AVLR


Line plots across dimensions of each concept
Tables

Table of contents



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

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

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

us-gaap:Revenues

us-gaap:CostOfRevenue
us-gaap:ProductOrService

us-gaap:GrossProfit

us-gaap:OperatingExpenses

us-gaap:ResearchAndDevelopmentExpense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:SellingAndMarketingExpense

us-gaap:OperatingIncomeLoss

us-gaap:InterestExpenseDebt

us-gaap:InterestPaidNet

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

avlr:AccruedPurchasePriceRelatedToAcquisitions
us-gaap:BalanceSheetLocation
avlr:CapitalizedContractCostDeferred

avlr:ContractWithCustomerLiabilitiesAdditions

avlr:ContractWithCustomerLiabilitiesTransferredToDeferredRevenue

avlr:DeferredOfferingCostsAccruedNotYetPaid
us-gaap:BalanceSheetLocation
avlr:DeferredRevenueAdditionalAmountsDeferred
us-gaap:BalanceSheetLocation
avlr:DeferredRevenueRecognized
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
avlr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPayments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
avlr:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityAtAcquisition
us-gaap:PlanName
avlr:FairValueOfCommonStock
us-gaap:Range

avlr:IncreaseDecreaseInDeferredCommissions

avlr:IncreaseDecreaseInOperatingLeaseLiabilities

avlr:NetIncreaseDecreaseInCustomerFundAssets

avlr:NetIncreaseDecreaseInCustomerFundObligations

avlr:NonCashChangeInEarnoutLiability

avlr:NonCashOperatingLeaseCosts
us-gaap:Range, us-gaap:PlanName
avlr:PercentageOfPayrollDeductionOnEligibleCompensation

avlr:ProvisionForBadDebtsExpenseRecovery
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
avlr:ShareOfCommonStockTransferredToSellerToSettleEarnoutProvision
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
avlr:ValueOfCommonStockTransferredToSellerToSettleEarnoutProvision
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationConsiderationTransferredOther1

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:BalanceSheetLocation
us-gaap:CapitalizedContractCostAmortization

us-gaap:Depreciation

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome

us-gaap:IncomeTaxesPaid

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:InvestmentIncomeInterest

us-gaap:LeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherNoncashExpense

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentsOfMergerRelatedCostsFinancingActivities

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockPlans

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:PlanName
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
us-gaap:Range, us-gaap:PlanName
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesPurchaseOfAssets

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValuePurchaseOfAssets
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

avlr:AccruedEmployeeStockPurchasePlanContributionsCurrent

avlr:AccruedPartnerCommissionsCurrent

avlr:BusinessCombinationAccruedLiabilitiesPurchasePriceRelatedToAcquisitionsCurrent

avlr:ContractLiabilitiesCurrent

avlr:CurrentAssetsBeforeCustomerFundAssets

avlr:CurrentLiabilitiesBeforeCustomerFundObligations

avlr:CustomerFundObligations

avlr:ReceivablesFromCustomersAllowanceForDoubtfulAccounts

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AccruedSalesCommissionCurrent

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

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent
us-gaap:BalanceSheetLocation
us-gaap:CapitalizedContractCostNet

us-gaap:CapitalizedContractCostNetCurrent
us-gaap:BalanceSheetLocation

us-gaap:CapitalizedContractCostNetNoncurrent

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:PlanName
us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
us-gaap:BalanceSheetLocation
us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:BalanceSheetLocation

us-gaap:DepositsAssetsCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:PlanName
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

