High Portfolio Turnover Risk Member High Portfolio Turnover Risk Member High Portfolio Turnover Risk Member Real Estate Industry Concentration Risk, Tenant Related Risks Member Real Estate Industry Concentration Risk, Tenant Related Risks Member Real Estate Industry Concentration Risk, Tenant Related Risks Member Average Annual Return, Caption Average Annual Return, Caption Strategy Narrative [Text Block] Strategy Narrative [Text Block] Share Classes Share Classes Performance Additional Market Index [Text] Performance Additional Market Index [Text] REITS Risk, Office REITs Risk Member REITS Risk, Office REITs Risk Member REITS Risk, Office REITs Risk Member Annual Return, Inception Date Annual Return, Inception Date Annual Return 2005 Annual Return 2005 Expense Example by Year [Heading] Expense Example by Year [Heading] ETF Risks [Member] ETF Risks Member ETF Risks Member Annual Return 2006 Annual Return 2006 Annual Return 2003 Annual Return 2003 Annual Return 2004 Annual Return 2004 Annual Return 2009 Annual Return 2009 Document Effective Date Document Effective Date Annual Return 2007 Annual Return 2007 Annual Return 2008 Annual Return 2008 Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Objective, Primary [Text Block] Objective, Primary [Text Block] Performance Table Heading Performance Table Heading Portfolio Turnover [Heading] Portfolio Turnover [Heading] Factor-Based Investing Risk Member Factor-Based Investing Risk Member Factor-Based Investing Risk Member Expense Example, No Redemption, By Year, Caption [Text] Expense Example, No Redemption, By Year, Caption [Text] Component1 Other Expenses Component1 Other Expenses Risk Money Market Fund Sponsor May Not Provide Support [Member] Risk Money Market Fund Sponsor May Not Provide Support [Member] Maximum Account Fee Maximum Account Fee Shareholder Fee, Other Shareholder Fee, Other Expenses Range of Exchange Fees [Text Block] Expenses Range of Exchange Fees [Text Block] After Taxes on Distributions After Taxes on Distributions Annual Return 2001 Annual Return 2001 Highest Quarterly Return Highest Quarterly Return Annual Return 2002 Annual Return 2002 Annual Return 2000 Annual Return 2000 Annual Return 2016 Annual Return 2016 Coregistrant [Axis] Coregistrant [Axis] Annual Return 2017 Annual Return 2017 Annual Return 2014 Annual Return 2014 Annual Return 2015 Annual Return 2015 Expense Example by, Year, Caption [Text] Expense Example by, Year, Caption [Text] Annual Return 2018 Annual Return 2018 Annual Return 2019 Annual Return 2019 Management Fees (as a percentage of Assets) Management Fees (as a percentage of Assets) Performance Table Does Reflect Sales Loads Performance Table Does Reflect Sales Loads Annual Return 2012 Annual Return 2012 Shareholder Fees Column [Text] Shareholder Fees Column [Text] Annual Return 2013 Annual Return 2013 Fee Waiver or Reimbursement over Assets, Date of Termination Fee Waiver or Reimbursement over Assets, Date of Termination Exchange Fee Exchange Fee Bar Chart, Year to Date Return, Date Bar Chart, Year to Date Return, Date Annual Return 2010 Annual Return 2010 Annual Return 2011 Annual Return 2011 Annual Return 2025 Annual Return 2025 Trading Symbol Trading Symbol Risk Footnotes [Text Block] Risk Footnotes [Text Block] Risk Nondiversified Status [Member] Risk Nondiversified Status [Member] Document Creation Date Document Creation Date REITs Risk, Mortgage REITs Risk Member REITs Risk, Mortgage REITs Risk Member REITs Risk, Mortgage REITs Risk Member Operating Expenses Column [Text] Operating Expenses Column [Text] Maximum Deferred Sales Charge (as a percentage) Maximum Deferred Sales Charge (as a percentage) REIT Investment Risk Member REIT Investment Risk Member REIT Investment Risk Member Document [Axis] Document [Axis] Bar Chart, Returns 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Large-Capitalization Companies Risk [Member] Large-Capitalization Companies Risk Member Large-Capitalization Companies Risk Member Risk Closing [Text Block] Risk Closing [Text Block] Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) Strategy Portfolio Concentration [Text] Strategy Portfolio Concentration [Text] Annual Return 1994 Annual Return 1994 Annual Return 1995 Annual Return 1995 Annual Return 1992 Annual Return 1992 Annual Return 1993 Annual Return 1993 Annual Return 1998 Annual Return 1998 Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Geopolitical/Natural Disaster Risks [Member] Geopolitical/Natural Disaster Risks Member Geopolitical/Natural Disaster Risks Member New Sub-Adviser Risk [Member] New Sub-Adviser Risk Member New Sub-Adviser Risk Member Annual Return 1999 Annual Return 1999 Annual Return 1996 Annual Return 1996 Depositary Receipts Risk Member Depositary Receipts Risk Member Depositary Receipts Risk Member Risk Money Market Fund May Not Preserve Dollar [Member] Risk Money Market Fund May Not Preserve Dollar [Member] Annual Return 1997 Annual Return 1997 Expenses Restated to Reflect Current [Text] Expenses Restated to Reflect Current [Text] Bar Chart Closing [Text Block] Bar