i false i 0001237746 i P39M i P24M i 0.0875 i 0.0675 i 0.0668 i 0.0514 i 0.0644 i 0.0546 i 0.0644 i 0.0545 i 0.100 i P3Y i P3Y i P3Y i P4Y i P4Y i P3Y i P3Y i 0.333 i 250000000 i 250000000 i 0 i 0.0001 i 500000000 i 143444515 i 146259868 i 143444178 i 146259868 i 0 i 7000000 i 21349000 i 16859000 i 31992000 i 25690000 i 18731000 i 25207000 i 11000 i 137000 i 102000 i 0.0001 i 0.0001 i 5000000 i 0 i 0 i 0 i P3Y i P2Y i 0 i 500000 i P1Y i P1Y i P1Y i i i i P3Y i P3Y i P3Y i P4Y i P3Y
0001237746
2019-01-01
2019-12-31
0001237746
2020-05-19
2020-05-19
0001237746
2018-12-31
0001237746
2019-12-31
0001237746
2018-01-01
2018-12-31
0001237746
2017-01-01
2017-12-31
0001237746
us-gaap:AccumulatedOtherComprehensiveIncomeMember
2016-12-31
0001237746
us-gaap:CommonStockMember
2018-01-01
2018-12-31
0001237746
us-gaap:CommonStockMember
2017-12-31
0001237746
us-gaap:AdditionalPaidInCapitalMember
2017-12-31
0001237746
us-gaap:AccumulatedOtherComprehensiveIncomeMember
2017-12-31
0001237746
2018-01-01
0001237746
us-gaap:AdditionalPaidInCapitalMember
2017-01-01
2017-12-31
0001237746
us-gaap:AccumulatedOtherComprehensiveIncomeMember
2019-01-01
2019-12-31
0001237746
us-gaap:CommonStockMember
2016-12-31
0001237746
us-gaap:AdditionalPaidInCapitalMember
2018-12-31
0001237746
us-gaap:AccumulatedOtherComprehensiveIncomeMember
2019-12-31
0001237746
us-gaap:CommonStockMember
2019-01-01
2019-12-31
0001237746
us-gaap:RetainedEarningsMember
2016-12-31
0001237746
us-gaap:CommonStockMember
2017-01-01
2017-12-31
0001237746
2016-12-31
0001237746
us-gaap:AccumulatedOtherComprehensiveIncomeMember
2018-01-01
2018-12-31
0001237746
us-gaap:RetainedEarningsMember
2019-01-01
2019-12-31
0001237746
us-gaap:AdditionalPaidInCapitalMember
2016-12-31
0001237746
us-gaap:CommonStockMember
2018-12-31
0001237746
us-gaap:CommonStockMember
2019-12-31
0001237746
us-gaap:AdditionalPaidInCapitalMember
2019-01-01
2019-12-31
0001237746
us-gaap:RetainedEarningsMember
2017-12-31
0001237746
us-gaap:AccumulatedOtherComprehensiveIncomeMember
2017-01-01
2017-12-31
0001237746
2017-12-31
0001237746
us-gaap:AccumulatedOtherComprehensiveIncomeMember
2018-12-31
0001237746
us-gaap:AdditionalPaidInCapitalMember
2019-12-31
0001237746
us-gaap:RetainedEarningsMember
2019-12-31
0001237746
us-gaap:RetainedEarningsMember
2018-12-31
0001237746
us-gaap:AdditionalPaidInCapitalMember
2018-01-01
2018-12-31
0001237746
us-gaap:RetainedEarningsMember
2018-01-01
2018-12-31
0001237746
us-gaap:RetainedEarningsMember
2017-01-01
2017-12-31
0001237746
us-gaap:AccountingStandardsUpdate201409Member
2018-01-01
2018-01-01
0001237746
us-gaap:BuildingMember
2019-01-01
2019-12-31
0001237746
us-gaap:FurnitureAndFixturesMember
2019-01-01
2019-12-31
0001237746
us-gaap:OfficeEquipmentMember
2019-01-01
2019-12-31
0001237746
eigi:WebHostingMember
srt:MinimumMember
2019-01-01
2019-12-31
0001237746
eigi:WebHostingMember
srt:WeightedAverageMember
2019-01-01
2019-12-31
0001237746
us-gaap:MeasurementInputDiscountRateMember
2017-12-31
0001237746
eigi:ReportingUnitsRepresenting2OfGoodwillMember
2019-01-01
2019-12-31
0001237746
eigi:ReportingUnitsWithGoodwillAllocatedMember
2019-10-31
2019-10-31
0001237746
eigi:ReportingUnitsRepresenting3OfGoodwillMember
2019-01-01
2019-12-31
0001237746
us-gaap:AccountingStandardsUpdate201602Member
2019-01-01
0001237746
eigi:DomainNameBusinessMember
2019-06-30
0001237746
eigi:CombinationofDifferentLegacyBrandsMember
2019-12-31
0001237746
eigi:ReportingUnitsRepresenting3OfGoodwillMember
2018-12-31
0001237746
eigi:DomainNameIntangibleAssetsMember
2017-01-01
2017-12-31
0001237746
us-gaap:MeasurementInputDiscountRateMember
2019-12-31
0001237746
eigi:WebpresenceMember
2019-12-31
0001237746
us-gaap:MeasurementInputDiscountRateMember
eigi:ReportingUnit2UsingOtherDiscountRateMember
2019-12-31
0001237746
eigi:DigitalmarketingMember
2019-12-31
0001237746
eigi:DevelopedTechnologyAndCustomerRelationshipsMember
2017-01-01
2017-12-31
0001237746
us-gaap:MeasurementInputDiscountRateMember
eigi:ReportingUnitsRepresenting2OfGoodwillMember
2019-12-31
0001237746
us-gaap:MeasurementInputDiscountRateMember
eigi:ReportingUnit1UsingOtherDiscountRateMember
2019-12-31
0001237746
2019-04-01
2019-06-30
0001237746
eigi:WebpresenceMember
2019-01-01
2019-12-31
0001237746
eigi:ReportingUnitsRepresenting97OfGoodwillMember
2019-01-01
2019-12-31
0001237746
eigi:DigitalmarketingMember
2019-01-01
2019-12-31
0001237746
eigi:ReportingUnitsWhoseFairValueExceedsCarryingValueBy20Member