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

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:SelfInsuranceReserveCurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:CommonStockValue █████▁▁▁▁0.0080.0080.0080.0080.0080.0070.0070.0070.007NA0.001NANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█████▇▇▇▇▁▁79.51498378.29468777.4476276.88861675.44455169.90344766.76856366.49015666.457656.2644225.992293NANA
us-gaap:CommonStockSharesIssued █▇▇▇▆▃▁▁▁79.51578.29577.44876.88975.44569.90366.76966.4966.458NA5.992NANA
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄▄▄▄▄600.0600.0600.0600.0600.0600.0600.0600.0600.0NA153.945NANA
us-gaap:PreferredStockSharesAuthorized ▄▄▄▄▄▄▄20.020.020.020.020.020.020.0NANANA0.0NANA
us-gaap:CommonStockSharesOutstanding █▇▇▇▆▃▁▁▁79.51578.29577.44876.88975.44569.90366.76966.49015666.458NA5.992NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁78.92477.904NA76.15671.56868.381NA66.5914.3836.17NA5.7065.494
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁78.92477.904NA76.15671.56868.381NA66.5914.3836.17NA5.7065.494
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted █▁78.92477.904NA76.15671.56868.381NA0.066590.0143836.17NA0.0057060.005494
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█7.1827.227NA8.5029.75310.882NA11.67555.7362.724NA62.2162.17
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇▆▅▅▄▃▂▂▂▁▁116.487111.443107.62798.52591.29984.9776.92369.91963.87961.37758.03555.26850.891
us-gaap:Revenues █▇▇▆▅▅▄▃▂▂▂▁▁116.487111.443107.62798.52591.29984.9777.48569.52763.70961.37758.03555.26850.891
us-gaap:CostOfRevenue ███▆▆▅▄▃▃▂▁▁▁33.3334.25432.87929.77827.33525.30722.27220.23618.63217.50915.38814.65914.367
us-gaap:GrossProfit █▇▇▆▅▄▄▃▂▂▂▂▁83.15777.18974.74868.74763.96459.66355.21349.29145.07743.86842.64740.60936.524
us-gaap:OperatingExpenses ▇█▇▆▅▄▅▅▃▂▃▁▁93.20696.86993.20882.69577.69369.39874.02373.9762.37359.13764.51652.43750.966
us-gaap:ResearchAndDevelopmentExpense ██▇▆▅▃▂▂▂▂▁▁▁26.84425.84725.61921.87118.99615.95613.57713.28512.42812.61910.8910.40110.291
us-gaap:GeneralAndAdministrativeExpense ▇█▆█▆▅▃▂▂▂▁▁▁20.32221.38818.15420.51118.01915.23410.81610.2359.3419.2118.0978.0927.484
us-gaap:SellingAndMarketingExpense ▆██▄▄▃█▄▄▃▃▁▁46.0449.63449.43540.31340.67838.20849.6341.27640.60437.30737.15233.15133.191
us-gaap:OperatingIncomeLoss █▃▄▆▆█▄▁▄▅▂▇▆-10.049-19.68-18.46-13.948-13.729-9.735-18.81-24.679-17.296-15.269-21.869-11.828-14.442
us-gaap:InterestExpenseDebt ▁▁▁▁▂▂▂▅█▇▆▅▅0.00.00.0030.0020.1730.1110.1130.5341.0670.8940.7680.6350.654
us-gaap:InterestPaidNet ▁▁▁▁▁▁▂▅█▆▅▅0.00.00.00.00.0590.0630.1280.581.0170.770.580.52NA
us-gaap:OtherNonoperatingIncomeExpense ▂█▅▂▁▂▂▂▃▂▁▆▁-0.1223.3721.559-0.265-0.381-0.0480.16-0.0490.4420.03-0.5632.003-0.509
us-gaap:AllocatedShareBasedCompensationExpense █▆▅▆▆▄▂▂▂▂▁▁12.3689.7498.4579.9339.4396.5714.5184.3433.5713.5172.7643.19NA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▅▅▇▆█▄▁▄▅▁▇▅-10.003-14.866-15.118-12.013-13.001-9.127-18.583-24.194-17.652-16.097-23.171-10.437-15.59
us-gaap:NonoperatingIncomeExpense ▃█▆▅▃▃▃▃▂▂▁▄▁0.0464.8143.3421.9350.7280.6080.2270.485-0.356-0.828-1.3021.391-1.148
us-gaap:IncomeTaxExpenseBenefit ▆█▇█▇▆▅▅▆▁▂▅▅0.1370.4170.3260.3410.1720.116-0.151-0.0910.114-0.848-0.757-0.172-0.141
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▆▆▆▅▆▅▅▅▁▆▄█▅0.4350.6250.403-0.5910.276-0.4620.004-0.242-3.0480.603-0.7121.719-0.211
us-gaap:NetIncomeLoss █▅▅▇▆█▄▁▄▅▂█▅-10.14-15.283-15.444-12.354-13.173-9.243-18.432-24.103-17.766-15.249-22.414-10.265-15.449
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings█▁-10.14-15.283NA-12.354-13.173-9.243-18.432-24.103-17.766-15.249NANANA
us-gaap:ComprehensiveIncomeNetOfTax ▇▅▅▆▆▇▄▁▃▅▂█▅-9.705-14.658-15.041-12.945-12.897-9.705-18.428-24.345-20.814-14.646-23.126-8.546-15.66
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:Assets ███▇▆▂▁▁▂828.221805.889807.267724.932692.448392.686322.932311.327352.715NA178.812NANA
us-gaap:Liabilities ▇▇█▄▃▃▂▁▂328.019329.595343.545261.063240.32223.713213.379189.078210.561NA201.483NANA
us-gaap:LiabilitiesAndStockholdersEquity ███▇▆▂▁▁▂828.221805.889807.267724.932692.448392.686322.932311.327352.715NA178.812NANA
us-gaap:StockholdersEquity █████▅▅▅▅▁▁500.202476.294463.722463.869452.128168.973109.553122.249142.154-407.163-393.592NANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:AssetsCurrent ███▇▇▂▁▁▂584.401561.564566.803535.3528.73232.179207.299194.643226.231NA61.082NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue █████▃▃▃▃▁▁▁▁474.411450.535466.95446.563441.584146.878142.322138.093173.10812.62214.07514.34912.303
us-gaap:AccountsReceivableNetCurrent █▇▆▆▄▅▄▂▁59.78353.79751.64449.12443.40945.38140.28734.74328.681NA26.596NANA
us-gaap:OtherAssetsCurrent ▇▇█▅▁▃▂▄▁2.062.1422.3011.6770.6041.2070.7611.3640.695NA0.12NANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▇█▅▅▄▅▄▃▁17.61218.87214.12713.85611.17913.25511.30710.3786.375NA7.016NANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▅▄▃▂▁59.29358.55658.21556.48854.05152.17949.74847.79645.5NA40.816NANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▇▆▅▄▃▂▁25.47324.37123.21821.95119.90318.3616.37514.68313.063NA15.422NANA
us-gaap:AmortizationOfIntangibleAssets ▅████▆▅▅▁▁▁▁▁1.61.81.81.81.81.71.61.61.41.41.41.41.4
us-gaap:PropertyPlantAndEquipmentNet ▅▆█▇▆▅▄▃▁33.8234.18534.99734.53734.14833.81933.37333.11332.437NA25.394NANA
us-gaap:Goodwill ████▄▄▁▁▃101.198101.035101.224100.92678.98178.84261.361.44470.692NA72.482NANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▃▅▆▆█▁▂▄19.31920.94922.93224.54324.76526.4419.37120.79722.559NA19.074NANA
us-gaap:OperatingLeaseRightOfUseAsset ▅█▁51.92453.92949.321NANANA0.0NANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:LiabilitiesCurrent ███▆▅▄▃▁▁265.477267.803271.727231.947220.553203.371185.673161.621159.892NA136.862NANA
us-gaap:AccountsPayableCurrent ▇█▆▅▃▄▁14.34515.28911.69310.9628.1979.5364.847NANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▆▆▇█▇▆▁▄▁7.6427.8487.9248.2547.9567.7166.3877.2416.403NA5.083NANA
us-gaap:TaxesPayableCurrent ▆█▆▆▄▄▄▂▁2.6943.2372.6352.4841.8891.9021.8271.380.915NA1.044NANA
us-gaap:AccruedLiabilitiesCurrent ▄▂█▄▄▁▁51.75445.18762.10449.86449.11441.642.217NANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent ██▁10.19410.148.756NANANA0.0NANANANANANA
us-gaap:ContractWithCustomerLiabilityCurrent ██▇▅▃▂▁166.207164.699160.271147.713137.997131.733125.26NANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:DeferredTaxLiabilitiesNoncurrent NA0.3990.3370.6980.6380.5990.560.7440.887NA1.854NANA
us-gaap:DeferredIncomeTaxLiabilitiesNet 0.472NA0.337NANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent █▃▆▆▅▅▂▂▁3.4390.8362.3752.3611.8351.8350.4360.4350.036NA0.785NANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁█▄57.11959.88758.301NANANA0.0NANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:StockholdersEquity █████▅▅▅▅▁▁500.202476.294463.722463.869452.128168.973109.553122.249142.154-407.163-393.592NANA
us-gaap:CommonStockValue █████▁▁▁▁0.0080.0080.0080.0080.0080.0070.0070.0070.007NA0.001NANA
us-gaap:AdditionalPaidInCapitalCommonStock █▇▇▇▆▂▁▁▁1037.471003.857976.627961.733937.047640.996599.493593.761589.321NA18.121NANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▃▄▅▆▅▆█-535.617-525.477-510.194-494.75-482.396-469.223-487.602-469.17-445.067NA-412.052NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▆▃▁▄▃▅▅▆-1.659-2.094-2.719-3.122-2.531-2.807-2.345-2.349-2.107NA0.338NANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁12.3689.749NA9.9339.4396.5714.5184.3443.5713.517NANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▁█▆▇▃▆▅▅▃▅▆8.174-24.26916.9555.85210.0-10.4217.0361.1782.099-13.375-1.9765.314NA
us-gaap:NetCashProvidedByUsedInInvestingActivities █▆▅▅▅▁▆▇█▂▆▅3.94-5.515-10.504-7.362-7.49-26.779-4.5041.7724.517-22.152-3.856-6.995NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂█▃▂▁▅▃▂▂11.59913.73413.9566.362292.10641.9861.627-38.002153.77834.0185.5923.65NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▂▁▂▁█▁▁23.876-16.41520.3874.979294.7064.5564.229NANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▁█▆▇▃▆▅▅▃▅▆8.174-24.26916.9555.85210.0-10.4217.0361.1782.099-13.375-1.9765.314NA
us-gaap:NetIncomeLoss █▅▅▇▆█▄▁▄▅▂█▅-10.14-15.283-15.444-12.354-13.173-9.243-18.432-24.103-17.766-15.249-22.414-10.265-15.449
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings█▁-10.14-15.283NA-12.354-13.173-9.243-18.432-24.103-17.766-15.249NANANA
us-gaap:DepreciationDepletionAndAmortization ▇██▇▇▆▄▄▂▂▁▂3.9084.0914.1234.0163.9873.6813.4123.3983.0022.992.732.863NA
us-gaap:IncreaseDecreaseInAccountsReceivable █▆▆█▃▇██▁█▇▂6.2412.753.2145.92-1.8075.5355.6565.83-4.4066.4284.135-2.735NA
us-gaap:DeferredIncomeTaxExpenseBenefit ██▅███▆▇█▁▄▅0.0730.062-0.3610.060.0390.039-0.184-0.1430.051-1.018-0.581-0.323NA
us-gaap:ShareBasedCompensation █▆▅▆▆▄▂▂▂▂▁▁12.2479.7318.4439.9229.4246.564.514.3373.5643.512.7613.182NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities █▆▅▅▅▁▆▇█▂▆▅3.94-5.515-10.504-7.362-7.49-26.779-4.5041.7724.517-22.152-3.856-6.995NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▁▄▂▄▂▃██▆▅▇1.9561.62.9842.2462.8362.1142.5694.7454.5443.6253.6054.235NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂█▃▂▁▅▃▂▂11.59913.73413.9566.362292.10641.9861.627-38.002153.77834.0185.5923.65NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8000.08000.08000.08000.08000.07000.07000.07000.07000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0

