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Investment Risks
Jan. 28, 2026
Poplar Forest Partners Fund | Economic And Market Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Economic and Market Risk. Economies and financial markets throughout the world are becoming increasingly interconnected, which increases the likelihood that events or conditions in one country or region will adversely impact markets or issuers in other countries or regions. Securities in the Fund’s
portfolio may underperform in comparison to securities in general financial markets, a particular financial market or other asset classes due to a number of factors, including: inflation (or expectations for inflation); deflation (or expectations for deflation); interest rates; market instability; financial system instability; debt crises and downgrades; embargoes; tariffs; sanctions and other trade barriers; regulatory events; other governmental trade or market control programs and related geopolitical events. In addition, the value of the Fund’s investments may be negatively affected by the occurrence of global events such as war, terrorism, environmental disasters, natural disasters or events, country instability, and infectious disease epidemics or pandemics. The imposition by the U.S. of tariffs on goods imported from foreign countries and reciprocal tariffs levied on U.S. goods by those countries also may lead to volatility and instability in domestic and foreign markets.
Poplar Forest Partners Fund | Management Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Management Risk. If the Adviser’s investment strategies do not produce the expected results, the value of the Partners Fund could decrease.
Poplar Forest Partners Fund | Equity Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Equity Securities Risk. The price of equity securities may rise or fall because of economic or political changes or changes in a company’s financial condition, sometimes rapidly or unpredictably. These price movements may result from factors affecting individual companies, sectors or industries selected for the Fund’s portfolio or the securities market as a whole, such as changes in economic or political conditions.
Poplar Forest Partners Fund | Value-Style Investing Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Value-Style Investing Risk. Value stocks can perform differently from the market as a whole and from other types of stocks. Value stocks may be purchased based upon the belief that a given security may be out of favor; that belief may be misplaced or the security may stay out of favor for an extended period of time.
Poplar Forest Partners Fund | Large-Sized Companies Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Large-Sized Companies Risk. Larger, more established companies may be unable to respond quickly to new competitive challenges like changes in consumer tastes or innovative smaller competitors. In addition, large-cap companies are sometimes unable to attain the high growth rates of successful, smaller companies, especially during extended periods of economic expansion.
Poplar Forest Partners Fund | Medium-Sized Companies Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Medium-Sized Companies Risk. Investing in securities of medium-sized companies may involve greater risk than investing in larger, more established companies because they can be subject to greater share price volatility than larger, more established companies.
Poplar Forest Partners Fund | Foreign Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Foreign Securities Risk. Foreign securities can be more volatile than domestic (U.S.) securities. Securities markets of other countries are generally smaller than U.S. securities markets. Many foreign securities may also be less liquid than U.S. securities, which could affect the Fund’s investments.
Poplar Forest Partners Fund | Debt Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Debt Securities Risk. The following risks are associated with the Partners Fund’s investment in debt securities.
Prepayment and Extension Risk. The risk that the securities may be paid off earlier (prepayment) or later (extension) than expected. Either situation could cause securities to pay lower-than-market rates of interest, which could hurt the Fund’s yield or share price.
Interest Rate Risk. The Fund’s investments in fixed income securities will change in value based on changes in interest rates. If rates increase, the value of these investments generally declines. Securities with greater interest rate sensitivity and longer maturities generally are subject to greater fluctuations in value.
Credit Risk. The risk of loss on an investment due to the deterioration of an issuer’s financial strength. Such a deterioration of financial strength may result in a reduction of the credit rating of the issuer’s securities and may lead to the issuer’s inability to honor its contractual obligations, including making timely payment of interest and principal.
High-Yield Securities Risk. Debt securities that are rated below investment grade (i.e., “junk bonds”) are subject to additional risk factors due to the speculative nature of these securities, such as increased possibility of default liquidation of the security, and changes in value based on public perception of the issuer.
