SA Global Index Allocation 90-10 Portfolio Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 92 Months Ended | 107 Months Ended | 120 Months Ended | |
|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| MSCI EAFE Index (net)[Member] | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 31.22% | 8.92% | 7.38% | 8.70% | 8.18% | |
| SA Glb Idx Alloc 90/10 Blended Index[Member] | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 21.69% | 9.61% | 9.61% | |||
| Class 1 | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 20.34% | 9.09% | 9.00% | |||
| Performance Inception Date | May 01, 2018 | |||||
| Class 3 | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 20.04% | 8.81% | 8.73% | |||
| Performance Inception Date | May 01, 2018 |