S000060170 [Member] Annual Total Returns |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Baron Real Estate Income Fund | Retail Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 3.41% | 17.16% | 15.19% | (27.61%) | 29.08% | 22.02% | 36.67% | (11.33%) |