Poplar Forest Partners Fund | Debt Securities Risk, Prepayment And Extension Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Prepayment and Extension Risk. The risk that the securities may be paid off earlier (prepayment) or later (extension) than expected. Either situation could cause securities to pay lower-than-market rates of interest, which could hurt the Fund’s yield or share price.
Poplar Forest Partners Fund | Debt Securities Risk, Interest Rate Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Interest Rate Risk. The Fund’s investments in fixed income securities will change in value based on changes in interest rates. If rates increase, the value of these investments generally declines. Securities with greater interest rate sensitivity and longer maturities generally are subject to greater fluctuations in value.
Poplar Forest Partners Fund | Debt Securities Risk, Credit Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Credit Risk. The risk of loss on an investment due to the deterioration of an issuer’s financial strength. Such a deterioration of financial strength may result in a reduction of the credit rating of the issuer’s securities and may lead to the issuer’s inability to honor its contractual obligations, including making timely payment of interest and principal.
Poplar Forest Partners Fund | Debt Securities Risk, High-Yield Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] High-Yield Securities Risk. Debt securities that are rated below investment grade (i.e., “junk bonds”) are subject to additional risk factors due to the speculative nature of these securities, such as increased possibility of default liquidation of the security, and changes in value based on public perception of the issuer.
Poplar Forest Partners Fund | Convertible Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Convertible Securities Risk. Convertible securities are subject to the risks of both debt securities and equity securities. The values of convertible securities tend to decline as interest rates rise and, due to the conversion feature, tend to vary with fluctuations in the market value of the underlying common or preferred stock.
Poplar Forest Partners Fund | Investment Company Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Investment Company Risk. When the Fund invests in an exchange-traded fund (“ETF”) or mutual fund, it will bear additional expenses based on its pro rata share of the ETF’s or mutual fund’s operating expenses, including the potential duplication of management fees. The risk of owning an ETF or mutual fund generally reflects the risks of owning the underlying securities the ETF or mutual fund holds. The Fund also will incur brokerage costs when it purchases ETFs.
Poplar Forest Partners Fund | Options Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Options Risk. Options on securities may be subject to greater fluctuations in value than an investment in the underlying securities. Purchasing and writing put and call options are highly specialized activities and entail greater than ordinary investment risks.
Poplar Forest Partners Fund | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] Losing all or a portion of your investment is a risk of investing in the Fund.
Poplar Forest Cornerstone Fund | Economic And Market Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Economic and Market Risk. Economies and financial markets throughout the world are becoming increasingly interconnected, which increases the likelihood that events or conditions in one country or region will adversely impact markets or issuers in other countries or regions. Securities in the Fund’s portfolio may underperform in comparison to securities in general financial markets, a particular financial market or other asset classes due to a number of factors, including: inflation (or expectations for inflation); deflation (or expectations for deflation); interest rates; market instability; financial system instability; debt crises and downgrades; embargoes; tariffs; sanctions and other trade barriers; regulatory events; other governmental trade or market control programs and related geopolitical events. In addition, the value of the Fund’s investments may be negatively affected by the occurrence of global events such as war, terrorism, environmental disasters, natural disasters or events, country instability, and infectious disease epidemics or pandemics. The imposition by the U.S. of tariffs on goods imported from foreign countries and reciprocal tariffs levied on U.S. goods by those countries also may lead to volatility and instability in domestic and foreign markets.
Poplar Forest Cornerstone Fund | Management Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Management Risk. If the Adviser’s investment strategies do not produce the expected results, the value of the Cornerstone Fund could decrease.
Poplar Forest Cornerstone Fund | Equity Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Equity Securities Risk. The price of equity securities may rise or fall because of economic or political changes or changes in a company’s financial condition, sometimes rapidly or unpredictably. These price movements may result from factors affecting individual companies, sectors or industries selected for the Fund’s portfolio or the securities market as a whole, such as changes in economic or political conditions.
