Annual Total Returns |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|---|---|---|---|---|---|---|---|
| BNY Mellon Short Term Municipal Bond Fund | D | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.34% | 3.00% | (3.69%) | (0.19%) | 2.39% | 3.03% | 1.22% | 1.21% | (0.49%) | 0.86% |