v3.25.2
SA Multi-Managed Mid Cap Value Portfolio Expense Example - SA Multi-Managed Mid Cap Value Portfolio
Mar. 31, 2025
USD ($)
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 102
Expense Example, with Redemption, 3 Years 318
Expense Example, with Redemption, 5 Years 552
Expense Example, with Redemption, 10 Years 1,225
Class 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 117
Expense Example, with Redemption, 3 Years 365
Expense Example, with Redemption, 5 Years 633
Expense Example, with Redemption, 10 Years 1,398
Class 3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 127
Expense Example, with Redemption, 3 Years 397
Expense Example, with Redemption, 5 Years 686
Expense Example, with Redemption, 10 Years $ 1,511