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Commitments and Contingencies (CustomerSupport Commitments) (Narrative) (Details) (USD $) | Dec. 31, 2014
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Commitments And Contingencies Customersupport Commitments Narrative Details |
Third party customer support vendor minimum monthly commitment | $ 400,000 EGHT_ThirdPartyCustomerSupportVendorMinimumMonthlyCommitment
Third party customer support vendor maximum obligation | $ 2,200,000 EGHT_ThirdPartyCustomerSupportVendorMaximumObligation
Advance termination notice required, days | 150 EGHT_AdvanceTerminationNoticeRequiredDays

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- Definition The number of advance termination notice days required + References No definition available. + Details
Name: | EGHT_AdvanceTerminationNoticeRequiredDays
Namespace Prefix: | EGHT_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | EGHT_CommitmentsAndContingenciesCustomersupportCommitmentsNarrativeDetailsAbstract
Namespace Prefix: | EGHT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Third Party Customer Suppor tVendor Maximum Obligation + References No definition available. + Details
Name: | EGHT_ThirdPartyCustomerSupportVendorMaximumObligation
Namespace Prefix: | EGHT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Third Part yCustomer Support Vendor Minimum Monthly Commitment + References No definition available. + Details
Name: | EGHT_ThirdPartyCustomerSupportVendorMinimumMonthlyCommitment
Namespace Prefix: | EGHT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant