SA Large Cap Growth Index Portfolio Expense Example - SA Large Cap Growth Index Portfolio |
Dec. 31, 2025
USD ($)
|
|---|---|
| Class 1 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 36 |
| Expense Example, with Redemption, 3 Years | 113 |
| Expense Example, with Redemption, 5 Years | 197 |
| Expense Example, with Redemption, 10 Years | 443 |
| Class 3 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 61 |
| Expense Example, with Redemption, 3 Years | 192 |
| Expense Example, with Redemption, 5 Years | 335 |
| Expense Example, with Redemption, 10 Years | $ 750 |