.776NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▅▅▅▆▅▅▇▄▆▇█▁▂-0.376-1.438-2.661-3.077-2.429-2.97717.48814.28512.4444.653-33.85326.65970.59588.059-115.424-90.361NANANANANA19.76138.311-7.883-80.525-6.472-28.079-18.02253.183-108.51532.225-0.68-2.7551.28825.54345.485NANA-14.47146.696NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▇▅▆▃▂▅▆▇▅▅▁▆█▅▃2.39711.9556.4478.633-7.5-8.7654.8497.8112.1285.2856.163-14.9099.47919.1025.177-3.389NANANANANA5.4187.5012.4756.963194.0051.1950.967141.116170.31.0670.4691.33386.1040.620.565NANA0.742-0.581NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▇▅▆▃▁▅▄▄▅▂▃▆█22.10954.1231.36640.323-19.166-54.12731.61-4.4831.87719.052-36.904-19.49247.62379.315NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▇▇▄▁▅▂▃▂▄▂▂▂▃▄20.08843.60327.5834.767-9.237-42.3859.273-26.578-22.691-30.886-9.214-31.242-31.261-27.846-18.686-0.645NANANANANA-35.784-22.784-38.68-36.21-57.894-42.078-57.954-80.14-93.183-22.45938.995-43.107-43.062-7.701-25.415NANA-0.646-22.776NANA
us-gaap:NetIncomeLoss ▇▇█▇▇▅▆▁▅▅▇▅▅▅▆▅▆▆25.2043.34547.85820.64812.283-59.284-15.493-174.351-49.38-43.14412.085-32.297-44.224-52.501-13.505-33.204-21.702-13.297NANANANANANANANANANANANANANANANANANA-18.844NANANA-17.136NA
us-gaap:ProfitLoss ▇▇█▇▇▅▆▁▅▅▇▅▅▅▆▅25.2043.34547.85820.64812.283-59.284-15.493-174.351-49.38-43.14412.085-32.297-44.224-52.501-13.505-33.204NANANANANANANANANANANA-61.775NANA-43.85547.635NANA-6.974-20.633-18.844-18.401-11.651-6.747-17.209-16.253
us-gaap:ShareBasedCompensation ▄▃▃▃▃█▆▇▆▅▅▅▅▄▄▄▄▄▃▄▄▃▅▃▃▃▂▃▃▃▂▃▂▂▂▂▂▁▁▁7.0916.3645.4865.5215.28314.98811.21512.96810.7519.0438.7048.6979.147.2797.3836.9338.0976.8066.56.646.9035.4268.5625.5366.0126.0744.5385.1994.8175.2754.6615.1354.0563.7213.2212.8622.9512.6982.361.883NANA
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument,us-gaap:LongtermDebtType irwd:ConvertibleSeniorNotes2.25PercentDue2022,us-gaap:ConvertibleNotesPayable██▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▁360000.0346000.0334000.0301000.0283000.0272000.0259000.0249000.0237000.0226000.0216000.0206000.0196000.0187000.0178000.0169000.0161000.0153000.0145000.0138000.022000.0NANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▅▅▅▆▅▅▇▄▆▇█▁▂-0.376-1.438-2.661-3.077-2.429-2.97717.48814.28512.4444.653-33.85326.65970.59588.059-115.424-90.361NANANANANA19.76138.311-7.883-80.525-6.472-28.079-18.02253.183-108.51532.225-0.68-2.7551.28825.54345.485NANA-14.47146.696NANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▇▅▆▃▂▅▆▇▅▅▁▆█▅▃2.39711.9556.4478.633-7.5-8.7654.8497.8112.1285.2856.163-14.9099.47919.1025.177-3.389NANANANANA5.4187.5012.4756.963194.0051.1950.967141.116170.31.0670.4691.33386.1040.620.565NANA0.742-0.581NANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value160000.0159000.0158000.0157000.0156000.0156000.0154000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value159159157156156155154
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock



Period End2020-03-312019-12-312019-03-312018-12-31
Value159157155154
Percentage of CommonStockSharesIssued100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value159159157156155154
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value159159157156156155154
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-06-302020-03-312019-06-302019-03-312013-09-302012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value0.159920.159970.1558490.15495612011410710310099999797
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-06-302020-03-312019-06-302019-03-312013-09-302012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value0.1594070.1583740.1558490.15495612010710710310099999797
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-09-302013-03-312012-09-302012-03-312011-09-302011-03-31
Value6768666564212120209.044014181616
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

irwd:ConvertibleSeniorNotes0.75PercentDue2024



Period End2020-03-31
Value14
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount22.0

irwd:ConvertibleSeniorNotes1.50PercentDue2026



Period End2020-03-31
Value14
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount22.0

irwd:ConvertibleSeniorNotes2.25PercentDue2022



Period End2020-03-312019-03-312016-03-31
Value8.3182020
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount12.229.631.5

irwd:NoteHedgeWarrants



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value8.31820202020
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount12.229.630.331.131.5

irwd:RestrictedStockVestingBasedOnPerformance



Period End2020-03-31
Value0.543
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.8

irwd:RestrictedStockVestingBasedOnTime



Period End2020-03-312019-03-31
Value4.9453.641
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount7.35.3

us-gaap:EmployeeStock



Period End2020-03-312019-03-312018-03-31
Value0.1050.1250.138
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.20.20.2

us-gaap:EmployeeStockOption



Period End2020-03-312019-03-31
Value1524
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount23.035.2

us-gaap:EquityUnitPurchaseAgreements



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-09-302013-03-312012-03-312011-09-302011-03-31
Value0.1820.0320.0310.0520.0370.0490.0450.02250.06750.140.1818070.252094
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.30.00.00.10.10.20.20.10.30.71.11.5

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value89791261311026813065816994866552876654665339272838166.84145.0314.9329.6633.2552696141232121110169.0599.1888.838
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName, us-gaap:ProductOrService

irwd:Alnylam, irwd:CollaborativeArrangementCoPromotionAgreement



Period End2020-06-302019-12-312019-09-30
Value1.0611.2780.722
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.00.6
Percentage of Revenues1.21.00.6
Percentage of Revenues irwd:Alnylam irwd:CollaborativeArrangementCoPromotionAgreement0.00.00.0

irwd:Alnylam, irwd:CollaborativeArrangementCoPromotionAndOtherAgreements



Period End2020-03-31
Value0.945
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.2
Percentage of Revenues1.2
Percentage of Revenues irwd:Alnylam irwd:CollaborativeArrangementCoPromotionAndOtherAgreements0.0

irwd:Alnylam, irwd:CollaborativeArrangementPromotionAgreement



Period End2020-06-302020-03-312019-12-31
Value1.10.91.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.11.0
Percentage of Revenues1.21.11.0
Percentage of Revenues irwd:Alnylam irwd:CollaborativeArrangementPromotionAgreement0.00.00.0

irwd:Alnylam, us-gaap:Royalty



Period End2020-06-30
Value0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.2
Percentage of Revenues0.2
Percentage of Revenues irwd:Alnylam us-gaap:Royalty0.0

us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical

irwd:AbbviePlc, irwd:CollaborativeArrangementCollaborationAndLicenseAgreements, irwd:EuropeAndOther



Period End2020-06-302019-06-30
Value0.440.262
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.3
Percentage of Revenues0.50.3
Percentage of Revenues irwd:AbbviePlc irwd:CollaborativeArrangementCollaborationAndLicenseAgreements irwd:EuropeAndOther0.00.0

irwd:AbbviePlc, irwd:CollaborativeArrangementCollaborationAndLicenseAgreements, srt:NorthAmerica



