First Trust Senior Loan 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 Senior Loan Fund | First Trust Senior Loan Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.28% | 7.86% | 11.11% | (1.51%) | 4.02% | 2.57% | 9.48% | (0.84%) | 2.85% | 7.09% |