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Stock Options and Warrants - Narrative (Details) (USD $)
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3 Months Ended |
12 Months Ended |
1 Months Ended |
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Mar. 31, 2015
D
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Mar. 31, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares authorized |
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7,500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
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| Expense as result of remeasurement |
$ (954,000)us-gaap_DerivativeGainLossOnDerivativeNet
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$ 15,538,000us-gaap_DerivativeGainLossOnDerivativeNet
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| Closing stock price for 20 or 30 days to trigger call of warrants (usd per share) |
$ 17.50ent_ClosingStockPriceMaximumTriggeringEventtoCall
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| Number of days |
20ent_ClassofWarrantorRightThresholdDays
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| Number of consecutive days |
30 days
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| Estimated proceeds if warrants called |
116,500,000ent_EstimatedProceedsExerciseofWarrantsTriggeringEventCall
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| Number of warrants authorized for repurchase |
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25,000,000.0ent_ClassofWarrantorRightRepurchaseProgramAuthorizedAmount
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| Amount available for warrants repurchases |
23,600,000ent_ClassofWarrantorRightRepurchaseProgramRemainingAuthorizedRepurchaseAmount
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| Derivative Liability |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Expense as result of remeasurement |
$ (1,000,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_FairValueByLiabilityClassAxis
= us-gaap_DerivativeMember
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$ 15,500,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_FairValueByLiabilityClassAxis
= us-gaap_DerivativeMember
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| Public Warrants | Quotes Prices in Active Markets (Level 1) |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of warrants |
10,129,508us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= ent_PublicWarrantsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
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10,148,508us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= ent_PublicWarrantsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
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| Public Warrants | Derivative Liability |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants outstanding |
10,129,508us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_ClassOfWarrantOrRightAxis
= ent_PublicWarrantsMember
/ us-gaap_FairValueByLiabilityClassAxis
= us-gaap_DerivativeMember
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| Public Warrants | Global Eagle Warrants | Quotes Prices in Active Markets (Level 1) |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of warrants |
10,129,508us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= ent_PublicWarrantsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_FairValueByLiabilityClassAxis
= ent_GlobalEagleWarrantsMember
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| Restricted stock units |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Employee stock option term |
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4 years
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| Annual vesting percent |
25.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
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| Granted (in shares) |
123,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
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| Warrants outstanding |
176,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
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59,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
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| Restricted stock units | Performance Benchmark Three |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares issued |
77,687us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ ent_PerformanceBenchmarkAxis
= ent_PerformanceBenchmarkThreeMember
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| 2013 Equity Incentive Plan | Stock options |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Employee stock option term |
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5 years
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| Employee stock options vesting term |
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3 years
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| 2013 Equity Incentive Plan | Stock options | Executive Officer |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Employee stock option term |
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5 years
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| Employee stock options vesting term |
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4 years
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| Annual vesting percent |
25.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= ent_TwentyThirteenEquityIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ExecutiveOfficerMember
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| Global Eagle Warrants |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants outstanding |
10,130,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_PlanNameAxis
= ent_GlobalEagleWarrantsMember
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10,149,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_PlanNameAxis
= ent_GlobalEagleWarrantsMember
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| Global Eagle Warrants | Sponsor Warrants |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrant exercise price (usd per share) |
$ 11.50ent_ShareBasedCompensationSharesAuthorizedUnderEquityInstrumentsOtherThanOptionsExercisePricePerWarrant
/ us-gaap_ClassOfWarrantOrRightAxis
= ent_SponsorWarrantsMember
/ us-gaap_PlanNameAxis
= ent_GlobalEagleWarrantsMember
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| Issued prior to 2015 | 2013 Equity Incentive Plan | Stock options | First Anniversary of Grant |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Annual vesting percent |
25.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardDateAxis
= ent_IssuedPriorto2015Member
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= ent_TwentyThirteenEquityIncentivePlanMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheOneMember
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| Issued prior to 2015 | 2013 Equity Incentive Plan | Stock options | After First Anniversary of Grant |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Annual vesting percent |
2.78%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardDateAxis
= ent_IssuedPriorto2015Member
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= ent_TwentyThirteenEquityIncentivePlanMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheTwoMember
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| Issued prior to 2015 | 2013 Equity Incentive Plan | Stock options | Board Member |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Employee stock option term |
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5 years
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| Employee stock options vesting term |
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2 years
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| Issued in 2015 Awards | 2013 Equity Incentive Plan | Stock options | Board Member |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Employee stock option term |
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5 years
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| Issued in 2015 Awards | 2013 Equity Incentive Plan | Stock options | Board Member | 2015 Service Period |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Annual vesting percent |
25.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardDateAxis
= ent_Issuedin2015AwardsMember
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= ent_TwentyThirteenEquityIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheThreeMember
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