Period End2020-06-302019-06-30
Value8675
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax97.273.9
Percentage of Revenues97.273.9
Percentage of Revenues irwd:AbbviePlc irwd:CollaborativeArrangementCollaborationAndLicenseAgreements srt:NorthAmerica0.00.0

irwd:AbbviePlc, irwd:CollaborativeArrangements, srt:NorthAmerica



Period End2020-06-302019-06-30
Value8675
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax97.273.9
Percentage of Revenues97.273.9
Percentage of Revenues irwd:AbbviePlc irwd:CollaborativeArrangements srt:NorthAmerica0.00.0

irwd:AbbviePlc, irwd:CollaborativeArrangementsLinzess, srt:NorthAmerica



Period End2020-06-302019-06-30
Value8674
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax96.773.3
Percentage of Revenues96.773.3
Percentage of Revenues irwd:AbbviePlc irwd:CollaborativeArrangementsLinzess srt:NorthAmerica0.00.0

irwd:AbbviePlc, us-gaap:Royalty, irwd:CanadaAndMexico



Period End2020-06-302019-06-30
Value0.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.5
Percentage of Revenues0.40.5
Percentage of Revenues irwd:AbbviePlc us-gaap:Royalty irwd:CanadaAndMexico0.00.0

irwd:AbbviePlc, us-gaap:Royalty, srt:Europe



Period End2020-06-302019-06-30
Value0.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.3
Percentage of Revenues0.40.3
Percentage of Revenues irwd:AbbviePlc us-gaap:Royalty srt:Europe0.00.0

irwd:AbbviePlc, us-gaap:Royalty, srt:NorthAmerica



Period End2020-06-302019-06-30
Value0.4230.525
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.5
Percentage of Revenues0.50.5
Percentage of Revenues irwd:AbbviePlc us-gaap:Royalty srt:NorthAmerica0.00.0

irwd:AllerganPlc, irwd:CollaborativeArrangementCollaborationAndLicenseAgreements, irwd:EuropeAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.6430.510.5260.2620.420.3150.2550.304
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.40.40.30.60.20.40.4
Percentage of Revenues0.80.40.40.30.60.20.40.4
Percentage of Revenues irwd:AllerganPlc irwd:CollaborativeArrangementCollaborationAndLicenseAgreements irwd:EuropeAndOther0.00.00.00.00.00.00.00.0

irwd:AllerganPlc, irwd:CollaborativeArrangementCollaborationAndLicenseAgreements, srt:NorthAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value71102857564825269
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax89.780.964.973.994.362.880.386.1
Percentage of Revenues89.780.964.973.994.362.880.386.1
Percentage of Revenues irwd:AllerganPlc irwd:CollaborativeArrangementCollaborationAndLicenseAgreements srt:NorthAmerica0.00.00.00.00.00.00.00.0

irwd:AllerganPlc, irwd:CollaborativeArrangements, srt:NorthAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value71102857564825269
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax89.780.964.973.994.362.880.386.1
Percentage of Revenues89.780.964.973.994.362.880.386.1
Percentage of Revenues irwd:AllerganPlc irwd:CollaborativeArrangements srt:NorthAmerica0.00.00.00.00.00.00.00.0

irwd:AllerganPlc, irwd:CollaborativeArrangementsLinzess, country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value71101847464815269
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax89.080.464.573.393.562.479.685.4
Percentage of Revenues89.080.464.573.393.562.479.685.4
Percentage of Revenues irwd:AllerganPlc irwd:CollaborativeArrangementsLinzess country:US0.00.00.00.00.00.00.00.0

irwd:AllerganPlc, irwd:CollaborativeArrangementsLinzess, srt:NorthAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value71101847464815269
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax89.080.464.573.393.562.479.685.4
Percentage of Revenues89.080.464.573.393.562.479.685.4
Percentage of Revenues irwd:AllerganPlc irwd:CollaborativeArrangementsLinzess srt:NorthAmerica0.00.00.00.00.00.00.00.0

irwd:AllerganPlc, us-gaap:Royalty, irwd:CanadaAndMexico



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.60.60.50.50.50.40.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.50.40.50.70.30.80.7
Percentage of Revenues0.80.50.40.50.70.30.80.7
Percentage of Revenues irwd:AllerganPlc us-gaap:Royalty irwd:CanadaAndMexico0.00.00.00.00.00.00.00.0

irwd:AllerganPlc, us-gaap:Royalty, srt:Europe



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.60.50.50.30.40.30.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.40.40.30.60.20.30.4
Percentage of Revenues0.80.40.40.30.60.20.30.4
Percentage of Revenues irwd:AllerganPlc us-gaap:Royalty srt:Europe0.00.00.00.00.00.00.00.0

irwd:AllerganPlc, us-gaap:Royalty, srt:NorthAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.550.6030.5420.5250.4920.4760.4630.546
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.50.40.50.70.40.70.7
Percentage of Revenues0.70.50.40.50.70.40.70.7
Percentage of Revenues irwd:AllerganPlc us-gaap:Royalty srt:NorthAmerica0.00.00.00.00.00.00.00.0

irwd:AstellasPharmaInc, irwd:CollaborativeArrangementCollaborationAndLicenseAgreements, country:JP



Period End2020-06-302020-03-312019-12-312019-08-012019-09-30
Value0.5040.4790.0882010
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.17.70.0
Percentage of Revenues0.60.60.10.07.7
Percentage of Revenues irwd:AstellasPharmaInc irwd:CollaborativeArrangementCollaborationAndLicenseAgreements country:JP0.00.00.00.00.0

irwd:AstellasPharmaInc, us-gaap:Royalty, country:JP



Period End2020-06-302020-03-31
Value0.50.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.5
Percentage of Revenues0.60.5
Percentage of Revenues irwd:AstellasPharmaInc us-gaap:Royalty country:JP0.00.0

irwd:AstraZeneca, irwd:ActivePharmaceuticalIngredient, irwd:ChinaHongKongAndMacau



Period End2020-06-302020-03-312019-12-312019-09-30
Value0.0095.4982.3270.643
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.06.91.80.5
Percentage of Revenues0.06.91.80.5
Percentage of Revenues irwd:AstraZeneca irwd:ActivePharmaceuticalIngredient irwd:ChinaHongKongAndMacau0.00.00.00.0

irwd:AstraZeneca, irwd:CollaborativeArrangementCollaborationAgreements, irwd:ChinaHongKongAndMacau



Period End2020-06-302020-03-312019-12-312019-09-30
Value32320.232
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.240.50.224.7
Percentage of Revenues36.240.50.224.7
Percentage of Revenues irwd:AstraZeneca irwd:CollaborativeArrangementCollaborationAgreements irwd:ChinaHongKongAndMacau0.00.00.00.0

irwd:AstraZeneca, irwd:CollaborativeArrangementCollaborationAndLicenseAgreements, irwd:ChinaHongKongAndMacau



Period End2020-06-302020-03-312019-12-312019-09-30
Value0.1870.3320.22732
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.40.224.7
Percentage of Revenues0.20.40.224.7
Percentage of Revenues irwd:AstraZeneca irwd:CollaborativeArrangementCollaborationAndLicenseAgreements irwd:ChinaHongKongAndMacau0.00.00.00.0

us-gaap:ProductOrService

irwd:ActivePharmaceuticalIngredient



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
Value0.0095.498200.643242.57845108.8035.434149.4915.9720.012
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.06.916.30.524.43.835.115.610.97.915.110.99.20.0
Percentage of Revenues0.06.916.30.524.43.835.115.610.97.915.110.99.20.0
Percentage of Revenues irwd:ActivePharmaceuticalIngredient0.00.00.00.00.00.00.00.00.0100.00.00.00.0100.0

irwd:CollaborativeArrangementOtherAgreements



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.3050.3540.2290.3460.3230.947-0.0470.4650.343
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.20.30.31.4-0.00.70.4
Percentage of Revenues0.30.40.20.30.31.4-0.00.70.4
Percentage of Revenues irwd:CollaborativeArrangementOtherAgreements0.00.00.00.00.00.00.00.00.0

irwd:CollaborativeArrangements



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
Value897410513077668454716378765851
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.093.183.799.575.696.264.582.587.891.283.288.390.199.4
Percentage of Revenues100.093.183.799.575.696.264.582.587.891.283.288.390.199.4
Percentage of Revenues irwd:CollaborativeArrangements0.00.00.00.00.00.00.00.00.0100.00.00.00.0100.0

