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SA BlackRock Advantage International Portfolio Average Annual Total Returns
12 Months Ended 60 Months Ended 92 Months Ended 107 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
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% 7.38% 8.70% 8.18%
Class 1          
Prospectus [Line Items]          
Average Annual Return, Percent 21.24% 5.49%     6.36%
Class 2          
Prospectus [Line Items]          
Average Annual Return, Percent 21.14% 5.33%     6.20%
Class 3          
Prospectus [Line Items]          
Average Annual Return, Percent 20.99% 5.23%     6.11%