v3.25.4
First Trust Short Duration High Income Fund Investment Objectives and Goals - First Trust Short Duration High Income Fund
Oct. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] <span style="font-family:Arial;font-size:12.60pt;font-weight:bold;">First Trust Short Duration High Income Fund</span>
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:9.90pt;font-weight:bold;">Investment Objectives</span>
Objective, Primary [Text Block] The First Trust Short Duration High Income Fund (the "Fund") seeks to provide a high level of current income. As a secondary objective, the Fund seeks capital appreciation.