v3.26.1
SA Multi-Managed Large Cap Growth 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® Growth Index (reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 22.18% 15.04% 16.99%
Class 1      
Prospectus [Line Items]      
Average Annual Return, Percent 19.78% 9.93% 14.97%
Class 2      
Prospectus [Line Items]      
Average Annual Return, Percent 19.62% 9.76% 14.80%
Class 3      
Prospectus [Line Items]      
Average Annual Return, Percent 19.51% 9.66% 14.68%