SA Multi-Managed Small Cap Portfolio Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 111 Months Ended | 120 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 3000® Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.55% | 14.29% |
| Russell 2000® Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 12.81% | 6.09% | 9.62% | |
| Class 1 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 6.62% | 6.43% | 8.29% | |
| Class 2 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 6.43% | 6.27% | 8.13% | |
| Class 3 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 6.26% | 6.16% | 8.02% |