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 WealthBuilder Fund | Retail Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 9.88% | 18.47% | 25.36% | (32.75%) | 16.42% | 62.45% | 36.24% | (6.58%) |