v3.26.1
Investment Objectives and Goals - First Trust Flexible Income ETF
May 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Arial;font-size:12.60pt;font-weight:bold;">First Trust Flexible Income ETF (FFLX)</span>
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:9.90pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block] The First Trust Flexible Income ETF (the "Fund") seeks to maximize current income.