v3.26.1
SA Allocation Aggressive Portfolio Expense Example - SA Allocation Aggressive Portfolio
Mar. 31, 2026
USD ($)
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 82
Expense Example, with Redemption, 3 Years 258
Expense Example, with Redemption, 5 Years 449
Expense Example, with Redemption, 10 Years 1,001
Class 3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 107
Expense Example, with Redemption, 3 Years 336
Expense Example, with Redemption, 5 Years 584
Expense Example, with Redemption, 10 Years $ 1,293