First Trust NASDAQ ABA Community Bank Index 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 NASDAQ ABA Community Bank Index Fund | First Trust NASDAQ ABA Community Bank Index Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.52% | 14.51% | (2.44%) | (8.70%) | 34.08% | (11.00%) | 22.80% | (16.14%) | 0.55% | 37.57% |