John Hancock High Yield Municipal Bond Fund Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
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 |
|
| Classes A C I and R6 [Member] | John Hancock High Yield Municipal Bond Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 1.81% | 6.91% | 8.10% | (16.21%) | 5.97% | 4.62% | 9.14% | 0.59% | 6.81% | 1.28% |