EVBG


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

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

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfRevenue
us-gaap:DebtInstrument
us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense
us-gaap:DebtInstrument
us-gaap:InterestExpenseDebt

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense

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

us-gaap:Revenues

us-gaap:SellingAndMarketingExpense

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:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:IncomeStatementLocation

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:DebtInstrument

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap: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:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:DebtInstrument
evbg:AdjustmentsToAdditionalPaidInCapitalPurchaseOfConvertibleNoteCappedCallHedge
us-gaap:DebtInstrument, us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
evbg:AdjustmentsToAdditionalPaidInCapitalTerminationAndModificationOfCappedCallHedgeForConvertibleNotes
us-gaap:DebtInstrument, us-gaap:StatementEquityComponents

evbg:AllowanceForDoubtfulAccountsReceivableWriteOffsAndRecoveries
us-gaap:DebtInstrument
evbg:AmendedReduceCappedCallOptionsCapPrice
us-gaap:BusinessAcquisition
evbg:BusinessCombinationConsiderationDeferredConsiderationExpectedToPay
us-gaap:BusinessAcquisition
evbg:BusinessCombinationConsiderationTransferredAcquisitionRelatedDeferredCommonStockConsideration
us-gaap:DebtInstrument
evbg:CappedCallOptionsCapPrice
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
evbg:CashPaymentDuringPeriodContingentConsideration

evbg:ContractWithCustomerAssetAllowanceForCreditLossRecoveryProvision
us-gaap:DebtInstrument
evbg:CostOfPurchasedCappedCallOptions
us-gaap:DebtInstrument
evbg:DebtInstrumentConvertibleTaxPortionOfEquityComponent
us-gaap:DebtInstrument
evbg:DebtInstrumentModificationExpenseRecognized

evbg:DeferredIncomeTaxExpenseBenefitExcludingBusinessAcquisitionDeferredTaxes
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
evbg:DerivativeLiabilitiesAndChangesInFairValue
us-gaap:IncomeTaxAuthority
evbg:DiscreteTaxExpenseBenefit
us-gaap:BusinessAcquisition
evbg:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdjustments

evbg:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation

evbg:GainsLossesOnExtinguishmentOfConvertibleNotesAndCappedCallModification
us-gaap:BusinessAcquisition
evbg:IncreaseDecreaseInDeferredRevenueAndGoodwill

evbg:NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssuedValue

evbg:OtherSignificantNoncashTransactions
us-gaap:DebtInstrument
evbg:PartiallyTerminatedCappedCallOptions

evbg:PaymentsToAcquireProductiveAssetsExcludingDevelopSoftwareAndAcquireIntangibleAssets
us-gaap:DebtInstrument
evbg:ProceedsFromCappedCallOptions

evbg:ProvisionForCreditLossesAndSalesReserve

evbg:SalesReserveAdditions

evbg:SalesReserveReductions

evbg:SalesReserveWriteOff

evbg:StockIssuedDuringPeriodValueContingentConsideration
us-gaap:StatementEquityComponents

evbg:StockIssuedDuringPeriodValueSettlementOfConvertibleNotes
us-gaap:StatementEquityComponents

evbg:StockIssuedDuringPeriodValueVestingOfRestrictedStockUnitsAndPerformanceBasedRestrictedStockUnits
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
evbg:TransactionCostsInEquity

us-gaap:AccretionExpense

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
us-gaap:AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature
us-gaap:DebtInstrument
us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
us-gaap:DebtInstrument, us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AmortizationOfDeferredSalesCommissions
us-gaap:DebtInstrument
us-gaap:AmortizationOfFinancingCostsAndDiscounts
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
us-gaap:Range, us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
us-gaap:Range, us-gaap:BusinessAcquisition
us-gaap:Range, us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalizedComputerSoftwareAdditions

us-gaap:CapitalizedComputerSoftwareAmortization1

us-gaap:CapitalizedContractCostAmortization

us-gaap:ContractWithCustomerAssetAllowanceForCreditLossWriteoff

us-gaap:ContractWithCustomerAssetCreditLossExpense
us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtConversionConvertedInstrumentAmount1
us-gaap:DebtInstrument
us-gaap:DebtConversionConvertedInstrumentSharesIssued1
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleStockPriceTrigger
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateDuringPeriod

us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction

us-gaap:DepreciationAndAmortization

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
us-gaap:BusinessAcquisition
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
us-gaap:BusinessAcquisition
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInDeferredCharges

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidExpense
us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InvestmentIncomeInterest

us-gaap:LeaseCost

us-gaap:NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForHedgeFinancingActivities

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToDevelopSoftware

us-gaap:ProceedsFromHedgeFinancingActivities

us-gaap:ProceedsFromNotesPayable

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockPlans

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:RepaymentsOfConvertibleDebt
us-gaap:DebtInstrument
us-gaap:RepaymentsOfDebt

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue

us-gaap:ShortTermLeaseCost

us-gaap:StockIssued1

us-gaap:StockIssuedDuringPeriodValueAcquisitions
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
us-gaap:DebtInstrument, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

evbg:AccountsReceivableAmortizedCost
us-gaap:BusinessAcquisition
evbg:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseNextTwelveMonths

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseRemainderOfFiscalYear

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearOne

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearThree

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearTwo
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
evbg:ContingentConsiderationFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

evbg:DeferredCostsAndOtherAssetsNonCurrent

evbg:DeferredCostsAndOtherCurrentAssets

evbg:DeferredTaxAssetsLeaseLiability

evbg:DeferredTaxLiabilitiesDebtDiscount

evbg:DeferredTaxLiabilitiesRightOfUseAsset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
evbg:DerivativeInstrumentsAcquisitionRelatedDeferredCommonStockConsiderationFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

evbg:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour

evbg:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

evbg:LongTermDebtMaturingInYearsOneAndTwo

evbg:LongTermDebtMaturingInYearsThreeAndFour

evbg:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour
us-gaap:IncomeTaxAuthority
evbg:OperatingLossCarryForwardsNotSubjectToExpiration
us-gaap:DebtInstrument
evbg:PrincipalAmountPerNoteUsedInConversionRate

evbg:SalesReserve

evbg:UnrecognizedTaxBenefitsExcludingInterestAndPenalties

evbg:UnrecognizedTaxProvision

evbg:UnrecognizedTaxProvisionThatWouldImpactEffectiveTaxRate

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:CapitalizedComputerSoftwareGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:CapitalizedComputerSoftwareNet
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:CapitalizedContractCostNetCurrent

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss

us-gaap:ContractWithCustomerAssetAccumulatedAllowanceForCreditLossCurrent

us-gaap:ContractWithCustomerAssetGrossCurrent

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:DebtInstrument
us-gaap:ConvertibleDebtFairValueDisclosures

us-gaap:ConvertibleDebtNoncurrent
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:ConvertibleNotesPayable
us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:SubsidiarySaleOfStock
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:Range, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrumentRepurchasedFaceAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesDeferredExpense

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturingInYearsFourAndFive
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturingInYearsTwoAndThree
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis
us-gaap:NotesPayableFairValueDisclosure

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseNoncurrent

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedCashNoncurrent
us-gaap:ProductOrService
us-gaap:RevenueRemainingPerformanceObligation

