S000030894 [Member] Annual Fund Operating Expenses - Baron Emerging Markets Fund |
Dec. 31, 2025 |
|---|---|
| Retail Shares | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 1.00% |
| Distribution and Service (12b-1) Fees | 0.25% |
| Other Expenses (as a percentage of Assets): | 0.13% |
| Expenses (as a percentage of Assets) | 1.38% |
| Institutional Shares | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 1.00% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.12% |
| Expenses (as a percentage of Assets) | 1.12% |
| R6 Shares | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 1.00% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.12% |
| Expenses (as a percentage of Assets) | 1.12% |