Revenues

us-gaap:Revenues



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value89791261311026813065816994866552876654665339272838166.84145.0314.9329.6633.2552696141232121110169.0599.1888.838
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Cost Of Revenue

us-gaap:CostOfRevenue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.02.239110.506111.043214.6164.0652.6078.9846.083.5020.5310.0-8.158.150.012130.0101.9240.5332.0213.4181.231
Percentage of CostOfRevenue0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.02.88.70.411.11.516.47.05.03.89.57.05.41.00.0-20.629.40.034.50.0153.813.210.641.035.437.8

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.02.239110.506111.043214.6164.0652.6078.9846.083.5020.5310.0-8.158.150.012130.0101.9240.5332.0213.4181.231
Percentage of CostOfGoodsAndServicesSold0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.02.88.70.411.11.516.47.05.03.89.57.05.41.00.0-20.629.40.034.50.0153.813.210.641.035.437.8

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value56667665801231242341211057110610691939469685965695671536158516169927048554739333028
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues63.483.560.749.878.9179.195.4357.4149.2151.975.8122.4163.0176.1107.2142.8128.2103.0110.9166.2251.4197.0187.0317.2905.8403.91029.01246.6719.72829.1262.750.6379.6391.0121.9276.9268.3281.1

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2228262728534446383640373733383731312725282627252227222324322823322924221919211819
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues24.735.121.021.028.178.633.971.248.052.842.642.757.464.644.056.858.348.251.865.3103.392.172.2148.5323.7185.9447.5466.7249.31006.2104.824.3220.7240.975.3187.5172.3191.0126.8206.9216.6

us-gaap:CounterpartyName

irwd:AbbviePlc



Period End2020-06-30
Value0.5
Percentage of ResearchAndDevelopmentExpense2.3
Percentage of Revenues0.6
Percentage of Revenues irwd:AbbviePlc0.0

irwd:AllerganPlc



Period End2020-03-312019-03-31
Value6.610.0
Percentage of ResearchAndDevelopmentExpense23.518.5
Percentage of Revenues8.314.5
Percentage of Revenues irwd:AllerganPlc0.00.0

us-gaap:CounterpartyName, us-gaap:StatementGeographical

irwd:AbbviePlc, srt:NorthAmerica



Period End2020-06-302019-06-30
Value6.29.6
Percentage of ResearchAndDevelopmentExpense28.133.4
Percentage of Revenues6.99.4
Percentage of Revenues irwd:AbbviePlc srt:NorthAmerica0.00.0

us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty

irwd:DevelopmentAgreement, us-gaap:ResearchAndDevelopmentExpense, srt:AffiliatedEntity



Period End2020-06-302020-03-312019-06-30
Value0.81.01.7
Percentage of ResearchAndDevelopmentExpense3.63.65.9
Percentage of Revenues0.91.31.7
Percentage of Revenues irwd:DevelopmentAgreement us-gaap:ResearchAndDevelopmentExpense srt:AffiliatedEntity0.00.00.0

us-gaap:ProductOrService

irwd:CollaborativeArrangementOtherAgreements



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.00.00.00.00.00.05.00.0
Percentage of ResearchAndDevelopmentExpense0.00.00.00.00.00.00.010.70.0
Percentage of Revenues0.00.00.00.00.00.00.07.60.0
Percentage of Revenues irwd:CollaborativeArrangementOtherAgreements0.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value34363940436458556861576157555544363631303230302829292830303333222016
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues38.745.631.031.242.394.244.584.184.389.561.571.188.8106.663.168.167.954.859.176.9118.8104.980.3168.7428.3204.9570.9613.6319.51025.3123.323.7137.6133.2

us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical

irwd:AbbviePlc, irwd:CollaborativeArrangementsLinzess, country:US



Period End2020-06-302019-06-30
Value3.93610
Percentage of SellingGeneralAndAdministrativeExpense11.424.0
Percentage of Revenues4.410.1
Percentage of Revenues irwd:AbbviePlc irwd:CollaborativeArrangementsLinzess country:US0.00.0

Selling And Marketing Expense

us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical

us-gaap:SellingAndMarketingExpense

irwd:AllerganPlc, irwd:CollaborativeArrangementsLinzess, country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value8.6748.3599.12910108.8791011
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.96.67.010.115.06.816.614.4
Percentage of Revenues irwd:AllerganPlc irwd:CollaborativeArrangementsLinzess country:US0.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3213496521-54.3725.995-169.099-39.92-35.86822-19.434-41.011-39.705-6.3-28.287-15.315-1.968-5.827-26.185-42.009-28.067-33.125-36.739-55.119-44.387-46.738-56.551-59.88-88.833-43.947-40.834-35.636-7.032-21.616-18.952-18.542-12.795-16.165-17.31
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues36.616.539.350.221.1-79.14.6-257.4-49.2-51.924.2-22.4-63.0-76.1-7.2-42.8-28.2-3.0-10.9-66.2-151.4-97.0-87.0-217.2-805.8-303.9-929.0-1146.6-619.7-2729.1-162.749.4-279.6-291.0-21.9-176.9-168.3-181.1-76.3-178.4-188.4

Interest Expense

us-gaap:InterestExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7.3187.227.123109.439.5929.5869.4829.3839.2739.2069.1359.0468.9839.6549.7659.8279.9079.981105.8745.225.265.325.3035.2835.2985.2655.3185.1210.0180.0140.0130.0140.0140.0160.0170.0160.0180.0810.044
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.29.05.68.09.214.07.314.411.613.49.810.513.917.211.014.818.115.018.725.321.218.013.831.477.536.2105.3106.855.0157.30.10.00.10.10.00.10.20.20.10.90.5

Interest Expense Debt

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value7.3187.227.1226.5416.3366.2356.1346.0385.9415.8485.7575.6685.5815.4965.4135.3325.2535.1765.15.0270.81
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.29.05.65.06.29.14.79.27.38.56.16.58.610.56.28.19.77.89.612.72.9
Percentage of Revenues irwd:ConvertibleSeniorNotes2.25PercentDue2022 us-gaap:ConvertibleNotesPayable0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7.0916.3645.4865.526.337141113109.0438.7048.6979.147.2797.3836.9338.0976.8066.56.646.9035.4268.5625.5366.0126.0744.5385.1994.8175.2754.6615.1354.0563.7213.2212.8622.9512.698
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.98.04.34.26.221.89.019.813.313.19.210.014.014.08.410.514.910.312.216.824.918.822.532.787.941.690.2105.449.8162.117.35.327.830.410.023.426.226.4

us-gaap:IncomeStatementLocation

us-gaap:ResearchAndDevelopmentExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1.4051.3961.0371.2081.1793.9723.9043.8233.83.3223.3293.2463.5682.6252.9462.6343.2652.4992.6582.6622.6912.0542.372.1512.2712.691.9042.3492.7012.2242.4042.648
Percentage of AllocatedShareBasedCompensationExpense19.821.918.921.918.626.533.329.435.336.738.237.339.036.139.938.040.336.740.940.139.037.927.738.937.844.342.045.256.142.251.651.6
Percentage of Revenues1.61.70.80.91.25.83.05.84.74.83.53.75.55.03.44.06.03.85.06.79.77.16.212.733.218.437.847.628.068.38.92.7
Percentage of Revenues us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value5.6864.9684.4494.3125.021107.7347.6436.5395.7215.3755.4515.5724.6544.4374.2994.8324.3073.8423.9784.2123.3726.1923.3853.7413.3842.6342.852.1163.0512.2572.487
Percentage of AllocatedShareBasedCompensationExpense80.278.181.178.179.270.066.058.760.863.361.862.761.063.960.162.059.763.359.159.961.062.172.361.162.255.758.054.843.957.848.448.4
Percentage of Revenues6.46.23.53.34.915.35.911.68.18.35.76.38.68.95.16.58.96.57.210.115.211.716.320.054.723.252.457.821.993.78.42.6
Percentage of Revenues us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-7509000.0-9882000.0-1735000.0-45239000.0-9294000.0-4912000.0-21488000.0-5252000.0-9460000.0-7276000.0-10680000.0-12863000.0-3213000.0-12796000.0-7205000.0-4917000.0-6387000.0-11329000.0-8210000.0-21205000.0-6011000.0-5155000.0-4522000.0-5249000.0-5238000.0-5239000.0-5248000.0-5224000.0-5269000.0-5069000.045000.027000.031000.035000.058000.0986000.0108000.0141000.01144000.0107000.0145000.015000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.4-12.4-1.4-34.5-9.1-7.1-16.4-8.0-11.7-10.5-11.3-14.8-4.9-24.5-8.2-7.4-11.8-17.2-15.4-53.6-21.7-17.8-11.9-31.0-76.6-35.9-104.3-105.9-54.5-155.70.20.00.20.30.28.11.01.46.81.21.60.2

