SA Fixed Income Index 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 Fixed Income Index Portfolio | Class 1 | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 6.36% | 1.09% | 5.80% | (12.80%) | (2.06%) | 8.68% | 9.13% | (0.63%) |