2019-01-01
2019-12-31
0001237746
eigi:DomainNameBusinessMember
2019-04-01
2019-06-30
0001237746
2019-10-31
2019-10-31
0001237746
eigi:WebHostingMember
srt:MaximumMember
2019-01-01
2019-12-31
0001237746
eigi:ReportingUnitsRepresenting3OfGoodwillUnit1Member
2019-01-01
2019-12-31
0001237746
eigi:ReportingUnitsWithGoodwillAndNoImpairmentMember
2017-01-01
2017-12-31
0001237746
2019-10-01
2019-12-31
0001237746
eigi:EcomdashMember
2019-12-31
0001237746
eigi:ReportingUnitsWhoseFairValueDoesNotExceedCarryingValueBy20Unit1Member
2019-12-31
0001237746
eigi:ReportingUnitsRepresenting3OfGoodwillUnit2Member
2019-01-01
2019-12-31
0001237746
eigi:CombinationofDifferentLegacyBrandsMember
2019-01-01
2019-12-31
0001237746
eigi:DomainNameBusinessMember
2019-01-01
2019-10-31
0001237746
eigi:DomainNameBusinessMember
2019-10-31
0001237746
eigi:DomainNameBusinessMember
eigi:DomainMonetizationMember
2017-10-31
2017-10-31
0001237746
eigi:ReportingUnitsRepresenting95OfGoodwillMember
2019-01-01
2019-12-31
0001237746
us-gaap:MeasurementInputDiscountRateMember
eigi:ReportingUnit3UsingOtherDiscountRateMember
2019-12-31
0001237746
2020-01-01
eigi:DigitalmarketingMember
2019-12-31
0001237746
2021-01-01
eigi:DigitalmarketingMember
2019-12-31
0001237746
2020-01-01
eigi:WebpresenceMember
2019-12-31
0001237746
2021-01-01
2019-12-31
0001237746
2020-01-01
2019-12-31
0001237746
eigi:DigitalmarketingMember
2019-12-31
0001237746
2021-01-01
eigi:WebpresenceMember
2019-12-31
0001237746
eigi:WebpresenceMember
2019-12-31
0001237746
us-gaap:AccountingStandardsUpdate201409Member
us-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member
2019-01-01
2019-12-31
0001237746
us-gaap:RestrictedStockMember
2017-01-01
2017-12-31
0001237746
us-gaap:OptionMember
2017-01-01
2017-12-31
0001237746
us-gaap:OptionMember
2019-01-01
2019-12-31
0001237746
us-gaap:RestrictedStockMember
2018-01-01
2018-12-31
0001237746
us-gaap:OptionMember
2018-01-01
2018-12-31
0001237746
us-gaap:RestrictedStockMember
2019-01-01
2019-12-31
0001237746
srt:MinimumMember
us-gaap:SoftwareAndSoftwareDevelopmentCostsMember
2019-01-01
2019-12-31
0001237746
srt:MaximumMember
us-gaap:SoftwareAndSoftwareDevelopmentCostsMember
2019-01-01
2019-12-31
0001237746
us-gaap:MeasurementInputDiscountRateMember
2018-12-31
0001237746
eigi:EcomdashMember
2019-09-13
2019-09-13
0001237746
us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
eigi:SinglePlatformMember
2019-01-01
2019-12-31
0001237746
us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
eigi:SinglePlatformMember
2019-10-01
2019-12-31
0001237746
us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
eigi:SinglePlatformMember
2018-01-01
2018-12-31
0001237746
us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
eigi:SinglePlatformMember
2019-12-05
2019-12-05
0001237746
eigi:EcomdashMember
2019-09-13
0001237746
eigi:EcomdashMember
eigi:SubscriberRelationshipsMember
2019-09-13
0001237746
eigi:EcomdashMember
eigi:DevelopedTechnologyMember
2019-09-13
0001237746
us-gaap:FairValueInputsLevel3Member
us-gaap:FairValueMeasurementsRecurringMember
2018-12-31
0001237746
us-gaap:FairValueInputsLevel2Member
us-gaap:FairValueMeasurementsRecurringMember
2019-12-31
0001237746
us-gaap:FairValueMeasurementsRecurringMember
2018-12-31
0001237746
us-gaap:FairValueInputsLevel2Member
us-gaap:FairValueMeasurementsRecurringMember
2018-12-31
0001237746
us-gaap:FairValueInputsLevel1Member
us-gaap:FairValueMeasurementsRecurringMember
2018-12-31
0001237746
us-gaap:FairValueInputsLevel1Member
us-gaap:FairValueMeasurementsRecurringMember
2019-12-31
0001237746
us-gaap:FairValueMeasurementsRecurringMember
2019-12-31
0001237746
us-gaap:FairValueInputsLevel3Member
us-gaap:FairValueMeasurementsRecurringMember
2019-12-31
0001237746
us-gaap:InterestRateCapMember
us-gaap:CashFlowHedgingMember
2019-01-01
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
us-gaap:CashFlowHedgingMember
2018-06-30
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
us-gaap:CashFlowHedgingMember
us-gaap:DesignatedAsHedgingInstrumentMember
2018-01-01
2018-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
2018-12-31
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
us-gaap:CashFlowHedgingMember
us-gaap:DesignatedAsHedgingInstrumentMember
2019-01-01
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
us-gaap:CashFlowHedgingMember
us-gaap:DesignatedAsHedgingInstrumentMember
2018-01-01
