Document and Entity Information	0 Months Ended
	Nov. 30, 2013
Risk/Return:
Document Type	485BPOS
Document Period End Date	Nov. 30, 2013
Registrant Name	ADVISORS SERIES TRUST
Central Index Key	0001027596
Amendment Flag	false
Document Creation Date	Mar. 24, 2014
Document Effective Date	Mar. 27, 2014
Prospectus Date	Mar. 28, 2014
Semper Short Duration Fund | Institutional Class
Risk/Return:
Trading Symbol	SEMIX
Semper Short Duration Fund | Investor Class
Risk/Return:
Trading Symbol	SEMRX