S000027257 [Member] Expense Example - Baron Real Estate Fund |
Dec. 31, 2025
USD ($)
|
|---|---|
| Retail Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 134 |
| Expense Example, with Redemption, 3 Years | 418 |
| Expense Example, with Redemption, 5 Years | 723 |
| Expense Example, with Redemption, 10 Years | 1,590 |
| Institutional Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 107 |
| Expense Example, with Redemption, 3 Years | 334 |
| Expense Example, with Redemption, 5 Years | 579 |
| Expense Example, with Redemption, 10 Years | 1,283 |
| R6 Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 107 |
| Expense Example, with Redemption, 3 Years | 334 |
| Expense Example, with Redemption, 5 Years | 579 |
| Expense Example, with Redemption, 10 Years | $ 1,283 |