Document and Entity Information	0 Months Ended
	Feb. 28, 2014
Risk/Return:
Document Type	485BPOS
Document Period End Date	Feb. 28, 2014
Registrant Name	ADVISORS SERIES TRUST
Central Index Key	0001027596
Amendment Flag	false
Document Creation Date	Jun. 24, 2014
Document Effective Date	Jun. 28, 2014
Prospectus Date	Jun. 28, 2014
American Trust Allegiance Fund | Investor Class
Risk/Return:
Trading Symbol	ATAFX