Document and Entity Information	Nov. 30, 2018
Prospectus:
Document Type	497
Document Period End Date	Nov. 30, 2018
Registrant Name	ADVISORS SERIES TRUST
Central Index Key	0001027596
Amendment Flag	false
Document Creation Date	Nov. 30, 2018
Document Effective Date	Nov. 30, 2018
Prospectus Date	Mar. 30, 2018
Semper Short Duration Fund \| Institutional Class
Prospectus:
Trading Symbol	SEMIX
Semper Short Duration Fund \| Investor Class
Prospectus:
Trading Symbol	SEMRX

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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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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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