Fees and Expenses - Baron WealthBuilder Fund |
Dec. 31, 2025 |
|||
|---|---|---|---|---|
| Prospectus [Line Items] | ||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||
| Expense Narrative [Text Block] | The table below describes the fees and expenses that you would pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and example below.
|
|||
| Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] | Acquired Fund Fees and Expenses are indirect fees and expenses that the Fund incurs from investing in the securities of a select number of Baron mutual funds. Their inclusion in this table will cause the expense ratios disclosed here to differ from those disclosed in the financial highlights. | |||
| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses(Expenses that you pay each year as a percentage of the value of your investment) | |||
| Expense Footnotes [Text Block] |
|
|||
| Expense Example [Heading] | Example | |||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, giving effect to the expense reimbursement agreement described above. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
|
|||
| Portfolio Turnover [Heading] | Portfolio Turnover. | |||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes for Fund shareholders. These costs, which are not reflected in Total Annual Fund Operating Expenses or in the example, affect the Fund’s performance. During the most recent fiscal year ended December 31, 2025, the Fund’s portfolio turnover rate was 11% of the average value of its portfolio. | |||
| Portfolio Turnover, Rate | 11.00% |