None

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value7978777675696666666.2644225.992293
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7978777675696666665.992
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-06-142017-12-31
Value600600600600600600600600600153153
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value202020202020200.0
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.00.0

None

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7978777675696666665.992
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value787776716866146.175.7065.494
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value787776716866146.175.7065.494
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value78777671680.066590.0143836.170.0057060.005494
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value7.1827.2278.5029.753101155626262
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

avlr:EmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.050.0090.0070.0820.0140.0630.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.70.10.10.80.10.50.00.0

avlr:OptionsToPurchaseCommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value4.9285.6647.1498.458101111111010
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount68.678.484.186.794.197.220.018.017.417.1

avlr:UnvestedRestrictedStockUnits


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2.2041.5541.3461.2130.6310.2620.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount30.721.515.812.45.82.20.00.0

None

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value11611110798918476696361585550
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.00.0100.0100.0100.00.0100.6100.3100.00.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

avlr:ProfessionalServices


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.9685.8977.6716.5396.2916.7395.1935.3084.0343.507
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.85.37.16.66.97.96.87.66.35.7
Percentage of Revenues6.85.30.06.66.97.90.07.66.35.7
Percentage of Revenues avlr:ProfessionalServices0.00.00.00.00.00.00.00.00.00.0

us-gaap:SubscriptionAndCirculation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1081059991857871645957
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.294.792.993.493.192.193.292.493.794.3
Percentage of Revenues93.294.70.093.493.192.10.092.993.994.3
Percentage of Revenues us-gaap:SubscriptionAndCirculation0.00.00.00.00.00.00.00.00.00.0

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

avlr:ProfessionalServices, country:US


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.3315.4626.9836.0195.6635.7354.3834.5953.1812.967
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.34.96.56.16.26.75.76.65.04.8
Percentage of Revenues6.34.90.06.16.26.70.06.65.04.8
Percentage of Revenues avlr:ProfessionalServices country:US0.00.00.00.00.00.00.00.00.00.0

avlr:SubscriptionAndReturnsInterestIncomeOnFundsHeldForCustomers, country:US


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0580.5250.7650.9070.8120.7290.4930.3920.1690.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.50.70.90.90.90.60.60.30.0
Percentage of Revenues0.00.50.00.90.90.90.00.60.30.0
Percentage of Revenues avlr:SubscriptionAndReturnsInterestIncomeOnFundsHeldForCustomers country:US0.00.00.00.00.00.00.00.00.00.0

avlr:SubscriptionAndReturnsTaxDetermination, country:US


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value61585652484542373433
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax53.052.952.953.553.353.255.354.253.654.0
Percentage of Revenues53.052.90.053.553.353.20.054.653.854.0
Percentage of Revenues avlr:SubscriptionAndReturnsTaxDetermination country:US0.00.00.00.00.00.00.00.00.00.0

avlr:SubscriptionAndReturnsTaxReturnsAndComplianceManagement, country:US


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value40393633302624222221
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.135.434.434.033.631.431.832.335.035.5
Percentage of Revenues35.135.40.034.033.631.40.032.535.135.5
Percentage of Revenues avlr:SubscriptionAndReturnsTaxReturnsAndComplianceManagement country:US0.00.00.00.00.00.00.00.00.00.0

us-gaap:SubscriptionAndCirculation, country:US


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value102989487807267605654
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.188.888.088.487.885.587.887.288.889.5
Percentage of Revenues88.188.80.088.487.885.50.087.689.189.5
Percentage of Revenues us-gaap:SubscriptionAndCirculation country:US0.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:US


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10910410193857871655957
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.493.794.594.594.192.293.593.793.894.4
Percentage of Revenues94.493.70.094.594.192.20.094.394.194.4
Percentage of Revenues country:US0.00.00.00.00.00.00.00.00.00.0

us-gaap:NonUs


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.5337.0525.9695.4215.4316.5885.0384.3883.9453.46
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.66.35.55.55.97.86.56.36.25.6
Percentage of Revenues5.66.30.05.55.97.80.06.36.25.6
Percentage of Revenues us-gaap:NonUs0.00.00.00.00.00.00.00.00.00.0

None

us-gaap:Revenues

us-gaap:Revenues


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value11611110798918477696361585550
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value33343229272522201817151414
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.630.730.530.229.929.828.729.129.228.526.526.528.2

us-gaap:CostOfRevenue us-gaap:ProductOrService

avlr:ProfessionalServices


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.5514.7374.5924.1574.3974.3293.72.9062.7952.692
Percentage of CostOfRevenue13.713.814.014.016.117.116.614.415.015.4
Percentage of Revenues3.94.34.34.24.85.14.84.24.44.4
Percentage of Revenues avlr:ProfessionalServices0.00.00.00.00.00.00.00.00.00.0

us-gaap:SubscriptionAndCirculation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value28292825222018171514
Percentage of CostOfRevenue86.386.286.086.083.982.983.485.685.084.6
Percentage of Revenues24.726.526.326.025.124.724.024.924.924.1
Percentage of Revenues us-gaap:SubscriptionAndCirculation0.00.00.00.00.00.00.00.00.00.0

None

us-gaap:GrossProfit

us-gaap:GrossProfit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value83777468635955494543424036
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues71.469.369.569.870.170.271.370.970.871.573.573.571.8

None

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value93969382776974736259645250
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues80.086.986.683.985.181.795.5106.497.996.4111.294.9100.1

None

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value26252521181513131212101010
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.023.223.822.220.818.817.519.119.520.618.818.820.2

None

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value20211820181510109.3419.2118.0978.0927.484
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues17.419.216.920.819.717.914.014.714.715.014.014.614.7

None

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value46494940403849414037373333
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues39.544.545.940.944.645.064.159.463.760.864.060.065.2

None

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-10049000.0-19680000.0-18460000.0-13948000.0-13729000.0-9735000.0-18810000.0-24679000.0-17296000.0-15269000.0-21869000.0-11828000.0-14442000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.6-17.7-17.2-14.2-15.0-11.5-24.3-35.5-27.1-24.9-37.7-21.4-28.4

None

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value003000.02000.0173000.0111000.0113000.0534000.01067000.0894000.0768000.0635000.0654000.0
Percentage of InterestExpenseDebt0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.20.10.10.81.71.51.31.11.3

None

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value000059000.063000.0128000.0580000.01017000.0770000.0580000.0520000.0
Percentage of InterestPaidNet0.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.10.10.20.81.61.31.00.9

None

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-122000.03372000.01559000.0-265000.0-381000.0-48000.0160000.0-49000.0442000.030000.0-563000.02003000.0-509000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.13.01.4-0.3-0.4-0.10.2-0.10.70.0-1.03.6-1.0

None

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value129.7498.4579.9339.4396.5714.5184.3433.5713.5172.7643.19
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.68.77.910.110.37.75.86.25.65.74.85.8

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

avlr:EmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.7220.9670.8860.7920.6920.9561.1140.9550.00.0
Percentage of AllocatedShareBasedCompensationExpense5.89.910.58.07.314.524.722.00.00.0
Percentage of Revenues0.60.90.80.80.81.11.41.40.00.0
Percentage of Revenues avlr:EmployeeStockPurchasePlan0.00.00.00.00.00.00.00.00.00.0

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4.1593.8493.944.4364.1963.9173.3163.3863.63.0052.7633.192.7
Percentage of AllocatedShareBasedCompensationExpense33.639.546.644.744.559.673.478.0100.885.4100.0100.00.0
Percentage of Revenues3.63.53.74.54.64.64.34.95.74.94.85.85.3
Percentage of Revenues us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.4874.9333.6314.7054.5511.6980.0880.0020.00.0
Percentage of AllocatedShareBasedCompensationExpense60.550.642.947.448.225.81.90.00.00.0
Percentage of Revenues6.44.43.44.85.02.00.10.00.00.0
Percentage of Revenues us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-10003000.0-14866000.0-15118000.0-12013000.0-13001000.0-9127000.0-18583000.0-24194000.0-17652000.0-16097000.0-23171000.0-10437000.0-15590000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.6-13.3-14.0-12.2-14.2-10.7-24.0-34.8-27.7-26.2-39.9-18.9-30.6

