First Trust Materials AlphaDEX Fund Expense Example, No Redemption - First Trust Materials AlphaDEX Fund - First Trust Materials AlphaDEX Fund |
Jul. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 65 |
| Expense Example, No Redemption, 3 Years | 205 |
| Expense Example, No Redemption, 5 Years | 357 |
| Expense Example, No Redemption, 10 Years | $ 798 |