Chart Closing [Text Block] Master Limited Partnership Risk [Member] Master Limited Partnership Risk Member Master Limited Partnership Risk Member Thirty Day Yield Column [Text] Thirty Day Yield Column [Text] Acquired Fund Fees and Expenses Acquired Fund Fees and Expenses Risk/Return [Heading] Risk/Return [Heading] Thirty Day Yield Caption Thirty Day Yield Caption Money Market Seven Day Yield Money Market Seven Day Yield Real Estate Industry Concentration Risk, Interest Rate Risk Member Real Estate Industry Concentration Risk, Interest Rate Risk Member Real Estate Industry 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Narrative [Text Block] Financial Services Concentration Risk Member Financial Services Concentration Risk Member Financial Services Concentration Risk Member Prospectus [Line Items] Prospectus [Line Items] Performance Measure [Axis] Performance Measure [Axis] Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage of Offering Price) Risk Money Market Fund May Impose Fees or Suspend Sales [Member] Risk Money Market Fund May Impose Fees or Suspend Sales [Member] Component2 Other Expenses Component2 Other Expenses 10 Years 10 Years Value Stock Investment Risk Member Value Stock Investment Risk Member Value Stock Investment Risk Member Document Type Document Type Risk Not Insured Depository Institution [Member] Risk Not Insured Depository Institution [Member] Strategy [Heading] Strategy [Heading] Management Risk [Member] Management Risk Member Management Risk Member Registrant Name Registrant Name Bar Chart Does Not Reflect Sales Loads [Text] Bar Chart Does Not Reflect Sales Loads [Text] Net Expenses (as a percentage of Assets) Net Expenses (as a percentage of Assets) Risk Lose Money [Member] Risk Lose Money [Member] Performance Table Not Relevant to Tax Deferred Performance Table Not Relevant to Tax Deferred Distribution and Service (12b-1) Fees Distribution and Service (12b-1) Fees Document Period End Date Document Period End Date Performance Information Illustrates Variability of Returns [Text] Performance Information Illustrates Variability of Returns [Text] Real Estate Industry Concentration Risk, Repayment Risk Member Real Estate Industry Concentration Risk, Repayment Risk Member Real Estate Industry Concentration Risk, Repayment Risk Member S&P Composite 1500 Index (reflects no fees or expenses) S&P Composite 1500 Index (reflects no fees or expenses) S&P Composite 1500 Index (reflects no fees or expenses) Expense Example, with Redemption, 5 Years Expense Example, with Redemption, 5 Years Entity Central Index Key Entity Central Index Key Expense Example, with Redemption, 3 Years Expense Example, with Redemption, 3 Years Expense Example, with Redemption, 1 Year Expense Example, with Redemption, 1 Year Expenses Deferred Charges [Text Block] Expenses Deferred Charges [Text Block] Real Estate Industry Concentration Risk, Real Estate Operators Risk Member Real Estate Industry Concentration Risk, Real Estate Operators Risk Member Real Estate Industry Concentration Risk, Real Estate Operators Risk Member REITs Risk [Member] REITs Risk Member REITs Risk Member Risk [Axis] Risk [Axis] Portfolio Turnover [Text Block] Portfolio Turnover [Text Block] Portfolio Turnover, Rate Portfolio Turnover, Rate Year to Date Return, Label Year to Date Return, Label Expense Example Narrative [Text Block] Expense Example Narrative [Text Block] Expense Example, with Redemption, 10 Years Expense Example, with Redemption, 10 Years Real Estate Industry Concentration Risk [Member] Real Estate Industry Concentration Risk Member Real Estate Industry Concentration Risk Member All Risks [Member] All Risks [Member] Real Estate Industry Concentration Risk, Concentration Risk Member Real Estate Industry Concentration Risk, Concentration Risk Member Real Estate Industry Concentration Risk, Concentration Risk Member ETF Risks, Authorized Participants, Market Makers And Liquidity Providers Concentration Risk [Member] ETF Risks, Authorized Participants, Market Makers And Liquidity Providers Concentration Risk Member ETF Risks, Authorized Participants, Market Makers And Liquidity Providers Concentration Risk Member Periodic Reallocation Risk [Member] Periodic Reallocation Risk Member Periodic Reallocation Risk Member Series Series Amendment Flag Amendment Flag Money Market Seven Day Yield Phone Money Market Seven Day Yield Phone Acquired Fund Fees and Expenses, Based on Estimates [Text] Acquired Fund Fees and Expenses, Based on Estimates [Text] Sector Risk, Information Technology Sector Risk Member Sector Risk, Information Technology Sector Risk Member Sector Risk, Information Technology Sector Risk Member Series [Axis] Series [Axis] Expense Example [Heading] Expense Example [Heading] Risk [Heading] Risk [Heading] Expense Example, No Redemption Narrative [Text Block] Expense Example, No Redemption Narrative [Text Block] Thirty Day Yield Phone Thirty Day Yield Phone Performance Table Uses Highest Federal Rate Performance Table Uses Highest Federal Rate Money Market Seven Day Yield Column [Text] Money