SA BlackRock Advantage International Portfolio (Class 3) (formerly, SA Morgan Stanley International Equities Portfolio) (Class 3) [Member] SA Fidelity Institutional AM International Growth Portfolio (Class 3) [Member] SA Franklin BW U.S. Large Cap Value Portfolio (Class 3) [Member] SA Franklin Core Fixed Income Portfolio (Class 1) [Member] SA Franklin Core Fixed Income Portfolio (Class 3) [Member] SA Franklin Large Cap Disciplined Growth Portfolio (Class 3) [Member] SA Franklin Mid Cap Core Portfolio (Class 3) [Member] SA Franklin Small Company Value Portfolio (Class 3) [Member] SA Franklin Systematic U.S. Large Cap Core Portfolio (Class 3) [Member] SA Franklin Systematic U.S. Large Cap Value Portfolio (Class 1) [Member] SA Index Allocation 6040 Portfolio (Class 3) [Member] SA JPMorgan MFS Core Bond Portfolio (Class 3) [Member] SA JPMorgan UltraShort Bond Portfolio (Class 1) [Member] SA Large Cap Value Index Portfolio (Class 3) [Member] SA MFS Large Cap Growth Portfolio (Class 3) [Member] SA MultiManaged Diversified Fixed Income Portfolio (Class 3) [Member]