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 |
|
| BBH Select Large Cap ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 14.26% | 15.85% | 23.86% | (20.55%) | 27.17% | 12.30% | ||||
| BBH Select Mid Cap ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | (5.64%) | 11.41% | 26.01% | (24.76%) | ||||||
| Class I Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 26.19% | 7.98% | 14.35% | (24.21%) | 1.68% | 24.04% | 30.00% | (9.56%) | 20.47% | 2.66% |
| Class I Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.53% | 6.74% | 7.64% | (0.92%) | 1.18% | 3.01% | 4.37% | 2.07% | 2.51% | 2.77% |
| CLASS I SHARES | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.85% | 3.81% | 9.08% | (13.72%) | 1.63% | 11.53% | 9.28% | |||
| Class N Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.11% | 2.19% | 5.99% | (6.22%) | 0.04% | 4.94% | 6.53% | 1.50% | 6.09% | 1.04% |
| Institutional Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.09% | 5.09% | 4.87% | 1.34% | 0.01% | 0.36% | 1.95% | 1.60% | 0.59% | 0.05% |