First Trust Consumer Discretionary 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 Consumer Discretionary AlphaDEX Fund | First Trust Consumer Discretionary AlphaDEX Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.73% | 23.28% | (21.49%) | 22.68% | 12.92% | 24.16% | (11.42%) | 19.74% | 5.13% | (3.81%) |