v3.26.1
Touchstone Small Cap Fund Expense Example - Touchstone Small Cap Fund
Sep. 30, 2025
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 621
Expense Example, with Redemption, 3 Years 933
Expense Example, with Redemption, 5 Years 1,267
Expense Example, with Redemption, 10 Years 2,210
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 298
Expense Example, with Redemption, 3 Years 782
Expense Example, with Redemption, 5 Years 1,392
Expense Example, with Redemption, 10 Years 3,040
Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 357
Expense Example, with Redemption, 5 Years 632
Expense Example, with Redemption, 10 Years 1,416
Institutional Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 94
Expense Example, with Redemption, 3 Years 330
Expense Example, with Redemption, 5 Years 584
Expense Example, with Redemption, 10 Years 1,313
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 322
Expense Example, with Redemption, 5 Years 577
Expense Example, with Redemption, 10 Years $ 1,306