Abbey Capital Futures Strategy Fund Class A Shares Class T Shares Class I Shares Class C Shares Commodity Sector Risk Counterparty Risk Credit Risk [Member] Currency Risk Cyber Security Risk Derivatives Risk Emerging Markets Risk Fixed Income Securities Risk Foreign Investments Risk Forward and Futures Risk Government Intervention and Regulatory Changes Hedging Transactions Risk High Portfolio Turnover Risk Interest Rate Risk Leveraging Risk Management Risk Market Risk Market Risk Multi-Manager Dependence Risk New Adviser Risk Options Risk Quantitative Trading Strategies Risk Short Sales Risk Subsidiary Risk Tax Risk S&P 500® Total Return Index (reflects no deduction for fees, expenses and taxes) ABBEY CAPITAL MULTI ASSET FUND Class I Shares Class A Shares Class C Shares Equity and Equity-Related Securities Risk Government Intervention and Regulatory Changes Risk Other Investment Companies Risk S&P 500® Total Return Index (reflects no deduction for fees, expenses and taxes) Adara Smaller Companies Fund Adara Smaller Companies Fund Shares Allocation Risk Convertible Securities Risk Equity Securities Risk Growth Stock Risk Illiquid Securities Risk IPO Risk Portfolio Turnover Risk REIT Risk Small and Micro-Cap Risk Special Situations Risk Sub-Adviser and Strategy Concentration Risk Tax-Managed Investment Risk Unseasoned Issuers Risk Value Stock Risk Russell 3000® Index (reflects no deduction for fees, expenses and taxes) Russell 2000® Index (reflects no deduction for fees, expenses and taxes) Aquarius International Fund Aquarius International Fund Shares American Depositary Receipts and Global Depository Receipts Risk Currency and Exchange Risk Emerging Market Risk ETF Risk Foreign Custody Risk Foreign Securities Risk Investments in Other Investment Companies Risk Large Capitalization Risk Mid-Capitalization Risk Prepayment Risk [Member] Small and Micro-Capitalization Risk MSCI AC World Index ex USA Gross Index (reflects no deduction for fees, expenses and taxes) Boston Partners All-Cap Value Fund Institutional Class Investor Class Illiquid Investments Risk Large-Cap Companies Risk Micro-Cap Companies Risk Mid-Cap Companies Risk Small Cap Companies Risk Russell 3000® Total Return Index (reflects no deduction for fees, expenses or taxes) Russell 3000® Value Index (reflects no deduction for fees, expenses or taxes) Boston Partners Global Equity Fund Institutional Class Exchange-Traded Fund Risk REITs Risk Securities Lending Risk MSCI World Index - Gross Return (reflects no deduction for fees, expenses or taxes) MSCI World Index - Net Return (reflects no deduction for fees, expenses or taxes) Boston Partners Global Sustainability Fund Institutional Class Sustainable Investment Risk MSCI World Index - Gross Return (reflects no deduction for fees, expenses or taxes) MSCI World Index - Net Return (reflects no deduction for fees, expenses or taxes) Boston Partners Long/Short Equity Fund Institutional Class Investor Class High Yield Debt Obligations Risk S&P 500® Index (reflects no deduction for fees, expenses or taxes) Boston Partners Long/Short Research Fund Institutional Class Investor Class Indexed Securities Risk S&P 500® Index (reflects no deduction for fees, expenses or taxes) Boston Partners Small Cap Value Fund II Institutional Class Investor Class Russell 3000® Total Return Index (reflects no deduction for fees, expenses or taxes) Russell 2000® Value Index (reflects no deduction for fees, expenses or taxes) WPG Partners Select Small Cap Value Fund Institutional Class OTC Risk Rights and Warrants Risk Russell 3000® Total Return Index (reflects no deduction for fees, expenses or taxes) Russell 2000® Value Index (reflects no deduction for fees, expenses or taxes) WPG Partners Small Cap Value Diversified Fund Institutional Class Micro-Cap Companies Risk Russell 3000® Total Return Index (reflects no deduction for fees, expenses or taxes) Russell 2000® Value Index (reflects no deduction for fees, expenses or taxes) Campbell Systematic Macro Fund Class A Shares Class I Shares Class C Shares Commodities Risk Fixed Income Risk Foreign Market Risk Futures and Forward Contracts and Related Risks General Market Risk Government Agency Risk Leverage/Volatility Risk Liquidity Risk OTC Trading Risk Regulatory Risk Strategy Risk S&P 500 Total Return Index (reflects no deduction for fees, expenses or taxes) SG CTA Index (reflects no deduction for fees, expenses or taxes) BarclayHedge BTOP50 Index (reflects