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased
us-gaap:BusinessAcquisition
us-gaap:SharePrice
us-gaap:DebtInstrument
us-gaap:Range, us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Property Plant And Equipment Net
Current Assets
Accounts Receivable Net Current
NonCurrent Assets
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
us-gaap:CommonStockValue ██▆▆▅▅▅▅▅▅▃▂▂▂▂▂▂▁▁▁0.0380.0380.0350.0350.0340.0340.0340.0340.0330.0330.030.0290.0290.0290.0280.0280.0280.0270.0270.027NANA0.011NA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁38.01410736.386819NA34.73857234.40270434.075071NA33.52477133.01586132.271067NA29.46015628.84880928.434678NA28.10017227.87734627.170827NA14.77200612.30095112.273023NA12.25524
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁38.01410736.386819NA34.73857234.40270434.075071NA33.52477133.01586132.271067NA29.46015628.84880928.434678NA28.10017227.87734627.170827NA14.77200612.30095112.273023NA12.25524
us-gaap:EarningsPerShareBasic ▁▃▃▃▄▂▅▅▅▅▆▆▃▅▇▇▇▆█▇▆▆▆▆-0.89-0.6-0.7000000000000002-0.7-0.56-0.74-0.3900000000000001-0.39-0.37-0.44-0.32999999999999985-0.29-0.59-0.43-0.19999999999999996-0.15-0.12-0.23-0.020000000000000018-0.18-0.23-0.26-0.31999999999999995-0.3
us-gaap:EarningsPerShareDiluted ▁▃▃▃▄▂▅▅▅▅▆▆▃▅▇▇▇▆█▇▆▆▆▆-0.89-0.6-0.7000000000000002-0.7-0.56-0.74-0.3900000000000001-0.39-0.37-0.44-0.32999999999999985-0.29-0.59-0.43-0.19999999999999996-0.15-0.12-0.23-0.020000000000000018-0.18-0.23-0.26-0.31999999999999995-0.3
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  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
us-gaap:AllocatedShareBasedCompensationExpense █▇▆▇▆▆▅▅▅▄▃▂▅▄▃▂▁▁▁▁▁▁▁▁15.50512.68511.81613.35111.27810.319.3958.3018.2827.7855.5683.54110.0226.6944.4272.8031.1010.9680.9360.7590.7350.6710.6220.542
us-gaap:ComprehensiveIncomeNetOfTax ▁▃▅▄▅▁▆▅▆▅▆▇▄▆▇██▇-32.59-24.386-15.307-20.75-16.877-31.905-12.055-14.97-11.792-14.112-12.523-8.369-19.302-12.609-5.564-4.034-3.352-6.161NA-2.563-2.911-3.484NA-3.559
us-gaap:CostOfRevenue █▇▆▆▅▆▅▅▄▄▄▃▃▂▂▂▂▂▁▁▁▁▁▁27.66525.2821.83120.88519.42320.88918.36116.45414.73913.98113.32212.29611.5329.668.5348.0767.2397.6546.4436.1735.6765.4755.5795.165
us-gaap:GeneralAndAdministrativeExpense █▇▇▆▅▅▄▄▃▃▃▂▃▃▂▂▂▂▁▁▁▁▁▁24.66422.56222.00919.76616.79915.91112.36313.43510.46410.5587.8537.138.6357.8446.2556.3755.0655.24.0413.6663.1283.4583.8313.863
us-gaap:GrossProfit ██▇▇▆▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁58.98456.9353.77750.37145.95438.01138.7536.09333.66628.83828.50626.62924.2920.85920.64119.23617.78215.1914.83713.75912.88911.59410.64110.022
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▃▄▄▄▃▆▆▆▆▇▇▅▆▇██▇██████-37.608-27.602-24.921-23.932-20.724-26.086-13.238-12.822-11.925-13.84-9.38-8.364-16.729-12.246-5.652-4.31-3.45-6.175-2.577-2.594-2.759-3.38-4.187-3.807
us-gaap:IncomeTaxExpenseBenefit ▃▁▇█▆▇▇████████▇█████▇▇▇-3.787-5.813-0.3350.273-1.504-0.701-0.1060.0990.1380.2940.4250.0860.1890.0960.112-0.079-0.0130.0270.0510.0350.045-0.155-0.188-0.186
us-gaap:IncomeTaxesPaidNet ▃█▁▁0.2610.6740.1290.101NANANANANANA0.070.0020.0390.0020.0030.0220.006-0.003NANANANANANA
us-gaap:InterestExpense █▆▅▅▅▅▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁9.6556.566.1076.0625.9985.9222.4921.6971.6541.6351.611.5921.5721.5720.6860.0020.0020.0010.00.1950.1740.1370.1330.16
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo▁▄▇▇▇▇████0.010.7241.3841.3991.3921.3751.6321.6721.6561.633NANANANANANANANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySixNA1.056NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour█▇▅▄▂▁4.8424.784.7234.6624.6064.547NANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▃▃█▁▇▂█▁0.2920.3180.9640.00.790.1840.9030.0NANA0.8630.0NANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▁▄▃▃▄▃▆▆▆▅▆▇▅▆▇██▇██████-33.821-21.789-24.586-24.205-19.22-25.385-13.132-12.921-12.063-14.134-9.805-8.45-16.918-12.342-5.764-4.231-3.437-6.202-2.628-2.629-2.804-3.225-3.999-3.621
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-33.821-21.789NA-24.205-19.22-25.385NA-12.921-12.063-14.134-9.805-8.45-16.918-12.342-5.764-4.231-3.437-6.202-2.628NANANANANA
us-gaap:NonoperatingIncomeExpense ▁▂▃▄▄▅▆▇██▇▇▇▇██████████-10.194-9.364-6.628-6.194-6.201-4.426-3.023-0.7-0.31-0.564-0.971-1.165-1.178-1.314-0.470.0810.0690.0180.02-0.165-0.208-0.131-0.143-0.18
us-gaap:OperatingExpenses █▇▇▆▆▅▄▄▄▄▃▃▄▃▂▂▂▂▁▁▁▁▁▁86.39875.16872.0768.10960.47759.67148.96548.21545.28142.11436.91533.82839.84131.79125.82323.62721.30121.38317.43416.18815.4414.84314.68513.649
us-gaap:OperatingIncomeLoss ▁▄▄▄▅▃▆▅▅▅▆▇▄▆▇▇█▇██████-27.414-18.238-18.293-17.738-14.523-21.66-10.215-12.122-11.615-13.276-8.409-7.199-15.551-10.932-5.182-4.391-3.519-6.193-2.597-2.429-2.551-3.249-4.044-3.627
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▄▃█▅▅▁▄▃▄▄▃▄▃▄▄▄▄▄▄▄▄▄▄▄1.231-2.5979.2793.4552.343-6.521.077-2.0490.2710.022-2.7180.081-2.384-0.2670.20.1970.0850.0410.010.066-0.107-0.2590.0280.062
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▁1.231-2.597NA3.4552.343-6.52NA-2.0490.2710.022-2.7180.081-2.384-0.2670.20.1970.0850.0410.01NANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁▆▅▅▃▆▆▇▇▆█▇▇▅▇▇▇▇▇▇▇▇▇▇-0.602-0.049-0.167-0.239-0.438-0.077-0.083-0.0350.012-0.1060.113-0.033-0.006-0.198-0.025-0.023-0.006-0.032-0.0140.03-0.0340.006-0.01-0.02
us-gaap:ProfitLoss ▁▄▃▃▄▃▆▆▆▆▇▇▅▆██-33.821-21.789-24.586-24.205-19.22-25.385-13.132-12.921-12.063-14.134-9.805-8.45-16.918-12.342-5.764-4.231NANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense █▇▆▇▆▆▅▅▅▄▄▄▅▃▂▂▂▂▁▁▁▁▁▁20.25118.07916.45516.94814.93714.17212.8612.87712.80211.48510.75710.3512.0278.1716.1595.6265.1795.2774.2053.9173.4633.183.0273.025
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ██▇▆▆▅▅▅▄▄▄▃▃▃▂▂▂▂▂▁▁▁▁▁86.64982.2175.60871.25665.37758.957.11152.54748.40542.81941.82838.92535.82230.51929.17527.31225.02122.84421.2819.93218.56517.06916.2215.187
us-gaap:Revenues ██▇▆▆▅▅▅▄▄▄▃▃▃▂▂▂▂▂▁▁▁▁▁86.64982.2175.60871.25665.37758.957.11152.54748.40542.81941.82838.92535.82230.51929.17527.31225.02122.84421.2819.93218.56517.06916.2215.187
us-gaap:SellingAndMarketingExpense █▇▆▆▅▆▄▄▄▄▃▃▄▃▂▂▂▂▁▁▁▁▁▁41.48334.52733.60631.39528.74129.58823.74221.90322.01520.07118.30516.34819.17915.77613.40911.62611.05710.9069.1888.6058.8498.2057.8276.761
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us-gaap:Assets ██▆▆▅▅▅▃▃▃▂▂▂▂▂▁▁▁▁▁1375.0241288.203960.944930.553886.496887.079837.296479.708424.579426.623262.18254.588251.445246.846236.413130.119127.058113.959108.322106.791NANA53.509NA
us-gaap:Liabilities ██▆▆▆▆▅▃▂▂▂▂▂▂▂▁▁▁▁▁969.695931.623708.639684.576652.35653.571616.984268.61239.039242.193220.022206.865198.608186.348180.42282.94580.31175.93465.9762.76NANA69.56NA
us-gaap:LiabilitiesAndStockholdersEquity ██▆▆▅▅▅▃▃▃▂▂▂▂▂▁▁▁▁▁1375.0241288.203960.944930.553886.496887.079837.296479.708424.579426.623262.18254.588251.445246.846236.413130.119127.058113.959108.322106.791NANA53.509NA
us-gaap:StockholdersEquity █▇▅▅▅▅▄▄▄▄▁▁▁▁▁▁▁▁▁▁405.329356.58252.305245.977234.146233.508220.312211.098185.54184.4342.15847.72352.83760.49855.99147.17446.74738.02542.35244.031NANA-16.051NA
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us-gaap:AssetsCurrent ▆█▆▆▆▆▆▃▃▃▂▂▂▂▂▁▁▁▁▁682.349859.712598.452586.937584.617602.32625.13268.487299.084312.436162.515154.804152.312186.856183.46176.57173.27260.482.88384.076NANA29.62NA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆█▅▅▆▆▆▃▃▃▂▂▂▂▂▁▁▁▂▂▁▁▁▁559.851734.752467.171468.908483.152498.387531.575194.742235.13235.25659.97876.271102.599103.633102.75423.62832.83339.67960.76562.2961.0485.0958.5784.68
us-gaap:AccountsReceivableNetCurrent ▇▇█▇▆▆▆▄▃▃▃▃▃▂▂▂▂▁▁▁83.18384.8194.37680.92767.77370.7668.64251.82442.435.41641.10737.03333.06422.39331.69922.27321.87614.98817.81215.995NANA15.699NA
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us-gaap:PropertyPlantAndEquipmentGross █▇▆▅▇▆▅▅▅▄▃▂▂▁▁▁▂▂▁▁18.6116.73715.16613.85716.4115.62214.21513.36812.83712.35310.4998.3197.9637.287.2566.8888.648.0277.5037.282NANA10.661NA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▆▄█▇▆▅▅▄▃▃▃▂▂▁▃▃▂▁9.0438.2367.3926.6039.1968.5157.9317.3396.8036.3765.8495.4015.2414.7994.464.0445.7165.344.584.154NANA7.041NA
us-gaap:AmortizationOfIntangibleAssets █▆▅▅▄▄▄▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁10.07.95.95.44.84.14.03.11.61.61.41.91.80.80.90.90.90.70.30.30.30.30.30.4
us-gaap:PropertyPlantAndEquipmentNet █▇▆▆▆▆▅▅▅▄▃▁▁▁▁▁▁▁▁▂9.5678.5017.7747.2547.2147.1076.2846.0296.0345.9774.652.9182.7222.4812.7962.8442.9242.6872.9233.128NANA3.62NA
us-gaap:Goodwill █▅▄▄▄▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁405.223234.779187.411183.548156.114141.72791.42190.70651.46648.39548.38253.13253.04831.07731.32831.34331.05230.9329.6767.839NANA7.839NA
us-gaap:FiniteLivedIntangibleAssetsNet █▅▅▄▄▄▃▃▂▂▂▂▂▁▁▁▁▁▁▁216.723130.874113.76298.92386.78583.86967.170.62425.24221.57723.19722.023.8427.9528.6349.49910.28811.0233.942.738NANA4.119NA
us-gaap:OperatingLeaseRightOfUseAsset █▂▃▅▅▅▁▂▃▂18.714.17915.04515.9416.08916.45713.07113.82414.6613.943NANANANANANANANANANANANANANA
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us-gaap:AccountsPayableCurrent █▆▇▇▇▅▅▆▃▄▁▂▂▁▁▂▂▁▁▁10.9648.8299.69810.23210.2796.9717.8088.8325.1265.9272.7194.1414.1543.0292.4463.2233.1752.632.4342.967NANA3.521NA
us-gaap:AccruedLiabilitiesCurrent ▇█▅▄▄▅▃▄▃▃▄▂▃▂▁▁▁▁▁▁10.23512.0477.2466.1885.6497.6484.4965.4814.8924.55.5653.094.2773.2091.8252.0032.5022.4381.9572.348NANA1.46NA
us-gaap:ContractWithCustomerLiabilityCurrent █▇▆▅▄▅▄▃▂▂▂▁▁196.481178.822165.389144.341134.409141.858129.995112.05895.04695.32592.73882.26379.417NA70.09NANANANANANANANANA
us-gaap:LiabilitiesCurrent █▇▇▆▅▅▄▄▃▃▃▂▂▂▂▂▂▁▁▁277.691259.333236.228207.263185.531192.558169.366152.527124.751129.261120.047105.699101.80692.2786.96280.36377.6673.99763.78361.044NANA53.619NA
us-gaap:OperatingLeaseLiabilityCurrent █▃▃▄▃▂▁5.7154.2444.2594.3544.1723.8583.567NANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▇██▆▄▄▃▄▃▃▁▁▁▁▁▁▁▁▁▁14.37614.69815.60210.3667.3886.6674.8196.4825.4434.8291.491.2420.7911.3310.8080.6140.4890.6130.5480.553NANA0.569NA
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us-gaap:LongTermDebt 825.303NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ██▆▆▃▃▂▁▁▁▁14.02213.60810.06510.3434.725.4722.0021.1971.1051.0571.032NANANA0.482NANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent █▇▇▇▇▇▆▆▆▆▂▁▁▁▁▁▁▁▁▁17.9414.8816.09416.26616.52216.1511.86312.75113.66913.4991.9480.9891.0790.4650.5150.5330.5540.0540.4470.106NANA0.166NA
us-gaap:OperatingLeaseLiabilityNoncurrent █▃▅▆▇█▁16.36313.40614.40315.20915.52816.10911.823NANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▁▂▁6.0295.0975.2685.129NANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▃▁██3.3412.6315.1055.01NANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▄▁██1.6470.932.6352.563NANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA0.929NANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA2.769NANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
us-gaap:StockholdersEquity █▇▅▅▅▅▄▄▄▄▁▁▁▁▁▁▁▁▁▁405.329356.58252.305245.977234.146233.508220.312211.098185.54184.4342.15847.72352.83760.49855.99147.17446.74738.02542.35244.031NANA-16.051NA
us-gaap:CommonStockValue ██▆▆▅▅▅▅▅▅▃▂▂▂▂▂▂▁▁▁0.0380.0380.0350.0350.0340.0340.0340.0340.0330.0330.030.0290.0290.0290.0280.0280.0280.0270.0270.027NANA0.011NA
us-gaap:AdditionalPaidInCapitalCommonStock █▇▅▅▅▄▄▄▃▃▁752.773671.434542.776521.141488.561471.046425.945404.676364.149351.247194.866NANANA164.995NANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▃▄▄▅▅▆▆▆▇▇▇▇█████-348.926-315.105-293.316-268.73-244.525-225.305-199.92-186.788-173.867-161.804-147.67-137.865-129.415-112.497-109.252-103.488-99.257-95.82-89.618-86.99NANA-78.332NA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▇▇█▄▂▁▄▄▄▄▄▆▆▇▇▇▇▇▇▇1.4440.2132.81-6.469-9.924-12.267-5.747-6.824-4.775-5.046-5.068-2.35-2.431-0.0470.220.02-0.177-0.262-0.303-0.313NANA-0.013NA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁15.63512.77NA13.44211.37210.368NA8.3838.2827.8495.5683.54110.0226.6944.4272.8031.1010.9680.936NANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃██▄▃▄▄▆▁▆▅▄▂▅▄▅-5.13719.80819.399-0.527-3.870.8011.46312.343-12.1768.6874.0710.676-8.967.5080.4846.738NANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆▇▇▇▆▇▅██▇▆█▇▇▇-169.168-36.708-21.01-14.062-12.644-37.469-2.804-50.61510.86117.984-21.155-26.4947.364-8.128-20.653-13.209NANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▇▁▁▁▁█▁▁▄▁▁▁▁▃▁-1.503284.792-0.6990.5161.0694.168341.911-0.6934.245148.6381.076-0.4061.1881.24199.066-2.275NANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▇▃▃▃▃█▃▃▆▃▃▃▃▄▃▃▃-174.905267.577-1.603-14.065-15.198-33.166340.547-39.142.906175.281-16.226-26.305-1.0340.58279.126-8.908-6.846-21.086NANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
us-gaap:DepreciationDepletionAndAmortization █▇▅▅▄▄▄▃▂▂▂▂▂▂▂▁▁▂▁▁▁▁▁13.01110.8438.6438.147.326.6566.4795.4923.9953.7053.5213.8443.692.6382.5612.4182.2952.9332.0671.9741.9081.7931.732NA
us-gaap:IncreaseDecreaseInAccountsPayable ▄▂▂▃▇▂▁▇▃█▂▃▃▄▂▅▃▃▃▄▃▄▃0.851-0.911-0.7390.1223.236-1.072-2.0063.649-0.4434.112-1.15-0.206-0.6090.702-0.911.25-0.426-0.004-0.6740.317-0.6550.589-0.177NA
us-gaap:IncreaseDecreaseInAccountsReceivable ▂▁▇▇▃▄█▆▆▂▅▅▅▁▆▄▆▃▄▄▅▃▅-7.83-11.48214.68511.27-2.896-0.44517.1537.0186.93-5.5434.1474.1033.968-9.5959.4760.6187.25-4.2771.904-1.213.018-1.4173.715NA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃██▄▃▄▄▆▁▆▅▄▂▅▄▅-5.13719.80819.399-0.527-3.870.8011.46312.343-12.1768.6874.0710.676-8.967.5080.4846.738NANANANANANANANA
us-gaap:NetIncomeLoss ▁▄▃▃▄▃▆▆▆▅▆▇▅▆▇██▇██████-33.821-21.789-24.586-24.205-19.22-25.385-13.132-12.921-12.063-14.134-9.805-8.45-16.918-12.342-5.764-4.231-3.437-6.202-2.628-2.629-2.804-3.225-3.999-3.621
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-33.821-21.789NA-24.205-19.22-25.385NA-12.921-12.063-14.134-9.805-8.45-16.918-12.342-5.764-4.231-3.437-6.202-2.628NANANANANA
us-gaap:ProfitLoss ▁▄▃▃▄▃▆▆▆▆▇▇▅▆██-33.821-21.789-24.586-24.205-19.22-25.385-13.132-12.921-12.063-14.134-9.805-8.45-16.918-12.342-5.764-4.231NANANANANANANANA
us-gaap:ShareBasedCompensation █▇▆▇▆▆▅▅▄▄▃▂▅▄▃▂▁▁▁▁▁▁▁15.50512.68511.81613.35111.27810.319.3958.3018.0087.7855.5823.4959.9266.5864.382.7941.0890.9550.9290.7490.7210.6570.588NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆▇▇▇▆▇▅██▇▆█▇▇▇-169.168-36.708-21.01-14.062-12.644-37.469-2.804-50.61510.86117.984-21.155-26.4947.364-8.128-20.653-13.209NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▇▁▁▁▁█▁▁▄▁▁▁▁▃▁-1.503284.792-0.6990.5161.0694.168341.911-0.6934.245148.6381.076-0.4061.1881.24199.066-2.275NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoNA1.5e-061.5e-06NA1.5e-081.5e-081.5e-08NANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument evbg:ZeroPercentConvertibleSeniorNotesDueMarchFifteenTwoThousandTwentySixNA0.0NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySixNA0.0NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFourNANA1.25e-07NA1.25e-091.25e-091.25e-09NANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value38000.038000.035000.035000.034000.034000.034000.034000.033000.033000.030000.029000.029000.029000.028000.028000.028000.027000.027000.027000.011000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value383634343433333229282828272714121212
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value383634343433333229282828272714121212
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.89-0.6-0.7-0.7-0.56-0.74-0.39-0.39-0.37-0.44-0.33-0.29-0.59-0.43-0.2-0.15-0.12-0.23-0.02-0.18-0.23-0.26-0.32-0.3
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.89-0.6-0.7-0.7-0.56-0.74-0.39-0.39-0.37-0.44-0.33-0.29-0.59-0.43-0.2-0.15-0.12-0.23-0.02-0.18-0.23-0.26-0.32-0.3
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1512111311109.3958.3018.2827.7855.5683.541106.6944.4272.8031.1010.9680.9360.7590.7350.6710.6220.542
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.915.40.018.717.317.50.015.817.118.20.09.128.021.90.010.34.44.20.03.84.03.90.03.6

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

evbg:PerformanceBasedRestrictedStockUnits


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7.35.95.6999999999999986.45.24.63.93.11.81.91.10.20.10.00.00.00.0
Percentage of AllocatedShareBasedCompensationExpense47.146.548.247.946.144.641.537.321.724.419.85.61.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.47.20.09.08.07.80.05.93.74.40.00.50.30.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:PerformanceBasedRestrictedStockUnits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.40.40.70.91.00.91.01.31.61.93.00.82.11.90.42.81.10.9680.90.80.70.6710.60.5
Percentage of AllocatedShareBasedCompensationExpense2.63.25.96.78.98.710.615.719.324.453.922.621.028.49.099.999.9100.096.2105.495.2100.096.592.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.01.31.51.50.02.53.34.40.02.15.96.20.010.34.44.20.04.03.83.90.03.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStock


