Document and Entity Information	Total
Prospectus:
Document Type	485BPOS
Document Period End Date	Dec. 31, 2016
Registrant Name	ADVISORS SERIES TRUST
Central Index Key	0001027596
Amendment Flag	false
Document Creation Date	Apr. 25, 2017
Document Effective Date	Apr. 30, 2017
Prospectus Date	Apr. 30, 2017
Kellner Merger Fund \| Investor Class
Prospectus:
Trading Symbol	GAKAX
Kellner Merger Fund \| Institutional Class
Prospectus:
Trading Symbol	GAKIX
Kellner Event Fund \| Investor Class
Prospectus:
Trading Symbol	KEFAX
Kellner Event Fund \| Institutional Class
Prospectus:
Trading Symbol	KEFIX

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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.

+ References

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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Prospectus Table.

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