None

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value46000.04814000.03342000.01935000.0728000.0608000.0227000.0485000.0-356000.0-828000.0-1302000.01391000.0-1148000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.04.33.12.00.80.70.30.7-0.6-1.3-2.22.5-2.3

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value137000.0417000.0326000.0341000.0172000.0116000.0-151000.0-91000.0114000.0-848000.0-757000.0-172000.0-141000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.40.30.30.20.1-0.2-0.10.2-1.4-1.3-0.3-0.3

None

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value435000.0625000.0403000.0-591000.0276000.0-462000.04000.0-242000.0-3048000.0603000.0-712000.01719000.0-211000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.40.60.4-0.60.3-0.50.0-0.3-4.81.0-1.23.1-0.4

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value435000.0625000.0-591000.0276000.0-462000.04000.0-242000.0-3048000.0603000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.40.6-0.60.3-0.50.0-0.3-4.81.0
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-10140000.0-15283000.0-15444000.0-12354000.0-13173000.0-9243000.0-18432000.0-24103000.0-17766000.0-15249000.0-22414000.0-10265000.0-15449000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.7-13.7-14.3-12.5-14.4-10.9-23.8-34.7-27.9-24.8-38.6-18.6-30.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-10140000.0-15283000.0-12354000.0-13173000.0-9243000.0-18432000.0-24103000.0-17766000.0-15249000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.7-13.7-12.5-14.4-10.9-23.8-34.7-27.9-24.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-9705000.0-14658000.0-15041000.0-12945000.0-12897000.0-9705000.0-18428000.0-24345000.0-20814000.0-14646000.0-23126000.0-8546000.0-15660000.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.3-13.2-14.0-13.1-14.1-11.4-23.8-35.0-32.7-23.9-39.8-15.5-30.8

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value828805807724692392322311352178
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value328329343261240223213189210201
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.640.942.636.034.757.066.160.759.7112.7

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value828805807724692392322311352178
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value500476463463452168109122142-407.163-393.592-343.161-263.264
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets60.459.157.464.065.343.033.939.340.30.0-220.10.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-1.659-2.094-2.719-3.122-2.531-2.807-2.345-2.349-2.1070.9410.338-1.468-0.834
Percentage of StockholdersEquity-0.3-0.4-0.6-0.7-0.6-1.7-2.1-1.9-1.5-0.2-0.10.40.3
Percentage of Assets-0.2-0.3-0.3-0.4-0.4-0.7-0.7-0.8-0.60.00.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1037100397696193764059959358919186.1227.013
Percentage of StockholdersEquity207.4210.8210.6207.3207.3379.3547.2485.7414.6-4.7-4.6-1.8-2.7
Percentage of Assets125.3124.6121.0132.7135.3163.2185.6190.7167.10.010.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value0.0080.0080.0080.0080.0080.0070.0070.0070.0070.0010.0010.0010.001
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-535.617-525.477-510.194-494.75-482.396-469.223-487.602-469.17-445.067-427.301-412.052-347.816-269.444
Percentage of StockholdersEquity-107.1-110.3-110.0-106.7-106.7-277.7-445.1-383.8-313.1104.9104.7101.4102.3
Percentage of Assets-64.7-65.2-63.2-68.2-69.7-119.5-151.0-150.7-126.20.0-230.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value58456156653552823220719422661
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.669.770.273.876.459.164.262.564.134.2

None

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value474450466446441146142138173121414122010
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets57.355.957.861.663.837.444.144.449.10.07.90.00.00.00.0

None

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value59535149434540342826
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.26.76.46.86.311.612.511.28.114.9

None

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2060000.02142000.02301000.01677000.0604000.01207000.0761000.01364000.0695000.0120000.0
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.20.10.30.20.40.20.1

None

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value17181413111311106.3757.016
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.31.71.91.63.43.53.31.83.9

None

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value59585856545249474540
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.27.37.27.87.813.315.415.412.922.8

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

avlr:ComputerEquipmentAndSoftware


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14151515141312121112
Percentage of PropertyPlantAndEquipmentGross24.626.626.927.626.926.725.926.026.431.6
Percentage of Assets1.81.91.92.12.13.64.04.03.47.2
Percentage of Assets avlr:ComputerEquipmentAndSoftware0.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6.936.5596.5896.776.5076.4625.855.7585.8524.459
Percentage of PropertyPlantAndEquipmentGross11.711.211.312.012.012.411.812.012.910.9
Percentage of Assets0.80.80.80.90.91.61.81.81.72.5
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value29292828272726252320
Percentage of PropertyPlantAndEquipmentGross49.749.649.849.751.352.053.853.752.649.8
Percentage of Assets3.63.63.63.94.06.98.38.26.811.4
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:OfficeEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.8620.851.0580.8580.7190.5860.5860.6010.5990.622
Percentage of PropertyPlantAndEquipmentGross1.51.51.81.51.31.11.21.31.31.5
Percentage of Assets0.10.10.10.10.10.10.20.20.20.3
Percentage of Assets us-gaap:OfficeEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareDevelopment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7.4526.5215.9485.2054.5594.0753.623.333.1052.512
Percentage of PropertyPlantAndEquipmentGross12.611.110.29.28.47.87.37.06.86.2
Percentage of Assets0.90.80.70.70.71.01.11.10.91.4
Percentage of Assets us-gaap:SoftwareDevelopment0.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value25242321191816141315
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.02.93.02.94.75.14.73.78.6

None

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1600000.01800000.01800000.01800000.01800000.01700000.01600000.01600000.01400000.01400000.01400000.01400000.01400000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value33343434343333333225
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.24.34.84.98.610.310.69.214.2

None

us-gaap:Goodwill

us-gaap:Goodwill


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value101101101100787861617072
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.212.512.513.911.420.119.019.720.040.5

None

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value19202224242619202219
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.62.83.43.66.76.06.76.410.7

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7.7728.3228.9879.5588.4468.9586.216.6757.1997.923
Percentage of FiniteLivedIntangibleAssetsNet40.239.739.238.934.133.932.132.131.941.5
Percentage of Assets0.91.01.11.31.22.31.92.12.04.4
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11121314161713141510
Percentage of FiniteLivedIntangibleAssetsNet59.059.560.060.265.465.667.867.767.957.6
Percentage of Assets1.41.51.72.02.34.44.14.54.36.1
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.1330.1480.1650.1820.1020.1150.0320.0340.0480.14
Percentage of FiniteLivedIntangibleAssetsNet0.70.70.70.70.40.40.20.20.20.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.1
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.0

us-gaap:TrademarksAndTradeNames


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.010.0130.0170.0210.0250.0290.00.015
Percentage of FiniteLivedIntangibleAssetsNet0.10.10.10.10.10.10.00.1
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:TrademarksAndTradeNames0.00.00.00.00.00.00.00.0

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-06-302020-03-312019-12-312019-01-012018-12-31
Value515349380.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.00.0
Percentage of Assets6.36.76.10.00.0

None

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value265267271231220203185161159136
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.133.233.732.031.951.857.551.945.376.5

None

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value141511108.1979.5364.847
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.91.41.51.22.41.5

None

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7642000.07848000.07924000.08254000.07956000.07716000.06387000.07241000.06403000.05083000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.01.01.11.12.02.02.31.82.8

None

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2694000.03237000.02635000.02484000.01889000.01902000.01827000.01380000.0915000.01044000.0
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.30.30.30.50.60.40.30.6

None

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value51456249494142
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.25.67.76.97.110.613.1

None

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value10108.7560.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.00.0
Percentage of Assets1.21.31.10.0

None

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value166164160147137131125
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.120.419.920.419.933.538.8

None

us-gaap:DeferredTaxLiabilitiesNoncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value399000.0337000.0698000.0638000.0599000.0560000.0744000.0887000.01854000.0
Percentage of DeferredTaxLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.10.10.20.20.20.31.0

