v3.26.1
S000037523 [Member] Expense Example, No Redemption - Vaughan Nelson Select Fund - Class C
Nov. 30, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 187
Expense Example, No Redemption, 3 Years 579
Expense Example, No Redemption, 5 Years 995
Expense Example, No Redemption, 10 Years $ 1,962