First Trust Asia Pacific ex-Japan 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 Asia Pacific ex-Japan AlphaDEX Fund | First Trust Asia Pacific ex-Japan AlphaDEX Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 42.31% | 3.84% | 10.67% | (15.62%) | 2.75% | 14.89% | 7.35% | (20.71%) | 35.93% | 0.29% |