Document and Entity Information	0 Months Ended
	Apr. 30, 2013
Risk/Return:
Document Type	485BPOS
Document Period End Date	Apr. 30, 2013
Registrant Name	ADVISORS SERIES TRUST
Central Index Key	0001027596
Amendment Flag	false
Document Creation Date	Aug. 27, 2013
Document Effective Date	Aug. 28, 2013
Prospectus Date	Aug. 28, 2013
Logan Capital Large Cap Growth Fund | Investor Class
Risk/Return:
Trading Symbol	LGNHX
Logan Capital Large Cap Growth Fund | Institutional Class
Risk/Return:
Trading Symbol	LGNGX
Logan Capital Long/Short Fund | Investor Class
Risk/Return:
Trading Symbol	LGNMX