2018-12-31
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
us-gaap:FairValueMeasurementsRecurringMember
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
us-gaap:FairValueMeasurementsRecurringMember
2018-12-31
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
us-gaap:CashFlowHedgingMember
2018-01-01
2018-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
us-gaap:CashFlowHedgingMember
us-gaap:DesignatedAsHedgingInstrumentMember
2019-01-01
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
us-gaap:CashFlowHedgingMember
us-gaap:DesignatedAsHedgingInstrumentMember
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
2018-01-01
2018-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
us-gaap:CashFlowHedgingMember
2015-12-31
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
us-gaap:CashFlowHedgingMember
2019-01-01
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
us-gaap:CashFlowHedgingMember
us-gaap:DesignatedAsHedgingInstrumentMember
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
2019-01-01
2019-12-31
0001237746
us-gaap:CashFlowHedgingMember
2019-01-01
2019-12-31
0001237746
eigi:InterestRateCapEnteredIntoJune2018Member
2018-06-01
2018-06-30
0001237746
eigi:InterestRateCapEnteredIntoDecember2015Member
2015-12-01
2015-12-31
0001237746
us-gaap:SoftwareAndSoftwareDevelopmentCostsMember
2018-12-31
0001237746
us-gaap:SoftwareAndSoftwareDevelopmentCostsMember
2019-12-31
0001237746
us-gaap:LandMember
2018-12-31
0001237746
us-gaap:LeaseholdImprovementsMember
2019-12-31
0001237746
us-gaap:BuildingMember
2019-12-31
0001237746
us-gaap:ConstructionInProgressMember
2019-12-31
0001237746
us-gaap:OfficeEquipmentMember
2019-12-31
0001237746
us-gaap:FurnitureAndFixturesMember
2019-12-31
0001237746
us-gaap:FurnitureAndFixturesMember
2018-12-31
0001237746
us-gaap:BuildingMember
2018-12-31
0001237746
us-gaap:ConstructionInProgressMember
2018-12-31
0001237746
us-gaap:OfficeEquipmentMember
2018-12-31
0001237746
us-gaap:LeaseholdImprovementsMember
2018-12-31
0001237746
us-gaap:LandMember
2019-12-31
0001237746
srt:MaximumMember
2018-01-01
2018-12-31
0001237746
srt:MinimumMember
2018-01-01
2018-12-31
0001237746
srt:MinimumMember
2019-01-01
2019-12-31
0001237746
srt:MaximumMember
2019-01-01
2019-12-31
0001237746
eigi:WebpresenceMember
2018-12-31
0001237746
eigi:WebpresenceMember
2018-01-01
2018-12-31
0001237746
eigi:DigitalmarketingMember
2018-12-31
0001237746
eigi:DigitalmarketingMember
2018-01-01
2018-12-31
0001237746
eigi:WebpresenceMember
2017-12-31
0001237746
eigi:DigitalmarketingMember
2017-12-31
0001237746
us-gaap:DevelopedTechnologyRightsMember
2019-12-31
0001237746
us-gaap:TradeNamesMember
2019-12-31
0001237746
us-gaap:IntellectualPropertyMember
2019-12-31
0001237746
us-gaap:CustomerRelationshipsMember
2019-12-31
0001237746
eigi:AvailableForSaleMember
2019-12-31
0001237746
us-gaap:TradeNamesMember
2019-01-01
2019-12-31
0001237746
us-gaap:DevelopedTechnologyRightsMember
2019-01-01
2019-12-31
0001237746
eigi:AvailableForSaleMember
2019-01-01
2019-12-31
0001237746
us-gaap:CustomerRelationshipsMember
2019-01-01
2019-12-31
0001237746
us-gaap:IntellectualPropertyMember
2019-01-01
2019-12-31
0001237746
us-gaap:DevelopedTechnologyRightsMember
2018-12-31
0001237746
us-gaap:CustomerRelationshipsMember
2018-12-31
0001237746
us-gaap:TradeNamesMember
2018-12-31
0001237746
us-gaap:IntellectualPropertyMember
2018-01-01
2018-12-31
0001237746
us-gaap:IntellectualPropertyMember
2018-12-31
0001237746
eigi:AvailableForSaleMember
2018-12-31
0001237746
us-gaap:TradeNamesMember
2018-01-01
2018-12-31
0001237746
us-gaap:CustomerRelationshipsMember
2018-01-01
2018-12-31
0001237746
us-gaap:DevelopedTechnologyRightsMember
2018-01-01
2018-12-31
0001237746
eigi:WebandMoneyManagementSolutionMember
2017-01-01
2017-12-31
0001237746
eigi:AutomatticMember
2014-05-01
2014-05-31
0001237746
srt:MinimumMember
eigi:WzUkLtdMember
2019-12-31
0001237746
eigi:WebandMoneyManagementSolutionMember
2016-03-03
0001237746
eigi:FortificoLimitedMember
2016-04-08
0001237746
eigi:FortificoLimitedMember
2016-01-01
2016-12-31
0001237746
eigi:FortificoLimitedMember
2016-12-31
0001237746
eigi:AutomatticMember
2014-05-31
0001237746
srt:MinimumMember
2019-12-31
0001237746
srt:MaximumMember
2019-12-31
0001237746
eigi:VoluntaryPrepaymentNumberOneMember
eigi:A2018FirstLienTermLoanMember
2019-01-01
2019-12-31
0001237746
eigi:OneMandatoryPaymentMember
eigi:A2018FirstLienTermLoanMember