no deduction for fees, expenses or taxes) F/m Emerald Life Sciences Innovation ETF F/m Emerald Life Sciences Innovation ETF Shares Concentration Risk Depositary Receipts Risk Health Care Sector Risk Infectious Illness Risk Initial Public Offerings (“IPOs”) Risk Issuer Risk Large-Capitalization Investing Risk Life Science Companies Risk Micro-Cap and Small Cap Companies Risk Mid-Capitalization Companies Risk New Fund Risk Operational Risk Preferred Stock Risk Private Placements Risk Risk of Investing in the United 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Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) Composite Index Matson Money U.S. Equity VI Portfolio Institutional Class Foreign Stock Risk Market Capitalizations Risk Other Portfolio Investment Risk Investment Strategy Risk Underlying Portfolio Investment Risk Investment Opportunity Risk Equity Securities Risk Investing In Other Investment Companies Risk U.S. Stock Market Risk Passive Management Risk Derivative Instruments Risk Underlying Investment Strategies Risk ETFs Risk Russell 3000™ Total Return Index (reflects no deduction for fees, expenses or taxes) Composite Index Matson Money International Equity VI Portfolio Institutional Class Foreign Equity Securities Risk Underlying Investment Advisers Risk Foreign Stock Unexpected Loss Risk Foreign Issuers Risk Emerging Market Risk Depositary Receipts Risk MSCI World ex USA Index (net dividends) (reflects no deduction for fees, expenses or taxes) Composite Index Matson Money Fixed Income VI Portfolio Institutional Class Fixed Income Securities Risk U.S. Government Agencies Risk Money Market And General Economic Conditions Risk Inflation Protected Securities Risk Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) Composite Index Motley Fool 100 Index ETF Motley Fool 100 Index ETF Shares Equity Markets Risk Index Rankings and Methodology Risk Passive Investment Risk Sector Concentration Risk Tracking Error Risk Motley Fool 100 Index (reflects no deduction for fees, expenses or taxes) S&P 500 Total Return Index (reflects no deduction for fees, expenses or taxes) Motley Fool Global Opportunities ETF Motley Fool Global Opportunities ETF Shares Active Management Risk Company and Market Risk Investment Style Risk Emerging Market Countries Risk Small and Mid-Capitalization Companies Risk FTSE Global All Cap Net Tax Index (reflects no deduction for fees, expenses or taxes) Motley Fool Mid-Cap Growth ETF Motley Fool Mid-Cap Growth ETF Shares Russell 3000® Index (reflects no deduction for fees, expenses or taxes) Russell Midcap® Growth Total Return Index (reflects no deduction for fees, expenses or taxes) Motley Fool Small-Cap Growth ETF Motley Fool Small-Cap Growth ETF Shares Russell 3000® Index (reflects no deduction for fees, expenses or taxes) Russell 2000® Growth Total Return Index (reflects no deduction for fees, expenses or taxes) Motley Fool Next Index ETF Motley Fool Next Index ETF Shares Small-Capitalization Companies Risk Russell 3000® Index (reflects no deduction for fees, expenses or taxes) Motley Fool Next - Total Return Index (reflects no deduction for fees, expenses or taxes) Russell Midcap® Growth Total Return Index (reflects no deduction for fees, expenses or taxes) Motley Fool Capital Efficiency 100 Index ETF Motley Fool Capital Efficiency 100 Index ETF Shares Motley Fool Capital Efficiency Index (reflects no deduction for fees, expenses or taxes) S&P 500 Total Return Index (reflects no deduction for fees, expenses or taxes) Oakhurst Fixed Income Fund Institutional Shares Retail Shares Concentration Risk - Mortgage-Backed Securities Corporate Bonds Investment and Market Risk Other Fixed Income Securities Risks Risks Associated With Particular Types of Fixed-Income Securities Sector Concentration Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes) Optima Strategic Credit Fund Founders Class Investor Class Cash Positions Risk Credit Default Swap Index Product Risk Credit Default Swap Risk Futures Risk High Yield Securities Risk Underlying Funds Risk Preferred Securities Risk Quantitative Trading Strategy Risk U.S. Government Securities Risk Valuation Risk Bloomberg U.S. Universal Total Return Index (reflects no deduction for fees, expenses or taxes) Markit CDX.NA.HY 5Y Long Total Return Index (reflects no deduction for fees, expenses or taxes) SGI U.S. Large Cap Equity Fund Class I Shares Class A Shares Class C Shares Affiliated Fund Risk Common Stock Risk