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value253.345472012-21.8468.373-151.823-24.137-26.559-43.85547-40.803-35.601-6.974-20.633-18.844-18.401-11.651-13.114-17.165-14.481
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.24.237.915.712.0-31.86.4-231.1-29.8-38.4-162.549.4-279.4-290.7-21.7-168.9-167.3-179.7-69.5-144.8-186.8-163.8

Profit Loss

us-gaap:ProfitLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value253.345472012-59.284-15.493-174.351-49.38-43.14412-32.297-44.224-52.501-13.505-33.204-61.775-43.85547-6.974-20.633-18.844-18.401-11.651-6.747-17.209-16.253
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.24.237.915.712.0-86.3-11.9-265.4-60.9-62.412.8-37.2-68.0-100.6-15.4-50.2-1252.5-162.549.4-21.7-168.9-167.3-179.7-69.5-74.5-187.3-183.9

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302010-06-30
Value253.345472012-59.284-15.493-174.351-49.38-43.14412-32.297-44.224-52.501-13.505-33.204-21.702-13.297-18.844-17.136
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.24.237.915.712.0-86.3-11.9-265.4-60.9-62.412.8-37.2-68.0-100.6-15.4-50.2-39.9-20.1-167.3-186.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value253.3452012-59.284-174.351-49.38-43.144
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.24.215.712.0-86.3-265.4-60.9-62.4
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value25472012-59.284-15.484-174.316-49.333-43.15612-32.279-44.207-52.535-13.573-33.182-21.692-13.182-14.171-47.364-48.001-33.2-37.691-41.966-60.342-49.64-52.003-61.755-65.162-93.895-43.85747-40.815-35.604-6.974-20.68-18.843-18.35
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.237.915.712.0-86.3-11.8-265.4-60.8-62.412.8-37.2-67.9-100.7-15.5-50.2-39.9-20.0-26.6-119.7-173.0-114.8-99.0-248.1-882.2-339.9-1033.7-1252.1-674.3-2884.6-162.649.4-279.5-290.7-21.7-169.3-167.3-179.3

Assets

us-gaap:Assets



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value443404402334315363332416618571605625705701709731700603619613653305333346371418278325384325229246208249208219249301
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value443404402334315363332416618571605625705701709731700603619613653305333346371418278325384325229246208249208219249301
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-36.852-71.557-93.251-153.047-219.367-237.179-196.371-197.295-43.951-18.0529.848-17.5794.872966598190951001406888108141188388413958144182128164109159
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-8.3-17.7-23.2-45.8-69.5-65.2-59.1-47.4-7.1-3.21.6-2.80.74.29.48.111.615.115.416.421.522.326.631.238.245.113.725.836.318.062.773.961.765.952.652.9

us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.1590.1580.1570.1560.1560.1540.140.1390.1380.1370.1330.1270.1250.1030.0780.062
Percentage of StockholdersEquity-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.3-0.81.40.20.10.10.30.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value15061497147814661421141313941378135713331318125812051055815648542526
Percentage of StockholdersEquity-4088.4-2092.3-1585.9-958.5-647.9-595.8-710.2-698.5-3088.0-7388.613388.91886.21266.91192.42134.5450.5493.5330.3
Percentage of Assets339.7370.6367.2438.7450.1388.7420.0330.8219.5233.5217.7177.3194.7316.6292.5282.3259.4174.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value0.160.1590.1580.1560.1560.154
Percentage of StockholdersEquity-0.4-0.2-0.2-0.1-0.1-0.1
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-1543.683-1568.887-1572.232-1620.09-1640.738-1650.412-1591.128-1575.635-1401.284-1351.904-1308.76-1191.823-1110.115-967.446-777.828-505.016-432.392-367.54
Percentage of StockholdersEquity4188.92192.51686.01058.6747.9695.9810.3798.63188.37488.9-13289.6-1786.4-1167.0-1092.5-2034.9-350.6-393.6-230.4
Percentage of Assets-348.0-388.3-390.4-484.6-519.7-454.0-479.2-378.2-226.7-236.7-216.1-167.9-179.3-290.1-278.8-219.7-206.9-122.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value374333306257220201266248279275311314341357380382386495500505526263289304325371229275335275184202166206167178208259
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets84.482.776.277.170.055.580.259.745.248.351.450.248.451.053.652.355.182.280.882.580.686.486.987.887.888.682.184.687.484.880.282.179.682.880.281.483.486.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value25323117713998119173141145144125162182133541822772802612482566374519520575144219105136125871318768484644583512266
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets57.157.244.041.631.332.752.234.023.525.420.826.025.819.07.625.039.646.642.240.439.220.822.314.825.749.027.144.357.132.459.551.141.752.841.831.419.30.014.70.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value10517112.017223.29120106.7484.9883.194.283.9751.1520.9331.1741.2720.9082.8842.571.0570.8620.010.380.0130.5130.1250.0120.4570.1690.0220.1090.0740.0740.110.019
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.84.42.80.67.20.96.32.41.10.90.50.70.60.20.10.20.20.20.50.40.20.30.00.10.00.20.00.00.20.10.00.00.00.00.00.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value141010118.888.3271121168.9247.2888.0748.2358.6649.039.2167.6227.7316.2936.5026.5959.21210116.3385.2866.1689.7899.565138.0267.8775.9644.0482.8992.8964.6585.32
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.62.73.52.82.33.35.22.71.61.21.31.21.21.31.31.11.31.01.11.03.03.23.31.71.32.23.02.54.33.53.22.91.61.41.31.91.8

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value111212116.665191716161617171718201817192123252729303335373735363736343533323334
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.53.03.13.42.15.25.23.92.62.92.92.72.52.72.92.62.63.23.43.83.89.08.98.89.08.513.411.49.111.116.314.816.714.116.115.013.411.4

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value17171719258488
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.94.34.45.98.123.30.0

us-gaap:CounterpartyName

irwd:SummerStreetLease



Period End2020-06-302020-03-312019-12-312019-09-302019-06-30
Value1717171818
Percentage of OperatingLeaseRightOfUseAsset100.399.799.890.971.6
Percentage of Assets3.94.34.45.45.8
Percentage of Assets irwd:SummerStreetLease0.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value820000.0838000.05000.020000.026000.056000.0114000.0708000.0771000.0809000.0870000.0799000.0738000.0783000.01456000.01412000.01818000.02243000.02628000.03223000.03504000.06028000.05810000.03525000.03597000.03895000.04311000.04639000.05091000.05212000.0283000.054000.074000.0124000.0138000.0192000.0214000.0274000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.00.00.00.00.00.20.10.10.10.10.10.10.20.20.30.40.40.50.52.01.71.01.00.91.51.41.31.60.10.00.00.00.10.10.10.1

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value26274052110118119112946266647978919590787667625960544138413943625435495265707064
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.810.215.835.132.636.027.015.410.910.910.311.311.212.813.013.012.912.411.09.519.618.215.611.29.214.712.211.419.323.914.423.521.031.232.328.421.4

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2.1042.7813.9784.5057.87211189.33223111517198.9994.7418.5865.2279.7546.1033.3934.844102.4366.5693.303142.6526.9211.9966.4362.396.5074.302
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.71.01.32.53.15.52.23.82.02.62.52.71.30.81.41.72.91.80.91.23.60.71.71.06.21.13.30.83.11.12.61.4

