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SA Multi-Managed International Equity Portfolio Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE Index (net)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 31.22% 8.92% 8.18%
Class 1      
Prospectus [Line Items]      
Average Annual Return, Percent 29.40% 7.54% 7.90%
Class 2      
Prospectus [Line Items]      
Average Annual Return, Percent 29.17% 7.39% 7.75%
Class 3      
Prospectus [Line Items]      
Average Annual Return, Percent 29.06% 7.29% 7.63%