S000060168 [Member] Expense Example - Baron Durable Advantage Fund |
Sep. 30, 2025
USD ($)
|
|---|---|
| Baron Durable Advantage Fund | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 97 |
| Expense Example, with Redemption, 3 Years | 303 |
| Expense Example, with Redemption, 5 Years | 525 |
| Expense Example, with Redemption, 10 Years | 1,166 |
| Institutional Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 72 |
| Expense Example, with Redemption, 3 Years | 224 |
| Expense Example, with Redemption, 5 Years | 390 |
| Expense Example, with Redemption, 10 Years | 871 |
| R6 Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 72 |
| Expense Example, with Redemption, 3 Years | 224 |
| Expense Example, with Redemption, 5 Years | 390 |
| Expense Example, with Redemption, 10 Years | $ 871 |