Touchstone Common Stock Fund Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| Bloomberg US 3000 Index (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | [1],[2] | 17.21% | 13.09% | 14.27% | |||||
| Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | [3] | 17.51% | 13.47% | 14.55% | |||||
| Russell 3000® Index (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% | ||||||
| Russell 1000® Index (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 17.37% | 13.59% | 14.59% | ||||||
| Class I | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 17.83% | 13.80% | 14.20% | ||||||
| Class SC | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 17.65% | 13.58% | 13.93% | ||||||
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