v3.25.4
Transamerica Intermediate Muni Investment Objectives and Goals - Retail Class [Member] - Transamerica Intermediate Muni
Oct. 31, 2025
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 Intermediate Muni</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 to maximize total return through a combination of current income that is exempt from federal income tax and capital appreciation.