Expense Example, No Redemption - First Trust Indxx Quality Precious Metals Miners ETF - First Trust Indxx Quality Precious Metals Miners ETF |
Jul. 17, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 66 |
| Expense Example, No Redemption, 3 Years | $ 208 |