First Trust RiverFront Dynamic Emerging Markets ETF Expense Example, No Redemption - First Trust RiverFront Dynamic Emerging Markets ETF - First Trust RiverFront Dynamic Emerging Markets ETF |
Oct. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 101 |
| Expense Example, No Redemption, 3 Years | 315 |
| Expense Example, No Redemption, 5 Years | 547 |
| Expense Example, No Redemption, 10 Years | $ 1,213 |