SA Large Cap Index Portfolio Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 92 Months Ended | 99 Months Ended | 107 Months Ended | 111 Months Ended | 120 Months Ended | |
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P 500® Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 15.72% | 17.88% | 14.42% | 15.06% | 14.60% | 14.97% | 15.17% | 14.82% |
| Class 1 | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 17.56% | 14.11% | 14.46% | |||||
| Class 3 | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 17.27% | 13.83% | 13.96% | |||||
| Performance Inception Date | Oct. 06, 2017 |