Investment Objectives and Goals |
Oct. 31, 2024 |
|---|---|
| BBH Select Series - Large Cap Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | BBH Select Series — Large Cap Fund |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | Each Acquiring Fund has the same investment objective as its corresponding Target Fund. Each Fund seeks to provide investors with long-term growth of capital. The investment objective of each Fund may be changed by the Board without shareholder approval. |
| BBH Select Series - Mid Cap Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | BBH Select Series — Mid Cap Fund |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | Each Acquiring Fund has the same investment objective as its corresponding Target Fund. Each Fund seeks to provide investors with long-term growth of capital. The investment objective of each Fund may be changed by the Board without shareholder approval. |