Investment Company, Portfolio Turnover Net Assets No Trading Symbol Flag C000202350 Advantage CoreAlpha Bond Master Portfolio AA/Aa [Member] AAA/Aaa [Member] A [Member] BB/Ba [Member] BBB/Baa [Member] B [Member] CCC/Caa [Member] N/R [Member] Investment Type [Axis] Asset-Backed Securities [Member] Capital Trusts [Member] Common Stocks [Member] Corporate Bonds [Member] Foreign Agency Obligations [Member] Municipal Bond [Member] Non-Agency Mortgage-Backed Securities [Member] U.S. Government Sponsored Agency Securities [Member] U.S. Treasury Obligations [Member]