2019-01-01
2019-12-31
0001237746
us-gaap:RevolvingCreditFacilityMember
eigi:LiborBasedInterestRateLoanMember
2016-02-09
2016-02-09
0001237746
us-gaap:RevolvingCreditFacilityMember
eigi:LiborBasedInterestRateLoanMember
2016-02-09
0001237746
us-gaap:RevolvingCreditFacilityMember
eigi:LiborBasedInterestRateLoanMember
us-gaap:LondonInterbankOfferedRateLIBORMember
2016-02-09
2016-02-09
0001237746
us-gaap:RevolvingCreditFacilityMember
eigi:A2016RevolverCommitmentsMaturingFebruary2021Member
2018-06-30
0001237746
eigi:A2018FirstLienTermLoanMember
2019-01-01
2019-12-31
0001237746
eigi:ExtendedRevolvingLoanMember
eigi:AlternateBaseRateLoansMember
2016-02-09
2016-02-09
0001237746
eigi:A10.875Notesdue2024Member
2017-01-30
0001237746
eigi:A2018FirstLienTermLoanMember
2019-12-31
0001237746
eigi:A10.875Notesdue2024Member
2019-01-01
2019-12-31
0001237746
eigi:ExtendedRevolvingLoanMember
eigi:LiborBasedInterestRateLoanMember
2016-02-09
0001237746
eigi:FirstLienTermLoanMember
2018-04-01
2018-06-30
0001237746
us-gaap:RevolvingCreditFacilityMember
2016-02-09
0001237746
eigi:FirstLienTermLoanMember
2018-06-30
0001237746
eigi:A10.875Notesdue2024Member
2016-02-09
0001237746
us-gaap:RevolvingCreditFacilityMember
2016-02-09
2016-02-09
0001237746
eigi:A2018FirstLienTermLoanMember
us-gaap:LondonInterbankOfferedRateLIBORMember
2019-01-01
2019-12-31
0001237746
eigi:A2018FirstLienTermLoanMember
us-gaap:FederalFundsEffectiveSwapRateMember
2019-01-01
2019-12-31
0001237746
us-gaap:RevolvingCreditFacilityMember
eigi:A2016RevolverCommitmentsMaturingJune2023Member
2018-06-30
0001237746
eigi:LiborRevolverLoanMember
2019-12-31
0001237746
eigi:FirstLienTermLoanMember
2018-12-31
0001237746
eigi:A10.875Notesdue2024Member
2019-12-31
0001237746
eigi:A10.875Notesdue2024Member
2018-12-31
0001237746
eigi:LiborRevolverLoanMember
2018-12-31
0001237746
eigi:FirstLienTermLoanMember
2019-12-31
0001237746
eigi:A10.875Notesdue2024Member
2017-12-31
0001237746
srt:MinimumMember
2017-01-01
2017-12-31
0001237746
srt:MaximumMember
2017-01-01
2017-12-31
0001237746
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2018-01-01
2018-12-31
0001237746
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2017-01-01
2017-12-31
0001237746
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-12-31
0001237746
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2018-12-31
0001237746
us-gaap:ResearchAndDevelopmentExpenseMember
2017-01-01
2017-12-31
0001237746
us-gaap:GeneralAndAdministrativeExpenseMember
2019-01-01
2019-12-31
0001237746
us-gaap:CostOfSalesMember
2017-01-01
2017-12-31
0001237746
us-gaap:CostOfSalesMember
2019-01-01
2019-12-31
0001237746
us-gaap:GeneralAndAdministrativeExpenseMember
2017-01-01
2017-12-31
0001237746
us-gaap:SellingAndMarketingExpenseMember
2019-01-01
2019-12-31
0001237746
us-gaap:ResearchAndDevelopmentExpenseMember
2019-01-01
2019-12-31
0001237746
us-gaap:SellingAndMarketingExpenseMember
2017-01-01
2017-12-31
0001237746
us-gaap:CostOfSalesMember
2018-01-01
2018-12-31
0001237746
us-gaap:ResearchAndDevelopmentExpenseMember
2018-01-01
2018-12-31
0001237746
us-gaap:SellingAndMarketingExpenseMember
2018-01-01
2018-12-31
0001237746
us-gaap:GeneralAndAdministrativeExpenseMember
2018-01-01
2018-12-31
0001237746
us-gaap:RestrictedStockMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-12-31
0001237746
us-gaap:RestrictedStockMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:RestrictedStockMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2018-12-31
0001237746
us-gaap:RestrictedStockMember
eigi:ConstantContact2011StockPlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:RestrictedStockMember
eigi:ConstantContact2011StockPlanMember
2018-12-31
0001237746
us-gaap:RestrictedStockMember
eigi:ConstantContact2011StockPlanMember
2019-12-31
0001237746
eigi:ConstantContact2011StockPlanMember
2019-01-01
2019-12-31
0001237746
eigi:ConstantContact2011StockPlanMember
2019-12-31
0001237746
eigi:ConstantContact2011StockPlanMember
2018-12-31
0001237746
eigi:ConstantContact2011StockPlanMember
2016-02-09
0001237746
srt:ChiefExecutiveOfficerMember
eigi:A2015PerformanceBasedAwardMember
2019-01-01
2019-12-31
0001237746
eigi:Combined2016LiabilityAwardsMember
2016-01-01
2016-12-31
0001237746
srt:ChiefExecutiveOfficerMember
us-gaap:RestrictedStockMember
eigi:A2017CEOAwardMember
us-gaap:ShareBasedCompensationAwardTrancheOneMember
2019-12-31
0001237746
