S000024707 [Member] Expense Example - Baron International Growth Fund |
Dec. 31, 2025
USD ($)
|
|---|---|
| Retail Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 123 |
| Expense Example, with Redemption, 3 Years | 384 |
| Expense Example, with Redemption, 5 Years | 665 |
| Expense Example, with Redemption, 10 Years | 1,466 |
| Institutional Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 98 |
| Expense Example, with Redemption, 3 Years | 306 |
| Expense Example, with Redemption, 5 Years | 531 |
| Expense Example, with Redemption, 10 Years | 1,178 |
| R6 Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 98 |
| Expense Example, with Redemption, 3 Years | 306 |
| Expense Example, with Redemption, 5 Years | 531 |
| Expense Example, with Redemption, 10 Years | $ 1,178 |