Absolute CEF Opportunities Closed End Fund Risk [Member] Closed End Fund Adviser Risk [Member] Fund Of Funds Risk [Member] Event Driven Risk [Member] Short Sale Risk [Member] Equity Risk [Member] Market And Geopolitical Risk [Member] Management Risk [Member] Registered Investment Company And Exchange Traded Funds Risk [Member] Money Market Fund Risk [Member] Cash And Cash Equivalents Holdings Risk [Member] Rights Risk [Member] High Portfolio Turnover Rate Risk [Member] Counterparty Risk [Member] ABSOLUTE CONVERTIBLE ARBITRAGE FUND Convertible Arbitrage Risk [Member] Convertible Securities Risk [Member] Fixed Income Securities Risk [Member] Liquidity Risk [Member] Small And Mid Sized Capitalization Company Risk [Member] Derivatives Risk [Member] Leverage Risk [Member] Currency Risk [Member] Foreign Investments Risk [Member] A D R Risk [Member] Sector Concentration Risk [Member] Large Shareholder Risk [Member] High Yield Securities Risk [Member] Preferred Stock Risk [Member] ABSOLUTE FLEXIBLE FUND Absolute CEF Opportunities INSTITUTIONAL SHARES ABSOLUTE CONVERTIBLE ARBITRAGE FUND INSTITUTIONAL SHARES ABSOLUTE CONVERTIBLE ARBITRAGE FUND INVESTOR SHARES ABSOLUTE FLEXIBLE FUND INSTITUTIONAL SHARES S&P 500® Index (reflects no deduction for fees, expenses or taxes) Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) HFRX Global Hedge Fund Index (reflects no deduction for fees, expenses or taxes) MSCI World Index (reflects no deduction for fees, expenses or taxes) S&P 500® Index (reflects no deduction for fees, expenses or taxes) HFRX Fixed Income Convertible Arbitrage Index (reflects no deduction for fees, expenses or taxes) Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) S&P 500® Index (reflects no deduction for fees, expenses or taxes) [Default Label] Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) [Default Label]