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value7.45.95.05.84.84.54.33.74.63.81.02.41.10.70.40.0
Percentage of AllocatedShareBasedCompensationExpense47.746.542.343.442.643.645.844.655.548.818.067.811.015.814.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.57.20.08.17.37.60.07.09.58.90.06.23.10.01.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RestrictedStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.8190.9990.8010.8420.7030.6080.610.5090.4120.4350.4290.3120.940.6250.3120.1410.060.0650.0450.0460.0440.0450.0470.046
Percentage of AllocatedShareBasedCompensationExpense5.37.96.86.36.25.96.56.15.05.67.78.89.49.37.05.05.46.74.86.16.06.77.68.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.20.01.21.11.00.01.00.91.00.00.82.62.00.00.50.20.30.00.20.20.30.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value6.5455.9165.0295.5434.364.223.883.6372.6313.5721.5040.9582.3452.3242.171.5550.5830.480.5840.4150.4250.4240.3760.319
Percentage of AllocatedShareBasedCompensationExpense42.246.642.641.538.740.941.343.831.845.927.027.123.434.749.055.553.049.662.454.757.863.260.558.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.67.20.07.86.77.20.06.95.48.30.02.56.57.60.05.72.32.10.02.12.32.50.02.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.5622.0281.962.5712.2981.8742.261.7322.6921.411.51.0913.2051.310.7760.4160.1760.1460.0850.0870.0910.0850.0840.079
Percentage of AllocatedShareBasedCompensationExpense16.516.016.619.320.418.224.120.932.518.126.930.832.019.617.514.816.015.19.111.512.412.713.514.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.50.03.63.53.20.03.35.63.30.02.88.94.30.01.50.70.60.00.40.50.50.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingAndMarketingExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value5.5793.7424.0264.3953.9173.6082.6452.4232.5472.3682.1351.183.5322.4351.1690.6910.2820.2770.2220.2110.1750.1170.1150.098
Percentage of AllocatedShareBasedCompensationExpense36.029.534.132.934.735.028.229.230.830.438.333.335.236.426.424.725.628.623.727.823.817.418.518.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.44.60.06.26.06.10.04.65.35.50.03.09.98.00.02.51.11.20.01.10.90.70.00.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingAndMarketingExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName

evbg:TwoThousandSixteenEmployeeStockPurchasePlan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.40.50.50.30.30.30.20.20.20.30.20.20.20.20.30.20.20.2
Percentage of AllocatedShareBasedCompensationExpense2.63.94.22.22.72.92.12.42.43.93.65.62.03.06.87.118.220.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.60.00.40.50.50.00.40.40.70.00.50.60.70.00.70.80.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:TwoThousandSixteenEmployeeStockPurchasePlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value-32590000.0-24386000.0-15307000.0-20750000.0-16877000.0-31905000.0-12055000.0-14970000.0-11792000.0-14112000.0-12523000.0-8369000.0-19302000.0-12609000.0-5564000.0-4034000.0-3352000.0-6161000.0-2563000.0-2911000.0-3484000.0-3559000.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-37.6-29.70.0-29.1-25.8-54.20.0-28.5-24.4-33.00.0-21.5-53.9-41.30.0-14.8-13.4-27.0-12.9-15.7-20.4-23.4

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value272521201920181614131312119.668.5348.0767.2397.6546.4436.1735.6765.4755.5795.165
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.930.80.029.329.735.50.031.330.432.70.031.632.231.70.029.628.933.50.031.030.632.10.034.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

us-gaap:GainsLossesOnExtinguishmentOfDebt

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Gains
Period End2021-06-302021-03-312020-12-31
Value-100000.0-400000.0-100000.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase0.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value242222191615121310107.8537.138.6357.8446.2556.3755.0655.24.0413.6663.1283.4583.8313.863
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.527.40.027.725.727.00.025.621.624.70.018.324.125.70.023.320.222.80.018.416.820.30.025.4

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value585653504538383633282826242020191715141312111010
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax68.169.20.070.770.364.50.068.769.667.30.068.467.868.30.070.471.166.50.069.069.467.90.066.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-37608000.0-27602000.0-24921000.0-23932000.0-20724000.0-26086000.0-13238000.0-12822000.0-11925000.0-13840000.0-9380000.0-8364000.0-16729000.0-12246000.0-5652000.0-4310000.0-3450000.0-6175000.0-2577000.0-2594000.0-2759000.0-3380000.0-4187000.0-3807000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-43.4-33.60.0-33.6-31.7-44.30.0-24.4-24.6-32.30.0-21.5-46.7-40.10.0-15.8-13.8-27.00.0-13.0-14.9-19.80.0-25.1

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-3787000.0-5813000.0-335000.0273000.0-1504000.0-701000.0-106000.099000.0138000.0294000.0425000.086000.0189000.096000.0112000.0-79000.0-13000.027000.051000.035000.045000.0-155000.0-188000.0-186000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.4-7.10.00.4-2.3-1.20.00.20.30.70.00.20.50.30.0-0.3-0.10.10.00.20.2-0.90.0-1.2

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value261000.0674000.0129000.0101000.070000.02000.039000.02000.03000.022000.06000.0-3000.0
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.80.00.10.00.00.10.00.00.10.0-0.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value9.6556.566.1076.0625.9985.9222.4921.6971.6541.6351.611.5921.5721.5720.6860.0020.0020.0010.00.1950.1740.1370.1330.16
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.18.00.08.59.210.10.03.23.43.80.04.14.45.20.00.00.00.00.01.00.90.80.01.1

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument

us-gaap:InterestExpenseDebt

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.010.7241.3841.3991.3921.3751.6321.6721.6561.633
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.90.02.02.12.30.03.23.43.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo0.00.00.00.00.00.00.00.00.00.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Interest
Period End2021-03-31
Value1.056
Percentage of InterestExpenseDebt145.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix0.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value4.8424.784.7234.6624.6064.547
Percentage of InterestExpenseDebt48420.0660.2341.3333.2330.9330.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.80.06.57.07.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour0.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-30
Value292000.0318000.0964000.00790000.0184000.0903000.00863000.00
Percentage of InterestPaidNet100.0100.0100.00.0100.0100.0100.00.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.00.01.20.30.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-33821000.0-21789000.0-24586000.0-24205000.0-19220000.0-25385000.0-13132000.0-12921000.0-12063000.0-14134000.0-9805000.0-8450000.0-16918000.0-12342000.0-5764000.0-4231000.0-3437000.0-6202000.0-2628000.0-2629000.0-2804000.0-3225000.0-3999000.0-3621000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.0-26.50.0-34.0-29.4-43.10.0-24.6-24.9-33.00.0-21.7-47.2-40.40.0-15.5-13.7-27.10.0-13.2-15.1-18.90.0-23.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-33821000.0-21789000.0-24205000.0-19220000.0-25385000.0-12921000.0-12063000.0-14134000.0-9805000.0-8450000.0-16918000.0-12342000.0-5764000.0-4231000.0-3437000.0-6202000.0-2628000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.0-26.5-34.0-29.4-43.1-24.6-24.9-33.00.0-21.7-47.2-40.40.0-15.5-13.7-27.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-10194000.0-9364000.0-6628000.0-6194000.0-6201000.0-4426000.0-3023000.0-700000.0-310000.0-564000.0-971000.0-1165000.0-1178000.0-1314000.0-470000.081000.069000.018000.020000.0-165000.0-208000.0-131000.0-143000.0-180000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-11.8-11.40.0-8.7-9.5-7.50.0-1.3-0.6-1.30.0-3.0-3.3-4.30.00.30.30.10.0-0.8-1.1-0.80.0-1.2

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value867572686059484845423633393125232121171615141413
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax99.791.40.095.692.5101.30.091.893.598.40.086.9111.2104.20.086.585.193.60.081.283.287.00.089.9

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-27414000.0-18238000.0-18293000.0-17738000.0-14523000.0-21660000.0-10215000.0-12122000.0-11615000.0-13276000.0-8409000.0-7199000.0-15551000.0-10932000.0-5182000.0-4391000.0-3519000.0-6193000.0-2597000.0-2429000.0-2551000.0-3249000.0-4044000.0-3627000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-31.6-22.20.0-24.9-22.2-36.80.0-23.1-24.0-31.00.0-18.5-43.4-35.80.0-16.1-14.1-27.10.0-12.2-13.7-19.00.0-23.9

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1231000.0-2597000.09279000.03455000.02343000.0-6520000.01077000.0-2049000.0271000.022000.0-2718000.081000.0-2384000.0-267000.0200000.0197000.085000.041000.010000.066000.0-107000.0-259000.028000.062000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.4-3.20.04.83.6-11.10.0-3.90.60.10.00.2-6.7-0.90.00.70.30.20.00.3-0.6-1.50.00.4

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1231000.0-2597000.03455000.02343000.0-6520000.0-2049000.0271000.022000.0-2718000.081000.0-2384000.0-267000.0200000.0197000.085000.041000.010000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.4-3.24.83.6-11.1-3.90.60.10.00.2-6.7-0.90.00.70.30.20.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1231000.0-2597000.03455000.02343000.0-6520000.0-2049000.0271000.022000.0-2718000.081000.0-2384000.0-267000.0200000.0197000.085000.041000.010000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.4-3.24.83.6-11.1-3.90.60.10.00.2-6.7-0.90.00.70.30.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-602000.0-49000.0-167000.0-239000.0-438000.0-77000.0-83000.0-35000.012000.0-106000.0113000.0-33000.0-6000.0-198000.0-25000.0-23000.0-6000.0-32000.0-14000.030000.0-34000.06000.0-10000.0-20000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.10.0-0.3-0.7-0.10.0-0.10.0-0.20.0-0.1-0.0-0.60.0-0.1-0.0-0.10.00.2-0.20.00.0-0.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-33821000.0-21789000.0-24586000.0-24205000.0-19220000.0-25385000.0-13132000.0-12921000.0-12063000.0-14134000.0-9805000.0-8450000.0-16918000.0-12342000.0-5764000.0-4231000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.0-26.50.0-34.0-29.4-43.10.0-24.6-24.9-33.00.0-21.7-47.2-40.40.0-15.5

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value201816161414121212111010128.1716.1595.6265.1795.2774.2053.9173.4633.183.0273.025
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.422.00.023.822.824.10.024.526.426.80.026.633.626.80.020.620.723.10.019.718.718.60.019.9

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value868275716558575248424138353029272522211918171615
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

evbg:ProfessionalServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.4595.946.7334.5434.6534.4815.4596.1623.2222.9582.5992.9272.0181.9941.4331.0651.0840.769
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.57.28.96.47.17.69.611.76.76.96.27.55.66.54.93.94.33.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.57.28.96.47.17.69.611.76.76.96.27.55.66.54.93.94.33.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:ProfessionalServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:SoftwareLicensesAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.5385.8383.1683.0861.2180.6080.140.7692.852
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.67.14.24.31.91.00.21.55.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.67.14.24.31.91.00.21.55.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax evbg:SoftwareLicensesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubscriptionAndCirculation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7970656359534746453939353328272623
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.985.786.989.391.091.483.988.393.393.193.892.594.493.595.196.195.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.985.786.989.391.091.483.988.393.393.193.892.594.493.595.196.195.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SubscriptionAndCirculation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value62575152514644413634283131
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.969.967.973.278.079.778.079.675.679.668.780.087.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.969.967.973.278.079.778.079.675.679.668.780.087.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2424241914111210118.735137.7854.5553.036
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.130.132.126.822.020.322.020.424.420.431.320.012.79.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.130.132.126.822.020.322.020.424.420.431.320.012.79.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value868275716558575248424138353029272522211918171615
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value4134333128292321222018161915131111109.1888.6058.8498.2057.8276.761
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax47.942.044.444.144.050.241.641.745.546.943.842.053.551.746.042.644.247.743.243.247.748.148.344.5

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1375128896093088688783747942442626225425124623613012711310810653
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value969931708684652653616268239242220206198186180828075656269
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.572.373.773.673.673.773.756.056.356.883.981.379.075.576.363.763.266.660.958.8130.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1375128896093088688783747942442626225425124623613012711310810653
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value40535625224523423322021118518442475260554746384244-16.051-5.327-12.088
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.527.726.326.426.426.326.344.043.743.216.118.721.024.523.736.336.833.439.141.2-30.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value1.4440.2132.81-6.469-9.924-12.267-5.747-6.824-4.775-5.046-5.068-2.35-2.431-0.0470.220.02-0.177-0.262-0.303-0.313-0.013-0.0420.026
Percentage of StockholdersEquity0.40.11.1-2.6-4.2-5.3-2.6-3.2-2.6-2.7-12.0-4.9-4.6-0.10.40.0-0.4-0.7-0.7-0.70.10.8-0.2
Percentage of Assets0.10.00.3-0.7-1.1-1.4-0.7-1.4-1.1-1.2-1.9-0.9-1.0-0.00.10.0-0.1-0.2-0.3-0.3-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value752671542521488471425404364351194187184173164150146134132131626254
Percentage of StockholdersEquity185.7188.3215.1211.9208.7201.7193.3191.7196.3190.5462.2393.7349.5286.0294.7319.3312.6352.6312.3298.2-388.0-1167.7-452.9
Percentage of Assets54.752.156.556.055.153.150.984.485.882.374.373.873.470.169.8115.8115.0117.7122.1123.0116.40.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value0.0380.0380.0350.0350.0340.0340.0340.0340.0330.0330.030.0290.0290.0290.0280.0280.0280.0270.0270.0270.0110.0110.01
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.10.10.10.00.10.10.10.10.10.1-0.1-0.2-0.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value-348.926-315.105-293.316-268.73-244.525-225.305-199.92-186.788-173.867-161.804-147.67-137.865-129.415-112.497-109.252-103.488-99.257-95.82-89.618-86.99-78.332-67.508-66.885
Percentage of StockholdersEquity-86.1-88.4-116.3-109.3-104.4-96.5-90.7-88.5-93.7-87.7-350.3-288.9-244.9-186.0-195.1-219.4-212.3-252.0-211.6-197.6488.01267.3553.3
Percentage of Assets-25.4-24.5-30.5-28.9-27.6-25.4-23.9-38.9-41.0-37.9-56.3-54.2-51.5-45.6-46.2-79.5-78.1-84.1-82.7-81.5-146.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value682859598586584602625268299312162154152186183767360828429
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.666.762.363.165.967.974.756.070.473.262.060.860.675.777.658.857.753.076.578.755.4

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value559734467468483498531194235235597610210310223323960621.0485.0958.5784.684.4123.04
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.757.048.650.454.556.263.540.655.455.122.930.040.842.043.518.225.834.856.158.30.00.016.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value838494806770685142354137332231222114171515
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.69.88.77.68.08.210.810.08.315.714.513.19.113.417.117.213.216.415.029.3

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value18161513161514131212108.3197.9637.287.2566.8888.648.0277.5037.28210
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.31.61.51.91.81.72.83.02.94.03.33.22.93.15.36.87.06.96.819.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

evbg:ComputerAndSystemSoftware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2.0682.0680.8270.6671.4691.4511.4511.4711.4081.4091.3851.3851.2221.2231.1931.1861.561.5021.4781.4691.341
Percentage of PropertyPlantAndEquipmentGross11.112.45.54.89.09.310.211.011.011.413.216.615.316.816.417.218.118.719.720.212.6
Percentage of Assets0.20.20.10.10.20.20.20.30.30.30.50.50.50.50.50.91.21.31.41.42.5
Percentage of Assets evbg:ComputerAndSystemSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

evbg:SystemsHardware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.8130.8120.8070.5331.6161.5891.5961.4711.4761.4761.4041.4041.7141.4151.6231.6233.323.323.323.326.495
Percentage of PropertyPlantAndEquipmentGross4.44.95.33.89.810.211.211.011.511.913.416.921.519.422.423.638.441.444.245.660.9
Percentage of Assets0.10.10.10.10.20.20.20.30.30.30.50.60.70.60.71.22.62.93.13.112.1
Percentage of Assets evbg:SystemsHardware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value7.3236.8566.5475.7946.2795.8035.3094.6674.3064.0193.7453.5743.1242.7752.5862.2852.1071.9381.7771.6492.003
Percentage of PropertyPlantAndEquipmentGross39.341.043.241.838.337.137.334.933.532.535.743.039.238.135.633.224.424.123.722.618.8
Percentage of Assets0.50.50.70.60.70.70.61.01.00.91.41.41.21.11.11.81.71.71.61.53.7
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2.1652.0442.0411.9992.1572.1071.7851.7341.6891.6861.1891.9031.8671.8541.7941.6531.2670.9280.8440.822
Percentage of PropertyPlantAndEquipmentGross11.612.213.514.413.113.512.613.013.213.611.323.925.625.626.019.115.812.411.67.7
Percentage of Assets0.20.20.20.20.20.20.20.40.40.40.50.80.80.81.41.31.10.90.81.5
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value6.2414.9574.9444.8644.8894.6724.0744.0253.9583.7632.7760.727
Percentage of PropertyPlantAndEquipmentGross33.529.632.635.129.829.928.730.130.830.526.410.0
Percentage of Assets0.50.40.50.50.60.50.50.80.90.91.10.3
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OfficeEquipment


