SA Global Index Allocation 75-25 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 75/25 Blended Index[Member] | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 19.18% | 8.09% | 8.58% | |||
| Class 1 | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 17.99% | 7.60% | 8.05% | |||
| Performance Inception Date | May 01, 2018 | |||||
| Class 3 | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 17.73% | 7.35% | 7.79% | |||
| Performance Inception Date | May 01, 2018 |