None

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


None
Period End2020-06-302019-12-31
Value472000.0337000.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0
Percentage of Assets0.10.0

None

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3439000.0836000.02375000.02361000.01835000.01835000.0436000.0435000.036000.0785000.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.10.30.30.30.50.10.10.00.4

None

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value5759580.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.00.0
Percentage of Assets6.97.47.20.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value500476463463452168109122142-407.163-393.592-343.161-263.264
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets60.459.157.464.065.343.033.939.340.30.0-220.10.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-1.659-2.094-2.719-3.122-2.531-2.807-2.345-2.349-2.1070.9410.338-1.468-0.834
Percentage of StockholdersEquity-0.3-0.4-0.6-0.7-0.6-1.7-2.1-1.9-1.5-0.2-0.10.40.3
Percentage of Assets-0.2-0.3-0.3-0.4-0.4-0.7-0.7-0.8-0.60.00.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1037100397696193764059959358919186.1227.013
Percentage of StockholdersEquity207.4210.8210.6207.3207.3379.3547.2485.7414.6-4.7-4.6-1.8-2.7
Percentage of Assets125.3124.6121.0132.7135.3163.2185.6190.7167.10.010.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value0.0080.0080.0080.0080.0080.0070.0070.0070.0070.0010.0010.0010.001
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-535.617-525.477-510.194-494.75-482.396-469.223-487.602-469.17-445.067-427.301-412.052-347.816-269.444
Percentage of StockholdersEquity-107.1-110.3-110.0-106.7-106.7-277.7-445.1-383.8-313.1104.9104.7101.4102.3
Percentage of Assets-64.7-65.2-63.2-68.2-69.7-119.5-151.0-150.7-126.20.0-230.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8000.08000.08000.08000.08000.07000.07000.07000.07000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1037100397696193764059959358918
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets125.3124.6121.0132.7135.3163.2185.6190.7167.110.1

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-535.617-525.477-510.194-494.75-482.396-469.223-487.602-469.17-445.067-412.052
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-64.7-65.2-63.2-68.2-69.7-119.5-151.0-150.7-126.2-230.4

None

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-1659000.0-2094000.0-2719000.0-3122000.0-2531000.0-2807000.0-2345000.0-2349000.0-2107000.0338000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.3-0.3-0.4-0.4-0.7-0.7-0.8-0.60.2

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value129.7499.9339.4396.5714.5184.3443.5713.517
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value129.7499.9339.4396.5714.5184.3443.5713.517
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.174-24.269165.85210.0-10.4217.0361.1782.099-13.375-1.9765.314
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.0-21.815.85.911.0-12.39.11.73.3-21.8-3.49.6

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3940000.0-5515000.0-10504000.0-7362000.0-7490000.0-26779000.0-4504000.01772000.04517000.0-22152000.0-3856000.0-6995000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.4-4.9-9.8-7.5-8.2-31.5-5.82.57.1-36.1-6.6-12.7

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1113136.362292411.627-38.002153345.5923.65
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.012.313.06.5319.949.42.1-54.7241.455.49.66.6

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value23-16.415204.9792944.5564.229
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues20.5-14.718.95.1322.85.45.5

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.174-24.269165.85210.0-10.4217.0361.1782.099-13.375-1.9765.314
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.0-21.815.85.911.0-12.39.11.73.3-21.8-3.49.6

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-10140000.0-15283000.0-15444000.0-12354000.0-13173000.0-9243000.0-18432000.0-24103000.0-17766000.0-15249000.0-22414000.0-10265000.0-15449000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.7-13.7-14.3-12.5-14.4-10.9-23.8-34.7-27.9-24.8-38.6-18.6-30.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-10140000.0-15283000.0-12354000.0-13173000.0-9243000.0-18432000.0-24103000.0-17766000.0-15249000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.7-13.7-12.5-14.4-10.9-23.8-34.7-27.9-24.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

None

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.9084.0914.1234.0163.9873.6813.4123.3983.0022.992.732.863
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.2412.753.2145.92-1.8075.5355.6565.83-4.4066.4284.135-2.735
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value73000.062000.0-361000.060000.039000.039000.0-184000.0-143000.051000.0-1018000.0-581000.0-323000.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value129.7318.4439.9229.4246.564.514.3373.5643.512.7613.182
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3940000.0-5515000.0-10504000.0-7362000.0-7490000.0-26779000.0-4504000.01772000.04517000.0-22152000.0-3856000.0-6995000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.4-4.9-9.8-7.5-8.2-31.5-5.82.57.1-36.1-6.6-12.7

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.9561.62.9842.2462.8362.1142.5694.7454.5443.6253.6054.235
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1113136.362292411.627-38.002153345.5923.65
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.012.313.06.5319.949.42.1-54.7241.455.49.66.6

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.3797345.4838915.8847426.4097777.7395479.03057911111110
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:PlanName

avlr:TwoThousandEighteenEquityIncentivePlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3.4931683.5401592.6526322.5007162.4794212.0098270.2650240.1799660.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber79.864.645.139.032.022.32.41.60.0

avlr:TwoThousandSixEquityIncentivePlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.1195244.1549564.7403915.2932556.6076818.03907710111110
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber71.275.880.682.685.489.098.298.299.899.8

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value24.8422.5320.0918.9617.2515.4412.1712.0211.569.94
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

avlr:AccruedPurchasePriceRelatedToAcquisitions

avlr:AccruedPurchasePriceRelatedToAcquisitions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0001918000.002984000.00000
Percentage of AccruedPurchasePriceRelatedToAcquisitions0.00.00.0100.00.0100.00.00.00.00.0

avlr:CapitalizedContractCostDeferred us-gaap:BalanceSheetLocation

avlr:CapitalizedContractCostDeferred

avlr:DeferredCommissions


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value5.5154.8974.7067.656
Percentage of CapitalizedContractCostDeferred100.0100.0100.0100.0

avlr:ContractWithCustomerLiabilitiesAdditions

avlr:ContractWithCustomerLiabilitiesAdditions


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2581000.03671000.01437000.03375000.0
Percentage of ContractWithCustomerLiabilitiesAdditions100.0100.0100.0100.0

avlr:ContractWithCustomerLiabilitiesTransferredToDeferredRevenue

avlr:ContractWithCustomerLiabilitiesTransferredToDeferredRevenue


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2716000.02538000.01137000.01257000.0
Percentage of ContractWithCustomerLiabilitiesTransferredToDeferredRevenue100.0100.0100.0100.0

avlr:DeferredOfferingCostsAccruedNotYetPaid

avlr:DeferredOfferingCostsAccruedNotYetPaid


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value000-156000.0-116000.0272000.0-198000.0-1229000.01025000.0502000.0-535000.0103000.0
Percentage of DeferredOfferingCostsAccruedNotYetPaid0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

avlr:DeferredRevenueAdditionalAmountsDeferred us-gaap:BalanceSheetLocation

avlr:DeferredRevenueAdditionalAmountsDeferred

avlr:DeferredRevenue


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1181159794
Percentage of DeferredRevenueAdditionalAmountsDeferred100.0100.0100.0100.0

avlr:DeferredRevenueRecognized us-gaap:BalanceSheetLocation

avlr:DeferredRevenueRecognized

avlr:DeferredRevenue


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1161119184
Percentage of DeferredRevenueRecognized100.0100.0100.0100.0

avlr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPayments us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

avlr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPayments

us-gaap:FairValueInputsLevel3, avlr:EarnoutRelatedToAcquisitions, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value3.757.70.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPayments100.0100.00.00.0

avlr:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityAtAcquisition us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

avlr:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityAtAcquisition

us-gaap:FairValueInputsLevel3, avlr:EarnoutRelatedToAcquisitions, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.00.00.05.952
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityAtAcquisition0.00.00.0100.0

avlr:FairValueOfCommonStock us-gaap:PlanName

avlr:FairValueOfCommonStock

avlr:TwoThousandAndEighteenEmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value85.1485.1482.1240.640.638.18
Percentage of FairValueOfCommonStock100.0100.0100.0100.0100.0100.0