Property
Period End2020-12-312019-12-312018-12-31
Value6.5475.3093.745
Percentage of PropertyPlantAndEquipmentGross43.237.335.7
Percentage of Assets0.70.61.4
Percentage of Assets us-gaap:OfficeEquipment0.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9043000.08236000.07392000.06603000.09196000.08515000.07931000.07339000.06803000.06376000.05849000.05401000.05241000.04799000.04460000.04044000.05716000.05340000.04580000.04154000.07041000.0
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.60.80.71.01.00.91.51.61.52.22.12.11.91.93.14.54.74.23.913.2

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value10.07.95.95.44.84.14.03.11.61.61.41.91.80.80.90.90.90.70.30.30.30.30.30.4
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:IncomeStatementLocation

us-gaap:DevelopedTechnologyRights, us-gaap:CostOfSales


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.02.61.41.11.00.70.80.60.40.3
Percentage of AmortizationOfIntangibleAssets30.032.923.720.420.817.120.019.425.018.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:DevelopedTechnologyRights us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9567000.08501000.07774000.07254000.07214000.07107000.06284000.06029000.06034000.05977000.04650000.02918000.02722000.02481000.02796000.02844000.02924000.02687000.02923000.03128000.03620000.0
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.80.80.80.80.81.31.41.41.81.11.11.01.22.22.32.42.72.96.8

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4052341871831561419190514848535331313131309.6767.8397.839
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.518.219.519.717.616.010.918.912.111.318.520.921.112.613.324.124.427.18.97.314.6

us-gaap:Goodwill us-gaap:BusinessAcquisition

evbg:NC4IncAndNC4PublicSectorLLC


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-07-29
Value404040404040
Percentage of Goodwill22.025.928.544.244.60.0
Percentage of Assets4.34.64.64.88.40.0
Percentage of Assets evbg:NC4IncAndNC4PublicSectorLLC0.00.00.00.00.00.0

evbg:RedSkyTechnologiesInc


Goodwillus-gaap:
Period End2021-01-15
Value49
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets evbg:RedSkyTechnologiesInc0.0

evbg:SnapCommsLimited


Goodwillus-gaap:
Period End2020-08-04
Value23
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets evbg:SnapCommsLimited0.0

evbg:XMattersHoldingsInc


Goodwillus-gaap:
Period End2021-05-07
Value170
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets evbg:XMattersHoldingsInc0.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value216130113988683677025212322237.9528.6349.49910113.942.7384.119
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.810.211.810.69.89.58.014.75.95.18.88.69.53.23.77.38.19.73.62.67.7

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1679378796865535522181917184.2474.6625.0875.4535.7752.6992.1753.312
Percentage of FiniteLivedIntangibleAssetsNet77.371.769.079.978.577.679.278.088.286.384.778.677.553.454.053.653.052.468.579.480.4
Percentage of Assets12.27.38.28.57.77.36.311.55.24.47.56.87.31.72.03.94.35.12.52.06.2
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value322726108.9858.735.2536.0241.4881.5291.8652.733.1191.7932.0482.3412.622.8910.6120.2490.448
Percentage of FiniteLivedIntangibleAssetsNet15.120.923.310.410.410.47.88.55.97.18.012.413.122.523.724.625.526.215.59.110.9
Percentage of Assets2.42.12.81.11.01.00.61.30.40.40.71.11.20.70.91.82.12.50.60.20.8
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-31
Value169.6288.7229.649.658108.7139.5121.4781.4321.6671.9352.1741.8121.7940.6290.3140.359
Percentage of FiniteLivedIntangibleAssetsNet7.57.47.79.711.112.013.013.55.96.67.28.89.122.820.816.011.58.7
Percentage of Assets1.20.70.91.01.11.11.02.00.30.30.60.80.90.70.80.60.30.7
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value18141515161613131413
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.11.61.71.81.91.62.93.53.3

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value108.8299.69810106.9717.8088.8325.1265.9272.7194.1414.1543.0292.4463.2233.1752.632.4342.9673.521
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.71.01.11.20.80.91.81.21.41.01.61.71.21.02.52.52.32.22.86.6

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value10127.2466.1885.6497.6484.4965.4814.8924.55.5653.094.2773.2091.8252.0032.5022.4381.9572.3481.46
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.90.80.70.60.90.51.11.21.12.11.21.71.30.81.52.02.11.82.22.7

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value196178165144134141129112959592827970
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.313.917.215.515.216.015.523.422.422.335.432.331.629.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2772592362071851921691521241291201051019286807773636153
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.220.124.622.320.921.720.231.829.430.345.841.540.537.436.861.861.164.958.957.2100.2

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5715000.04244000.04259000.04354000.04172000.03858000.03567000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.30.40.50.50.40.4

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value141415107.3886.6674.8196.4825.4434.8291.491.2420.7911.3310.8080.6140.4890.6130.5480.5530.569
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.61.10.80.80.61.41.31.10.60.50.30.50.30.50.40.50.50.51.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-30
Value825
Percentage of LongTermDebt100.0
Percentage of Assets60.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Long
Period End2020-12-31
Value529
Percentage of LongTermDebt0.0
Percentage of Assets55.1
Percentage of Assets evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo0.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value141310104.725.4722.0021.1971.1051.0571.0320.482
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.01.10.50.60.20.20.30.20.40.2

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value171416161616111213131.9480.9891.0790.4650.5150.5330.5540.0540.4470.1060.166
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.21.71.71.91.81.42.73.23.20.70.40.40.20.20.40.40.00.40.10.3

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value16131415151611
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.01.51.61.81.81.4

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value6029000.05097000.05268000.05129000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.40.40.50.6

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value3341000.02631000.05105000.05010000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.20.20.50.5

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1647000.0930000.02635000.02563000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.10.10.30.3

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value929000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value2769000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value22171819191915161716
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.41.92.12.22.31.83.44.03.8

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value25202223
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets1.91.62.32.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value3368000.03198000.03602000.03559000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.20.20.40.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value40535625224523423322021118518442475260554746384244-16.051-5.327-12.088
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.527.726.326.426.426.326.344.043.743.216.118.721.024.523.736.336.833.439.141.2-30.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value1.4440.2132.81-6.469-9.924-12.267-5.747-6.824-4.775-5.046-5.068-2.35-2.431-0.0470.220.02-0.177-0.262-0.303-0.313-0.013-0.0420.026
Percentage of StockholdersEquity0.40.11.1-2.6-4.2-5.3-2.6-3.2-2.6-2.7-12.0-4.9-4.6-0.10.40.0-0.4-0.7-0.7-0.70.10.8-0.2
Percentage of Assets0.10.00.3-0.7-1.1-1.4-0.7-1.4-1.1-1.2-1.9-0.9-1.0-0.00.10.0-0.1-0.2-0.3-0.3-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value752671542521488471425404364351194187184173164150146134132131626254
Percentage of StockholdersEquity185.7188.3215.1211.9208.7201.7193.3191.7196.3190.5462.2393.7349.5286.0294.7319.3312.6352.6312.3298.2-388.0-1167.7-452.9
Percentage of Assets54.752.156.556.055.153.150.984.485.882.374.373.873.470.169.8115.8115.0117.7122.1123.0116.40.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value0.0380.0380.0350.0350.0340.0340.0340.0340.0330.0330.030.0290.0290.0290.0280.0280.0280.0270.0270.0270.0110.0110.01
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.10.10.10.00.10.10.10.10.10.1-0.1-0.2-0.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value-348.926-315.105-293.316-268.73-244.525-225.305-199.92-186.788-173.867-161.804-147.67-137.865-129.415-112.497-109.252-103.488-99.257-95.82-89.618-86.99-78.332-67.508-66.885
Percentage of StockholdersEquity-86.1-88.4-116.3-109.3-104.4-96.5-90.7-88.5-93.7-87.7-350.3-288.9-244.9-186.0-195.1-219.4-212.3-252.0-211.6-197.6488.01267.3553.3
Percentage of Assets-25.4-24.5-30.5-28.9-27.6-25.4-23.9-38.9-41.0-37.9-56.3-54.2-51.5-45.6-46.2-79.5-78.1-84.1-82.7-81.5-146.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value38000.038000.035000.035000.034000.034000.034000.034000.033000.033000.030000.029000.029000.029000.028000.028000.028000.027000.027000.027000.011000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value752671542521488471425404364351194164
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.752.156.556.055.153.150.984.485.882.374.369.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value-348.926-315.105-293.316-268.73-244.525-225.305-199.92-186.788-173.867-161.804-147.67-137.865-129.415-112.497-109.252-103.488-99.257-95.82-89.618-86.99-78.332
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-25.4-24.5-30.5-28.9-27.6-25.4-23.9-38.9-41.0-37.9-56.3-54.2-51.5-45.6-46.2-79.5-78.1-84.1-82.7-81.5-146.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1444000.0213000.02810000.0-6469000.0-9924000.0-12267000.0-5747000.0-6824000.0-4775000.0-5046000.0-5068000.0-2350000.0-2431000.0-47000.0220000.020000.0-177000.0-262000.0-303000.0-313000.0-13000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.3-0.7-1.1-1.4-0.7-1.4-1.1-1.2-1.9-0.9-1.0-0.00.10.0-0.1-0.2-0.3-0.3-0.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value15121311108.3838.2827.8495.5683.541106.6944.4272.8031.1010.9680.936
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value15121311108.3838.2827.8495.5683.541106.6944.4272.8031.1010.9680.936
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-5.1371919-0.527-3.870.8011.46312-12.1768.6874.0710.676-8.967.5080.4846.738
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.924.125.7-0.7-5.91.42.623.5-25.220.39.71.7-25.024.61.724.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-169.168-36.708-21.01-14.062-12.644-37.469-2.804-50.6151017-21.155-26.4947.364-8.128-20.653-13.209
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-195.2-44.7-27.8-19.7-19.3-63.6-4.9-96.322.442.0-50.6-68.120.6-26.6-70.8-48.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.503284-0.6990.5161.0694.168341-0.6934.2451481.076-0.4061.1881.24199-2.275
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.7346.4-0.90.71.67.1598.7-1.38.8347.12.6-1.03.34.1339.6-8.3

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-174.905267-1.603-14.065-15.198-33.166340-39.142.906175-16.226-26.305-1.0340.58279-8.908-6.846-21.086
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-201.9325.5-2.1-19.7-23.2-56.3596.3-74.56.0409.4-38.8-67.6-2.91.9271.2-32.6-27.4-92.3

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value13108.6438.147.326.6566.4795.4923.9953.7053.5213.8443.692.6382.5612.4182.2952.9332.0671.9741.9081.7931.732
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value851000.0-911000.0-739000.0122000.03236000.0-1072000.0-2006000.03649000.0-443000.04112000.0-1150000.0-206000.0-609000.0702000.0-910000.01250000.0-426000.0-4000.0-674000.0317000.0-655000.0589000.0-177000.0
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-7.83-11.4821411-2.896-0.445177.0186.93-5.5434.1474.1033.968-9.5959.4760.6187.25-4.2771.904-1.213.018-1.4173.715
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-5.1371919-0.527-3.870.8011.46312-12.1768.6874.0710.676-8.967.5080.4846.738
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.924.125.7-0.7-5.91.42.623.5-25.220.39.71.7-25.024.61.724.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-33821000.0-21789000.0-24586000.0-24205000.0-19220000.0-25385000.0-13132000.0-12921000.0-12063000.0-14134000.0-9805000.0-8450000.0-16918000.0-12342000.0-5764000.0-4231000.0-3437000.0-6202000.0-2628000.0-2629000.0-2804000.0-3225000.0-3999000.0-3621000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.0-26.5-32.5-34.0-29.4-43.1-23.0-24.6-24.9-33.0-23.4-21.7-47.2-40.4-19.8-15.5-13.7-27.1-12.3-13.2-15.1-18.9-24.7-23.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-33821000.0-21789000.0-24205000.0-19220000.0-25385000.0-12921000.0-12063000.0-14134000.0-9805000.0-8450000.0-16918000.0-12342000.0-5764000.0-4231000.0-3437000.0-6202000.0-2628000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.0-26.5-34.0-29.4-43.1-24.6-24.9-33.0-23.4-21.7-47.2-40.4-19.8-15.5-13.7-27.1-12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-33821000.0-21789000.0-24586000.0-24205000.0-19220000.0-25385000.0-13132000.0-12921000.0-12063000.0-14134000.0-9805000.0-8450000.0-16918000.0-12342000.0-5764000.0-4231000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.0-26.5-32.5-34.0-29.4-43.1-23.0-24.6-24.9-33.0-23.4-21.7-47.2-40.4-19.8-15.5

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1512111311109.3958.3018.0087.7855.5823.4959.9266.5864.382.7941.0890.9550.9290.7490.7210.6570.588
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-169.168-36.708-21.01-14.062-12.644-37.469-2.804-50.6151017-21.155-26.4947.364-8.128-20.653-13.209
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-195.2-44.7-27.8-19.7-19.3-63.6-4.9-96.322.442.0-50.6-68.120.6-26.6-70.8-48.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.503284-0.6990.5161.0694.168341-0.6934.2451481.076-0.4061.1881.24199-2.275
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.7346.4-0.90.71.67.1598.7-1.38.8347.12.6-1.03.34.1339.6-8.3

