Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| First Trust Flexible Income ETF | First Trust Flexible Income ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.87% | 8.75% | 13.02% | (3.14%) | 5.41% | 2.69% | 12.67% | (1.21%) | 4.00% | 12.99% |