v3.26.1
SA Franklin Small Company Value Portfolio Expense Example - SA Franklin Small Company Value Portfolio
Dec. 31, 2025
USD ($)
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 102
Expense Example, with Redemption, 3 Years 329
Expense Example, with Redemption, 5 Years 575
Expense Example, with Redemption, 10 Years 1,278
Class 3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 127
Expense Example, with Redemption, 3 Years 407
Expense Example, with Redemption, 5 Years 708
Expense Example, with Redemption, 10 Years $ 1,563