John Hancock High Yield Municipal Bond Fund Expense Example, No Redemption - Classes A C I and R6 [Member] - John Hancock High Yield Municipal Bond Fund - Class C |
May 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 175 |
| Expense Example, No Redemption, 3 Years | 594 |
| Expense Example, No Redemption, 5 Years | 1,039 |
| Expense Example, No Redemption, 10 Years | $ 2,081 |