avlr:FairValueOfCommonStock us-gaap:Range

srt:Maximum


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value99.6586.616.58072.6755.79042.21
Percentage of FairValueOfCommonStock117.0101.70.00.0179.0137.40.0110.6

srt:Minimum


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value66.2667.270055.139.76038.59
Percentage of FairValueOfCommonStock77.879.00.00.0135.797.90.0101.1

avlr:IncreaseDecreaseInDeferredCommissions

avlr:IncreaseDecreaseInDeferredCommissions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2.69-2.25-2.809-4.788-5.175-6.3770.00.00.00.0
Percentage of IncreaseDecreaseInDeferredCommissions100.0100.0100.0100.0100.0100.00.00.00.00.0

avlr:IncreaseDecreaseInOperatingLeaseLiabilities

avlr:IncreaseDecreaseInOperatingLeaseLiabilities


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-2565000.0-2230000.0-1372000.0-1187000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0

avlr:NetIncreaseDecreaseInCustomerFundAssets

avlr:NetIncreaseDecreaseInCustomerFundAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-5.8963.9157.52-7.8924.6547.2241.935-6.638-13.942180.2512.76
Percentage of NetIncreaseDecreaseInCustomerFundAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

avlr:NetIncreaseDecreaseInCustomerFundObligations

avlr:NetIncreaseDecreaseInCustomerFundObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-5.8963.9157.52-7.8114.6547.1431.935-6.638-13.942180.2512.76
Percentage of NetIncreaseDecreaseInCustomerFundObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

avlr:NonCashChangeInEarnoutLiability

avlr:NonCashChangeInEarnoutLiability


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value184000.0-2509000.0-1653000.0134000.0476000.0028000.032000.0-391000.0-71000.0281000.0-1831000.0
Percentage of NonCashChangeInEarnoutLiability100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

avlr:NonCashOperatingLeaseCosts

avlr:NonCashOperatingLeaseCosts


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2004000.01956000.01113000.01054000.0
Percentage of NonCashOperatingLeaseCosts100.0100.0100.0100.0

avlr:PercentageOfPayrollDeductionOnEligibleCompensation us-gaap:Range, us-gaap:PlanName

avlr:PercentageOfPayrollDeductionOnEligibleCompensation

srt:Maximum, avlr:TwoThousandAndEighteenEmployeeStockPurchasePlan


None
Period End2020-06-302020-03-31
Value00.15
Percentage of PercentageOfPayrollDeductionOnEligibleCompensation0.0100.0

srt:Minimum, avlr:TwoThousandAndEighteenEmployeeStockPurchasePlan


None
Period End2020-06-302020-03-31
Value00.01
Percentage of PercentageOfPayrollDeductionOnEligibleCompensation0.06.7

avlr:ProvisionForBadDebtsExpenseRecovery

avlr:ProvisionForBadDebtsExpenseRecovery


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value742000.0631000.0765000.0152000.0228000.0222000.094000.0-297000.0-152000.067000.0-307000.0118000.0
Percentage of ProvisionForBadDebtsExpenseRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

avlr:ShareOfCommonStockTransferredToSellerToSettleEarnoutProvision us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

avlr:ShareOfCommonStockTransferredToSellerToSettleEarnoutProvision

avlr:PortwayInternationalInc, avlr:OperatingMetricsTargetsOne


None
Period End2020-03-31
Value44659.0
Percentage of ShareOfCommonStockTransferredToSellerToSettleEarnoutProvision100.0

avlr:ShareOfCommonStockTransferredToSellerToSettleEarnoutProvision us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType

avlr:PortwayInternationalInc, avlr:OperatingMetricTargetsTwo, us-gaap:SubsequentEvent


None
Period End2020-04-30
Value35727.0
Percentage of ShareOfCommonStockTransferredToSellerToSettleEarnoutProvision0.0

avlr:ValueOfCommonStockTransferredToSellerToSettleEarnoutProvision us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

avlr:ValueOfCommonStockTransferredToSellerToSettleEarnoutProvision

avlr:PortwayInternationalInc, avlr:OperatingMetricsTargetsOne


None
Period End2020-03-31
Value3800000.0
Percentage of ValueOfCommonStockTransferredToSellerToSettleEarnoutProvision100.0

avlr:ValueOfCommonStockTransferredToSellerToSettleEarnoutProvision us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType

avlr:PortwayInternationalInc, avlr:OperatingMetricTargetsTwo, us-gaap:SubsequentEvent


None
Period End2020-04-30
Value3000000.0
Percentage of ValueOfCommonStockTransferredToSellerToSettleEarnoutProvision0.0

us-gaap:BusinessCombinationConsiderationTransferredOther1

us-gaap:BusinessCombinationConsiderationTransferredOther1


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value3750000.03750000.000
Percentage of BusinessCombinationConsiderationTransferredOther1100.0100.00.00.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value93000.0743000.0-146000.0262000.0-286000.0938000.0122000.0-2769000.0-343000.03719000.01883000.0173000.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostAmortization us-gaap:BalanceSheetLocation

us-gaap:CapitalizedContractCostAmortization

avlr:DeferredCommissions


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2825000.02647000.01706000.01279000.0
Percentage of CapitalizedContractCostAmortization100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2300000.02300000.02300000.02200000.02200000.02000000.01800000.01800000.01600000.01600000.01200000.01200000.01200000.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.13-0.2-0.2-0.16-0.18-0.140-0.36-1.24-2.47-3.85-1.8-2.81
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value163000.0-365000.0-20000.0127000.090000.0-230000.070000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome

us-gaap:FairValueInputsLevel3, avlr:EarnoutRelatedToAcquisitions, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-184000.02509000.0-476000.00
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome100.0100.0100.00.0

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value179000.0320000.0704000.0283000.057000.077000.076000.0171000.047000.096000.0116000.0136000.0
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccountsPayableTrade


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-768000.03659000.0965000.02350000.0-1122000.03590000.0-1066000.0-1105000.0-512000.0-1736000.0-917000.01867000.0
Percentage of IncreaseDecreaseInAccountsPayableTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value8.818-18.568135.7066.972-10.3739.1719.095
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.3494.128129.6556.0969.031168.8655.46611
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1259000.0384000.0434000.049000.0546000.0236000.0259000.0533000.0126000.0-110000.0-169000.0-131000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1259000.04745000.0270000.02678000.0-1109000.01705000.02162000.02544000.0-1763000.01907000.0-677000.01502000.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value168000.01442000.01786000.02202000.01282000.0767000.0180000.01068000.0269000.036000.029000.023000.015000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value3900000.03800000.02900000.02600000.0
Percentage of LeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value3663000.03108000.02273000.02110000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:OtherNoncashExpense

us-gaap:OtherNoncashExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value253000.0192000.0113000.032000.0137000.058000.033000.0285000.061000.0180000.071000.033000.0
Percentage of OtherNoncashExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value03760000.00375000.0001523000.0
Percentage of PaymentForContingentConsiderationLiabilityFinancingActivities0.0100.00.0100.00.00.0100.0

us-gaap:PaymentsOfMergerRelatedCostsFinancingActivities

us-gaap:PaymentsOfMergerRelatedCostsFinancingActivities


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value065000.000
Percentage of PaymentsOfMergerRelatedCostsFinancingActivities0.0100.00.00.0

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsOfStockIssuanceCosts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value000157000.0359000.039000.001462000.0622000.00675000.0
Percentage of PaymentsOfStockIssuanceCosts0.00.00.0100.0100.0100.00.0100.0100.00.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0001090000.0093000.039000.0109000.0201000.02016000.0543000.014000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.0130.0170.00.00.00.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.00.0100.00.0100.00.00.00.00.0

