Transamerica Intermediate Muni Expense Example - Retail Class [Member] - Transamerica Intermediate Muni |
Oct. 31, 2025
USD ($)
|
|---|---|
| A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 393 |
| Expense Example, with Redemption, 3 Years | 559 |
| Expense Example, with Redemption, 5 Years | 740 |
| Expense Example, with Redemption, 10 Years | 1,262 |
| C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 231 |
| Expense Example, with Redemption, 3 Years | 466 |
| Expense Example, with Redemption, 5 Years | 824 |
| Expense Example, with Redemption, 10 Years | 1,834 |
| I | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 50 |
| Expense Example, with Redemption, 3 Years | 179 |
| Expense Example, with Redemption, 5 Years | 319 |
| Expense Example, with Redemption, 10 Years | 728 |
| I2 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 51 |
| Expense Example, with Redemption, 3 Years | 160 |
| Expense Example, with Redemption, 5 Years | 280 |
| Expense Example, with Redemption, 10 Years | $ 628 |