v3.26.1
SA Multi-Managed Small Cap Portfolio Expense Example - SA Multi-Managed Small Cap Portfolio
Mar. 31, 2026
USD ($)
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 110
Expense Example, with Redemption, 3 Years 343
Expense Example, with Redemption, 5 Years 595
Expense Example, with Redemption, 10 Years 1,317
Class 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 125
Expense Example, with Redemption, 3 Years 390
Expense Example, with Redemption, 5 Years 676
Expense Example, with Redemption, 10 Years 1,489
Class 3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 135
Expense Example, with Redemption, 3 Years 421
Expense Example, with Redemption, 5 Years 729
Expense Example, with Redemption, 10 Years $ 1,601