Commitments and Contingencies (Service Provider Contracts) (Details) $ in Thousands	Sep. 30, 2016 USD ($)
Commitments And Contingencies Service Provider Contracts Details
Remaining 2017	$ 1,263
2018	1,363
2019	132
2020	8
Total minimum payments	$ 2,766

The amount of service provider expense expected to be recognized during year three of the five succeeding fiscal years.

No definition available.

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