MEDIUM-DURATION BOND 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 |
|
| MEDIUM-DURATION BOND FUND | Investor | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.88% | 1.61% | 6.01% | (14.89%) | (2.27%) | 8.84% | 9.58% | (0.72%) | 3.93% | 2.81% |