First Trust Core Investment Grade ETF Expense Example, No Redemption - First Trust Core Investment Grade ETF - First Trust Core Investment Grade ETF |
Jul. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 57 |
| Expense Example, No Redemption, 3 Years | 179 |
| Expense Example, No Redemption, 5 Years | 313 |
| Expense Example, No Redemption, 10 Years | $ 701 |