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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Entity Registrant Name dei_EntityRegistrantName AdvisorShares Trust
Entity Central Index Key dei_EntityCentralIndexKey 0001408970
Document Creation Date dei_DocumentCreationDate Jul. 02, 2013
Document Effective Date dei_DocumentEffectiveDate Jul. 03, 2013
Prospectus Date rr_ProspectusDate Jul. 03, 2013