3.7.0.1 html 345 405 1 false 113 0 false 11 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.endurance.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets (unaudited) Sheet http://www.endurance.com/role/ConsolidatedBalanceSheetsUnaudited Consolidated Balance Sheets (unaudited) Statements 2 false false R3.htm 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.endurance.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) Sheet http://www.endurance.com/role/ConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss Consolidated Statements of Operations and Comprehensive Income (Loss) Statements 4 false false R5.htm 1002501 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical) Sheet http://www.endurance.com/role/ConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossParenthetical Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical) Statements 5 false false R6.htm 1003000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.endurance.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 6 false false R7.htm 2101100 - Disclosure - Nature of Business Sheet http://www.endurance.com/role/NatureOfBusiness Nature of Business Notes 7 false false R8.htm 2102100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.endurance.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 8 false false R9.htm 2103100 - Disclosure - Acquisitions Sheet http://www.endurance.com/role/Acquisitions Acquisitions Notes 9 false false R10.htm 2104100 - Disclosure - Property and Equipment and Capital Lease Obligations Sheet http://www.endurance.com/role/PropertyAndEquipmentAndCapitalLeaseObligations Property and Equipment and Capital Lease Obligations Notes 10 false false R11.htm 2105100 - Disclosure - Fair Value Measurements Sheet http://www.endurance.com/role/FairValueMeasurements Fair Value Measurements Notes 11 false false R12.htm 2106100 - Disclosure - Derivatives and Hedging Activities Sheet http://www.endurance.com/role/DerivativesAndHedgingActivities Derivatives and Hedging Activities Notes 12 false false R13.htm 2107100 - Disclosure - Goodwill and Other Intangible Assets Sheet http://www.endurance.com/role/GoodwillAndOtherIntangibleAssets Goodwill and Other Intangible Assets Notes 13 false false R14.htm 2108100 - Disclosure - Investments Sheet http://www.endurance.com/role/Investments Investments Notes 14 false false R15.htm 2109100 - Disclosure - Notes Payable Notes http://www.endurance.com/role/NotesPayable Notes Payable Notes 15 false false R16.htm 2110100 - Disclosure - Stockholders' Equity Sheet http://www.endurance.com/role/StockholdersEquity Stockholders' Equity Notes 16 false false R17.htm 2111100 - Disclosure - Stock-Based Compensation Sheet http://www.endurance.com/role/StockBasedCompensation Stock-Based Compensation Notes 17 false false R18.htm 2112100 - Disclosure - Accumulated Other Comprensive Income Sheet http://www.endurance.com/role/AccumulatedOtherComprensiveIncome Accumulated Other Comprensive Income Notes 18 false false R19.htm 2113100 - Disclosure - Variable Interest Entity Sheet http://www.endurance.com/role/VariableInterestEntity Variable Interest Entity Notes 19 false false R20.htm 2114100 - Disclosure - Redeemable Non-controlling Interest Sheet http://www.endurance.com/role/RedeemableNonControllingInterest Redeemable Non-controlling Interest Notes 20 false false R21.htm 2115100 - Disclosure - Income Taxes Sheet http://www.endurance.com/role/IncomeTaxes Income Taxes Notes 21 false false R22.htm 2116100 - Disclosure - Severance and Other Exit Costs Sheet http://www.endurance.com/role/SeveranceAndOtherExitCosts Severance and Other Exit Costs Notes 22 false false R23.htm 2117100 - Disclosure - Commitments and Contingencies Sheet http://www.endurance.com/role/CommitmentsAndContingencies Commitments and Contingencies Notes 23 false false R24.htm 2118100 - Disclosure - Related Party Transactions Sheet http://www.endurance.com/role/RelatedPartyTransactions Related Party Transactions Notes 24 false false R25.htm 2119100 - Disclosure - Segment Information Sheet http://www.endurance.com/role/SegmentInformation Segment Information Notes 25 false false R26.htm 2120100 - Disclosure - Subsequent Events Sheet http://www.endurance.com/role/SubsequentEvents Subsequent Events Notes 26 false false R27.htm 2121100 - Disclosure - Supplemental Guarantor Financial Information Sheet http://www.endurance.com/role/SupplementalGuarantorFinancialInformation Supplemental Guarantor Financial Information Notes 27 false false R28.htm 2202201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.endurance.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.endurance.com/role/SummaryOfSignificantAccountingPolicies 28 false false R29.htm 2302302 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.endurance.com/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.endurance.com/role/SummaryOfSignificantAccountingPolicies 29 false false R30.htm 2303301 - Disclosure - Acquisitions (Tables) Sheet http://www.endurance.com/role/AcquisitionsTables Acquisitions (Tables) Tables http://www.endurance.com/role/Acquisitions 30 false false R31.htm 2304301 - Disclosure - Property and Equipment and Capital Lease Obligations (Tables) Sheet http://www.endurance.com/role/PropertyAndEquipmentAndCapitalLeaseObligationsTables Property and Equipment and Capital Lease Obligations (Tables) Tables http://www.endurance.com/role/PropertyAndEquipmentAndCapitalLeaseObligations 31 false false R32.htm 2305301 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.endurance.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.endurance.com/role/FairValueMeasurements 32 false false R33.htm 2307301 - Disclosure - Goodwill and Other Intangible Assets (Tables) Sheet http://www.endurance.com/role/GoodwillAndOtherIntangibleAssetsTables Goodwill and Other Intangible Assets (Tables) Tables http://www.endurance.com/role/GoodwillAndOtherIntangibleAssets 33 false false R34.htm 2309301 - Disclosure - Notes Payable (Tables) Notes http://www.endurance.com/role/NotesPayableTables Notes Payable (Tables) Tables http://www.endurance.com/role/NotesPayable 34 false false R35.htm 2310301 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.endurance.com/role/StockholdersEquityTables Stockholders' Equity (Tables) Tables http://www.endurance.com/role/StockholdersEquity 35 false false R36.htm 2311301 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.endurance.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://www.endurance.com/role/StockBasedCompensation 36 false false R37.htm 2312301 - Disclosure - Accumulated Other Comprehensive Income (Tables) Sheet http://www.endurance.com/role/AccumulatedOtherComprehensiveIncomeTables Accumulated Other Comprehensive Income (Tables) Tables 37 false false R38.htm 2314301 - Disclosure - Redeemable Non-controlling Interest (Tables) Sheet http://www.endurance.com/role/RedeemableNonControllingInterestTables Redeemable Non-controlling Interest (Tables) Tables http://www.endurance.com/role/RedeemableNonControllingInterest 38 false false R39.htm 2316301 - Disclosure - Severance and Other Exit Costs (Tables) Sheet http://www.endurance.com/role/SeveranceAndOtherExitCostsTables Severance and Other Exit Costs (Tables) Tables http://www.endurance.com/role/SeveranceAndOtherExitCosts 39 false false R40.htm 2318301 - Disclosure - Related Party Transactions (Tables) Sheet http://www.endurance.com/role/RelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://www.endurance.com/role/RelatedPartyTransactions 40 false false R41.htm 2319301 - Disclosure - Segment Information (Tables) Sheet http://www.endurance.com/role/SegmentInformationTables Segment Information (Tables) Tables http://www.endurance.com/role/SegmentInformation 41 false false R42.htm 2321301 - Disclosure - Supplemental Guarantor Financial Information (Tables) Sheet http://www.endurance.com/role/SupplementalGuarantorFinancialInformationTables Supplemental Guarantor Financial Information (Tables) Tables http://www.endurance.com/role/SupplementalGuarantorFinancialInformation 42 false false R43.htm 2402403 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.endurance.com/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 43 false false R44.htm 2402404 - Disclosure - Summary of Significant Accounting Policies - Summary of Estimated Useful Lives (Detail) Sheet http://www.endurance.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfEstimatedUsefulLivesDetail Summary of Significant Accounting Policies - Summary of Estimated Useful Lives (Detail) Details 44 false false R45.htm 2402405 - Disclosure - Summary of Significant Accounting Policies - Summary of Calculation of Basic and Diluted Net Loss Per Share (Detail) Sheet http://www.endurance.