Transamerica High Yield Bond Investment Objectives and Goals - Retail Class [Member] - Transamerica High Yield Bond |
Oct. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:12pt;font-weight:bold;margin-right:6pt;">Transamerica High Yield Bond</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0%;">Investment Objective:</span> |
| Objective, Primary [Text Block] | Seeks a high level of current income by investing in high-yield debt securities. |