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:PaymentsToAcquireIntangibleAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0008000.00131000.00121000.04881000.00
Percentage of PaymentsToAcquireIntangibleAssets0.00.00.0100.00.0100.00.0100.0100.00.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value177.9286.4361113271.2540.2075.2540.3260.3750.031
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.05.7160.04.6290.07.6640.00.00.00.0
Percentage of ProceedsFromStockPlans0.0100.00.0100.00.0100.00.00.00.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.06.5620.4512.388
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-30
Value57832.0186480.015314.036611.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:StatementEquityComponents

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-30
Value57832.0186480.036611.0902.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.430.43000.40.400.400.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.00.00.0100.0100.00.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:PlanName

avlr:TwoThousandAndEighteenEmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.320.3200.40.40.400.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate74.474.40.00.0100.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

avlr:TwoThousandAndEighteenEmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.01540.01540.02040.02590.02590.0296
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.00510.0125000.02490.02650.00040.03060.00020
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum100.0100.00.00.0100.0100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.00330.0082-0.000900.01770.023100.029200
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum100.0100.0100.00.0100.0100.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value94363095821096.21.32.97.04.50.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum

avlr:TwoThousandEighteenEquityIncentivePlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value00.050000.0500
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum0.0100.00.00.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum us-gaap:Range, us-gaap:PlanName

srt:Minimum, avlr:TwoThousandAndEighteenEmployeeStockPurchasePlan


None
Period End2020-06-302020-03-31
Value00.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum0.020.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit

avlr:RangeFive


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value016.0600016.0600
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit0.0100.00.00.00.0100.00.00.0

avlr:RangeFour


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value012.200012.200
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit0.076.00.00.00.076.00.00.0

avlr:RangeOne


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value01.500.5400.9600
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit0.09.30.00.00.06.00.00.0

avlr:RangeSeven


None
Period End2020-06-302020-03-312019-12-312019-09-30
Value055.100
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit0.0343.10.00.0

avlr:RangeSix


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value031.9900031.99
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit0.0199.20.00.00.0199.2

avlr:RangeThree


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value08.040008.0400
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit0.050.10.00.00.050.10.00.0

avlr:RangeTwo


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value02.860002.8600
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit0.017.80.00.00.017.80.00.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit

avlr:RangeFive


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value024.000024.0-18.2118.21
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit0.0100.00.00.00.0100.0100.0100.0

avlr:RangeFour


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value015.0600015.0600
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit0.062.80.00.00.062.8-0.00.0

avlr:RangeOne


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value01.90001.900
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit0.07.90.00.00.07.9-0.00.0

avlr:RangeSeven


None
Period End2020-06-302020-03-312019-12-312019-09-30
Value13.0486.616.580
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit0.0360.90.00.0

avlr:RangeSix


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value042.2100-13.5855.79
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit0.0175.90.00.00.0232.5

avlr:RangeThree


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value011.7200011.7200
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit0.048.80.00.00.048.8-0.00.0

avlr:RangeTwo


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value06.40006.400
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit0.026.70.00.00.026.7-0.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.0728.990.8701.017.930.050.930.937.160.05-0.01
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:PlanName

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

avlr:EmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-09-302019-06-30
Value081894.0134130.00
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans0.0100.0100.00.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementEquityComponents

us-gaap:CommonStock


None
Period End2020-03-312019-09-302019-03-31
Value81894.0134130.0372760.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.0100.00.0

us-gaap:StockIssuedDuringPeriodSharesPurchaseOfAssets us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesPurchaseOfAssets

us-gaap:CommonStock


None
Period End2020-03-312019-09-302019-06-302019-03-31
Value0.0011910.0006760.0377080.001634
Percentage of StockIssuedDuringPeriodSharesPurchaseOfAssets100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1117800.0532850.0505980.01286400.01368500.02763300.0242250.040765.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1117800.0532850.01286400.01368500.02763300.0242250.040003.0305720.0785990.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.098.10.00.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


None
Period End2020-03-312019-09-302019-03-31
Value5.7164.6297.664
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-03-312019-09-302019-03-31
Value5.7164.6297.664
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValuePurchaseOfAssets

us-gaap:StockIssuedDuringPeriodValuePurchaseOfAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value087000.0048000.0050000.0002555000.00
Percentage of StockIssuedDuringPeriodValuePurchaseOfAssets0.0100.00.0100.00.0100.00.00.0100.00.0

us-gaap:StockIssuedDuringPeriodValuePurchaseOfAssets us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-03-312019-09-302019-03-312018-12-312018-09-302018-06-30
Value87000.048000.050000.0002555000.0
Percentage of StockIssuedDuringPeriodValuePurchaseOfAssets100.0100.0100.00.00.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value177.9281113271.2620.4392.7526.025
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value177.9281113271.2620.4392.7526.025
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0

avlr:AccruedEmployeeStockPurchasePlanContributionsCurrent

avlr:AccruedEmployeeStockPurchasePlanContributionsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4913000.02582000.04716000.01908000.03991000.01990000.06473000.00
Percentage of AccruedEmployeeStockPurchasePlanContributionsCurrent100.0100.0100.0100.0100.0100.0100.00.0

avlr:AccruedPartnerCommissionsCurrent

avlr:AccruedPartnerCommissionsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6996000.07321000.07043000.06540000.06438000.06105000.05535000.0
Percentage of AccruedPartnerCommissionsCurrent100.0100.0100.0100.0100.0100.0100.0

avlr:BusinessCombinationAccruedLiabilitiesPurchasePriceRelatedToAcquisitionsCurrent

avlr:BusinessCombinationAccruedLiabilitiesPurchasePriceRelatedToAcquisitionsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3368000.03341000.02763000.02984000.01584000.01584000.00
Percentage of BusinessCombinationAccruedLiabilitiesPurchasePriceRelatedToAcquisitionsCurrent100.0100.0100.0100.0100.0100.00.0

avlr:ContractLiabilitiesCurrent

avlr:ContractLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6195000.06330000.05197000.04843000.04508000.04208000.00
Percentage of ContractLiabilitiesCurrent100.0100.0100.0100.0100.0100.00.0

avlr:CurrentAssetsBeforeCustomerFundAssets

avlr:CurrentAssetsBeforeCustomerFundAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value56253254251750321119318320847
Percentage of CurrentAssetsBeforeCustomerFundAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

avlr:CurrentLiabilitiesBeforeCustomerFundObligations

avlr:CurrentLiabilitiesBeforeCustomerFundObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value242238246214195182172
Percentage of CurrentLiabilitiesBeforeCustomerFundObligations100.0100.0100.0100.0100.0100.0100.0

avlr:CustomerFundObligations

avlr:CustomerFundObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value22282417252013
Percentage of CustomerFundObligations100.0100.0100.0100.0100.0100.0100.0

avlr:ReceivablesFromCustomersAllowanceForDoubtfulAccounts

avlr:ReceivablesFromCustomersAllowanceForDoubtfulAccounts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value791000.0305000.0270000.0293000.0347000.0283000.0198000.0327000.0591000.0666000.0
Percentage of ReceivablesFromCustomersAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsAndOtherReceivablesNetCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value779000.0588000.0420000.0690000.0915000.01238000.0270000.0330000.0157000.0313000.0
Percentage of AccountsAndOtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedBonusesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7.5543.11720139.2123.252106.28
Percentage of AccruedBonusesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AccruedInvestmentIncomeReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value24000.0347000.0565000.0687000.0689000.0260000.0
Percentage of AccruedInvestmentIncomeReceivable100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalesCommissionCurrent

us-gaap:AccruedSalesCommissionCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3875000.02423000.05397000.03599000.03441000.03504000.06889000.02904000.0
Percentage of AccruedSalesCommissionCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3859000.02233000.01179000.0632000.0565000.0539000.0521000.0500000.0531000.0905000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:AssetsFairValueDisclosure

