S000000586 [Member] Investment Objectives and Goals - BARON FIFTH AVENUE GROWTH FUND |
Sep. 30, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Baron Fifth Avenue Growth Fund |
| Objective [Heading] | Investment Goal |
| Objective, Primary [Text Block] | The investment goal of Baron Fifth Avenue Growth Fund® (the “Fund”) is capital appreciation through investments primarily in securities of large-sized growth companies.
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