SA Large Cap Index Portfolio Expense Example - SA Large Cap Index Portfolio |
Dec. 31, 2025
USD ($)
|
|---|---|
| Class 1 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 26 |
| Expense Example, with Redemption, 3 Years | 111 |
| Expense Example, with Redemption, 5 Years | 205 |
| Expense Example, with Redemption, 10 Years | 479 |
| Class 3 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 51 |
| Expense Example, with Redemption, 3 Years | 191 |
| Expense Example, with Redemption, 5 Years | 343 |
| Expense Example, with Redemption, 10 Years | $ 785 |