Expense Example, No Redemption - FT Vest U.S. Equity Buffer ETF - June - FT Vest U.S. Equity Buffer ETF - June |
Aug. 31, 2024
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 87 |
| Expense Example, No Redemption, 3 Years | 271 |
| Expense Example, No Redemption, 5 Years | 471 |
| Expense Example, No Redemption, 10 Years | $ 1,049 |