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value2.6014.233109.19115161211128.688121010109.3515.3573.1053.2382.1093.9394.0994.6064.4824.6254.3773.2673.4383.1734.5935.5465.322.7773.039
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.61.02.52.74.84.63.72.72.01.52.01.61.51.51.30.70.40.50.30.61.31.41.31.21.01.21.10.81.42.42.21.31.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.611.8761.1469.9341112
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.33.03.83.3

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-06-302020-03-312019-12-312018-09-30
Value0.8750.8750.87513
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0
Percentage of Assets0.20.20.23.2

Long Term Debt

us-gaap:LongTermDebt



Period End2020-06-302020-03-312019-09-302015-12-31
Value418413402220
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets94.5102.3120.435.6

us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312015-12-31
Value418413407402274269265234220
Percentage of LongTermDebt100.0100.00.0100.00.00.00.00.0100.0
Percentage of Assets94.5102.3101.3120.486.974.380.033.035.6
Percentage of Assets us-gaap:ConvertibleNotesPayable0.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.6020.7050.7340.4922.6262.7232.532.535.065.065.068.198.198.198.19101010101.6531.6531.6530.9090.992
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.10.80.70.80.60.80.90.81.31.21.21.21.41.41.71.60.60.50.40.30.4

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-06-302020-03-312019-12-312019-03-31
Value21212279
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0
Percentage of Assets4.85.45.522.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-36.852-71.557-93.251-153.047-219.367-237.179-196.371-197.295-43.951-18.0529.848-17.5794.872966598190951001406888108141188388413958144182128164109159
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-8.3-17.7-23.2-45.8-69.5-65.2-59.1-47.4-7.1-3.21.6-2.80.74.29.48.111.615.115.416.421.522.326.631.238.245.113.725.836.318.062.773.961.765.952.652.9

us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.1590.1580.1570.1560.1560.1540.140.1390.1380.1370.1330.1270.1250.1030.0780.062
Percentage of StockholdersEquity-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.3-0.81.40.20.10.10.30.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value15061497147814661421141313941378135713331318125812051055815648542526
Percentage of StockholdersEquity-4088.4-2092.3-1585.9-958.5-647.9-595.8-710.2-698.5-3088.0-7388.613388.91886.21266.91192.42134.5450.5493.5330.3
Percentage of Assets339.7370.6367.2438.7450.1388.7420.0330.8219.5233.5217.7177.3194.7316.6292.5282.3259.4174.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value0.160.1590.1580.1560.1560.154
Percentage of StockholdersEquity-0.4-0.2-0.2-0.1-0.1-0.1
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-1543.683-1568.887-1572.232-1620.09-1640.738-1650.412-1591.128-1575.635-1401.284-1351.904-1308.76-1191.823-1110.115-967.446-777.828-505.016-432.392-367.54
Percentage of StockholdersEquity4188.92192.51686.01058.6747.9695.9810.3798.63188.37488.9-13289.6-1786.4-1167.0-1092.5-2034.9-350.6-393.6-230.4
Percentage of Assets-348.0-388.3-390.4-484.6-519.7-454.0-479.2-378.2-226.7-236.7-216.1-167.9-179.3-290.1-278.8-219.7-206.9-122.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value160000.0159000.0158000.0157000.0156000.0156000.0154000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value15061497147814661421141313941378135713331318130312931273125812371226121412051196118810681055103710291016815809803657648643637632542538534526
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets339.7370.6367.2438.7450.1388.7420.0330.8219.5233.5217.7208.5183.4181.6177.3169.1175.1201.2194.7195.0181.8349.8316.6299.8277.4242.6292.5248.6209.2202.2282.3260.9305.5253.6259.4245.2214.1174.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-1543700000.0-1568900000.0-1572200000.0-1620100000.0-1640700000.0-1650400000.0-1591100000.0-1575600000.0-1401300000.0-1351900000.0-1308800000.0-1320800000.0-1288500000.0-1244300000.0-1191800000.0-1178300000.0-1145100000.0-1123400000.0-1110100000.0-1096100000.0-1048700000.0-1000700000.0-967450000.0-929800000.0-887810000.0-827450000.0-777830000.0-725840000.0-664070000.0-598920000.0-505020000.0-461160000.0-508800000.0-467990000.0-432390000.0-425420000.0-404780000.0-367540000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-348.0-388.3-390.4-484.6-519.7-454.0-479.2-378.2-226.7-236.7-216.1-211.3-182.8-177.4-167.9-161.0-163.5-186.2-179.3-178.7-160.4-327.5-290.1-268.6-239.3-197.5-278.8-222.8-172.9-184.2-219.7-187.1-243.8-187.8-206.9-193.8-162.1-122.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.0916.3645.526.3371412109.062
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.0916.3645.526.3371412109.062
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value20432734-9.237-42.3859.273-26.578-22.691-30.886-9.214-31.242-31.261-27.846-18.686-0.645-35.784-22.784-38.68-36.21-57.894-42.078-57.954-80.14-93.183-22.45938-43.107-43.062-7.701-25.415-0.646-22.776
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.554.521.826.5-9.0-61.77.1-40.5-28.0-44.7-9.8-36.0-48.0-53.4-21.4-1.0-123.7-59.8-228.6-529.4-396.4-836.4-1175.1-829.3-2862.8-83.240.4-295.2-351.6-24.0-208.0-3.9-251.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value-0.376-1.438-2.661-3.077-2.429-2.97717141244-33.853267088-115.424-90.3611938-7.883-80.525-6.472-28.079-18.02253-108.51532-0.68-2.7551.2882545-14.47146
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.4-1.8-2.1-2.3-2.4-4.313.421.715.364.6-35.930.7108.5168.8-132.0-136.768.3100.6-46.6-1177.3-44.3-558.1-365.4550.4-3333.8119.4-0.7-18.910.579.4372.3-86.3515.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value2.397116.4478.633-7.5-8.7654.8497.81125.2856.163-14.9099.479195.177-3.3895.4187.5012.4756.9631941.1950.9671411701.0670.4691.333860.620.5650.742-0.581
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.715.05.16.6-7.3-12.83.711.915.07.66.5-17.214.636.65.9-5.118.719.714.6101.81328.323.819.61460.45232.04.00.59.1703.01.94.64.4-6.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



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
Value22543140-19.166-54.12731-4.4831.87719-36.904-19.4924779
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues24.767.724.830.7-18.8-78.824.2-6.82.327.5-39.2-22.473.2152.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value20432734-9.237-42.3859.273-26.578-22.691-30.886-9.214-31.242-31.261-27.846-18.686-0.645-35.784-22.784-38.68-36.21-57.894-42.078-57.954-80.14-93.183-22.45938-43.107-43.062-7.701-25.415-0.646-22.776
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.554.521.826.5-9.0-61.77.1-40.5-28.0-44.7-9.8-36.0-48.0-53.4-21.4-1.0-123.7-59.8-228.6-529.4-396.4-836.4-1175.1-829.3-2862.8-83.240.4-295.2-351.6-24.0-208.0-3.9-251.4

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-06-302010-06-30
Value253.345472012-59.284-15.493-174.351-49.38-43.14412-32.297-44.224-52.501-13.505-33.204-21.702-13.297-18.844-17.136
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.24.237.915.712.0-86.3-11.9-265.4-60.9-62.412.8-37.2-68.0-100.6-15.4-50.2-39.9-20.1-167.3-186.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value253.3452012-59.284-174.351-49.38-43.144
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.24.215.712.0-86.3-265.4-60.9-62.4
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value253.345472012-59.284-15.493-174.351-49.38-43.14412-32.297-44.224-52.501-13.505-33.204-61.775-43.85547-6.974-20.633-18.844-18.401-11.651-6.747-17.209-16.253
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.24.237.915.712.0-86.3-11.9-265.4-60.9-62.412.8-37.2-68.0-100.6-15.4-50.2-1252.5-162.549.4-21.7-168.9-167.3-179.7-69.5-74.5-187.3-183.9

