v3.26.1
SA Large Cap Growth Index Portfolio Annual Fund Operating Expenses - SA Large Cap Growth Index Portfolio
Dec. 31, 2025
Class 1  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.05%
Expenses (as a percentage of Assets) 0.35%
Class 3  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30%
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.05%
Expenses (as a percentage of Assets) 0.60%