Expense Example - Baron WealthBuilder Fund	Dec. 31, 2025 USD ($)
Retail Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 144
Expense Example, with Redemption, 3 Years	446
Expense Example, with Redemption, 5 Years	771
Expense Example, with Redemption, 10 Years	1,691
Institutional Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	118
Expense Example, with Redemption, 3 Years	368
Expense Example, with Redemption, 5 Years	638
Expense Example, with Redemption, 10 Years	1,409
TA Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	118
Expense Example, with Redemption, 3 Years	368
Expense Example, with Redemption, 5 Years	638
Expense Example, with Redemption, 10 Years	$ 1,409

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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