Diversified Value Portfolio 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 |
|
| Portfolio [Member] | Diversified Value Portfolio | Diversified Value Portfolio | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 16.83% | 14.89% | 20.13% | (11.49%) | 30.47% | 11.78% | 25.70% | (9.12%) |