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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 Nov. 25, 2013
Document Effective Date dei_DocumentEffectiveDate Nov. 25, 2013
Prospectus Date rr_ProspectusDate Dec. 01, 2013