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SA JPMorgan Emerging Markets Portfolio Average Annual Total Returns
12 Months Ended 60 Months Ended 80 Months Ended 92 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI ACWI ex USA Index (net)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent 32.39% 7.91% 8.64% 7.01% 8.41%
MSCI Emerging Markets Index (net)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent 33.57% 4.20%   5.02% 8.42%
Class 1          
Prospectus [Line Items]          
Average Annual Return, Percent 36.28% 4.64%     8.42%
Class 2          
Prospectus [Line Items]          
Average Annual Return, Percent 35.98% 4.46%     8.26%
Class 3          
Prospectus [Line Items]          
Average Annual Return, Percent 36.00% 4.37%     8.15%