eigi:PerformanceBasedVestingStockAwardsMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2016-01-01
2016-12-31
0001237746
eigi:Combined2016LiabilityAwardsMember
2017-01-01
2017-12-31
0001237746
eigi:ConstantContact2011StockPlanMember
2018-01-01
2018-12-31
0001237746
us-gaap:EmployeeStockOptionMember
eigi:ConstantContact2011StockPlanMember
2019-01-01
2019-12-31
0001237746
srt:ChiefExecutiveOfficerMember
us-gaap:RestrictedStockMember
eigi:A2017CEOAwardMember
2017-08-22
2017-08-22
0001237746
eigi:ConstantContactIncMember
2016-02-09
0001237746
eigi:ConstantContact2011StockPlanMember
2016-02-09
2016-02-09
0001237746
srt:ChiefExecutiveOfficerMember
eigi:A2015PerformanceBasedAwardMember
2015-01-01
2015-12-31
0001237746
srt:ChiefExecutiveOfficerMember
eigi:A2015PerformanceBasedAwardMember
2016-01-01
2016-12-31
0001237746
srt:ChiefFinancialOfficerMember
eigi:PerformanceBasedVestingStockAwardsMember
2017-01-01
2017-03-31
0001237746
us-gaap:EmployeeStockOptionMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
eigi:A2017CEOAwardMember
2017-01-01
2017-12-31
0001237746
eigi:PerformanceBasedVestingStockAwardsMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2017-01-01
2017-12-31
0001237746
us-gaap:GeneralAndAdministrativeExpenseMember
eigi:Combined2016LiabilityAwardsMember
2016-01-01
2016-12-31
0001237746
srt:ChiefExecutiveOfficerMember
us-gaap:EmployeeStockOptionMember
eigi:A2017CEOAwardMember
2017-08-22
2017-08-22
0001237746
srt:ChiefExecutiveOfficerMember
us-gaap:RestrictedStockMember
eigi:A2017CEOAwardMember
2019-12-31
0001237746
us-gaap:ResearchAndDevelopmentExpenseMember
eigi:Combined2016LiabilityAwardsMember
2016-01-01
2016-12-31
0001237746
srt:ChiefExecutiveOfficerMember
eigi:PerformanceBasedVestingStockAwardsMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2015-01-01
2015-12-31
0001237746
srt:ChiefExecutiveOfficerMember
eigi:A2015PerformanceBasedAwardMember
2019-12-31
0001237746
eigi:ChiefAdministrativeOfficerMember
eigi:PerformanceBasedVestingStockAwardsMember
2017-01-01
2017-03-31
0001237746
us-gaap:EmployeeStockOptionMember
eigi:ConstantContact2011StockPlanMember
2016-02-09
2016-02-09
0001237746
us-gaap:SellingAndMarketingExpenseMember
eigi:Combined2016LiabilityAwardsMember
2016-01-01
2016-12-31
0001237746
srt:ChiefExecutiveOfficerMember
eigi:A2015PerformanceBasedAwardMember
2017-01-01
2017-12-31
0001237746
us-gaap:RestrictedStockMember
2019-12-31
0001237746
us-gaap:EmployeeStockOptionMember
2019-12-31
0001237746
eigi:A2017CEOAwardMember
2017-08-11
2017-08-11
0001237746
us-gaap:RestrictedStockMember
eigi:ConstantContact2011StockPlanMember
2016-02-09
2016-02-09
0001237746
srt:ChiefOperatingOfficerMember
eigi:PerformanceBasedVestingStockAwardsMember
2017-01-01
2017-03-31
0001237746
us-gaap:RestrictedStockUnitsRSUMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:RestrictedStockUnitsRSUMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-12-31
0001237746
us-gaap:RestrictedStockUnitsRSUMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2018-12-31
0001237746
srt:ChiefExecutiveOfficerMember
us-gaap:RestrictedStockMember
eigi:A2017CEOAwardMember
us-gaap:ShareBasedCompensationAwardTrancheTwoMember
2019-12-31
0001237746
srt:ChiefExecutiveOfficerMember
us-gaap:RestrictedStockMember
eigi:A2017CEOAwardMember
us-gaap:ShareBasedCompensationAwardTrancheThreeMember
2019-12-31
0001237746
us-gaap:EmployeeStockOptionMember
eigi:A2017CEOAwardMember
2019-12-31
0001237746
srt:MinimumMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
srt:MaximumMember
us-gaap:RestrictedStockMember
eigi:ConstantContact2011StockPlanMember
2019-01-01
2019-12-31
0001237746
srt:MinimumMember
us-gaap:RestrictedStockMember
eigi:ConstantContact2011StockPlanMember
2019-01-01
2019-12-31
0001237746
srt:MaximumMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
srt:MaximumMember
us-gaap:RestrictedStockMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
srt:MinimumMember
us-gaap:RestrictedStockMember
eigi:TwoThousandAndThirteenStockIncentivePlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember
2019-12-31
0001237746
us-gaap:AccumulatedTranslationAdjustmentMember
2019-01-01
2019-12-31
0001237746
us-gaap:AccumulatedTranslationAdjustmentMember
2018-12-31
0001237746
us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember
2017-12-31
0001237746
us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember
2018-01-01
2018-12-31
0001237746
us-gaap:AccumulatedTranslationAdjustmentMember
2018-01-01
