v3.25.4
S000060168 [Member] Investment Objectives and Goals - Baron Durable Advantage Fund
Sep. 30, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Baron Durable Advantage Fund
Objective [Heading] Investment Goal
Objective, Primary [Text Block]
The investment goal of the Baron Durable Advantage Fund® (the “Fund”) is capital appreciation through investments primarily in securities of large-sized companies.