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


None
Period End2020-06-302020-03-312019-12-312018-12-312017-12-31
Value46644345813810
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value46644345844043314013813416610
Percentage of AssetsFairValueDisclosure100.0100.0100.00.00.00.0100.00.00.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value0.00.015155.9525.9520.00.00.00.00.00.663
Percentage of BusinessCombinationContingentConsiderationLiability0.00.0100.0100.0100.0100.00.00.00.00.00.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value142000.03671000.04120000.06102000.06485000.05980000.0116000.03000000.02969000.03061000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

avlr:PortwayInternationalInc, avlr:RevenueTargets


None
Period End2020-06-30
Value0
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent0.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-31
Value009835000.09399000.00
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent0.00.0100.0100.00.0

us-gaap:CapitalizedContractCostNet us-gaap:BalanceSheetLocation

us-gaap:CapitalizedContractCostNet

avlr:DeferredCommissions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4340383530250.0
Percentage of CapitalizedContractCostNet100.0100.0100.0100.0100.0100.00.0

us-gaap:CapitalizedContractCostNetCurrent

us-gaap:CapitalizedContractCostNetCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value109.6769.2798.4027.3656.0620.0
Percentage of CapitalizedContractCostNetCurrent100.0100.0100.0100.0100.0100.00.0

us-gaap:CapitalizedContractCostNetCurrent us-gaap:BalanceSheetLocation

us-gaap:PrepaidExpensesAndOtherCurrentAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value109.79.38.47.46.1
Percentage of CapitalizedContractCostNetCurrent100.1100.2100.2100.0100.5100.6

us-gaap:CapitalizedContractCostNetNoncurrent

us-gaap:CapitalizedContractCostNetNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3330292723190.0
Percentage of CapitalizedContractCostNetNoncurrent100.0100.0100.0100.0100.0100.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value4744504664464411461421381420
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:PlanName

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

avlr:EmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.8512681.8500811.1574981.1574981.291631
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerLiability

avlr:DeferredRevenue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value167165161148138132134
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1512000.0670000.0970000.0753000.0814000.0981000.09393000.0
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption

us-gaap:AccountingStandardsUpdate201409


None
Period End2020-06-302020-03-312019-06-302019-03-312019-01-01
Value0.00.02.092.092.09
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.00.0100.0100.0100.0

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:BalanceSheetLocation

us-gaap:AccountingStandardsUpdate201409, avlr:DeferredCommissions


None
Period End2020-06-302020-03-312019-06-302019-03-312019-01-01
Value0.00.0191919
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.00.0921.9921.9921.9

us-gaap:AccountingStandardsUpdate201409, avlr:DeferredRevenue


None
Period End2020-06-302020-03-312019-06-302019-03-312019-01-01
Value0.00.0-11.25-11.25-11.25
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.00.0-538.3-538.3-538.3

us-gaap:DepositsAssetsCurrent

us-gaap:DepositsAssetsCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value427000.0229000.0197000.0298000.0154000.0115000.0325000.0132000.0160000.0244000.0
Percentage of DepositsAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6.2946.7483.9854.1843.615.3593.8171113
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2831303337372731
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:PlanName

avlr:TwoThousandAndEighteenEmployeeStockPurchasePlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.31.30.31.10.21.10.31.3
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions1.04.11.03.30.52.91.14.2

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FairValueInputsLevel3, avlr:EarnoutRelatedToAcquisitions, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0333.59913156.4285.9520.00.38
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value38363533312927262421
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value12111110109.6949.2028.7418.2767.347
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization32.732.632.532.532.532.732.933.133.433.4

us-gaap:DevelopedTechnologyRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value24232221201817161513
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization64.664.664.564.464.364.063.763.362.862.7

us-gaap:NoncompeteAgreements


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.6260.6140.6120.5950.5690.5540.5420.5350.5260.446
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.61.71.71.81.81.91.92.02.12.0

us-gaap:TrademarksAndTradeNames


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.4290.4280.4350.4310.4270.4230.420.420.420.404
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.11.21.21.31.41.41.51.61.71.8

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value57575857565647474741
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value20202020181815151515
Percentage of FiniteLivedIntangibleAssetsGross35.235.235.135.233.233.332.632.732.737.2

us-gaap:DevelopedTechnologyRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value36363636363630303024
Percentage of FiniteLivedIntangibleAssetsGross62.762.762.862.764.864.765.365.265.260.4

us-gaap:NoncompeteAgreements


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.7590.7620.7770.7770.6710.6690.5740.5690.5740.586
Percentage of FiniteLivedIntangibleAssetsGross1.31.31.31.31.21.21.21.21.21.4

us-gaap:TrademarksAndTradeNames


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.4390.4410.4520.4520.4520.4520.420.420.420.419
Percentage of FiniteLivedIntangibleAssetsGross0.80.80.80.80.80.80.90.90.91.0

us-gaap:FundsHeldForClients

us-gaap:FundsHeldForClients


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value21282416241913111713
Percentage of FundsHeldForClients100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel3, avlr:EarnoutRelatedToBusinessCombinations, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value0.0333.599130.0
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.00.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

avlr:EarnoutRelatedToBusinessCombinations, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value0.0333.599130.0
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.00.0

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4496000.03237000.02853000.02420000.02370000.01824000.01589000.01330000.0796000.0780000.0
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value151611119.732119.5787.8955.525.077
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value403935333332
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0

us-gaap:SelfInsuranceReserveCurrent

us-gaap:SelfInsuranceReserveCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-31
Value2223000.02240000.02238000.01361000.00
Percentage of SelfInsuranceReserveCurrent100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2233000.02211200.01508300.01384200.01347600.01018300.074424.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value62.0359.6451.5248.4147.1441.9832.69
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2257700.02997300.02944800.03055600.03889600.04744300.06735100.06597300.06223500.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

avlr:RangeFive


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value435300.0555420.0560630.0516730.0500620.0471590.0163780.090294.012588.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber19.318.519.016.912.99.92.41.40.2

avlr:RangeFour


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1138200.01517600.01587900.01611300.01741000.02000700.02926400.02684800.02389800.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber50.450.653.952.744.842.243.440.738.4

avlr:RangeOne


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value27763.029963.032913.073538.0324670.0706970.0998480.01112200.01113200.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber1.21.01.12.48.314.914.816.917.9

avlr:RangeSeven


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-30
Value66437.048344.012492.014285.06242.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber2.91.60.40.50.2

avlr:RangeSix


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value200120.0235510.042839.039056.07332.03124.0833.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber8.97.91.51.30.20.10.0

avlr:RangeThree


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value300860.0457710.0498870.0556150.0592040.0702500.01472000.01500500.01495500.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber13.315.316.918.215.214.821.922.724.0

avlr:RangeTwo


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value89062.0152780.0209130.0244570.0717670.0859450.01173600.01209500.01212400.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber3.95.17.18.018.518.117.418.319.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value47428531230942536421026047371
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.3797345.4838915.8847426.4097777.7395479.030579111111
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

avlr:RangeFive


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.3072341.5810781.7720621.8890422.0590032.3253452.558592.758352.614811
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions29.828.830.129.526.625.723.124.323.1

avlr:RangeFour


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.3946021.9334212.2274212.5299482.9142963.4448124.696464.767484.839058
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions31.835.337.939.537.738.142.341.942.8

avlr:RangeOne


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0277630.0299630.0329130.0735380.324670.7069710.9984781.1121821.113182
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions0.60.50.61.14.27.89.09.89.8

avlr:RangeSeven


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.523980.5025840.2973410.2264150.226415
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions12.09.25.13.52.9

avlr:RangeSix


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.736230.8263510.847010.8901070.9054510.9915020.1906
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions16.815.114.413.911.711.01.7

avlr:RangeThree


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.3008630.4577140.4988690.5561540.5920390.7024991.4763711.5195711.534228
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions6.98.38.58.77.67.813.313.413.6

avlr:RangeTwo


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0890620.152780.2091260.2445730.7176730.859451.1735711.2095211.21244
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions2.02.83.63.89.39.510.610.610.7

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService, us-gaap:StatementGeographical
(None, 'country:US')
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
None
us-gaap:CostOfRevenue
us-gaap:ProductOrService
(None,)
None
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
None
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None