2018-12-31
0001237746
us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember
2019-01-01
2019-12-31
0001237746
us-gaap:AccumulatedTranslationAdjustmentMember
2017-12-31
0001237746
us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember
2018-12-31
0001237746
us-gaap:AccumulatedTranslationAdjustmentMember
2019-12-31
0001237746
country:US
2018-01-01
2018-12-31
0001237746
us-gaap:NonUsMember
eigi:DigitalmarketingMember
2018-01-01
2018-12-31
0001237746
us-gaap:NonUsMember
2018-01-01
2018-12-31
0001237746
country:US
eigi:DigitalmarketingMember
2018-01-01
2018-12-31
0001237746
eigi:DirectRevenueFromSubscribersMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:WebpresenceMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:ResellerRevenueMember
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:DomainParkingMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:WebpresenceMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:ProfessionalServicesMember
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:MDFMember
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:MDFMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:DirectRevenueFromSubscribersMember
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:ResellerRevenueMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:DomainParkingMember
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:PremiumDomainsMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:PremiumDomainsMember
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2018-01-01
2018-12-31
0001237746
eigi:ProfessionalServicesMember
us-gaap:TransferredOverTimeMember
2018-01-01
2018-12-31
0001237746
eigi:WebpresenceMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:DomainParkingMember
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:ResellerRevenueMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
eigi:WebpresenceMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
eigi:ProfessionalServicesMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
eigi:ProfessionalServicesMember
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
eigi:DomainParkingMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:DirectRevenueFromSubscribersMember
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
eigi:ResellerRevenueMember
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
eigi:PremiumDomainsMember
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:PremiumDomainsMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:MDFMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:DirectRevenueFromSubscribersMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
eigi:MDFMember
eigi:DigitalmarketingMember
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
us-gaap:TransferredAtPointInTimeMember
2019-01-01
2019-12-31
0001237746
eigi:DigitalmarketingMember
us-gaap:TransferredOverTimeMember
2019-01-01
2019-12-31
0001237746
country:US
eigi:DigitalmarketingMember
2019-01-01
2019-12-31
0001237746
us-gaap:NonUsMember
2019-01-01
2019-12-31
0001237746
us-gaap:NonUsMember
eigi:DigitalmarketingMember
2019-01-01
2019-12-31
0001237746
country:US
2019-01-01
2019-12-31
0001237746
eigi:WZUKLtd.Member
2017-07-01
0001237746
eigi:WZUKLtd.Member
2016-01-07
2016-12-31
0001237746
eigi:WZUKLtd.Member
2016-01-06
0001237746
2017-07-01
0001237746
eigi:WZUKLtd.Member
2017-12-31
0001237746
eigi:WZUKLtd.Member
2017-07-01
2017-07-01
0001237746
2016-01-01
2016-12-31
0001237746
eigi:WZUKLtd.Member
2017-07-07
2017-07-07
0001237746
us-gaap:ForeignCountryMember
2017-01-01
2017-12-31
0001237746
us-gaap:ForeignCountryMember
2018-01-01
2018-12-31
0001237746
us-gaap:ForeignCountryMember
2019-01-01
2019-12-31
0001237746
us-gaap:DomesticCountryMember
2019-01-01
2019-12-31
0001237746
us-gaap:DomesticCountryMember
2017-01-01
2017-12-31
0001237746
us-gaap:DomesticCountryMember
2018-01-01
2018-12-31
0001237746
srt:SubsidiariesMember
us-gaap:NonUsMember
2019-12-31
0001237746
eigi:OtherForeignJurisdictionsMember
2019-01-01
2019-12-31
0001237746
country:NL
2019-01-01
2019-12-31
0001237746
eigi:FederalAndStateMember
2017-01-01
2017-12-31
0001237746
country:BR
2019-01-01
2019-12-31
0001237746
us-gaap:DomesticCountryMember
2019-12-31
0001237746
us-gaap:DomesticCountryMember
us-gaap:ResearchMember
2019-12-31
0001237746
us-gaap:ResearchMember
2019-12-31
0001237746
us-gaap:InlandRevenueSingaporeIRASMember
2019-12-31
0001237746
