Expense Example, No Redemption - FT Vest U.S. Equity Max Buffer ETF - August - FT Vest U.S. Equity Max Buffer ETF - August |
Aug. 16, 2024
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 87 |
| Expense Example, No Redemption, 3 Years | $ 271 |