First Trust Short Duration Managed Municipal ETF Expense Example, No Redemption - First Trust Short Duration Managed Municipal ETF - First Trust Short Duration Managed Municipal ETF |
Jul. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 56 |
| Expense Example, No Redemption, 3 Years | 176 |
| Expense Example, No Redemption, 5 Years | 307 |
| Expense Example, No Redemption, 10 Years | $ 689 |