Short-Term Investments [Member] ICE BofA 3 Month US Treasury Bill Index [Member] C000218810 [Member] ETF Shares Standard & Poor's 500 Index [Member] Real Estate Sector [Member] Healthcare Sector [Member] Financial Services Sector [Member] Energy Sector [Member] C000229631 [Member] Russell 1000 Index [Member] Russell 1000 Value Index [Member] S And P 1000 Index [Member] S And P Composite 1500 Index [Member] C000231438 [Member] C000235594 [Member] Nasdaq 100 Index [Member] Others each less than 1 0 [Member] Russell 1000 Growth Index [Member] C000237212 [Member] C000240858 [Member] Russell 3000 Index [Member] Russell 2000 Value Index [Member] C000241195 [Member] C000243013 [Member] Russell 1000 Equal Weight Technology Index [Member] Standard And Poor s 500 C000251449 Index [Member] C000251449 [Member] C000251450 [Member] Russell Midcap Index [Member] Russell 3000 C000251450 Index [Member] Russell 3000 C000251451 Index [Member] Russell 2000 Index [Member] C000251451 [Member] C000257449 [Member] Standard And Poor s 500 C000257449 Index [Member] C000257465 [Member] Investment Type [Axis] Net Assets Investment Company Portfolio Turnover No Trading Symbol Flag