First Trust Intermediate Duration Investment Grade Corporate ETF Expense Example, No Redemption - First Trust Intermediate Duration Investment Grade Corporate ETF - First Trust Intermediate Duration Investment Grade Corporate ETF |
Oct. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 50 |
| Expense Example, No Redemption, 3 Years | 157 |
| Expense Example, No Redemption, 5 Years | 274 |
| Expense Example, No Redemption, 10 Years | $ 616 |