v3.26.1
Expense Example, No Redemption - First Trust Active Factor International ETF - First Trust Active Factor International ETF
Oct. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 82
Expense Example, No Redemption, 3 Years 255
Expense Example, No Redemption, 5 Years 444
Expense Example, No Redemption, 10 Years $ 990