v3.26.1
SA Multi-Managed Large Cap Value Portfolio Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
S&P 500® Index (reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 17.88% 14.42% 14.82%
S&P 500® Value Index (reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 13.19% 12.96% 11.73%
Class 1      
Prospectus [Line Items]      
Average Annual Return, Percent 12.99% 11.03% 10.10%
Class 2      
Prospectus [Line Items]      
Average Annual Return, Percent 12.81% 10.84% 9.93%
Class 3      
Prospectus [Line Items]      
Average Annual Return, Percent 12.67% 10.73% 9.82%