us-gaap:StateAdministrationOfTaxationChinaMember
2019-12-31
0001237746
us-gaap:MinistryOfFinanceIndiaMember
2019-12-31
0001237746
us-gaap:StateAndLocalJurisdictionMember
2019-12-31
0001237746
us-gaap:SecretariatOfTheFederalRevenueBureauOfBrazilMember
2019-12-31
0001237746
us-gaap:TaxAndCustomsAdministrationNetherlandsMember
2019-12-31
0001237746
us-gaap:StateAndLocalJurisdictionMember
us-gaap:ResearchMember
2019-12-31
0001237746
eigi:A2017RestructuringPlanMember
2017-01-01
2017-01-31
0001237746
us-gaap:EmployeeSeveranceMember
eigi:A2018RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
eigi:A2019RestructuringPlanMember
2019-01-01
2019-01-31
0001237746
us-gaap:FacilityClosingMember
eigi:A2018RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:FacilityClosingMember
eigi:A2016RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:EmployeeSeveranceMember
eigi:A2017RestructuringPlanMember
2019-12-31
0001237746
eigi:A2017RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:EmployeeSeveranceMember
eigi:A2016RestructuringPlanMember
2019-12-31
0001237746
eigi:A2019RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:FacilityClosingMember
eigi:A2016RestructuringPlanMember
2019-12-31
0001237746
us-gaap:EmployeeSeveranceMember
eigi:A2019RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
us-gaap:FacilityClosingMember
eigi:A2017RestructuringPlanMember
2019-12-31
0001237746
us-gaap:EmployeeSeveranceMember
eigi:A2018RestructuringPlanMember
2019-12-31
0001237746
us-gaap:FacilityClosingMember
eigi:A2019RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
eigi:A2016RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
eigi:A2018RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
eigi:A2018RestructuringPlanMember
2018-01-01
2018-01-31
0001237746
us-gaap:FacilityClosingMember
eigi:A2018RestructuringPlanMember
2019-12-31
0001237746
us-gaap:EmployeeSeveranceMember
eigi:A2019RestructuringPlanMember
2019-12-31
0001237746
us-gaap:EmployeeSeveranceMember
eigi:A2017RestructuringPlanMember
2019-01-01
2019-12-31
0001237746
eigi:ConstantContactIncMember
eigi:A2017RestructuringPlanMember
2017-01-01
2017-01-31
0001237746
eigi:A2018RestructuringPlanMember
2018-02-01
2018-12-31
0001237746
us-gaap:FacilityClosingMember
eigi:A2019RestructuringPlanMember
2019-12-31
0001237746
us-gaap:FacilityClosingMember
2019-01-01
2019-12-31
0001237746
us-gaap:FacilityClosingMember
2019-12-31
0001237746
us-gaap:AccountingStandardsUpdate201602Member
us-gaap:FacilityClosingMember
2019-01-01
2019-12-31
0001237746
us-gaap:FacilityClosingMember
2018-12-31
0001237746
us-gaap:EmployeeSeveranceMember
2018-12-31
0001237746
us-gaap:EmployeeSeveranceMember
2019-01-01
2019-12-31
0001237746
us-gaap:EmployeeSeveranceMember
2019-12-31
0001237746
eigi:McGeeVsConstantContactMember
eigi:ConstantContactIncMember
2015-08-07
2015-08-07
0001237746
eigi:MachadoMember
2015-05-04
2015-05-04
0001237746
eigi:McGeeVsConstantContactMember
2018-12-31
0001237746
eigi:MachadoMember
2018-12-31
0001237746
eigi:DefinedContributionPlanTrancheTwoMember
2019-01-01
2019-12-31
0001237746
eigi:DefinedContributionPlanTrancheOneMember
2019-01-01
2019-12-31
0001237746
us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember
2017-01-01
2017-12-31
0001237746
us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember
2019-01-01
2019-12-31
0001237746
us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember
2018-01-01
2018-12-31
0001237746
eigi:ChiefExecutiveOfficerAndTwoInvestorsMember
2018-01-01
2018-12-31
0001237746
eigi:ChiefExecutiveOfficerAndTwoInvestorsMember
2017-01-01
2017-12-31
0001237746
eigi:ChiefExecutiveOfficerAndTwoInvestorsMember
2019-01-01
2019-12-31
0001237746
eigi:ChiefExecutiveOfficerAndTwoInvestorsMember
2018-12-31
0001237746
eigi:ChiefExecutiveOfficerAndTwoInvestorsMember
2019-12-31
0001237746
eigi:RelatedPartyLoanLendingCommitmentArrangementFeesMember
eigi:GoldmanSachsLendingPartnersLLCMember
2019-01-01
2019-12-31
0001237746
srt:MaximumMember
eigi:FormerChiefExecutiveOfficerMember
2018-12-31
0001237746
eigi:FormerChiefExecutiveOfficerMember
2018-12-31
0001237746
us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember
2018-12-31
0001237746
eigi:ExpenseReimbursementMember
eigi:GoldmanSachsLendingPartnersLLCMember
2018-01-01
2018-12-31
0001237746
eigi:RelatedPartyLoanLendingCommitmentArrangementFeesMember
eigi:GoldmanSachsLendingPartnersLLCMember
2018-01-01
2018-12-31
0001237746
eigi:DomainNameBusinessMember
