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

Third Party Customer Suppor tVendor Maximum Obligation

No definition available.

Name:	EGHT_ThirdPartyCustomerSupportVendorMaximumObligation
Namespace Prefix:	EGHT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Third Part yCustomer Support Vendor Minimum Monthly Commitment

No definition available.

Name:	EGHT_ThirdPartyCustomerSupportVendorMinimumMonthlyCommitment
Namespace Prefix:	EGHT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

Name:	us-gaap_CapitalLeasedAssetsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 2)
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697