v3.26.1
First Trust Morningstar Dividend Leaders Index Fund Expense Example, No Redemption - First Trust Morningstar Dividend Leaders Index Fund - First Trust Morningstar Dividend Leaders Index Fund
Dec. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 44
Expense Example, No Redemption, 3 Years 138
Expense Example, No Redemption, 5 Years 241
Expense Example, No Redemption, 10 Years $ 542