First Trust Emerging Markets Small Cap AlphaDEX Fund 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 Emerging Markets Small Cap AlphaDEX Fund | First Trust Emerging Markets Small Cap AlphaDEX Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 15.61% | 4.43% | 3.21% | 1.36% | 3.68% | 8.73% | 26.90% | (21.42%) | 46.57% | 13.53% |