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfCalculationOfBasicAndDilutedNetLossPerShareDetail Summary of Significant Accounting Policies - Summary of Calculation of Basic and Diluted Net Loss Per Share (Detail) Details 45 false false R46.htm 2402406 - Disclosure - Summary of Significant Accounting Policies - Summary Of Weighted Average Potentially Dilutive Shares Excluded From Calculation Of Diluted Loss Per Share (Detail) Sheet http://www.endurance.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfWeightedAveragePotentiallyDilutiveSharesExcludedFromCalculationOfDilutedLossPerShareDetail Summary of Significant Accounting Policies - Summary Of Weighted Average Potentially Dilutive Shares Excluded From Calculation Of Diluted Loss Per Share (Detail) Details 46 false false R47.htm 2403402 - Disclosure - Acquisitions - Additional Information (Detail) Sheet http://www.endurance.com/role/AcquisitionsAdditionalInformationDetail Acquisitions - Additional Information (Detail) Details 47 false false R48.htm 2403403 - Disclosure - Acquisitions - Summary of Deferred Consideration Related to Acquisition (Detail) Sheet http://www.endurance.com/role/AcquisitionsSummaryOfDeferredConsiderationRelatedToAcquisitionDetail Acquisitions - Summary of Deferred Consideration Related to Acquisition (Detail) Details 48 false false R49.htm 2404402 - Disclosure - Property and Equipment and Capital Lease Obligations - Components of Property and Equipment (Detail) Sheet http://www.endurance.com/role/PropertyAndEquipmentAndCapitalLeaseObligationsComponentsOfPropertyAndEquipmentDetail Property and Equipment and Capital Lease Obligations - Components of Property and Equipment (Detail) Details 49 false false R50.htm 2404403 - Disclosure - Property and Equipment and Capital Lease Obligations - Additional Information (Detail) Sheet http://www.endurance.com/role/PropertyAndEquipmentAndCapitalLeaseObligationsAdditionalInformationDetail Property and Equipment and Capital Lease Obligations - Additional Information (Detail) Details 50 false false R51.htm 2405402 - Disclosure - Fair Value Measurements - Additional Information (Detail) Sheet http://www.endurance.com/role/FairValueMeasurementsAdditionalInformationDetail Fair Value Measurements - Additional Information (Detail) Details 51 false false R52.htm 2405403 - Disclosure - Fair Value Measurements - Basis of Fair Value Measurements (Detail) Sheet http://www.endurance.com/role/FairValueMeasurementsBasisOfFairValueMeasurementsDetail Fair Value Measurements - Basis of Fair Value Measurements (Detail) Details 52 false false R53.htm 2405404 - Disclosure - Fair Value Measurements - Summary of Changes in the Financial Liabilities Measured on a Recurring Basis Using Level 3 Inputs (Detail) Sheet http://www.endurance.com/role/FairValueMeasurementsSummaryOfChangesInFinancialLiabilitiesMeasuredOnRecurringBasisUsingLevel3InputsDetail Fair Value Measurements - Summary of Changes in the Financial Liabilities Measured on a Recurring Basis Using Level 3 Inputs (Detail) Details 53 false false R54.htm 2406401 - Disclosure - Derivatives And Hedging Activities - Additional Information (Detail) Sheet http://www.endurance.com/role/DerivativesAndHedgingActivitiesAdditionalInformationDetail Derivatives And Hedging Activities - Additional Information (Detail) Details 54 false false R55.htm 2407402 - Disclosure - Goodwill and Other Intangible Assets - Changes in Goodwill Balances (Detail) Sheet http://www.endurance.com/role/GoodwillAndOtherIntangibleAssetsChangesInGoodwillBalancesDetail Goodwill and Other Intangible Assets - Changes in Goodwill Balances (Detail) Details 55 false false R56.htm 2407403 - Disclosure - Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Detail) Sheet http://www.endurance.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfOtherIntangibleAssetsDetail Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Detail) Details 56 false false R57.htm 2407404 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Detail) Sheet http://www.endurance.com/role/GoodwillAndOtherIntangibleAssetsAdditionalInformationDetail Goodwill and Other Intangible Assets - Additional Information (Detail) Details 57 false false R58.htm 2408401 - Disclosure - Investments - Additional Information (Detail) Sheet http://www.endurance.com/role/InvestmentsAdditionalInformationDetail Investments - Additional Information (Detail) Details 58 false false R59.htm 2409402 - Disclosure - Notes Payable - Additional Information (Detail) Notes http://www.endurance.com/role/NotesPayableAdditionalInformationDetail Notes Payable - Additional Information (Detail) Details 59 false false R60.htm 2409403 - Disclosure - Notes Payable - Schedule of Long Term Debt (Details) Notes http://www.endurance.com/role/NotesPayableScheduleOfLongTermDebtDetails Notes Payable - Schedule of Long Term Debt (Details) Details 60 false false R61.htm 2409404 - Disclosure - Notes Payable - Schedule of First Term Lien Loan (Details) Notes http://www.endurance.com/role/NotesPayableScheduleOfFirstTermLienLoanDetails Notes Payable - Schedule of First Term Lien Loan (Details) Details 61 false false R62.htm 2409405 - Disclosure - Notes Payable - Schedule of Incremental First Lien Term Loan (Details) Notes http://www.endurance.com/role/NotesPayableScheduleOfIncrementalFirstLienTermLoanDetails Notes Payable - Schedule of Incremental First Lien Term Loan (Details) Details 62 false false R63.htm 2409406 - Disclosure - Notes Payable - Schedule of Senior Notes (Details) Notes http://www.endurance.com/role/NotesPayableScheduleOfSeniorNotesDetails Notes Payable - Schedule of Senior Notes (Details) Details 63 false false R64.htm 2409407 - Disclosure - Notes Payable - Summary of Future Debt Maturities (Detail) Notes http://www.endurance.com/role/NotesPayableSummaryOfFutureDebtMaturitiesDetail Notes Payable - Summary of Future Debt Maturities (Detail) Details 64 false false R65.htm 2409408 - Disclosure - Notes Payable - Schedule of Interest Rates and Interest Expense (Detail) Notes http://www.endurance.com/role/NotesPayableScheduleOfInterestRatesAndInterestExpenseDetail Notes Payable - Schedule of Interest Rates and Interest Expense (Detail) Details 65 false false R66.htm 2410402 - Disclosure - Stockholders' Equity - Additional Information (Detail) Sheet http://www.endurance.com/role/StockholdersEquityAdditionalInformationDetail Stockholders' Equity - Additional Information (Detail) Details 66 false false R67.htm 2410403 - Disclosure - Stockholders' Equity - Summary of Changes in Stockholders' Equity (Detail) Sheet http://www.endurance.com/role/StockholdersEquitySummaryOfChangesInStockholdersEquityDetail Stockholders' Equity - Summary of Changes in Stockholders' Equity (Detail) Details 67 false false R68.htm 2411402 - Disclosure - Stock-Based Compensation - Additional Information (Detail) Sheet http://www.endurance.com/role/StockBasedCompensationAdditionalInformationDetail Stock-Based Compensation - Additional Information (Detail) Details 68 false false R69.htm 2411403 - Disclosure - Stock-Based Compensation - Summary of Total Stock-Based Compensation Expense (Detail) Sheet http://www.endurance.com/role/StockBasedCompensationSummaryOfTotalStockBasedCompensationExpenseDetail Stock-Based Compensation - Summary of Total Stock-Based Compensation Expense (Detail) Details 69 false false R70.htm 2411404 - Disclosure - Stock-Based Compensation - Summary of Stock Options (Detail) Sheet http://www.endurance.com/role/StockBasedCompensationSummaryOfStockOptionsDetail Stock-Based Compensation - Summary of Stock Options (Detail) Details 70 false false R71.htm 2411406 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Awards and Restricted Stock Units (Detail) Sheet http://www.endurance.com/role/StockBasedCompensationSummaryOfRestrictedStockAwardsAndRestrictedStockUnitsDetail Stock-Based Compensation - Summary of Restricted Stock Awards and Restricted Stock Units (Detail) Details 71 false false R72.htm 2412402 - Disclosure - Accumulated Other Comprehensive Income (Details) Sheet http://www.endurance.com/role/AccumulatedOtherComprehensiveIncomeDetails Accumulated Other Comprehensive Income (Details) Details http://www.endurance.com/role/AccumulatedOtherComprehensiveIncomeTables 72 false false R73.htm 2414402 - Disclosure - Redeemable Non-Controlling Interest - Additional Information (Detail) Sheet http://www.endurance.com/role/RedeemableNonControllingInterestAdditionalInformationDetail Redeemable Non-Controlling Interest - Additional Information (Detail) Details 73 false false R74.htm 2414403 - Disclosure - Redeemable Non-controlling Interest - Schedule of Change in Redeemable Non-controlling Interest (Detail) Sheet http://www.endurance.com/role/RedeemableNonControllingInterestScheduleOfChangeInRedeemableNonControllingInterestDetail Redeemable Non-controlling Interest - Schedule of Change in Redeemable Non-controlling Interest (Detail) Details 74 false false R75.htm 2415401 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.endurance.com/role/IncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 