First Trust Indxx Medical Devices ETF Expense Example, No Redemption - First Trust Indxx Medical Devices ETF - First Trust Indxx Medical Devices ETF |
Mar. 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 72 |
| Expense Example, No Redemption, 3 Years | 224 |
| Expense Example, No Redemption, 5 Years | 390 |
| Expense Example, No Redemption, 10 Years | $ 871 |