SA Multi-Managed Small Cap Portfolio Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 99 Months Ended | 120 Months Ended |
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
|
| Russell 3000® Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 23.81% | 13.86% | 14.24% | 12.55% |
| Russell 2000® Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 11.54% | 7.40% | 7.82% | |
| Class 1 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 10.39% | 7.52% | 6.97% | |
| Class 2 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 10.27% | 7.37% | 6.82% | |
| Class 3 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 10.22% | 7.26% | 6.71% |