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312017-11-30
Value1.51.50.0150.0150.0150.015
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo0.00.00.00.00.00.0

evbg:ZeroPercentConvertibleSeniorNotesDueMarchFifteenTwoThousandTwentySix


Debt
Period End2021-03-31
Value0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations evbg:ZeroPercentConvertibleSeniorNotesDueMarchFifteenTwoThousandTwentySix0.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Debt
Period End2021-03-31
Value0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix0.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Debt
Period End2020-12-312020-06-302020-03-312019-12-31
Value0.1250.001250.001250.00125
Percentage of DebtInstrumentInterestRateStatedPercentage8.38.38.38.3
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour0.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value10.07-21.0618.27-1.140.0726-0.02690.00770.01160.02120.01030.01130.0078-0.01830.00380.00440.0130.01630.04590.049
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-31
Value24.2324.2825.5527.7827.2127.1326.5626.3625.724.3422.4322.2421.9419.7916.5515.6111.8810.9410.029.898.682.24
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-31
Value9973000.02002000.0
Percentage of DeferredTaxLiabilities100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value3942157.597
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value748000.0597000.0469000.0326000.0250000.0167000.0117000.0105000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value522425161816
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0

evbg:AdjustmentsToAdditionalPaidInCapitalPurchaseOfConvertibleNoteCappedCallHedge us-gaap:DebtInstrument

evbg:AdjustmentsToAdditionalPaidInCapitalPurchaseOfConvertibleNoteCappedCallHedge

evbg:ConvertibleNotesDueTwoThousandTwentySix


Adjustments
Period End2021-03-31
Value35
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfConvertibleNoteCappedCallHedge100.0

evbg:AdjustmentsToAdditionalPaidInCapitalPurchaseOfConvertibleNoteCappedCallHedge us-gaap:DebtInstrument, us-gaap:StatementEquityComponents

evbg:ConvertibleNotesDueTwoThousandTwentySix, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-31
Value35
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfConvertibleNoteCappedCallHedge100.0

evbg:AdjustmentsToAdditionalPaidInCapitalTerminationAndModificationOfCappedCallHedgeForConvertibleNotes us-gaap:DebtInstrument

evbg:AdjustmentsToAdditionalPaidInCapitalTerminationAndModificationOfCappedCallHedgeForConvertibleNotes

evbg:ConvertibleSeniorNotesDueTwoThousandTwentyTwo


Adjustments
Period End2021-03-31
Value10
Percentage of AdjustmentsToAdditionalPaidInCapitalTerminationAndModificationOfCappedCallHedgeForConvertibleNotes100.0

evbg:AdjustmentsToAdditionalPaidInCapitalTerminationAndModificationOfCappedCallHedgeForConvertibleNotes us-gaap:DebtInstrument, us-gaap:StatementEquityComponents

evbg:ConvertibleSeniorNotesDueTwoThousandTwentyTwo, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-31
Value10
Percentage of AdjustmentsToAdditionalPaidInCapitalTerminationAndModificationOfCappedCallHedgeForConvertibleNotes100.0

evbg:AllowanceForDoubtfulAccountsReceivableWriteOffsAndRecoveries

evbg:AllowanceForDoubtfulAccountsReceivableWriteOffsAndRecoveries


Allowance
Period End2021-06-302020-06-30
Value66000.0-81000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffsAndRecoveries100.0100.0

evbg:AmendedReduceCappedCallOptionsCapPrice us-gaap:DebtInstrument

evbg:AmendedReduceCappedCallOptionsCapPrice

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Amended
Period End2021-03-31
Value46.68
Percentage of AmendedReduceCappedCallOptionsCapPrice100.0

evbg:BusinessCombinationConsiderationDeferredConsiderationExpectedToPay us-gaap:BusinessAcquisition

evbg:BusinessCombinationConsiderationDeferredConsiderationExpectedToPay

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value3300000.0
Percentage of BusinessCombinationConsiderationDeferredConsiderationExpectedToPay100.0

evbg:BusinessCombinationConsiderationTransferredAcquisitionRelatedDeferredCommonStockConsideration us-gaap:BusinessAcquisition

evbg:BusinessCombinationConsiderationTransferredAcquisitionRelatedDeferredCommonStockConsideration

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value3149000.0
Percentage of BusinessCombinationConsiderationTransferredAcquisitionRelatedDeferredCommonStockConsideration100.0

evbg:CappedCallOptionsCapPrice us-gaap:DebtInstrument

evbg:CappedCallOptionsCapPrice

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Capped
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value047.200047.2
Percentage of CappedCallOptionsCapPrice0.0100.00.00.00.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Capped
Period End2021-06-302021-03-31
Value0258.14
Percentage of CappedCallOptionsCapPrice0.0546.9

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Capped
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0166.46000166.46
Percentage of CappedCallOptionsCapPrice0.0352.70.00.00.0352.7

evbg:CashPaymentDuringPeriodContingentConsideration us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

evbg:CashPaymentDuringPeriodContingentConsideration

evbg:OneTwoManyGroupBV, us-gaap:SubsequentEvent


Cash
Period End2021-07-01
Value4100000.0
Percentage of CashPaymentDuringPeriodContingentConsideration100.0

evbg:ContractWithCustomerAssetAllowanceForCreditLossRecoveryProvision

evbg:ContractWithCustomerAssetAllowanceForCreditLossRecoveryProvision


Contract
Period End2020-12-312020-09-30
Value-378000.08000.0
Percentage of ContractWithCustomerAssetAllowanceForCreditLossRecoveryProvision100.0100.0

evbg:CostOfPurchasedCappedCallOptions us-gaap:DebtInstrument

evbg:CostOfPurchasedCappedCallOptions

evbg:ZeroPercentConvertibleSeniorNotesDueMarchFifteenTwoThousandTwentySix


Cost
Period End2021-03-31
Value35
Percentage of CostOfPurchasedCappedCallOptions100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Cost
Period End2021-06-302021-03-31
Value0.035
Percentage of CostOfPurchasedCappedCallOptions0.0100.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.0440.00.00.04444
Percentage of CostOfPurchasedCappedCallOptions0.0127.90.00.00.00.00.0

evbg:DebtInstrumentConvertibleTaxPortionOfEquityComponent us-gaap:DebtInstrument

evbg:DebtInstrumentConvertibleTaxPortionOfEquityComponent

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Debt
Period End2021-06-302021-03-31
Value03400000.0
Percentage of DebtInstrumentConvertibleTaxPortionOfEquityComponent0.0100.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Debt
Period End2021-06-302021-03-31
Value0900000.0
Percentage of DebtInstrumentConvertibleTaxPortionOfEquityComponent0.026.5

evbg:DebtInstrumentModificationExpenseRecognized us-gaap:DebtInstrument

evbg:DebtInstrumentModificationExpenseRecognized

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-31
Value0200000.0
Percentage of DebtInstrumentModificationExpenseRecognized0.0100.0

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Debt
Period End2021-06-302021-03-31
Value0200000.0
Percentage of DebtInstrumentModificationExpenseRecognized0.0100.0

evbg:DeferredIncomeTaxExpenseBenefitExcludingBusinessAcquisitionDeferredTaxes

evbg:DeferredIncomeTaxExpenseBenefitExcludingBusinessAcquisitionDeferredTaxes


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-30
Value-3077000.0-6701000.0-1168000.0704000.0-1768000.0-1246000.0-92000.0118000.042000.041000.024000.0067000.034000.0-109000.021000.086000.00
Percentage of DeferredIncomeTaxExpenseBenefitExcludingBusinessAcquisitionDeferredTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0

evbg:DerivativeLiabilitiesAndChangesInFairValue us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

evbg:DerivativeLiabilitiesAndChangesInFairValue

evbg:TechwanSA, us-gaap:OtherNonoperatingIncomeExpense


Derivative
Period End2021-06-302021-03-312020-09-30
Value100000.0200000.0100000.0
Percentage of DerivativeLiabilitiesAndChangesInFairValue100.0100.0100.0

evbg:DiscreteTaxExpenseBenefit us-gaap:IncomeTaxAuthority

evbg:DiscreteTaxExpenseBenefit

us-gaap:DomesticCountry


Discrete
Period End2021-06-302021-03-312020-09-30
Value-1800000.0-5800000.0100000.0
Percentage of DiscreteTaxExpenseBenefit100.0100.0100.0

us-gaap:ForeignCountry


Discrete
Period End2020-09-30
Value200000.0
Percentage of DiscreteTaxExpenseBenefit200.0

evbg:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdjustments us-gaap:BusinessAcquisition

evbg:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdjustments

evbg:OneTwoManyGroupBV


Fair
Period End2021-06-302021-03-312020-09-30
Value38000.0-690000.01370000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdjustments100.0100.0100.0

evbg:SnapCommsLimited


Fair
Period End2021-06-302021-03-31
Value-23000.0732000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdjustments-60.5-106.1

evbg:TechwanSA


Fair
Period End2020-09-30
Value130000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdjustments9.5

evbg:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation

evbg:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation


Fair
Period End2021-06-302021-03-312020-09-302020-06-30
Value149000.0-465000.0157000.072000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation100.0100.0100.0100.0

evbg:GainsLossesOnExtinguishmentOfConvertibleNotesAndCappedCallModification

evbg:GainsLossesOnExtinguishmentOfConvertibleNotesAndCappedCallModification


Gains
Period End2021-06-302021-03-31
Value-37000.0-2888000.0
Percentage of GainsLossesOnExtinguishmentOfConvertibleNotesAndCappedCallModification100.0100.0

evbg:IncreaseDecreaseInDeferredRevenueAndGoodwill us-gaap:BusinessAcquisition

evbg:IncreaseDecreaseInDeferredRevenueAndGoodwill

evbg:CNLSoftwareLimited


Increase
Period End2020-09-30
Value2600000.0
Percentage of IncreaseDecreaseInDeferredRevenueAndGoodwill100.0

evbg:NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssuedValue

evbg:NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssuedValue


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value64230.0175.07430-0.04
Percentage of NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssuedValue100.0100.00.0100.0100.0100.0100.0

evbg:OtherSignificantNoncashTransactions

evbg:OtherSignificantNoncashTransactions


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value120000.0100000.0-327000.0703000.0
Percentage of OtherSignificantNoncashTransactions100.0100.0100.0100.0

evbg:PartiallyTerminatedCappedCallOptions us-gaap:DebtInstrument

evbg:PartiallyTerminatedCappedCallOptions

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Partially
Period End2021-03-31
Value10
Percentage of PartiallyTerminatedCappedCallOptions100.0

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Partially
Period End2021-06-302021-03-31
Value0.010
Percentage of PartiallyTerminatedCappedCallOptions0.0100.0

evbg:PaymentsToAcquireProductiveAssetsExcludingDevelopSoftwareAndAcquireIntangibleAssets

evbg:PaymentsToAcquireProductiveAssetsExcludingDevelopSoftwareAndAcquireIntangibleAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value316000.01812000.01135000.0947000.0651000.0524000.0852000.0542000.01102000.02773000.0866000.0
Percentage of PaymentsToAcquireProductiveAssetsExcludingDevelopSoftwareAndAcquireIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:ProceedsFromCappedCallOptions us-gaap:DebtInstrument

evbg:ProceedsFromCappedCallOptions

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Proceeds
Period End2021-03-312019-12-31
Value105.8
Percentage of ProceedsFromCappedCallOptions100.0100.0

evbg:ProvisionForCreditLossesAndSalesReserve

evbg:ProvisionForCreditLossesAndSalesReserve


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value343000.01562000.01629000.055000.0462000.0925000.019000.0253000.0241000.0148000.0
Percentage of ProvisionForCreditLossesAndSalesReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:SalesReserveAdditions

evbg:SalesReserveAdditions


Sales
Period End2021-06-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value259000.00-200000.00060000.00133000.0-25000.024000.0080000.00000
Percentage of SalesReserveAdditions100.00.0100.00.00.0100.00.0100.0100.0100.00.0100.00.00.00.00.0

evbg:SalesReserveReductions

evbg:SalesReserveReductions


Sales
Period End2020-09-30
Value225000.0
Percentage of SalesReserveReductions100.0

evbg:SalesReserveWriteOff

evbg:SalesReserveWriteOff


Sales
Period End2021-06-302021-03-312020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value8000.026000.0004000.05000.00069000.02000.022000.0015000.09000.000000
Percentage of SalesReserveWriteOff100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.00.00.00.00.0

evbg:StockIssuedDuringPeriodValueContingentConsideration

evbg:StockIssuedDuringPeriodValueContingentConsideration


Stock
Period End2021-06-30
Value720000.0
Percentage of StockIssuedDuringPeriodValueContingentConsideration100.0

evbg:StockIssuedDuringPeriodValueContingentConsideration us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-30
Value720000.0
Percentage of StockIssuedDuringPeriodValueContingentConsideration100.0

evbg:StockIssuedDuringPeriodValueSettlementOfConvertibleNotes

evbg:StockIssuedDuringPeriodValueSettlementOfConvertibleNotes


Stock
Period End2020-09-30
Value0.938
Percentage of StockIssuedDuringPeriodValueSettlementOfConvertibleNotes100.0

evbg:StockIssuedDuringPeriodValueSettlementOfConvertibleNotes us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-30
Value0.938
Percentage of StockIssuedDuringPeriodValueSettlementOfConvertibleNotes100.0

evbg:StockIssuedDuringPeriodValueVestingOfRestrictedStockUnitsAndPerformanceBasedRestrictedStockUnits

evbg:StockIssuedDuringPeriodValueVestingOfRestrictedStockUnitsAndPerformanceBasedRestrictedStockUnits


Stock
Period End2021-03-31
Value1000.0
Percentage of StockIssuedDuringPeriodValueVestingOfRestrictedStockUnitsAndPerformanceBasedRestrictedStockUnits100.0

evbg:StockIssuedDuringPeriodValueVestingOfRestrictedStockUnitsAndPerformanceBasedRestrictedStockUnits us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-03-31
Value1000.0
Percentage of StockIssuedDuringPeriodValueVestingOfRestrictedStockUnitsAndPerformanceBasedRestrictedStockUnits100.0

evbg:TransactionCostsInEquity us-gaap:DebtInstrument

evbg:TransactionCostsInEquity

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Transaction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0800000.0000800000.0
Percentage of TransactionCostsInEquity0.0100.00.00.00.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Transaction
Period End2021-06-302021-03-31
Value03000000.0
Percentage of TransactionCostsInEquity0.0375.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Transaction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value02600000.00002600000.0
Percentage of TransactionCostsInEquity0.0325.00.00.00.0325.0

us-gaap:AccretionExpense

us-gaap:AccretionExpense


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.5086.3135.6345.5785.5135.4362.0441.2431.2231.2011.1811.1611.141.134
Percentage of AccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1233000.01611000.03342000.0527000.0400000.04082000.0116000.0333000.04000.04149000.02750000.01022000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1233000.01611000.03342000.0527000.0400000.04082000.0116000.0333000.04000.04149000.02750000.01022000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature us-gaap:DebtInstrument

us-gaap:AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Adjustments
Period End2021-06-302021-03-31
Value0.02.7
Percentage of AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature0.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:DebtInstrument

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

evbg:ConvertibleNotesDueTwoThousandTwentySix


Adjustments
Period End2021-03-31
Value99
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312017-11-30
Value0.0220.00.02222
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.023.10.00.00.00.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Adjustments
Period End2021-06-302021-03-31
Value0.0105
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.0106.5

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0890.00.00.089
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.090.50.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:DebtInstrument, us-gaap:StatementEquityComponents

evbg:ConvertibleNotesDueTwoThousandTwentySix, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-31
Value99
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts us-gaap:DebtInstrument

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Adjustments
Period End2021-06-302021-03-312020-09-30
Value1.1180.9
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs


