AB 500 Plus IndexSM [Member] Buffer Risk [Member] Dimensional International Equity Focus [Member] Invesco QQQ ETF [Member] MSCI EAFE Index [Member] One Year, Cap Rate Index Strategy 100% Buffer [Member] One Year, Cap Rate Index Strategy 10% Buffer [Member] One Year, Cap Rate Index Strategy 15% Buffer [Member] One Year, Cap Rate Index Strategy 30% Buffer [Member] One Year Dual Directional Index Strategy 10% Buffer [Member] One Year Dual Directional Index Strategy 15% Buffer [Member] One Year Enhanced Cap Rate Index Strategy 10% Buffer [Member] One Year Enhanced Cap Rate Index Strategy 15% Buffer [Member] One Year Step Rate Plus Index Strategy 10% Buffer [Member] One Year Step Rate Plus Index Strategy 5% Buffer [Member] S&P 500®1 [Member] Six Year Cap Rate Index Strategy 100% Buffer [Member] Six Year Cap Rate Index Strategy 20% Buffer [Member] Six Year Cap Rate Index Strategy 30% Buffer [Member] Six Year Dual Directional Index Strategy 10% Buffer [Member] Six Year Dual Directional Index Strategy 15% Buffer [Member] Six Year Dual Directional Index Strategy 20% Buffer [Member] Six Year Enhanced Cap Rate Index Strategy 20% Buffer [Member] Six Year Enhanced Cap Rate Index Strategy 30% Buffer [Member] Six Year Participation Rate with Cap Strategy 10% Buffer [Member] Six Year Participation Rate with Cap Strategy 1% Buffer [Member] Six Year Participation Rate with Cap Strategy 20% Buffer [Member] Six Year Tiered Participation Rate Index Strategy 10% Buffer [Member] Six Year Tiered Participation Rate Index Strategy 5% Buffer [Member] Six Year Tiered Participation Rate Index Strategy 1% Buffer [Member] Standard and Poors 500 Index [Member] Three Year, Cap Rate Index Strategy 100% Buffer [Member] Three Year, Cap Rate Index Strategy 10% Buffer [Member] Three Year, Cap Rate Index Strategy 20% Buffer [Member] Three Year Enhanced Cap Rate Index Strategy 10% Buffer [Member] Three Year Enhanced Cap Rate Index Strategy 20% Buffer [Member] iShares Russell 2000 ETF [Member] Buffer Risk Member Six Year Cap Rate Index Strategy100 Buffer Member Invesco QQQETFMember MSCIEAFEIndex Member Standard And Poors500 Index Member One Year Enhanced Cap Rate Index Strategy10 Buffer Member One Year Cap Rate Index Strategy15 Buffer Member Six Year Tiered Participation Rate Index Strategy Member Three Year Cap Rate Index Strategy100 Buffer Member Dimensional International Equity Focus Member i Shares Russell2000 ETFMember Six Year Dual Directional Index Strategy20 Buffer Member Six Year Dual Directional Index Strategy10 Buffer Member Three Year Cap Rate Index Strategy20 Buffer Member Three Year Cap Rate Index Strategy10 Buffer Member One Year Enhanced Cap Rate Index Strategy15 Buffer Member Three Year Enhanced Cap Rate Index Strategy10 Buffer Member Six Year Cap Rate Index Strategy30 Buffer Member One Year Dual Directional Index Strategy15 Buffer Member Three Year Enhanced Cap Rate Index Strategy20 Buffer Member Six Year Dual Directional Index Strategy15 Buffer Member One Year Step Rate Plus Index Strategy10 Buffer Member AB500 Plus Index SMMember Six Year Participation Rate With Cap Strategy1 Buffer Member Six Year Enhanced Cap Rate Index Strategy20 Buffer Member Six Year Tiered Participation Rate Index Strategy10 Buffer Member Six Year Enhanced Cap Rate Index Strategy30 Buffer Member One Year Cap Rate Index Strategy100 Buffer Member One Year Step Rate Plus Index Strategy5 Buffer Member One Year Cap Rate Index Strategy10 Buffer Member Six Year Cap Rate Index Strategy20 Buffer Member One Year Cap Rate Index Strategy30 Buffer Member Six Year Participation Rate With Cap Strategy10 Buffer Member SP5001 Member One Year Dual Directional Index Strategy10 Buffer Member Six Year Tiered Participation Rate Index Strategy5 Buffer Member Six Year Participation Rate With Cap Strategy20 Buffer Member