v3.25.2
SA Allocation Balanced Portfolio Investment Objectives and Goals - SA Allocation Balanced Portfolio
Mar. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] SA Allocation Balanced Portfolio
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:12pt;font-style:italic;font-weight:bold;">Investment Goal</span>
Objective, Primary [Text Block] The Portfolio’s investment goal is long-term capital appreciation and current income.