Growth 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] | Growth Portfolio | Growth Portfolio | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 16.89% | 33.14% | 40.13% | (33.37%) | 17.86% | 43.09% | 33.82% | 0.20% |