v3.26.1
SA Multi-Managed Large Cap Value Portfolio Expense Example - SA Multi-Managed Large Cap Value Portfolio
Mar. 31, 2026
USD ($)
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 87
Expense Example, with Redemption, 3 Years 276
Expense Example, with Redemption, 5 Years 480
Expense Example, with Redemption, 10 Years 1,071
Class 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 323
Expense Example, with Redemption, 5 Years 561
Expense Example, with Redemption, 10 Years 1,246
Class 3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 112
Expense Example, with Redemption, 3 Years 354
Expense Example, with Redemption, 5 Years 615
Expense Example, with Redemption, 10 Years $ 1,361