v3.26.1
Investment Objectives and Goals - Touchstone Non-US Equity Fund
Mar. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#FFFFFF;font-family:Arial Narrow;font-size:14pt;margin-left:6pt;text-transform:uppercase;">Touchstone Non-US Equity Fund  Summary</span>
Objective [Heading] <span style="color:#000000;font-family:Arial Narrow;font-size:12pt;font-weight:bold;text-decoration:underline;">The Fund’s Investment Goal</span>
Objective, Primary [Text Block] The Touchstone Non-US Equity Fund  (the “Fund”) seeks long-term growth of capital.