2019-01-01
2019-12-31
0001237746
eigi:DomainNameBusinessMember
2017-01-01
2017-12-31
0001237746
eigi:DomainNameIntangibleAssetsMember
2019-01-01
2019-12-31
0001237746
eigi:DirectiAndBuyDomainsMember
eigi:DevelopedTechnologyAndCustomerRelationshipsMember
2017-01-01
2017-12-31
0001237746
us-gaap:CorporateNoteSecuritiesMember
2017-01-01
2017-12-31
0001237746
eigi:DigitalmarketingMember
2017-01-01
2017-12-31
0001237746
eigi:WebpresenceMember
2017-01-01
2017-12-31
0001237746
country:US
2017-01-01
2017-12-31
0001237746
eigi:InternationalMember
2018-01-01
2018-12-31
0001237746
eigi:InternationalMember
2019-01-01
2019-12-31
0001237746
eigi:InternationalMember
2017-01-01
2017-12-31
0001237746
eigi:InternationalMember
2018-12-31
0001237746
country:US
2018-12-31
0001237746
eigi:InternationalMember
2019-12-31
0001237746
country:US
2019-12-31
0001237746
eigi:NonsubscriptionRevenueMember
2019-01-01
2019-12-31
0001237746
eigi:NonsubscriptionRevenueMember
2018-01-01
2018-12-31
0001237746
eigi:NonsubscriptionRevenueMember
2017-01-01
2017-12-31
0001237746
eigi:DomainNameIntangibleAssetsMember
2019-10-01
2019-12-31
0001237746
2018-07-01
2018-09-30
0001237746
2018-04-01
2018-06-30
0001237746
2019-01-01
2019-03-31
0001237746
2019-07-01
2019-09-30
0001237746
2018-01-01
2018-03-31
0001237746
2018-10-01
2018-12-31
0001237746
srt:ConsolidationEliminationsMember
2019-12-31
0001237746
srt:SubsidiaryIssuerMember
srt:ReportableLegalEntitiesMember
2019-12-31
0001237746
srt:GuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2019-12-31
0001237746
srt:NonGuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2019-12-31
0001237746
srt:ParentCompanyMember
srt:ReportableLegalEntitiesMember
2019-12-31
0001237746
srt:ParentCompanyMember
srt:ReportableLegalEntitiesMember
2018-01-01
2018-12-31
0001237746
srt:SubsidiaryIssuerMember
srt:ReportableLegalEntitiesMember
2018-01-01
2018-12-31
0001237746
srt:NonGuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2018-01-01
2018-12-31
0001237746
srt:GuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2018-01-01
2018-12-31
0001237746
srt:ConsolidationEliminationsMember
2018-01-01
2018-12-31
0001237746
srt:GuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2018-12-31
0001237746
srt:SubsidiaryIssuerMember
srt:ReportableLegalEntitiesMember
2018-12-31
0001237746
srt:ConsolidationEliminationsMember
2018-12-31
0001237746
srt:NonGuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2018-12-31
0001237746
srt:ParentCompanyMember
srt:ReportableLegalEntitiesMember
2018-12-31
0001237746
srt:ParentCompanyMember
srt:ReportableLegalEntitiesMember
2017-12-31
0001237746
srt:GuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2017-12-31
0001237746
srt:SubsidiaryIssuerMember
srt:ReportableLegalEntitiesMember
2017-12-31
0001237746
srt:ConsolidationEliminationsMember
2017-12-31
0001237746
srt:NonGuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2017-12-31
0001237746
srt:ConsolidationEliminationsMember
2019-01-01
2019-12-31
0001237746
srt:GuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2019-01-01
2019-12-31
0001237746
srt:ParentCompanyMember
srt:ReportableLegalEntitiesMember
2019-01-01
2019-12-31
0001237746
srt:NonGuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2019-01-01
2019-12-31
0001237746
srt:SubsidiaryIssuerMember
srt:ReportableLegalEntitiesMember
2019-01-01
2019-12-31
0001237746
srt:ParentCompanyMember
srt:ReportableLegalEntitiesMember
2017-01-01
2017-12-31
0001237746
srt:NonGuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2017-01-01
2017-12-31
0001237746
srt:SubsidiaryIssuerMember
srt:ReportableLegalEntitiesMember
2017-01-01
2017-12-31
0001237746
srt:GuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2017-01-01
2017-12-31
0001237746
srt:ConsolidationEliminationsMember
2017-01-01
2017-12-31
0001237746
srt:ConsolidationEliminationsMember
2016-12-31
0001237746
srt:SubsidiaryIssuerMember
srt:ReportableLegalEntitiesMember
2016-12-31
0001237746
srt:GuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2016-12-31
0001237746
srt:NonGuarantorSubsidiariesMember
srt:ReportableLegalEntitiesMember
2016-12-31
0001237746
srt:ParentCompanyMember
srt:ReportableLegalEntitiesMember
2016-12-31
0001237746
eigi:A10.875Notesdue2024Member
2016-02-29
eigi:agreement
xbrli:shares
eigi:reporting_unit
xbrli:pure
iso4217:USD
xbrli:shares
iso4217:USD
eigi:segment
eigi:repayment
eigi:plan
eigi:position
eigi:vote
eigi:defendant