S000038895 [Member] 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 |
|
| CORE BOND FUND | CORE BOND FUND | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.35% | 1.42% | 5.75% | (13.62%) | (1.49%) | 7.36% | 9.65% | (1.12%) | 3.75% | 2.25% |