Touchstone Small Cap Value Fund Annual Fund Operating Expenses - Touchstone Small Cap Value Fund |
Sep. 30, 2025 |
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| Prospectus [Line Items] | ||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | <span style="color:#000000;font-family:Times New Roman;font-size:9pt;font-style:italic;">July 29, 2027</span> | |||||||||
| Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.83% | [1] | ||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||
| Component2 Other Expenses | 0.02% | |||||||||
| Component3 Other Expenses | 0.36% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.38% | |||||||||
| Expenses (as a percentage of Assets) | 1.46% | |||||||||
| Fee Waiver or Reimbursement | (0.10%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.36% | [2],[3] | ||||||||
| Class C | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.83% | [1] | ||||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||||
| Component2 Other Expenses | 0.02% | |||||||||
| Component3 Other Expenses | 2.33% | |||||||||
| Other Expenses (as a percentage of Assets): | 2.35% | |||||||||
| Expenses (as a percentage of Assets) | 4.18% | |||||||||
| Fee Waiver or Reimbursement | (2.18%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 2.00% | [2],[3] | ||||||||
| Class Y | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.83% | [1] | ||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||
| Component2 Other Expenses | 0.02% | |||||||||
| Component3 Other Expenses | 0.33% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.35% | |||||||||
| Expenses (as a percentage of Assets) | 1.18% | |||||||||
| Fee Waiver or Reimbursement | (0.07%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.11% | [2],[3] | ||||||||
| Institutional Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.83% | [1] | ||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||
| Component2 Other Expenses | 0.02% | |||||||||
| Component3 Other Expenses | 0.25% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.27% | |||||||||
| Expenses (as a percentage of Assets) | 1.10% | |||||||||
| Fee Waiver or Reimbursement | (0.15%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.95% | [2],[3] | ||||||||
| Class R6 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.83% | [1] | ||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||
| Component2 Other Expenses | 0.02% | |||||||||
| Component3 Other Expenses | 0.25% | [4] | ||||||||
| Other Expenses (as a percentage of Assets): | 0.27% | |||||||||
| Expenses (as a percentage of Assets) | 1.10% | |||||||||
| Fee Waiver or Reimbursement | (0.23%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.87% | [2],[3] | ||||||||
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