v3.26.1
SA Allocation Moderate Portfolio Expense Example - SA Allocation Moderate Portfolio
Mar. 31, 2026
USD ($)
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 81
Expense Example, with Redemption, 3 Years 254
Expense Example, with Redemption, 5 Years 443
Expense Example, with Redemption, 10 Years 989
Class 3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 106
Expense Example, with Redemption, 3 Years 333
Expense Example, with Redemption, 5 Years 578
Expense Example, with Redemption, 10 Years $ 1,282