SA Multi-Managed Diversified Fixed Income 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 |
|
| Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 7.30% | (0.36%) | 1.56% | 2.01% |
| Class 1 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 6.80% | (0.50%) | 2.07% | |
| Class 2 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 6.72% | (0.63%) | 1.92% | |
| Class 3 | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 6.62% | (0.73%) | 1.83% |