S000036767 [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 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Baron Global Opportunity Fund | Retail Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 27.43% | 26.09% | 25.26% | (51.69%) | 0.60% | 79.01% | 45.07% | (3.84%) | 49.53% | (1.15%) |