v3.26.1
First Trust Balanced Income ETF Expense Example, No Redemption - First Trust Balanced Income ETF - First Trust Balanced Income ETF
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 100
Expense Example, No Redemption, 3 Years 312
Expense Example, No Redemption, 5 Years 542
Expense Example, No Redemption, 10 Years $ 1,201