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.0916.3645.4865.5215.283141112109.0438.7048.6979.147.2797.3836.9338.0976.8066.56.646.9035.4268.5625.5366.0126.0744.5385.1994.8175.2754.6615.1354.0563.7213.2212.8622.9512.6982.361.883
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Amortization Of Financing Costs

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfFinancingCosts

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value360000.0346000.0334000.0301000.0283000.0272000.0259000.0249000.0237000.0226000.0216000.0206000.0196000.0187000.0178000.0169000.0161000.0153000.0145000.0138000.022000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value-0.376-1.438-2.661-3.077-2.429-2.97717141244-33.853267088-115.424-90.3611938-7.883-80.525-6.472-28.079-18.02253-108.51532-0.68-2.7551.2882545-14.47146
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.4-1.8-2.1-2.3-2.4-4.313.421.715.364.6-35.930.7108.5168.8-132.0-136.768.3100.6-46.6-1177.3-44.3-558.1-365.4550.4-3333.8119.4-0.7-18.910.579.4372.3-86.3515.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value2.397116.4478.633-7.5-8.7654.8497.81125.2856.163-14.9099.479195.177-3.3895.4187.5012.4756.9631941.1950.9671411701.0670.4691.333860.620.5650.742-0.581
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.715.05.16.6-7.3-12.83.711.915.07.66.5-17.214.636.65.9-5.118.719.714.6101.81328.323.819.61460.45232.04.00.59.1703.01.94.64.4-6.4

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value25523317914710712618014915315113216918914162270
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical

irwd:CollaborativeArrangementNetIncomeLossRecognized

irwd:AllerganPlc, irwd:CollaborativeArrangementsLinzess, country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6293756454724157
Percentage of CollaborativeArrangementNetIncomeLossRecognized100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName, irwd:AchievementOfMilestone

irwd:CollaborativeArrangementPercentageOfNetLoss

irwd:AllerganPlc, irwd:SalesMilestones



Period End2020-03-312019-12-312019-09-30
Value0.500
Percentage of CollaborativeArrangementPercentageOfNetLoss100.00.00.0

us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical, irwd:AchievementOfMilestone

irwd:AstraZeneca, irwd:CollaborativeArrangementCollaborationAgreements, irwd:ChinaHongKongAndMacau, irwd:CommercializationMilestones



Period End2020-06-302020-03-312012-10-31
Value00.550.55
Percentage of CollaborativeArrangementPercentageOfNetLoss0.0110.00.0

irwd:FairValueAdjustmentOfConvertibleNoteHedgingInstrument



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.28415-20.00920-10.131-9.56910116-46.081-5.2571350-21.371-17.9884.781-37.824-21.798.778-13.97217
Percentage of FairValueAdjustmentOfConvertibleNoteHedgingInstrument100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irwd:IncreaseDecreaseInAccruedResearchAndDevelopmentExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value114000.0-670000.0-1504000.0-1314000.0820000.01515000.03131000.0-290000.0705000.0-2640000.0-559000.0418000.02348000.0-1831000.0-1105000.01389000.028000.02380000.01610000.0-2895000.0-3740000.05696000.01518000.0-179000.0472000.0-1649000.0-299000.0-1235000.0-1238000.0520000.0-490000.0-753000.0-1051000.0948000.0-619000.02200000.0-2623000.0-88000.02812000.0-3245000.0
Percentage of IncreaseDecreaseInAccruedResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irwd:IncreaseDecreaseInOperatingLeaseLiability



Period End2020-06-302020-03-312019-06-302019-03-31
Value299000.0294000.0-1856000.0-2829000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiability100.0100.0100.0100.0

irwd:IncreaseDecreaseInOperatingLeaseRightOfUseAsset



Period End2020-06-302020-03-312019-06-302019-03-31
Value-291000.0-296000.0-2849000.0-3466000.0
Percentage of IncreaseDecreaseInOperatingLeaseRightOfUseAsset100.0100.0100.0100.0

us-gaap:CounterpartyName

irwd:NetCostSharingOffsetRelatedToResearchAndDevelopmentExpenseReimbursement

irwd:AllerganPlc



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.80.92.43.2
Percentage of NetCostSharingOffsetRelatedToResearchAndDevelopmentExpenseReimbursement100.0100.0100.0100.0

us-gaap:CounterpartyName, us-gaap:ProductOrService

irwd:PatentAndLitigationCosts

irwd:AllerganPlc, irwd:CollaborativeArrangementsLinzess



Period End2020-03-312019-03-31
Value200000.0500000.0
Percentage of PatentAndLitigationCosts100.0100.0

irwd:PaymentsForProceedsFromPurchasesOfPropertyAndEquipment



Period End2020-06-302020-03-312019-06-302019-03-31
Value376000.01438000.02432000.0-988000.0
Percentage of PaymentsForProceedsFromPurchasesOfPropertyAndEquipment100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfDebtDiscountPremium

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value5.1565.0694.9844.464.1644.0753.9873.93.8163.7343.6533.5743.4973.4213.3473.2753.2043.1353.0673.0010.495
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.5145.4164.0586.2324.6914.6094.5574.4534.3524.2394.1624.0693.9723.8773.8313.763.6493.5723.5033.4290.80.370.3650.4130.4020.3860.3950.3870.4840.453
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DebtConversionConvertedInstrumentSharesIssued1

irwd:ConvertibleNoteHedge



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0200.00.00.0200.00.00.020
Percentage of DebtConversionConvertedInstrumentSharesIssued10.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:Depreciation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value640000.0682000.0867000.03174000.0297000.01242000.0694000.0976000.0399000.01790000.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasicAndDiluted



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.160.020.310.130.08-0.38-0.1-1.14-0.32-0.290.08-0.22-0.3-0.36-0.09-0.23-0.15-0.09-0.09-0.33-0.34-0.24-0.27-0.3-0.44-0.38-0.43-0.51-0.57-0.87-0.38-0.34-0.07-0.21-0.19-0.19-0.12-0.08-0.18-0.25
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueAdjustmentOfWarrants



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.751-12.05315-15.688105.625-89.015-20.241463.941-11.555-45.7151620-6.8843318-7.13512-6.48
Percentage of FairValueAdjustmentOfWarrants100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-467000.0-3466000.04517000.0-4766000.0-672000.03944000.0-12739000.03489000.0-809000.01316000.0-2093000.0-4329000.05337000.0-2199000.02103000.04541000.03145000.0-1643000.01620000.0-11340000.0-208000.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302012-12-312011-12-312010-12-31
Value-407000.0-16000.0-37000.00477000.0-586000.0276000.01316000.0241000.034000.09000.0-568000.001000.0-225000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312011-12-312011-09-302010-12-312010-09-302010-06-302010-03-31
Value0.160.020.310.130.08-0.140.05-0.99-0.16-0.18-0.07-0.21-0.12-0.13-0.18-0.23
Percentage of IncomeLossFromContinuingOperationsPerBasicAndDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2.093-11.7684.575-12.07-11.751-13.45410-9.04218-12.3-0.184-1.314-0.107-5.2383.382185.79-8.1041.3953.0321.012-6.99-1.395100.351-8.0422.143-3.769-18.9958.89720-3.4028.94-2.2276.15-2.6354.533-2.962-0.2712.586
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets



Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-21000.051000.064000.0-58000.0-594000.0-64000.0-37000.0-62000.070000.061000.0-45000.0-201000.026000.0-860000.0-425000.0-385000.0-595000.0-281000.0240000.0222000.02636000.0124000.0111000.05000.04000.0-48000.0-52000.0-20000.0229000.0-20000.0-50000.0-14000.0-54000.0-22000.0-37000.0-23000.0-43000.019000.0
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.939-0.3010.6253.068-0.166-2.481-9.7433.7917.7261.647-0.364-0.317-0.331-0.3720.1461.6580.1721.0930.154-0.046-2.193-0.483-1.3825.2451.022-0.938-3.580.185-0.4643.9110.1491.9131.9161.1490.003-1.7620.359-1.0210.7510.643
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value14-35.941222529-8.33315-15.1449.868-11.5062.074199.21-13.707110.5680.129-1.5179.922-6.88.011111-5.8827.1240.127-2.2125.25-1.4391.305-2.2842.357-0.543-0.089
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebtExcludingAmortization

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1802000.01805000.01804000.01780000.01889000.01888000.01888000.01889000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.01888000.0293000.0
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical

us-gaap:InvestmentIncomeInterest

irwd:AstraZeneca, irwd:CollaborativeArrangementCollaborationAgreements, irwd:ChinaHongKongAndMacau



Period End2020-06-30
Value200000.0
Percentage of InvestmentIncomeInterest100.0

us-gaap:InvestmentIncomeNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value276000.0777000.0565000.0893000.0668000.0736000.0837000.0741000.0732000.0681000.0619000.0601000.0496000.0395000.0346000.0307000.0295000.0221000.0151000.0156000.071000.065000.077000.071000.065000.044000.050000.041000.049000.052000.063000.041000.0
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.9931.0053.1157.2734.1884.914
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.397116.4478.633-7.5-8.7654.8497.8119-3.389-2.094-3.87-2.344-3.9753035.4187.5012.4751.0670.4691.333860.620.5651.3490.5990.742-0.485
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.376-1.438-2.661-3.077-2.4291.246201788-90.3614.763233421-85.6591938-7.88332-0.68-2.7551.28825451825-14.47146
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value20432734-9.237-53.7495.375-29.183-27.846-0.645-6.2630.161-19.359-26.23-25.554-35.784-22.784-38.68-22.45938-43.107-43.062-7.701-25.415-18.208-23.913-0.646-19.25
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NumberOfReportableSegments



Period End2020-06-302019-09-302019-06-302018-09-302018-06-302010-09-21
Value1.01.01.01.01.02.0
Percentage of NumberOfReportableSegments100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.6330.6332.5286.2443.1554.525
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName

irwd:SummerStreetLease



Period End2020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.70.60.70.60.2
Percentage of OperatingLeaseCost110.694.827.79.66.3

us-gaap:OperatingLeasePayments



Period End2020-06-302020-03-312019-06-302019-03-31
Value43000.043000.02207000.04412000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-30
Value2.397116.4471.9441.7173.4874.9098.108126.2036.9910.906108.171144.394.3221.8412.3220.9332.9957.9468.9362.7417.2123.8521.318
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionAmountsOfTransaction

srt:Director



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.41.61.71.62.52.72.93.0
Percentage of RelatedPartyTransactionAmountsOfTransaction100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-12-312014-09-30
Value0.0-0.032-0.1660.493.3280.804102.3922.4221.1020.0
Percentage of RestructuringCharges0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ShortTermLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value372000.0375000.0379000.0389000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0

us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonClassA, us-gaap:CommonStock



Period End2020-03-312019-03-31
Value1832200.01210900.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-06-302020-03-312019-06-302019-03-31
Value608120.01832200.0621590.01210900.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation0.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-06-302020-03-312019-06-302019-03-31
Value2.41111.8013.488
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0

us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock



Period End2020-03-312019-03-31
Value0.0010.002
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.00.1

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-06-302020-03-312019-06-302019-03-31
Value2.409111.8013.486
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.099.9

us-gaap:CommonStock



Period End2020-06-302020-03-312019-03-31
Value0.0010.0010.002
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.00.00.1

us-gaap:VariableLeaseCost



Period End2020-06-302019-09-302019-06-30
Value360000.0654000.0654000.0
Percentage of VariableLeaseCost100.0100.0100.0

us-gaap:ProductOrService

irwd:AccountsReceivableNetAndRelatedPartyAccountsReceivableNetNetOfRelatedPartyAccountsPayable

irwd:CollaborativeArrangementsAndActivePharmaceuticalIngredient



Period End2020-03-312019-12-312018-12-31
Value7311063
Percentage of AccountsReceivableNetAndRelatedPartyAccountsReceivableNetNetOfRelatedPartyAccountsPayable100.0100.0100.0

irwd:AccruedExpensesAndOtherLiabilitiesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-12-312015-09-302014-12-31
Value17183030333945443730383330313819232422
Percentage of AccruedExpensesAndOtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irwd:AccruedResearchAndDevelopmentExpenseCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2400000.02286000.02956000.04956000.06270000.09734000.08219000.05088000.05378000.04673000.07313000.07872000.07454000.05106000.06937000.08042000.06653000.06625000.04245000.02635000.05530000.09270000.03574000.02056000.02235000.01763000.03412000.03711000.04946000.06184000.05664000.06154000.06907000.07958000.07010000.07629000.05429000.08140000.0
Percentage of AccruedResearchAndDevelopmentExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irwd:UnbilledInventories



Period End2020-03-312019-12-31
Value900000.0600000.0
Percentage of UnbilledInventories100.0100.0

us-gaap:AccountsPayableRelatedPartiesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.7511.0581.5091.5932.0360.0010.0030.0080.0060.0050.0180.0485.7897.268267.509
Percentage of AccountsPayableRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

irwd:CyclerionTherapeuticsInc, srt:Director



Period End2020-06-302020-03-312019-12-31
Value0.81.11.5
Percentage of AccountsPayableRelatedPartiesCurrent106.5104.099.4

us-gaap:ProductOrService

irwd:CollaborativeArrangementsAndActivePharmaceuticalIngredient



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.64.13.84.32.73.16.63.62.6
Percentage of AccountsPayableRelatedPartiesCurrent434.8271.7238.5211.20.00.00.00.00.0

us-gaap:CounterpartyName, us-gaap:ProductOrService

us-gaap:AccountsReceivableNet

irwd:AbbviePlc, irwd:CollaborativeArrangementsAndActivePharmaceuticalIngredient



Period End2020-06-30
Value88
Percentage of AccountsReceivableNet100.0

us-gaap:ProductOrService

irwd:CollaborativeArrangementsAndActivePharmaceuticalIngredient



Period End2020-06-302019-12-31
Value12843
Percentage of AccountsReceivableNet145.40.0

us-gaap:AccountsReceivableNetNoncurrent



Period End2020-06-302020-03-312019-12-31
Value222232
Percentage of AccountsReceivableNetNoncurrent100.0100.0100.0

us-gaap:ProductOrService

irwd:CollaborativeArrangementsAndActivePharmaceuticalIngredient



Period End2020-03-312019-12-312018-12-31
Value404321
Percentage of AccountsReceivableNetNoncurrent177.7134.70.0

us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedPartiesCurrent

irwd:AllerganPlc, us-gaap:Investor



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value731069479696055736579
Percentage of AccountsReceivableRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedBonusesCurrent



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
Value5.5223.672118.6475.375.1116129.3385.8681315
Percentage of AccruedBonusesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value2313000.02036000.01421000.05177000.05275000.04805000.02770000.02681000.02708000.02360000.01261000.01767000.01407000.01570000.01213000.01655000.01632000.0787000.0507000.0626000.0466000.0858000.0574000.0788000.0706000.0792000.0531000.01393000.01326000.01269000.01031000.01565000.0820000.0836000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalariesCurrent



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
Value2662000.01582000.02973000.01703000.02499000.01506000.03627000.01750000.03912000.02042000.04566000.04420000.0
Percentage of AccruedSalariesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedVacationCurrent



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
Value3484000.03007000.02540000.02647000.02887000.04379000.04100000.03835000.04868000.04820000.04672000.04007000.0
Percentage of AccruedVacationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2402181791399811817315216216919018412717614720329434830429030064847010914767140208103126328512998152
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value161531116050411421591131081211711501321379977867290
Percentage of AssetsFairValueDisclosure6.77.317.58.261.542.623.793.598.166.956.766.0134.385.189.867.333.822.328.425.030.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302014-12-31
Value256233210150159169214308341308330347432440416439421509522581235
Percentage of AssetsFairValueDisclosure106.7107.3117.5108.2161.5142.6123.7202.0209.8181.8173.2188.2338.3249.0282.2215.6143.3146.3171.4193.2276.6

us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoff, irwd:SgcBusiness



Period End2020-06-302019-12-312019-09-302019-06-302018-12-31
Value0.00.00.00.010
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation0.00.00.00.0100.0

us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

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



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2382151391018210214211611544
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementFrequency

us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2382151391018210214211611544
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ClassOfWarrantOrRight

