XML 14 R2.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Oct. 31, 2019
Entity Registrant Name dei_EntityRegistrantName ADVISORS SERIES TRUST
Entity Central Index Key dei_EntityCentralIndexKey 0001027596
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Jan. 27, 2020
Document Effective Date dei_DocumentEffectiveDate Jan. 27, 2020
Prospectus Date rr_ProspectusDate Feb. 28, 2019
Entity Inv Company Type dei_EntityInvCompanyType N-1A
Fort Pitt Capital Total Return Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading FORT PITT CAPITAL TOTAL RETURN FUND
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
FORT PITT CAPITAL TOTAL RETURN FUND

FPCGX

A series of Advisors Series Trust

Supplement to the Statutory Prospectus and Statement of
Additional Information (“SAI”), each dated February 28, 2019

Effective February 28, 2020, the redemption fee for the Fort Pitt Capital Total Return Fund will be removed. All references to redemption fees throughout the statutory prospectus and statement of additional information are hereby removed.
Supplement Closing [Text Block] ck0001027596_SupplementClosingTextBlock
Please retain this Supplement with your Statutory Prospectus and SAI.
The date of this Supplement is January 27, 2020.
Fort Pitt Capital Total Return Fund | Fort Pitt Capital Total Return Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol FPCGX