v3.26.3
Touchstone Small Company Fund Expense Example, No Redemption - Touchstone Small Company Fund - Class C
Jun. 30, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 199
Expense Example, No Redemption, 3 Years 634
Expense Example, No Redemption, 5 Years 1,095
Expense Example, No Redemption, 10 Years $ 2,372