First Trust Dorsey Wright DALI Equity ETF Expense Example, No Redemption - First Trust Dorsey Wright DALI Equity ETF - First Trust Dorsey Wright DALI Equity ETF |
Dec. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 93 |
| Expense Example, No Redemption, 3 Years | 290 |
| Expense Example, No Redemption, 5 Years | 504 |
| Expense Example, No Redemption, 10 Years | $ 1,120 |