Allowance
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value28000.0-14000.032000.081000.0115000.0360000.0148000.0049000.0142000.030000.04000.034000.05000.011000.038000.015000.0270000.033000.0049000.0132000.0121000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:AmortizationOfDeferredSalesCommissions

us-gaap:AmortizationOfDeferredSalesCommissions


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.4623.7223.4573.4172.8132.9222.4961.8792.0091.5981.5441.4151.281.2331.8071.3321.3871.421
Percentage of AmortizationOfDeferredSalesCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts us-gaap:DebtInstrument

us-gaap:AmortizationOfFinancingCostsAndDiscounts

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0080.6181.0531.0571.0471.031.2171.2431.2231.201
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Amortization
Period End2021-06-302021-03-31
Value4.7981.056
Percentage of AmortizationOfFinancingCostsAndDiscounts59975.0170.9

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value4.7024.6394.5814.5214.4664.406
Percentage of AmortizationOfFinancingCostsAndDiscounts58775.0750.6435.0427.7426.6427.8

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued

evbg:SnapCommsLimited, us-gaap:SubsequentEvent


Business
Period End2020-08-04
Value121860.0
Percentage of BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

evbg:NC4IncAndNC4PublicSectorLLC


Business
Period End2020-09-302020-06-302020-03-312019-09-30
Value00200000.0200000.0
Percentage of BusinessCombinationAcquisitionRelatedCosts0.00.0100.0100.0

evbg:OneTwoManyGroupBV


Business
Period End2020-09-30
Value0
Percentage of BusinessCombinationAcquisitionRelatedCosts0.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

evbg:SnapCommsLimited, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2020-12-31
Value0
Percentage of BusinessCombinationAcquisitionRelatedCosts0.0

evbg:TechwanSA, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2020-12-312020-09-30
Value0100000.0
Percentage of BusinessCombinationAcquisitionRelatedCosts0.00.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:Range, us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

srt:Maximum, evbg:RedSkyTechnologiesInc, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2021-06-302021-03-31
Value0100000.0
Percentage of BusinessCombinationAcquisitionRelatedCosts0.00.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

evbg:CNLSoftwareLimited


Business
Period End2020-12-312020-09-302020-06-302020-02-252020-03-31
Value0.00.00.1233533
Percentage of BusinessCombinationConsiderationTransferred10.00.0100.0100.0100.0

evbg:ConnexientInc


Business
Period End2020-12-312020-09-302020-06-302020-02-072020-03-31
Value0.00.0-0.342020
Percentage of BusinessCombinationConsiderationTransferred10.00.0-276.460.10.0

evbg:OneTwoManyGroupBV


Business
Period End2020-12-312020-09-302020-06-302020-03-192020-03-31
Value0.00.00.0561314
Percentage of BusinessCombinationConsiderationTransferred10.00.045.541.80.0

evbg:RedSkyTechnologiesInc


Business
Period End2021-06-302021-01-152021-03-31
Value0.05564
Percentage of BusinessCombinationConsiderationTransferred10.00.00.0

evbg:SnapCommsLimited


Business
Period End2021-06-302021-03-312020-12-312020-08-04
Value0.0320.23234
Percentage of BusinessCombinationConsiderationTransferred10.00.00.00.0

evbg:TechwanSA


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-05-27
Value0.0170.00.015
Percentage of BusinessCombinationConsiderationTransferred10.00.00.00.00.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value242
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

evbg:SnapCommsLimited, us-gaap:SubsequentEvent


Business
Period End2020-08-04
Value34
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value23
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value17
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value64
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value09135000.002047000.01690000.02530000.00
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred0.0100.00.0100.0100.0100.00.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2020-12-31
Value2165000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 us-gaap:BusinessAcquisition

evbg:OneTwoManyGroupBV


Business
Period End2021-06-302021-03-31
Value0-700000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.00.0

evbg:SnapCommsLimited


Business
Period End2021-06-302021-03-31
Value0700000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.00.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

evbg:OneTwoManyGroupBV, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2021-03-31
Value-700000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.0

evbg:SnapCommsLimited, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2021-03-31
Value700000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 us-gaap:Range, us-gaap:BusinessAcquisition

srt:Maximum, evbg:OneTwoManyGroupBV


Business
Period End2021-06-30
Value100000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.0

srt:Maximum, evbg:SnapCommsLimited


Business
Period End2021-06-30
Value-100000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 us-gaap:Range, us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

srt:Maximum, evbg:OneTwoManyGroupBV, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2021-06-30
Value100000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.0

srt:Maximum, evbg:SnapCommsLimited, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2021-06-30
Value-100000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value205000.0-287000.0147000.0226000.014000.0-95000.0-472000.0689000.01331000.0193000.047000.038000.049000.0-1311000.01140000.0195000.0-28000.025000.020000.087000.017000.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareAdditions

us-gaap:CapitalizedComputerSoftwareAdditions


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3500000.02600000.02500000.02700000.02700000.02000000.02500000.02000000.02200000.02100000.01800000.02700000.02100000.02100000.01600000.01500000.01600000.01500000.01200000.01300000.0
Percentage of CapitalizedComputerSoftwareAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareAmortization1

us-gaap:CapitalizedComputerSoftwareAmortization1


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2200000.02100000.02100000.02000000.01900000.01900000.01900000.01800000.01800000.01500000.01600000.01500000.01400000.01400000.01300000.01200000.01100000.01500000.01300000.01300000.01200000.01000000.0900000.01000000.0
Percentage of CapitalizedComputerSoftwareAmortization1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostAmortization

us-gaap:CapitalizedContractCostAmortization


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.53.73.43.52.82.92.51.92.01.61.61.41.31.21.81.4
Percentage of CapitalizedContractCostAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetAllowanceForCreditLossWriteoff

us-gaap:ContractWithCustomerAssetAllowanceForCreditLossWriteoff


Contract
Period End2021-06-30
Value30000.0
Percentage of ContractWithCustomerAssetAllowanceForCreditLossWriteoff100.0

us-gaap:ContractWithCustomerAssetCreditLossExpense

us-gaap:ContractWithCustomerAssetCreditLossExpense


Contract
Period End2021-06-302021-03-312020-06-302020-03-31
Value29000.0444000.03000.025000.0
Percentage of ContractWithCustomerAssetCreditLossExpense100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

evbg:ProfessionalServices


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3.64.50.65.13.93.50.84.1
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0

evbg:SubscriptionServicesAndLicense


Contract
Period End2020-09-302019-09-30
Value5436
Percentage of ContractWithCustomerLiabilityRevenueRecognized1064.7900.0

evbg:SubscriptionServicesLicenseAndOther


Contract
Period End2021-06-302021-03-312020-06-302020-03-31
Value67595146
Percentage of ContractWithCustomerLiabilityRevenueRecognized1861.11326.71312.81325.7

us-gaap:DebtConversionConvertedInstrumentAmount1 us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:DebtConversionConvertedInstrumentAmount1

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo, us-gaap:SubsequentEvent


Debt
Period End2021-05-072021-02-26
Value1.219
Percentage of DebtConversionConvertedInstrumentAmount1100.0100.0

us-gaap:DebtConversionConvertedInstrumentSharesIssued1 us-gaap:DebtInstrument

us-gaap:DebtConversionConvertedInstrumentSharesIssued1

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Debt
Period End2021-03-31
Value2100000.0
Percentage of DebtConversionConvertedInstrumentSharesIssued1100.0

us-gaap:DebtInstrumentConvertibleStockPriceTrigger us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleStockPriceTrigger

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value033.7100033.71
Percentage of DebtInstrumentConvertibleStockPriceTrigger0.0100.00.00.00.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Debt
Period End2021-06-302021-03-31
Value0180.7
Percentage of DebtInstrumentConvertibleStockPriceTrigger0.0536.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0112.36000112.36
Percentage of DebtInstrumentConvertibleStockPriceTrigger0.0333.30.00.00.0333.3

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateDuringPeriod

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Debt
Period End2021-03-31
Value4.87
Percentage of DebtInstrumentInterestRateDuringPeriod100.0

us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction

us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction


Debt
Period End2021-06-302021-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-828000.01078000.0-322000.0465000.0-587000.0759000.0-1000.0127000.0-191000.0
Percentage of DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value900000.0800000.0700000.0700000.0700000.0600000.0500000.0600000.0600000.0500000.0400000.0500000.0500000.0400000.0400000.0400000.0400000.0800000.0500000.0400000.0400000.0400000.0400000.0400000.0
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value903000.0-315000.0707000.08000.0247000.0-666000.0-23000.0-175000.0-24000.0-28000.0-218000.0-81000.0-626000.0-39000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value130000.085000.081000.091000.094000.058000.080000.082000.0274000.064000.0-14000.046000.096000.0108000.047000.09000.012000.013000.07000.010000.014000.014000.0
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases us-gaap:BusinessAcquisition

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases

evbg:RedSkyTechnologiesInc


Fair
Period End2021-03-31
Value9135000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases100.0

evbg:SnapCommsLimited


Fair
Period End2020-09-30
Value2047000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases0.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:BusinessAcquisition

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

evbg:SnapCommsLimited


Fair
Period End2021-06-30
Value-720000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:DevelopedTechnologyRights


Finitelived
Period End2020-12-31
Value17
Percentage of FinitelivedIntangibleAssetsAcquired1100.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-31
Value49
Percentage of GoodwillAcquiredDuringPeriod100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-31
Value407000.0-1940000.06863000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-2041000.03012000.01058000.0592000.0-2325000.01732000.0-1012000.0423000.0346000.0-1065000.0919000.0-1187000.0-818000.01384000.0-78000.0-347000.0199000.094000.0234000.0678000.0-375000.02000.0175000.0
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-8.5538.373233.829-7.845.1181710-1.2442.7675.9276.1763.133-2.0728.577
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredCharges

us-gaap:IncreaseDecreaseInDeferredCharges


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.6573.456.9025.0572.2234.726.8554.042.1712.2271.2942.7931.9752.2230.305-2.6431.4430.984
Percentage of IncreaseDecreaseInDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-3190000.0-2130000.0-466000.04299000.0-3555000.03221000.02574000.04838000.0-4069000.01205000.02577000.01804000.0-4097000.04402000.01333000.01763000.0-388000.0888000.0-246000.01295000.0-1001000.01264000.0709000.0
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-1918000.02768000.0-3394000.0-181000.0-640000.04069000.0-834000.0-841000.02070000.0-2153000.02430000.0579000.0-1013000.02018000.0-195000.01009000.0309000.0-338000.0-647000.0529000.012000.01202000.0-326000.0
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-2677000.0-1955000.04962000.0-239000.0-889000.03585000.0-1985000.0121000.0234000.0277000.01231000.0445000.0-361000.0373000.0-618000.0104000.0376000.0-13000.0-52000.0-24000.08000.0-2000.060000.0
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInPrepaidExpense


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-299000.01221000.0-769000.01487000.0208000.03057000.0-1663000.01683000.0-772000.04233000.0-487000.0428000.0360000.01651000.0-1001000.0508000.0-27000.01071000.0-840000.0432000.0-59000.0815000.0-353000.0
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization us-gaap:DebtInstrument, us-gaap:VariableRate

us-gaap:InterestExpenseDebtExcludingAmortization

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo, evbg:OnePointFiveZeroPercentageCoupon


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2000.0106000.0331000.0342000.0345000.0345000.0415000.0429000.0433000.0432000.0
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour, evbg:ZeroPointOneTwoFivePercentageCoupon


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value140000.0141000.0142000.0141000.0140000.0141000.0
Percentage of InterestExpenseDebtExcludingAmortization7000.0133.042.941.240.640.9

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value100000.0133000.092000.0107000.0235000.01573000.0958000.01032000.01332000.01177000.0526000.0460000.0400000.0456000.0241000.0106000.077000.051000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1676000.01469000.01490000.01441000.01521000.01318000.01299000.01174000.01133000.01140000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1

us-gaap:NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1


Noncash
Period End2020-09-30
Value-604000.0
Percentage of NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1466000.01303000.01326000.01273000.01276000.01149000.01077000.01069000.0991000.0742000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1691000.01469000.01500000.01500000.01600000.01400000.01300000.01200000.01100000.01143000.01200000.0900000.0900000.0800000.0
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1233000.01784000.01276000.01285000.01130000.01200000.01338000.01362000.0886000.0400000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312019-12-312018-12-31
Value-115000.0147000.0-115000.085000.0-84000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0

us-gaap:PaymentsForHedgeFinancingActivities

us-gaap:PaymentsForHedgeFinancingActivities


Payments
Period End2021-06-302021-03-31
Value0.035
Percentage of PaymentsForHedgeFinancingActivities0.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-06-302020-03-312018-12-312017-12-312016-12-312015-12-31
Value0.8299.5620.00.1310.03.7940.00.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.00.0100.00.0100.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1233000.01610000.02095000.03342000.0527000.0400000.071000.04082000.0116000.0333000.04000.04149000.02750000.01022000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesGross


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-31
Value109.324340.0510.00.00.00.00.021
Percentage of PaymentsToAcquireBusinessesGross100.0100.0100.00.0100.00.00.00.00.00.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

evbg:RedSkyTechnologiesInc


Payments
Period End2021-01-15
Value55
Percentage of PaymentsToAcquireBusinessesGross0.0

evbg:SnapCommsLimited


Payments
Period End2020-08-04
Value13
Percentage of PaymentsToAcquireBusinessesGross0.0

evbg:XMattersHoldingsInc


Payments
Period End2021-05-07
Value177
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

evbg:RedSkyTechnologiesInc, us-gaap:SubsequentEvent


Payments
Period End2021-01-15
Value55
Percentage of PaymentsToAcquireBusinessesGross0.0

evbg:SnapCommsLimited, us-gaap:SubsequentEvent


Payments
Period End2021-08-09
Value2.5
Percentage of PaymentsToAcquireBusinessesGross0.0

evbg:XMatters, us-gaap:SubsequentEvent


Payments
Period End2021-04-06
Value242
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value165329.32434
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition

evbg:CNLSoftwareLimited


Payments
Period End2020-12-312020-09-302020-06-302020-02-252020-03-31
Value0.00.00.1231917
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.01.351.20.0

evbg:ConnexientInc


Payments
Period End2020-12-312020-09-302020-06-302020-02-072020-03-31
Value0.00.00.01110
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.00.031.50.0

evbg:OneTwoManyGroupBV


Payments
Period End2020-12-312020-09-302020-06-302020-03-192020-03-31
Value0.00.00.0565.56.507
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.00.618.60.0

evbg:RedSkyTechnologiesInc


Payments
Period End2021-06-302021-01-152021-03-31
Value0.03232
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.00.0

evbg:SnapCommsLimited


Payments
Period End2021-06-302021-03-312020-12-312020-08-04
Value0.0100.23213
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.031.10.00.0

evbg:TechwanSA


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-05-27
Value0.09.3010.00.09.4
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.028.70.00.00.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

evbg:RedSkyTechnologiesInc, us-gaap:SubsequentEvent


Payments
Period End2021-01-15
Value32
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

evbg:SnapCommsLimited, us-gaap:SubsequentEvent


Payments
Period End2020-08-04
Value13
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

evbg:XMatters, us-gaap:SubsequentEvent


Payments
Period End2021-04-06
Value177
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

us-gaap:PaymentsToDevelopSoftware

us-gaap:PaymentsToDevelopSoftware


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3587000.02495000.02355000.02623000.02669000.02004000.01952000.01918000.01931000.02018000.01777000.02684000.02039000.01999000.01574000.01542000.01557000.01487000.01200000.01254000.01428000.01612000.01255000.0
Percentage of PaymentsToDevelopSoftware100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromHedgeFinancingActivities

us-gaap:ProceedsFromHedgeFinancingActivities


Proceeds
Period End2021-06-302021-03-31
Value0.010
Percentage of ProceedsFromHedgeFinancingActivities0.0100.0

us-gaap:ProceedsFromNotesPayable

us-gaap:ProceedsFromNotesPayable


Proceeds
Period End2021-06-302021-03-31
Value0.0375
Percentage of ProceedsFromNotesPayable0.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0400000.0-531000.000-42000.0-506000.0477000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities0.0100.0100.00.00.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.5591.6041.3962.1791.5962.9891.5892.3354.7418.7461.3292.9864.3691.4660.7820.9721.1030.0120.0020.5630.1270.0580.015
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value02451000.001679000.001710000.001054000.001283000.065000.0877000.00881000.00686000.00854000.0
Percentage of ProceedsFromStockPlans0.0100.00.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.00.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value405000.01012000.01177000.0372000.0585000.0743000.0329000.0253000.0241000.0-100000.0-42000.0100000.0100000.0-200000.0-42000.0200000.0300000.00292000.0100000.035000.0200000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

evbg:ReceivableAndContractAssets


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100000.01400000.01400000.0200000.0400000.0700000.0100000.0300000.0200000.0100000.0
Percentage of ProvisionForDoubtfulAccounts24.7138.3118.953.868.494.230.4118.683.0-100.0

us-gaap:RepaymentsOfConvertibleDebt

us-gaap:RepaymentsOfConvertibleDebt


Repayments
Period End2021-06-302021-03-31
Value0.058
Percentage of RepaymentsOfConvertibleDebt0.0100.0

us-gaap:RepaymentsOfDebt us-gaap:DebtInstrument

us-gaap:RepaymentsOfDebt

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Repayments
Period End2021-03-31
Value58
Percentage of RepaymentsOfDebt100.0

