Revenue Recognition (Details) $ in Millions	9 Months Ended
Sep. 30, 2017 USD ($) item
Revenue Recognition
Number of criteria \| item	4
Additional cost to obtain technical support directly from the software publisher and upgrade to latest technology \| $	$ 0

Represents the additional cost charged by software publisher to obtain technical support and upgrade to the latest technology.

No definition available.

Name:	wstg_AdditionalCostToObtainTechnicalSupportAndUpgradeUnderMaintenanceAgreement
Namespace Prefix:	wstg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration