Institutional Shares And Class A Shares [Member] Westwood Quality Value Fund Equity Risk [Member] Large Capitalization Company Risk [Member] Market Risk [Member] Real Estate Securities And R E I T Risk [Member] M L P Risk [Member] Sector Risk [Member] Value Investing Risk [Member] Foreign Securities Risk [Member] Foreign Currency Risk [Member] Geographic Focus Risk [Member] Institutional Shares [Member] Westwood Quality Smidcap Fund Small And Mid Capitalization Company Risk [Member] Liquidity Risk [Member] Sector [Member] E T F Risk [Member] Institutional Shares Class A Shares And Class C Shares [Member] Westwood Quality SmallCap Fund Small Capitalization Company Risk [Member] Westwood Income Opportunity Fund Micro Capitalization Company Risk [Member] Convertible Securities Risk [Member] High Yield Bond Risk [Member] Fixed Income Risk [Member] Money Market Instruments Risk [Member] Corporate Bond Risk [Member] U S Government Securities Risk [Member] Emerging Markets Securities Risk [Member] Preferred Stock Risk [Member] Mortgage Backed Securities Risk [Member] Warrants Risk [Member] Derivatives Risk [Member] Frequent Trading Risk [Member] Westwood Multi-Asset Income Fund Asset Backed Securities Risk [Member] Inflation Linked Securities Risk [Member] Collateralized Mortgage Obligations Risk [Member] T B A Dollar Roll Risk [Member] Bank Loans Risk [Member] Westwood Alternative Income Fund Short Sales Risk [Member] Absolute Return Strategy Risk [Member] Westwood Real Estate Income Fund Real Estate Securities And R E I Ts Risk [Member] Lower Rated Debt Securities Junk Bonds Risk [Member] Large Capitalization Stocks Risk [Member] Borrowing Risk [Member] Concentration Risk [Member] Counterparty Risk [Member] Debt Instruments Risk [Member] Exchange Traded Funds E T Fs Risk [Member] Management Style Risk [Member] Market Events Risk [Member] Master Limited Partnerships M L Ps Risk [Member] Mortgage Related And Other Asset Backed Securities Risk [Member] Restricted And Illiquid Securities Risk [Member] Institutional Shares A Class C Class [Member] Westwood Broadmark Tactical Growth Fund Model And Data Risk [Member] Cash And Cash Equivalents Risks [Member] Emerging Market Risk [Member] Exchange Traded Notes E T Ns Risk [Member] Investment In Money Market Mutual Funds Risk [Member] Leverage Risk [Member] Portfolio Turnover Risk [Member] Short Sale Risk [Member] Sub Advisor Risk [Member] Tax Risk [Member] Institutional Shares Class A Shares And Class F Shares [Member] Westwood Broadmark Tactical Plus Fund Cash And Cash Equivalents Risk [Member] Hedging Risk [Member] Overseas Exchanges Risk [Member] Sub Adviser Risk [Member] Swap Agreements Risk [Member] Volatility Risk [Member] Westwood Salient MLP & Energy Infrastructure Fund Industry Specific Risk [Member] Renewable Energy Companies Risk [Member] Non Diversification Risk [Member] Tax Law Change Risk [Member] Ultra Shares [Member] Values Investing Risk [Member] Ultra Fund [Member] Equity Securities Risk [Member] Westwood Salient Enhanced Midstream Income E T F [Member] Westwood Salient Enhanced Midstream Income ETF M L Ps Risk [Member] Covered Call Strategy Risk [Member] E T F Risks [Member] F L E X Options Risk [Member] Management Risk [Member] Options Risk [Member] Westwood Salient Enhanced Energy Income E T F [Member] Westwood Salient Enhanced Energy Income ETF Energy Sector Risk [Member] Oil And Gas Companies Risk [Member] Midstream Energy Companies Risk [Member] Marine Shipping Energy Companies Risk [Member] Geopolitical Risk [Member] Westwood Quality Value Fund Institutional Shares Westwood Quality Value Fund A Class Shares Westwood Quality SmallCap Fund Institutional Shares Westwood Quality SmallCap Fund A Class Shares Westwood Quality SmallCap Fund C Class Shares Westwood Income Opportunity Fund Institutional Shares Westwood Income Opportunity Fund A Class Shares Westwood Income Opportunity Fund C Class Shares Westwood Multi-Asset Income Fund Institutional Shares Westwood Multi-Asset Income Fund A Class Shares Westwood Alternative Income Fund Institutional Shares Westwood Alternative Income Fund A Class Shares Westwood Real Estate Income Fund Institutional Shares Westwood Real Estate Income Fund A Class Shares Westwood Broadmark Tactical Growth Fund Institutional Shares Westwood Broadmark Tactical Growth Fund A Class Shares Westwood Broadmark Tactical Growth Fund C Class Shares Westwood Broadmark Tactical Plus Fund Institutional Shares Westwood Broadmark Tactical Plus Fund A Class Shares Westwood Broadmark Tactical Plus Fund F Class Shares Westwood Salient MLP & Energy Infrastructure Fund Institutional Shares Westwood Salient MLP & Energy Infrastructure Fund A Class Shares Westwood Salient MLP & Energy Infrastructure Fund C Class Shares Westwood Quality Smidcap Fund Institutional Shares Westwood Quality Value Fund Ultra Shares Westwood Quality Smidcap Fund Ultra Shares Westwood Quality SmallCap Fund Ultra Shares Westwood Income Opportunity Fund Ultra Shares Westwood Alternative Income Fund Ultra Shares Westwood Salient MLP & Energy Infrastructure Fund Ultra Fund Westwood Salient Enhanced Midstream Income ETF Westwood Salient Enhanced Energy Income ETF Russell 3000® Index (reflects no deduction for fees, expenses, or taxes) Russell 1000® Value Index (reflects no deduction for fees, expenses, or taxes) Russell 2500® Value Index (reflects no deduction for fees, expenses, or taxes) Russell 2000® Value Index (reflects no deduction for fees, expenses, or taxes) Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes) Blended Sixty Forty Bloomberg Barclays U S Aggregate Bond Index S And P 500 Index Reflects No Deduction For Fees Expenses Or Taxes [Member] S&P 500® Index (reflects no deduction for fees, expenses, or taxes) Blended Eighty Twenty Bloomberg Barclays U S Aggregate Bond Index S And P 500 Index Reflects No Deduction For Fees Expenses Or Taxes [Member] F T S E One Month U S Treasury Bill Index Reflects No Deduction For Fees Expenses Or Taxes [Member] I C E Bof A M L Fixed Rate Preferred Securities Index Reflects No Deduction For Fees Expenses Or Taxes [Member] HFRX Equity Hedge Index* (reflects no deduction for fees, expenses or taxes) Alerian Midstream Energy Select Index* (reflects no deduction for fees, expenses or taxes) Blended 60/40 Bloomberg U.S. Aggregate Bond Index/S&P 500® Index (reflects no deduction for fees, expenses, or taxes) FTSE 1-Month U.S. Treasury Bill Index (reflects no deduction for fees, expenses, or taxes) Westwood Salient Enhanced Midstream Income ETF [Default Label] Westwood Salient Enhanced Energy Income ETF [Default Label]