SA Index Allocation 90-10 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 |
|
| SA Index Allocation 90-10 Portfolio | Class 3 | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 17.19% | 16.09% | 20.10% | (16.84%) | 20.61% | 14.47% | 25.53% | (7.66%) |