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Repayments
Period End2021-03-31
Value58
Percentage of RepaymentsOfDebt100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value5.5660.1630.2220.795-0.2025.055-0.002-4.653
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

evbg:PerformanceBasedRestrictedStockUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-11.26133.06-0.3311.5411.3497.23-1.7620.64.8557.18
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-10.67132.342.7310.7812.4696.85-1.4917.536.3157.81
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue94.899.5-827.393.4109.999.684.785.1130.1101.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.84.00.4131.82.20.38.03.00.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

evbg:TwoThousandSixteenEmployeeStockPurchasePlan


Share
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-31
Value060.000.5500.450.450.4500.60.60.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

evbg:TwoThousandSixteenEmployeeStockPurchasePlan


Share
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312017-09-302017-06-302017-03-31
Value00.0600.00290.02520.02520.01180.00450.0045
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-31
Value2.36.34.5106.29.23.77.414222.62.93.50.1-0.41.40.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-1.7530.30.630.480.6417.460.511.11.99.530.130.09-3.669.21-0.04
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.5132.814.59-0.49-6.6431.08-0.036.944.1411.30.13.16-0.3712.71-0.26
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue


Sharebased
Period End2021-06-302021-03-312020-12-31
Value1.0219.960.63
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value225000.0166000.0164000.0266000.0337000.0215000.0268000.0138000.0151000.0401000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssued1

us-gaap:StockIssued1


Stock
Period End2021-06-302021-03-312020-12-31
Value1.1761510
Percentage of StockIssued1100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions

us-gaap:StockIssuedDuringPeriodValueAcquisitions


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value6423175.0743032
Percentage of StockIssuedDuringPeriodValueAcquisitions100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value6423175.0743032
Percentage of StockIssuedDuringPeriodValueAcquisitions100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap:DebtInstrument

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

evbg:ConvertibleSeniorNotesDueTwoThousandTwentyTwo


Stock
Period End2021-06-302021-03-31
Value1.17615
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap:DebtInstrument, us-gaap:StatementEquityComponents

evbg:ConvertibleSeniorNotesDueTwoThousandTwentyTwo, us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-31
Value1.17615
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.0100.0

evbg:ConvertibleSeniorNotesDueTwoThousandTwentyTwo, us-gaap:CommonStock


Stock
Period End2021-03-31
Value0.002
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities0.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2451000.01679000.01710000.01054000.01283000.065000.0877000.00881000.00686000.00854000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2451000.01679000.01710000.01054000.01283000.065000.0877000.00881000.00686000.00854000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.5591.6042.1791.5962.9892.3354.7418.7461.3282.9864.3691.4660.7820.9721.1030.0120.002
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.5591.6042.1781.5962.9892.3344.7418.7461.3282.9864.3691.4650.7820.9721.1030.0120.002
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2020-09-302019-09-302018-12-312018-09-302018-06-302018-03-312016-12-31
Value0.0010.0010.00.00.00.0010.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.00.00.00.00.10.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value15000.0098000.092000.046000.046000.033000.09000.03000.0
Percentage of SubleaseIncome100.00.0100.0100.0100.0100.0100.0100.0100.0

evbg:AccountsReceivableAmortizedCost

evbg:AccountsReceivableAmortizedCost


Accounts
Period End2020-09-302020-06-302020-03-312019-12-31
Value83707269
Percentage of AccountsReceivableAmortizedCost100.0100.0100.0100.0

evbg:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses us-gaap:BusinessAcquisition

evbg:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value773000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value503000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value5501000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses0.0

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseNextTwelveMonths

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseNextTwelveMonths


Capitalized
Period End2020-12-31
Value7610000.0
Percentage of CapitalizedSoftwareDevelopmentCostsAmortizationExpenseNextTwelveMonths100.0

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseRemainderOfFiscalYear

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseRemainderOfFiscalYear


Capitalized
Period End2021-06-302021-03-312020-09-30
Value4779000.06298000.02348000.0
Percentage of CapitalizedSoftwareDevelopmentCostsAmortizationExpenseRemainderOfFiscalYear100.0100.0100.0

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearOne

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearOne


Capitalized
Period End2021-06-302021-03-312020-09-30
Value7630000.06469000.06895000.0
Percentage of CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearOne100.0100.0100.0

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearThree

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearThree


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-30
Value974000.0196000.03037000.01742000.0
Percentage of CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearThree100.0100.0100.0100.0

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearTwo

evbg:CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearTwo


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-30
Value4985000.03824000.05682000.04967000.0
Percentage of CapitalizedSoftwareDevelopmentCostsAmortizationExpenseYearTwo100.0100.0100.0100.0

evbg:ContingentConsiderationFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

evbg:ContingentConsiderationFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Contingent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1819107.9964.2922.530.550.550.6740.6821.7055.445.4170.388
Percentage of ContingentConsiderationFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:ContingentConsiderationFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Contingent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1819107.9964.2922.530.550.550.6740.6821.7055.445.4170.388
Percentage of ContingentConsiderationFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:DeferredCostsAndOtherAssetsNonCurrent

evbg:DeferredCostsAndOtherAssetsNonCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value373231313031272610
Percentage of DeferredCostsAndOtherAssetsNonCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:DeferredCostsAndOtherCurrentAssets

evbg:DeferredCostsAndOtherCurrentAssets


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value212220201818131010
Percentage of DeferredCostsAndOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:DeferredTaxAssetsLeaseLiability

evbg:DeferredTaxAssetsLeaseLiability


Deferred
Period End2020-12-312019-12-312018-12-31
Value4447000.04295000.0278000.0
Percentage of DeferredTaxAssetsLeaseLiability100.0100.0100.0

evbg:DeferredTaxLiabilitiesDebtDiscount

evbg:DeferredTaxLiabilitiesDebtDiscount


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value20264.9865.679
Percentage of DeferredTaxLiabilitiesDebtDiscount100.0100.0100.0100.0

evbg:DeferredTaxLiabilitiesRightOfUseAsset

evbg:DeferredTaxLiabilitiesRightOfUseAsset


Deferred
Period End2020-12-312019-12-31
Value4029000.03909000.0
Percentage of DeferredTaxLiabilitiesRightOfUseAsset100.0100.0

evbg:DerivativeInstrumentsAcquisitionRelatedDeferredCommonStockConsiderationFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

evbg:DerivativeInstrumentsAcquisitionRelatedDeferredCommonStockConsiderationFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value922000.0821000.01011000.0852000.0938000.0
Percentage of DerivativeInstrumentsAcquisitionRelatedDeferredCommonStockConsiderationFairValueDisclosure100.0100.0100.0100.0100.0

evbg:DerivativeInstrumentsAcquisitionRelatedDeferredCommonStockConsiderationFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value922000.0821000.01011000.0852000.0938000.0
Percentage of DerivativeInstrumentsAcquisitionRelatedDeferredCommonStockConsiderationFairValueDisclosure100.0100.0100.0100.0100.0

evbg:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour

evbg:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour


Finite
Period End2021-06-302021-03-312020-09-30
Value612324
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour100.0100.0100.0

evbg:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

evbg:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour


Lessee
Period End2021-06-302021-03-312020-09-30
Value4220000.02769000.03661000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour100.0100.0100.0

evbg:LongTermDebtMaturingInYearsOneAndTwo

evbg:LongTermDebtMaturingInYearsOneAndTwo


Long
Period End2021-06-30
Value303000.0
Percentage of LongTermDebtMaturingInYearsOneAndTwo100.0

evbg:LongTermDebtMaturingInYearsThreeAndFour

evbg:LongTermDebtMaturingInYearsThreeAndFour


Long
Period End2021-06-30
Value450
Percentage of LongTermDebtMaturingInYearsThreeAndFour100.0

evbg:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

evbg:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour


Long
Period End2021-06-30
Value375
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour100.0

evbg:OperatingLossCarryForwardsNotSubjectToExpiration us-gaap:IncomeTaxAuthority

evbg:OperatingLossCarryForwardsNotSubjectToExpiration

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-31
Value76
Percentage of OperatingLossCarryForwardsNotSubjectToExpiration100.0

evbg:PrincipalAmountPerNoteUsedInConversionRate us-gaap:DebtInstrument

evbg:PrincipalAmountPerNoteUsedInConversionRate

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Principal
Period End2021-06-302021-03-312020-12-312020-09-30
Value2019121.0
Percentage of PrincipalAmountPerNoteUsedInConversionRate100.0100.0100.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Principal
Period End2021-03-31
Value0.001
Percentage of PrincipalAmountPerNoteUsedInConversionRate0.0

evbg:SalesReserve

evbg:SalesReserve


Sales
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value400000.0149000.0175000.0-150000.0-375000.0-375000.0175000.0191000.0195000.0200000.0200000.0140000.0209000.078000.0100000.0125000.0116000.0125000.045000.045000.045000.045000.045000.0
Percentage of SalesReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

evbg:UnrecognizedTaxBenefitsExcludingInterestAndPenalties

evbg:UnrecognizedTaxBenefitsExcludingInterestAndPenalties


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value728000.0575000.0454000.0315000.0242000.0167000.0117000.0
Percentage of UnrecognizedTaxBenefitsExcludingInterestAndPenalties100.0100.0100.0100.0100.0100.0100.0

evbg:UnrecognizedTaxProvision

evbg:UnrecognizedTaxProvision


Unrecognized
Period End2020-09-30
Value800000.0
Percentage of UnrecognizedTaxProvision100.0

evbg:UnrecognizedTaxProvisionThatWouldImpactEffectiveTaxRate

evbg:UnrecognizedTaxProvisionThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2021-06-302021-03-312020-09-30
Value1600000.01500000.0800000.0
Percentage of UnrecognizedTaxProvisionThatWouldImpactEffectiveTaxRate100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value888998695243364137332332232215181616
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value5243000.04772000.03788000.02597000.02257000.01753000.01125000.01156000.01051000.0810000.0711000.0820000.0716000.0637000.0863000.0794000.0610000.0359000.0419000.0397000.0422000.0374000.0381000.0478000.0357000.0282000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value48966743244245647351117422521847479045359.957293557
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value48966743244245647351117422824195949410814043423557
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0101.6110.5201.2198.1103.8237.6396.3436.7141.8100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value30
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value5.0
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

evbg:RedSkyTechnologiesInc, us-gaap:SubsequentEvent


Business
Period End2021-01-15
Value30
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

evbg:SnapCommsLimited, us-gaap:SubsequentEvent


Business
Period End2020-08-04
Value5.0
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-03-312017-12-31
Value1819107.9964.2922.530.6740.682
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent us-gaap:BusinessAcquisition

evbg:ConnexientInc


Business
Period End2020-12-312020-09-302020-06-302020-02-07
Value0.00.00.00.3
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent0.00.00.00.0

evbg:OneTwoManyGroupBV


Business
Period End2020-09-302020-03-19
Value1.42.2
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent17.50.0

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value9.1
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent0.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value2.0
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent0.0

evbg:TechwanSA


Business
Period End2020-09-302020-05-27
Value0.12.0
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent1.30.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value78
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value42
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value279
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value280000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value2926000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value1808000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value6716000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value233000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value1164000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value5.866
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value4.04
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value34
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value742000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value7048000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value4970000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value3436000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

evbg:RedSkyTechnologiesInc, us-gaap:CustomerRelationships


Business
Period End2021-01-15
Value20
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

evbg:RedSkyTechnologiesInc, us-gaap:TechnologyBasedIntangibleAssets


Business
Period End2021-01-15
Value3.59
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles17.8

evbg:RedSkyTechnologiesInc, us-gaap:TradeNames


Business
Period End2021-01-15
Value2.23
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles11.0

evbg:SnapCommsLimited, us-gaap:CustomerRelationships


Business
Period End2020-08-04
Value13
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

evbg:SnapCommsLimited, us-gaap:TechnologyBasedIntangibleAssets


Business
Period End2020-08-04
Value2.23
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

evbg:SnapCommsLimited, us-gaap:TradeNames


Business
Period End2020-08-04
Value0.96
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

evbg:XMattersHoldingsInc, us-gaap:CustomerRelationships


Business
Period End2021-05-07
Value79
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

evbg:XMattersHoldingsInc, us-gaap:TechnologyBasedIntangibleAssets


Business
Period End2021-05-07
Value8.39
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

evbg:XMattersHoldingsInc, us-gaap:TradeNames


Business
Period End2021-05-07
Value8.2
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value26000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value742000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value5055000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value242000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value943000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value5433000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value18000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value118000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value1458000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

evbg:RedSkyTechnologiesInc


Business
Period End2021-01-15
Value64
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

evbg:SnapCommsLimited


Business
Period End2020-08-04
Value32
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet0.0

evbg:XMattersHoldingsInc


Business
Period End2021-05-07
Value229
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet0.0

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization


Capitalized
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value413937353331303231292826252423212016
Percentage of CapitalizedComputerSoftwareAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value474543413937353331303231292826252423212016
Percentage of CapitalizedComputerSoftwareAccumulatedAmortization0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CapitalizedComputerSoftwareGross


Capitalized
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value575451494745434543413936353332302925
Percentage of CapitalizedComputerSoftwareGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value666259575451494745434543413936353332302925
Percentage of CapitalizedComputerSoftwareGross0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareNet

us-gaap:CapitalizedComputerSoftwareNet


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1816161515141414131312121110109.6729.298.7968.7928.9558.178
Percentage of CapitalizedComputerSoftwareNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareNet us-gaap:PropertyPlantAndEquipmentByType