75 false false R76.htm 2416402 - Disclosure - Severance and Other Exit Costs - Additional Information (Detail) Sheet http://www.endurance.com/role/SeveranceAndOtherExitCostsAdditionalInformationDetail Severance and Other Exit Costs - Additional Information (Detail) Details 76 false false R77.htm 2416403 - Disclosure - Severance and Other Exit Costs - Summary of Aggregate Activity Related to Company's Facilities Exit Costs Accrual and Severance Accrual (Detail) Sheet http://www.endurance.com/role/SeveranceAndOtherExitCostsSummaryOfAggregateActivityRelatedToCompanysFacilitiesExitCostsAccrualAndSeveranceAccrualDetail Severance and Other Exit Costs - Summary of Aggregate Activity Related to Company's Facilities Exit Costs Accrual and Severance Accrual (Detail) Details 77 false false R78.htm 2416404 - Disclosure - Severance and Other Exit Costs - Summary of Total Restructuring Charges Recorded in the Consolidated Statements of Operations and Comprehensive Loss (Detail) Sheet http://www.endurance.com/role/SeveranceAndOtherExitCostsSummaryOfTotalRestructuringChargesRecordedInConsolidatedStatementsOfOperationsAndComprehensiveLossDetail Severance and Other Exit Costs - Summary of Total Restructuring Charges Recorded in the Consolidated Statements of Operations and Comprehensive Loss (Detail) Details 78 false false R79.htm 2417401 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.endurance.com/role/CommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 79 false false R80.htm 2418402 - Disclosure - Related Party Transactions - Additional Information (Detail) Sheet http://www.endurance.com/role/RelatedPartyTransactionsAdditionalInformationDetail Related Party Transactions - Additional Information (Detail) Details 80 false false R81.htm 2418403 - Disclosure - Related Party Transactions - Summary of Related Party Transactions (Detail) Sheet http://www.endurance.com/role/RelatedPartyTransactionsSummaryOfRelatedPartyTransactionsDetail Related Party Transactions - Summary of Related Party Transactions (Detail) Details 81 false false R82.htm 2419402 - Disclosure - Segment Information - Additional Information (Details) Sheet http://www.endurance.com/role/SegmentInformationAdditionalInformationDetails Segment Information - Additional Information (Details) Details 82 false false R83.htm 2419403 - Disclosure - Segment Information - Schedule of Segment Information (Details) Sheet http://www.endurance.com/role/SegmentInformationScheduleOfSegmentInformationDetails Segment Information - Schedule of Segment Information (Details) Details 83 false false R84.htm 2420401 - Disclosure - Subsequent Events Narrative (Details) Sheet http://www.endurance.com/role/SubsequentEventsNarrativeDetails Subsequent Events Narrative (Details) Details 84 false false R85.htm 2421402 - Disclosure - Supplemental Guarantor Financial Information - Additional Information (Details) Sheet http://www.endurance.com/role/SupplementalGuarantorFinancialInformationAdditionalInformationDetails Supplemental Guarantor Financial Information - Additional Information (Details) Details 85 false false R86.htm 2421403 - Disclosure - Supplemental Guarantor Financial Information - Condensed Consolidated Balance Sheets (Details) Sheet http://www.endurance.com/role/SupplementalGuarantorFinancialInformationCondensedConsolidatedBalanceSheetsDetails Supplemental Guarantor Financial Information - Condensed Consolidated Balance Sheets (Details) Details 86 false false R87.htm 2421404 - Disclosure - Supplemental Guarantor Financial Information - Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) Sheet http://www.endurance.com/role/SupplementalGuarantorFinancialInformationConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossDetails Supplemental Guarantor Financial Information - Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) Details 87 false false R88.htm 2421405 - Disclosure - Supplemental Guarantor Financial Information - Condensed Consolidated Statements of Cash Flows (Details) Sheet http://www.endurance.com/role/SupplementalGuarantorFinancialInformationCondensedConsolidatedStatementsOfCashFlowsDetails Supplemental Guarantor Financial Information - Condensed Consolidated Statements of Cash Flows (Details) Details 88 false false All Reports Book All Reports eigi-20170331.xml eigi-20170331.xsd eigi-20170331_cal.xml eigi-20170331_def.xml eigi-20170331_lab.xml eigi-20170331_pre.xml true true