First Trust AAA CMBS ETF Investment Objectives and Goals - First Trust AAA CMBS ETF |
Jul. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="font-family:Arial;font-size:12.60pt;font-weight:bold;">First Trust AAA CMBS ETF (CAAA)</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 AAA CMBS ETF (the "Fund") seeks to maximize long-term total return. |