S000026479 [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 |
|
| MULTI-MANAGER HIGH YIELD OPPORTUNITY FUND | MULTI-MANAGER HIGH YIELD OPPORTUNITY FUND | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.56% | 7.14% | 12.89% | (10.26%) | 6.82% | 6.15% | 10.37% | (2.09%) | 7.88% | 16.89% |