v3.25.1
Shareholder Report, Holdings (Details)
Mar. 31, 2025
C000111026 [Member] | GMO Quality Fund Class VI [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.90%
C000111026 [Member] | RIEF Strategic Partners Fund LLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000111026 [Member] | Schwab Fundamental Emerging Markets Equity ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000111026 [Member] | iShares MSCI Global Min Vol Factor ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000111026 [Member] | AQR Large Cap Defensive Style Fund Class R6 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000111026 [Member] | GMO Equity Dislocation Investment Fund Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000111026 [Member] | Viking Global Equities LP [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000111026 [Member] | Baillie Gifford Emerging Markets Equities Fund Class K [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000111026 [Member] | iShares MSCI ACWI ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000111026 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000111026 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.30%
C000111026 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000111026 [Member] | Foreign Collective Investment Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000111026 [Member] | Open end Mutual Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 40.60%
C000111026 [Member] | Private Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000111026 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000111026 [Member] | Liabilities in Excess of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000156767 [Member] | iShares National Muni Bond ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000156767 [Member] | MacKay Municipal Opportunities Fund LP [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000156767 [Member] | MacKay Municipal Credit Opportunities Fund LP [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000156767 [Member] | City of New York 5 25 03 1 2053 Call 03 1 2034 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000156767 [Member] | Port Authority of New York And New Jersey 5 00 10 15 2041 Call 10 15 2025 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000156767 [Member] | Illinois Finance Authority 5 25 05 15 2048 Call 05 15 2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000156767 [Member] | New Jersey Transportation Trust Fund Authority 5 00 06 15 2048 Call 12 15 2032 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000156767 [Member] | Shelby County Health Educational And Housing Facilities Board AGM 3 55 06 1 2042 Call 05 1 2025 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000156767 [Member] | Puerto Rico Sales Tax Financing Corp Sales Tax Revenue 5 00 07 1 2058 Call 07 1 2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000156767 [Member] | Port of Portland Airport Revenue 5 25 07 1 2049 Call 07 1 2034 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000156767 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000156767 [Member] | Private Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000156767 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000156767 [Member] | Closed End Mutual Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000156767 [Member] | Municipal Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 73.40%
C000156767 [Member] | Other Assets in Excess of Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000162347 [Member] | GMO Equity Dislocation Investment Fund Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000162347 [Member] | GMO Benchmark Free Allocation Fund Class IV [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
C000162347 [Member] | Wilshire Bridgewater Managed Alpha Ireland Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000162347 [Member] | JPMorgan Global Allocation Fund Class R6 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
C000162347 [Member] | Lazard Rathmore Alternative Fund Class E [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000162347 [Member] | Eaton Vance Global Macro Absolute Return Advantage Fund Class R6 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000162347 [Member] | iShares Gold Trust [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000162347 [Member] | Millennium International Ltd Class GG [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000162347 [Member] | Elliott Associates LP [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000162347 [Member] | BlackRock Event Driven Equity Fund Institutional Shares [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000162347 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000162347 [Member] | Foreign Collective Investment Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000162347 [Member] | Open end Mutual Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.30%
C000162347 [Member] | Private Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000162347 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000162347 [Member] | Other Assets in Excess of Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000194824 [Member] | Vanguard Total Bond Market Index Fund Institutional Class [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000194824 [Member] | PIMCO Income Fund Institutional Class [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000194824 [Member] | DoubleLine Total Return Bond Fund I Class [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
C000194824 [Member] | Metropolitan West Total Return Bond Fund Plan Class [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000194824 [Member] | River Canyon Total Return Bond Fund Institutional Class [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000194824 [Member] | Vanguard Long Term Treasury ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000194824 [Member] | GMO Emerging Country Debt Fund Class VI [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000194824 [Member] | TPG Twin Brook Capital Income Fund I Class [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000194824 [Member] | AG Direct Lending Fund IV Annex LP [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000194824 [Member] | Vanguard High Yield Corporate Fund Admiral Shares [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000194824 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000194824 [Member] | Open end Mutual Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 85.30%
C000194824 [Member] | Private Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000194824 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000194824 [Member] | Other Assets in Excess of Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000194824 [Member] | Non Traded Business Development company [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%