Document and Entity Information	0 Months Ended
	Oct. 31, 2014
Risk/Return:
Document Type	485BPOS
Document Period End Date	Oct. 31, 2014
Registrant Name	ADVISORS SERIES TRUST
Central Index Key	0001027596
Amendment Flag	false
Document Creation Date	Feb. 25, 2015
Document Effective Date	Feb. 28, 2015
Prospectus Date	Feb. 28, 2015
Edgar Lomax Value Fund | Investor Class
Risk/Return:
Trading Symbol	LOMAX