Document and Entity Information	Total
Prospectus:
Document Type	485BPOS
Document Period End Date	Nov. 30, 2016
Registrant Name	ADVISORS SERIES TRUST
Central Index Key	0001027596
Amendment Flag	false
Document Creation Date	Mar. 28, 2017
Document Effective Date	Mar. 30, 2017
Prospectus Date	Mar. 30, 2017
PIA BBB Bond Fund \| Managed Account Completion Shares
Prospectus:
Trading Symbol	PBBBX
PIA MBS Bond Fund \| Managed Account Completion Shares
Prospectus:
Trading Symbol	PMTGX
PIA Short-Term Securities Fund \| Advisor Class
Prospectus:
Trading Symbol	PIASX
Institutional Class Prospectus \| PIA High Yield Fund \| Institutional Class
Prospectus:
Trading Symbol	PHYSX

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The date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation 12B
-Number 240
-Section 12b
-Subsection 1

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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