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1816161515141414131312121110109.6729.298.7968.7928.9558.178
Percentage of CapitalizedComputerSoftwareNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNetCurrent

us-gaap:CapitalizedContractCostNetCurrent


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1312141111119.97.76.8676.8226.5035.8425.4192.429
Percentage of CapitalizedContractCostNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNetNoncurrent

us-gaap:CapitalizedContractCostNetNoncurrent


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value17171515141414121010108.747
Percentage of CapitalizedContractCostNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:CashAndCashEquivalentsFairValueDisclosure

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


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value48966743244245647351117422521847479045359.957293557
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value48966743244245647351117422521847479045359.957293557
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value56874347547749150653919923823560761021031032332608.578
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value5900000.05900000.04800000.05000000.05300000.04400000.03192400.02782700.04140300.03554600.04010900.04321400.04767900.03994500.04905600.05118600.05319300.04389900.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss

us-gaap:ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value841000.0842000.0398000.020000.028000.025000.0
Percentage of ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetAccumulatedAllowanceForCreditLossCurrent

us-gaap:ContractWithCustomerAssetAccumulatedAllowanceForCreditLossCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-30
Value841000.0842000.0398000.020000.0
Percentage of ContractWithCustomerAssetAccumulatedAllowanceForCreditLossCurrent100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetGrossCurrent

us-gaap:ContractWithCustomerAssetGrossCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4235000.05890000.02560000.03514000.03361000.03585000.01959000.0
Percentage of ContractWithCustomerAssetGrossCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3394000.05048000.02162000.03494000.03333000.03560000.01959000.0
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value135.6374.7384.7894.3463.6733.4714.3712.9933.0782.8986.3763.0462.982
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleDebtFairValueDisclosures us-gaap:DebtInstrument

us-gaap:ConvertibleDebtFairValueDisclosures

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Convertible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.27.2265364384306215189
Percentage of ConvertibleDebtFairValueDisclosures100.0100.0100.0100.0100.0100.0100.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueMarchFifteenTwoThousandTwentySix


Convertible
Period End2021-06-302021-03-31
Value383369
Percentage of ConvertibleDebtFairValueDisclosures31950.05125.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Convertible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value616585663596615518450
Percentage of ConvertibleDebtFairValueDisclosures51375.08125.0249.9163.9160.2169.3208.7

us-gaap:ConvertibleDebtNoncurrent

us-gaap:ConvertibleDebtNoncurrent


Convertible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6466384414454414354309796959492919089
Percentage of ConvertibleDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleDebtNoncurrent us-gaap:DebtInstrument

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Convertible
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.4728181807994
Percentage of ConvertibleDebtNoncurrent0.216.418.318.418.418.4100.0

evbg:ZeroPercentConvertibleSeniorNotesDueMarchFifteenTwoThousandTwentySix


Convertible
Period End2021-03-31
Value263
Percentage of ConvertibleDebtNoncurrent41.2

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Convertible
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value373369364359355351
Percentage of ConvertibleDebtNoncurrent58.683.681.781.681.681.6

us-gaap:ConvertibleNotesPayable us-gaap:DebtInstrument

us-gaap:ConvertibleNotesPayable

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Convertible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.2821.413728181807994
Percentage of ConvertibleNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Convertible
Period End2021-06-302021-03-31
Value267263
Percentage of ConvertibleNotesPayable94992.218618.5

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Convertible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value378373369364359355351
Percentage of ConvertibleNotesPayable134174.826445.3509.1447.4442.7442.9443.1

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentCarryingAmount

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5858232323
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value-39.301-39.064-21.318-19.167-14.555-14.555-14.55522
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-11-30
Value0.31.5387990929292115115
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:SubsidiarySaleOfStock

evbg:ZeroPercentConvertibleSeniorNotesDueMarchFifteenTwoThousandTwentySix, us-gaap:OverAllotmentOption


Debt
Period End2021-03-31
Value50
Percentage of DebtInstrumentFaceAmount3251.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix, us-gaap:OverAllotmentOption


Debt
Period End2021-03-31
Value50
Percentage of DebtInstrumentFaceAmount3251.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6.936.936.936.930.06930.06930.0693
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0100.0

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Debt
Period End2021-03-312020-09-302019-12-31
Value5.134.640.0464
Percentage of DebtInstrumentInterestRateEffectivePercentage74.067.067.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.165.165.165.160.05160.05160.0516
Percentage of DebtInstrumentInterestRateEffectivePercentage74.574.574.574.574.574.574.5

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:Range, us-gaap:DebtInstrument

srt:Minimum, evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Debt
Period End2021-06-302020-12-31
Value4.874.64
Percentage of DebtInstrumentInterestRateEffectivePercentage70.367.0

us-gaap:DebtInstrumentRepurchasedFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentRepurchasedFaceAmount

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-03-31
Value58
Percentage of DebtInstrumentRepurchasedFaceAmount100.0

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwoRepurchase


Debt
Period End2021-06-302021-03-312019-12-31
Value585823
Percentage of DebtInstrumentRepurchasedFaceAmount0.0100.00.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscount

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.0210.1257.3139.52810111220
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Debt
Period End2021-06-302021-03-31
Value107111
Percentage of DebtInstrumentUnamortizedDiscount510104.889536.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value71768085909498
Percentage of DebtInstrumentUnamortizedDiscount341081.061062.41107.2897.9841.9804.8774.4

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.72.73636
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value4944168.079
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-312018-12-312017-12-312016-12-312015-12-31
Value555000.0549000.0292000.0441000.0359000.0
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-31
Value2448000.02416000.0836000.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value735034141815
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7483000.06967000.02343000.01643000.0423000.0411000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value9000.09000.011000.09000.031000.050000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3066000.02837000.02057000.01474000.01091000.01341000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpense

us-gaap:DeferredTaxLiabilitiesDeferredExpense


Deferred
Period End2020-12-312019-12-312018-12-31
Value5996000.04308000.03215000.0
Percentage of DeferredTaxLiabilitiesDeferredExpense100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value187.9487.2952.212.1731.524
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312016-12-312015-12-31
Value134000.0352000.028000.016000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312017-12-312016-12-312015-12-31
Value685000.0296000.0190000.0166000.0282000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2625272823262219141817141215119.7788.0158.4037.4567.626.062
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

evbg:PerformanceBasedRestrictedStockUnits


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value503337393132303116134.80.4
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value65475047373734222220128.99.38.46.3
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized128.9139.3135.2118.7119.9116.6114.5134.80.0148.2258.32225.00.00.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:PlanName

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

evbg:TwoThousandSixteenEmployeeStockPurchasePlan


Employee
Period End2021-06-302021-03-312020-12-312020-09-30
Value300000.0700000.0400000.0800000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2021-06-302021-03-312020-12-312020-09-302017-12-312017-06-302016-12-312015-12-31
Value0.50.91.43.7148.06.66.8
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1819107.9964.2922.530.550.550.6740.6821.7055.445.4170.3880.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value5041342721201713108.79312119.2327.6666.7225.8384.8813.913.2123.0492.615
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value312522171412108.0316.3485.2267.3356.5415.3854.4223.8943.452.9542.4492.081.9611.629
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization62.162.264.965.166.459.260.259.059.459.459.659.158.357.757.959.160.562.664.864.362.3

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9.7547.8795.3224.142.9664.8584.2323.4122.8152.4533.2253.0062.622.2822.0171.7241.4151.1020.8780.8520.763
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization19.318.915.615.013.523.324.225.026.327.926.227.228.429.830.029.529.028.227.327.929.2

us-gaap:TradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-31
Value9.4047.8736.6385.4964.4143.6512.7241.941.291.1141.5261.3181.0570.8220.7010.2540.2360.223
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization18.618.919.519.920.117.515.614.212.112.712.411.911.410.710.47.97.78.5

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value14
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value41282722
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2021-06-302021-03-312020-09-30
Value22235.681
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value11
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value23131712
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value31201914
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value36232419
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2671721471261081048484353035333315151515147.1525.7876.734
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value198119100978277636328232623238.6698.5568.5378.4078.2244.7794.1364.941
Percentage of FiniteLivedIntangibleAssetsGross74.469.468.176.776.173.975.374.979.778.576.072.172.255.555.755.755.455.166.871.573.4

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4235311411139.4859.4364.3033.9825.095.7365.7394.0754.0654.0654.0353.9931.491.1011.211
Percentage of FiniteLivedIntangibleAssetsGross15.920.421.511.411.013.011.211.212.013.114.317.317.426.126.526.526.626.720.819.018.0

us-gaap:TradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-31
Value25171515141311112.7682.5463.1933.2533.2312.6342.4950.8830.550.582
Percentage of FiniteLivedIntangibleAssetsGross9.610.110.412.012.913.113.513.67.78.49.09.89.816.916.212.39.58.6

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value216130113988683677025212322237.9528.6349.49910113.942.7384.119
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value6715000.05248000.05558000.05410000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value3494000.04173000.01349000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

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

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.9220.8211.0110.8520.9380.00.00.0
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1819107.9964.2922.530.550.550.6740.6821.7055.445.4170.388
Percentage of LiabilitiesFairValueDisclosure2036.32354.61050.3938.5457.60.00.00.00.00.00.00.00.00.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1920118.8485.232.530.550.550.6740.6821.7055.445.4170.388
Percentage of LiabilitiesFairValueDisclosure2136.32454.61150.31038.5557.60.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtMaturingInYearsFourAndFive us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturingInYearsFourAndFive

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Long
Period End2020-12-31
Value450
Percentage of LongTermDebtMaturingInYearsFourAndFive100.0

us-gaap:LongTermDebtMaturingInYearsTwoAndThree us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturingInYearsTwoAndThree

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Long
Period End2020-12-31
Value79
Percentage of LongTermDebtMaturingInYearsTwoAndThree100.0

us-gaap:NotesPayableFairValueDisclosure us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis

us-gaap:NotesPayableFairValueDisclosure

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo, us-gaap:CarryingReportedAmountFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.2821.413728181807994
Percentage of NotesPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo, us-gaap:EstimateOfFairValueFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.2247.17265363384306215189
Percentage of NotesPayableFairValueDisclosure434.0507.4366.3446.8472.4381.7272.4201.7

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix, us-gaap:CarryingReportedAmountFairValueDisclosure


Notes
Period End2021-06-302021-03-31
Value267263
Percentage of NotesPayableFairValueDisclosure94992.218618.5

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix, us-gaap:EstimateOfFairValueFairValueDisclosure


Notes
Period End2021-06-302021-03-31
Value383369
Percentage of NotesPayableFairValueDisclosure135957.426114.6

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour, us-gaap:CarryingReportedAmountFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value378373369364359355351
Percentage of NotesPayableFairValueDisclosure134174.826445.3509.1447.4442.7442.9443.1

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour, us-gaap:EstimateOfFairValueFairValueDisclosure


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value616585663596615518450
Percentage of NotesPayableFairValueDisclosure218617.041401.3915.6732.5756.6646.4568.5

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6.236.977.07.00.070.070.07
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value240165104524639
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value4825254.6
Percentage of OperatingLossCarryforwards20.215.524.38.8

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value22213485454036
Percentage of OperatingLossCarryforwards92.681.481.887.087.793.4

us-gaap:OperatingLossCarryforwardsValuationAllowance us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value2924254.5
Percentage of OperatingLossCarryforwardsValuationAllowance100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value13131112109.9496.675108.3589.1234.895.3534.9494.2142.5633.5643.0563.0831.772.5591.371
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseNoncurrent

us-gaap:PrepaidExpenseNoncurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1795000.01574000.01943000.02437000.02372000.02707000.02009000.0
Percentage of PrepaidExpenseNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedCashCurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4666000.04667000.04667000.04767000.04792000.04756000.04737000.01026000.094000.093000.090000.023000.0297000.0
Percentage of RestrictedCashCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashNoncurrent

us-gaap:RestrictedCashNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3785000.03788000.03792000.03558000.03354000.03353000.03350000.0
Percentage of RestrictedCashNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation us-gaap:ProductOrService

us-gaap:RevenueRemainingPerformanceObligation

evbg:ProfessionalServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1111168.77.65.76.912
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0100.0

evbg:SubscriptionAndOtherContracts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value250223212322311298
Percentage of RevenueRemainingPerformanceObligation2161.21941.71289.73708.04093.45229.8

evbg:SubscriptionServicesAndLicense


Revenue
Period End2021-06-302021-03-312020-12-31
Value412366358
Percentage of RevenueRemainingPerformanceObligation3554.33190.42172.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value22213442594737286162593215105.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value20.9819.9621.6921.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value24.224.2425.527.7118.2117.816.378.1313.5112.3311.4510.399.458.417.436.816.071.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased us-gaap:Range, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased

srt:Maximum, evbg:MarketBasedRestrictedStockUnits


Share
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value45.1745.1751.9951.9938.545.1751.9951.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased100.0100.0100.0100.0100.0100.0100.0100.0

srt:Minimum, evbg:MarketBasedRestrictedStockUnits


Share
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value33.0633.0623.1623.1623.1633.0623.1623.16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased73.273.244.544.560.273.244.544.5

us-gaap:SharePrice us-gaap:BusinessAcquisition

us-gaap:SharePrice

evbg:RedSkyTechnologiesInc


Share
Period End2021-01-15
Value141.46
Percentage of SharePrice100.0

evbg:SnapCommsLimited


Share
Period End2020-08-04
Value145.13
Percentage of SharePrice0.0

evbg:XMattersHoldingsInc


Share
Period End2021-05-07
Value116.12
Percentage of SharePrice0.0

us-gaap:SharePrice us-gaap:DebtInstrument

evbg:OnePointFiveZeroPercentConvertibleSeniorNotesDueTwoThousandTwentyTwo


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value136.08121.18149.07125.73138.36106.3678.08
Percentage of SharePrice0.00.00.00.00.00.00.0

evbg:ZeroPercentConvertibleSeniorNotesDueTwoThousandTwentySix


Share
Period End2021-06-302021-03-31
Value136.08121.18
Percentage of SharePrice0.00.0

evbg:ZeroPointOneTwoFivePercentConvertibleSeniorNotesDueTwoThousandTwentyFour


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value136.08121.18149.07125.73138.36106.3678.08
Percentage of SharePrice0.00.00.00.00.00.00.0

us-gaap:SharePrice us-gaap:Range, us-gaap:AwardType

srt:Maximum, evbg:PerformanceBasedRestrictedStockUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value146.69146.69158.95158.95158.95108.9598.9298.9285.6364.8658.8258.75
Percentage of SharePrice0.00.00.00.00.00.00.00.00.00.00.00.0

srt:Minimum, evbg:PerformanceBasedRestrictedStockUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value118.04118.582.2382.2382.2382.2354.8354.8354.8354.8323.1743.86
Percentage of SharePrice0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value35.3833.3431.2831.4729.527.7826.9326.5825.6524.5322.9119.2718.414.4713.7312.4412.2410.87
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2020-12-31
Value7500000.0
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value20000.022000.015000.011000.08000.00
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.00.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:InterestExpenseDebt
us-gaap:DebtInstrument
(None,)
Interest Expense Debtus-gaap: Debt Instrument
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Geographical
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument
(None,)
Debt Instrument Interest Rate Stated Percentageus-gaap: Debt Instrument