First Trust Multi Cap Growth AlphaDEX Fund Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| First Trust Multi Cap Growth AlphaDEX Fund | First Trust Multi Cap Growth AlphaDEX Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 23.68% | 19.22% | (23.77%) | 20.71% | 34.59% | 27.17% | (6.22%) | 24.68% | 6.83% | 2.10% |