v3.26.1
SA JPMorgan Ultra-Short Bond Portfolio Expense Example - SA JPMorgan Ultra-Short Bond Portfolio
Dec. 31, 2025
USD ($)
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 56
Expense Example, with Redemption, 3 Years 176
Expense Example, with Redemption, 5 Years 307
Expense Example, with Redemption, 10 Years 689
Class 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 72
Expense Example, with Redemption, 3 Years 224
Expense Example, with Redemption, 5 Years 390
Expense Example, with Redemption, 10 Years 871
Class 3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 82
Expense Example, with Redemption, 3 Years 255
Expense Example, with Redemption, 5 Years 444
Expense Example, with Redemption, 10 Years $ 990