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

irwd:NoteHedgeWarrants



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-04-152019-04-142019-03-31
Value18.8221.521.521.521.518.8221.521.5
Percentage of ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleDebtNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value418413407402274269265261257253249
Percentage of ConvertibleDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value19191919114114114114114114114114114
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-31
Value112112112112114114114114
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent567.0567.0567.0567.00.00.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DebtInstrumentConvertibleConversionPrice1

irwd:ConvertibleNoteHedge



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-04-152019-03-312018-12-312018-09-302018-06-302018-03-31
Value16.5816.5816.5816.5816.5814.5116.5816.5816.5816.5816.58
Percentage of DebtInstrumentConvertibleConversionPrice1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-06-30
Value120120120120335335335335335335335
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateEffectivePercentage

irwd:ConvertibleSeniorNotes0.75PercentDue2024, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-30
Value0.0620.0610.04730.061
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0

irwd:ConvertibleSeniorNotes1.50PercentDue2026, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-31
Value0.0650.0650.0469
Percentage of DebtInstrumentInterestRateEffectivePercentage104.8106.699.2

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-292019-06-30
Value0.0960.0950.0750.09340.0934
Percentage of DebtInstrumentInterestRateEffectivePercentage154.8155.7158.60.00.0

us-gaap:DebtInstrumentUnamortizedDiscount



Period End2020-06-302020-03-312019-09-302015-12-31
Value9499109107
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312015-12-31
Value949910410956616594107
Percentage of DebtInstrumentUnamortizedDiscount100.0100.00.0100.00.00.00.00.0100.0

us-gaap:MeasurementInputType

us-gaap:DerivativeAssetMeasurementInput

us-gaap:MeasurementInputExercisePrice



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14.5114.5114.5114.5114.5116.5816.5816.5816.5816.58
Percentage of DerivativeAssetMeasurementInput100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MeasurementInputExpectedTerm



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.02.22.52.73.03.23.53.74.04.5
Percentage of DerivativeAssetMeasurementInput13.815.217.218.620.719.321.122.324.127.1

us-gaap:MeasurementInputPriceVolatility



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.5440.5240.4910.4780.4720.4580.4380.4070.4230.441
Percentage of DerivativeAssetMeasurementInput3.73.63.43.33.32.82.62.52.62.7

us-gaap:MeasurementInputRiskFreeInterestRate



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0020.0020.0160.0160.0170.0230.0250.0290.0270.021
Percentage of DerivativeAssetMeasurementInput0.00.00.10.10.10.10.20.20.20.1

us-gaap:MeasurementInputSharePrice



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value10.3210.0913.318.5910.9411.3310.3618.4619.1214.99
Percentage of DerivativeAssetMeasurementInput71.169.591.759.275.468.362.5111.3115.390.4

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssets

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value16153111605041142159108
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value16153111605041142159108
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilities

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1212248.76850393312214392
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1212248.76850393312214392
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MeasurementInputType

us-gaap:DerivativeLiabilityMeasurementInput

us-gaap:MeasurementInputExercisePrice



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value18.8218.8218.8218.8218.8221.521.521.521.521.5
Percentage of DerivativeLiabilityMeasurementInput100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MeasurementInputExpectedTerm



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.52.83.03.33.53.84.14.44.55.0
Percentage of DerivativeLiabilityMeasurementInput13.314.915.917.518.617.719.120.520.923.3

us-gaap:MeasurementInputPriceVolatility



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.5270.5010.4650.4650.4710.4450.4360.4160.4490.441
Percentage of DerivativeLiabilityMeasurementInput2.82.72.52.52.52.12.01.92.12.1

us-gaap:MeasurementInputRiskFreeInterestRate



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0020.0030.0160.0160.0170.0230.0250.0290.0270.022
Percentage of DerivativeLiabilityMeasurementInput0.00.00.10.10.10.10.10.10.10.1

us-gaap:MeasurementInputSharePrice



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value10.3210.0913.318.5910.9411.3310.3618.4619.1214.99
Percentage of DerivativeLiabilityMeasurementInput54.853.670.745.658.152.748.285.988.969.7

us-gaap:DueFromRelatedPartiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-31
Value731059481695955736578755649635251525134253225144.455102.72.9615.2980.0361.030.0132.4440.5780.6672.5172.876
Percentage of DueFromRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value16153111605041142159108132
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByLiabilityClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:Warrant



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value1212248.76850393312214392113
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingAssetsNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value161531116050411421591131081211711501321379977867290
Percentage of HedgingAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingLiabilitiesNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1212248.76850393312214396921031491331131208668756269
Percentage of HedgingLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value301000.02105000.0301000.01392000.0793000.02716000.0873000.02761000.0873000.02761000.0873000.02761000.0873000.05204000.0971000.02901000.01047000.02965000.01103000.03012000.01142000.0839000.0850000.0856000.0856000.0856000.0856000.0
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1212248.76850393312217612712317423521219021617468756269
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-30
Value1212248.768503933122176127123174235212190216174687569
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoff, irwd:SgcBusiness



Period End2020-06-302019-12-312019-09-302019-06-302018-12-31
Value0.00.00.00.015
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation0.00.00.00.0100.0

us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

irwd:ConvertibleSeniorNotes0.75PercentDue2024, us-gaap:FairValueInputsLevel2, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-30
Value206202235185
Percentage of LongTermDebtFairValue100.0100.0100.0100.0

irwd:ConvertibleSeniorNotes1.50PercentDue2026, us-gaap:FairValueInputsLevel2, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-30
Value206202240183
Percentage of LongTermDebtFairValue100.1100.1101.998.8

irwd:ConvertibleSeniorNotes2.25PercentDue2022, us-gaap:FairValueInputsLevel2, us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value126124141120359370315433392
Percentage of LongTermDebtFairValue61.461.759.964.60.00.00.00.00.0

us-gaap:OperatingLeaseLiability



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value23232332349294
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName

irwd:DataCenterLeaseBostonMassachusetts



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value0.40.40.40.50.50.50.6
Percentage of OperatingLeaseLiability1.71.71.71.51.50.50.6

irwd:SummerStreetLease



Period End2020-06-302020-03-312019-12-31
Value232322
Percentage of OperatingLeaseLiability98.798.298.2

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0580.0580.0580.0540.0530.067
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent



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
Value1072000.02084000.01260000.01340000.0536000.01302000.02154000.02602000.01410000.02445000.01305000.04562000.0
Percentage of OtherEmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCash



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value2221000.02221000.02221000.08647000.08647000.07676000.07676000.07676000.08306000.07056000.07056000.07057000.08246000.0
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1250000.01250000.01250000.07676000.07676000.01250000.01250000.0
Percentage of RestrictedCashCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value971000.0971000.0971000.0971000.0971000.06426000.06426000.07676000.07056000.0
Percentage of RestrictedCashNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value200000.0179000.0432000.01597000.02956000.03303000.0
Percentage of RestructuringReserveCurrent100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense



Period End2020-06-302020-03-312019-09-302015-12-31
Value7300000.07659000.08339000.07443000.0
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312015-12-31
Value7300000.07659000.08005000.08339000.04449000.04733000.05004000.06781000.07443000.0
Percentage of UnamortizedDebtIssuanceExpense100.0100.00.0100.00.00.00.00.0100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical
('irwd:AllerganPlc', None, 'srt:NorthAmerica')

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical
('irwd:AllerganPlc', 'irwd:CollaborativeArrangementsLinzess', None)

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:StatementGeographical
('irwd:AstellasPharmaInc', None, 'country:JP')

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:CounterpartyName, us-gaap:ProductOrService
('irwd:Alnylam', None)

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)