Market Seven Day Yield Column [Text] Bar Chart and Performance Table [Heading] Bar Chart and Performance Table [Heading] Shareholder Fees Caption [Text] Shareholder Fees Caption [Text] Risk Not Insured [Member] Risk Not Insured [Member] Quantitative Security Selection & Model Risk Member Quantitative Security Selection & Model Risk Member Quantitative Security Selection & Model Risk Member Expense Footnotes [Text Block] Expense Footnotes [Text Block] Monthly Rebalance Risk Member Monthly Rebalance Risk Member Monthly Rebalance Risk Member Performance Table One Class of after Tax Shown [Text] Performance Table One Class of after Tax Shown [Text] Emerging Markets Risk Member Emerging Markets Risk Member Emerging Markets Risk Member Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Money Market Seven Day Tax Equivalent Yield Money Market Seven Day Tax Equivalent Yield Fee Waiver or Reimbursement Fee Waiver or Reimbursement Risk Money Market Fund Price Fluctuates [Member] Risk Money Market Fund Price Fluctuates [Member] Business Development Company (BDC) Risk [Member] Business Development Company (BDC) Risk Member Business Development Company (BDC) Risk Member Prospectus Date Prospectus Date Expenses (as a percentage of Assets) Expenses (as a percentage of Assets) Limited Operating History Risk Member Limited Operating History Risk Member Limited Operating History Risk Member Investment Risk Member Investment Risk Member Investment Risk Member Supplement Closing [Text Block] Supplement Closing [Text Block] Supplement Closing [Text Block] ETF Risks, Premium-Discount Risk [Member] ETF Risks, Premium-Discount Risk Member ETF Risks, Premium-Discount Risk Member Burney U.S. Factor Rotation ETF Burney U.S. Factor Rotation ETF Class Burney U.S. Factor Rotation ETF Class, C000237980 Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Expense Example Footnotes [Text Block] Expense Example Footnotes [Text Block] Listed Private Equity Companies Risk [Member] Listed Private Equity Companies Risk Member Listed Private Equity Companies Risk Member Lowest Quarterly Return, Date Lowest Quarterly Return, Date Allocation Risk Member Allocation Risk Member Allocation Risk Member Prospectus: Prospectus: Legal Entity Identifier Legal Entity Identifier ETF Risks, Cost Of Trading Risk [Member] ETF Risks, Cost Of Trading Risk Member ETF Risks, Cost Of Trading Risk Member Risk/Return: Risk/Return: Value Style Risk [Member] Value Style Risk Member Value Style Risk Member Performance Table Narrative Performance Table Narrative Highest Quarterly Return, Date Highest Quarterly Return, Date Amendment Description Amendment Description Expenses Explanation of Nonrecurring Account Fee [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Supplement to Prospectus [Text Block] Supplement to Prospectus [Text Block] Performance Availability Phone [Text] Performance Availability Phone [Text] Cash And Cash Equivalents Risk Member Cash And Cash Equivalents Risk Member Cash And Cash Equivalents Risk Member Bar Chart, Year to Date Return Bar Chart, Year to Date Return Expense [Heading] Expense [Heading] Since Inception Since Inception Annual Return Caption [Text] Annual Return Caption [Text] Performance One Year or Less [Text] Performance One Year or Less [Text] Currency Risk Member Currency Risk Member Currency Risk Member Objective [Heading] Objective [Heading] Real Estate Industry Concentration Risk, Development Related Risks Member Real Estate Industry Concentration Risk, Development Related Risks Member Real Estate Industry Concentration Risk, Development Related Risks Member Performance Table Explanation after Tax Higher Performance Table Explanation after Tax Higher Risk Column [Text] Risk Column [Text] Expense Breakpoint, Minimum Investment Required [Amount] Expense Breakpoint, Minimum Investment Required [Amount] Expense Example, No Redemption, 3 Years Expense Example, No Redemption, 3 Years Expense Example, No Redemption, 1 Year Expense Example, No Redemption, 1 Year Small- And Mid-Capitalization Companies Risk Member Small- And Mid-Capitalization Companies Risk Member Small- And Mid-Capitalization Companies Risk Member Bar Chart Narrative [Text Block] Bar Chart Narrative [Text Block] Highest Quarterly Return, Label Highest Quarterly Return, Label Label Label Performance Availability Website Address [Text] Performance Availability Website Address [Text] New Fund Risk [Member] New Fund Risk Member New Fund Risk Member Objective, Secondary [Text Block] Objective, Secondary [Text Block] Foreign Securities Risk Member Foreign Securities Risk Member Foreign Securities Risk Member Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Bar Chart [Heading] Bar Chart [Heading] Expense Example Closing [Text Block] Expense Example Closing [Text Block] Real Estate Industry Concentration Risk, Property Risk Member Real Estate Industry Concentration Risk, Property Risk Member Real Estate Industry Concentration Risk, Property Risk Member ETF Risks, Trading Risk [Member] ETF Risks, Trading Risk Member ETF Risks, Trading Risk Member