Investment Companies and ETFs Risk Low Volatility Risk Opportunity Risk Warrants Risk S&P 500® Total Return Index (reflects reinvestment of dividends and no deductions for fees, expenses or taxes) SGI Global Equity Fund Class I Shares Class A Shares Class C Shares S&P Global Broad Market Index (reflects no deductions for fees, expenses or taxes) SGI Small Cap Core Fund Class I Shares Equity Stock Risk Investment Companies and Exchange-Traded Funds (“ETFs”) Risk Small Cap Risk Russell 3000 Index (reflects no deductions for fees, expenses or taxes) SGI U.S. Large Cap Equity VI Portfolio SGI U.S. Large Cap Equity VI Portfolio Shares No Operating History Risk SGI Peak Fund Class I Shares Dividend-Paying Securities Risk Equity Risk Growth Risk High-Yield Securities (“Junk Bond”) Risk Index Management Risk Industry or Sector Focus Risk Large-Capitalization Companies Risk S&P 500® Total Return Index (reflects reinvestment of dividends and no deductions for fees, expenses or taxes) SGI Prudent Fund Class I Shares S&P 500® Total Return Index (reflects reinvestment of dividends and no deductions for fees, expenses or taxes) 60% S&P 500 TR/40% Bloomberg Aggregate Bond (reflects reinvestment of dividends and no deductions for fees, expenses or taxes) SGI U.S. Large Cap Core ETF SGI U.S. Large Cap Core ETF Shares Over-the-Counter Risk Semi-Transparent Structure Risk S&P 500® Total Return Index (reflects reinvestment of dividends and no deductions for fees, expenses or taxes) SGI Dynamic Tactical ETF SGI Dynamic Tactical ETF Shares S&P 500® Total Return Index (reflects reinvestment of dividends and no deductions for fees, expenses or taxes) 75% S&P 500 TR/25% Bloomberg Aggregate Bond (reflects reinvestment of dividends and no deductions for fees, expenses or taxes) SGI Enhanced Global Income ETF SGI Enhanced Global Income ETF Shares Large Shareholder Risk Leverage Risk Other Investment Company Risk Price Participation Risk Referenced Index Risk SGI Enhanced Core ETF SGI Enhanced 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(reflects no deduction for fees, expenses or taxes) ICE BofA Current 7-Year US Treasury Index (reflects no deduction for fees, expenses or taxes) ICE US Treasury Code Bond Index (reflects no deduction for fees, expenses or taxes) F/m US Treasury 5 Year Note ETF F/m US Treasury 5 Year Note ETF Shares Bloomberg US Treasury Bellwether 5Y Total Return USD Unhedged Index (I00092US). (reflects no deduction for fees, expenses or taxes) ICE BofA Current 5-Year US Treasury Index (reflects no deduction for fees, expenses or taxes) ICE US Treasury Code Bond Index (reflects no deduction for fees, expenses or taxes) F/m US Treasury 3 Year Note ETF F/m US Treasury 3 Year Note ETF Shares Bloomberg US Treasury Bellwether 3Y Total Return USD Unhedged Index (I06674US) (reflects no deduction for fees, expenses or taxes) ICE BofA Current 3-Year US Treasury Index (reflects no deduction for fees, expenses or taxes) ICE US Treasury Code Bond Index (reflects no deduction for fees, expenses or taxes) F/m US Treasury 2 Year Note ETF F/m US Treasury 2 Year Note ETF Shares Bloomberg US Treasury Bellwether 2Y Total Return USD Unhedged Index (BTB2TRUU) (reflects no deduction for fees, expenses or taxes) ICE BofA Current 2-Year US Treasury Total Return Index (reflects no deduction for fees, expenses or taxes) ICE US Treasury Code Bond Index (reflects no deduction for fees, expenses or taxes) F/m US Treasury 12 Month Bill ETF F/m US Treasury 12 Month Bill ETF Shares Bloomberg US Treasury Bellwether 1Y Total Return USD Unhedged Index (I01061US) (reflects no deduction for fees, expenses or taxes) ICE BofA US 1-Year Treasury Bill Total Return Index (reflects no deduction for fees, expenses or taxes) ICE US Treasury Code Bond Index (reflects no deduction for fees, expenses or taxes) F/m US Treasury 6 Month Bill ETF F/m US Treasury 6 Month Bill ETF Shares Bloomberg US Treasury Bellwether 6M Total Return USD Unhedged Index (I00088US) (reflects no deduction for fees, expenses or taxes) ICE BofA 6-Month US Treasury Bill Index (reflects no deduction for fees, expenses or taxes) ICE US Treasury Code Bond Index (reflects no deduction for fees, expenses or taxes) F/m US Treasury 3 Month Bill ETF F/m US Treasury 3 Month Bill ETF Shares Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index (I00087US) (reflects no deduction for fees, expenses or taxes) ICE BofA 3 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