Poplar Forest Cornerstone Fund | Value-Style Investing Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Value-Style Investing Risk. Value stocks can perform differently from the market as a whole and from other types of stocks. Value stocks may be purchased based upon the belief that a given security may be out of favor; that belief may be misplaced or the security may stay out of favor for an extended period of time.
Poplar Forest Cornerstone Fund | Medium-Sized Companies Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Medium-Sized Companies Risk. Investing in securities of medium-sized companies may involve greater risk than investing in larger, more established companies because they can be subject to greater share price volatility than larger, more established companies.
Poplar Forest Cornerstone Fund | Foreign Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Foreign Securities Risk. The risks of investing in the securities of foreign issuers can include fluctuations in foreign currencies, foreign currency exchange controls, political and economic instability, differences in securities regulation and trading, and foreign taxation issues.
Poplar Forest Cornerstone Fund | Debt Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Debt Securities Risk. The following risks are associated with the Fund’s investment in debt securities.
Prepayment and Extension Risk. The risk that the securities may be paid off earlier (prepayment) or later (extension) than expected. Either situation could cause securities to pay lower-than-market rates of interest, which could hurt the Fund’s yield or share price.
Interest Rate Risk. The Fund’s investments in fixed income securities will change in value based on changes in interest rates. If rates increase, the value of these investments generally declines. Securities with greater interest rate sensitivity and longer maturities generally are subject to greater fluctuations in value.
Credit Risk. The risk of loss on an investment due to the deterioration of an issuer’s financial strength. Such a deterioration of financial strength may result in a reduction of the credit rating of the issuer’s securities and may lead to the issuer’s inability to honor its contractual obligations, including making timely payment of interest and principal.
High-Yield Securities Risk. Debt securities that are rated below investment grade (i.e., “junk bonds”) are subject to additional risk factors due to the speculative nature of these securities, such as increased possibility of default liquidation of the security, and changes in value based on public perception of the issuer.
Municipal Securities Risk. The values of municipal securities may be adversely affected by local political and economic conditions and developments. Adverse conditions in an industry significant to a local economy could have a correspondingly adverse effect on the financial condition of local issuers. Municipal securities may be difficult to obtain because of limited supply, which may increase the cost of such securities and effectively reduce a portfolio’s yield. Typically, less information is available about a municipal issuer than is available for other types of securities issuers.
Mortgage- and Asset-Backed Securities Risk. Mortgage- and asset-backed securities generally can be prepaid at any time, and prepayments that occur either more quickly or more slowly than expected can adversely impact the value of such securities. They are also subject to extension risk, which is the risk that rising interest rates could cause mortgages or other obligations underlying the securities to be prepaid more slowly than expected, thereby lengthening the duration of such securities, increasing their sensitivity to interest rate changes and causing their prices to decline. A mortgage-backed security may be negatively affected by the quality of the mortgages underlying such security, the credit quality of its issuer or guarantor, and the nature and structure of its credit support.
Exchange-Traded Note Risk. The value of an ETN may be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in the underlying securities’ markets, changes in the applicable interest rates, changes in the issuer’s credit rating and economic, legal, political or geographic events that affect the referenced index. In addition, the notes issued by ETNs and held by the Fund are unsecured debt of the issuer.
Inflation Protected Securities Risk. The value of inflation protected securities generally will fluctuate in response to changes in “real” interest rates, generally decreasing when real interest rates rise and increasing when real interest rates fall. Real interest rates represent nominal (or stated) interest rates reduced by the expected impact of inflation. In addition, interest payments on inflation-indexed securities will generally vary up or down along with the rate of inflation.
Poplar Forest Cornerstone Fund | Debt Securities Risk, Prepayment And Extension Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Prepayment and Extension Risk. The risk that the securities may be paid off earlier (prepayment) or later (extension) than expected. Either situation could cause securities to pay lower-than-market rates of interest, which could hurt the Fund’s yield or share price.
Poplar Forest Cornerstone Fund | Debt Securities Risk, Interest Rate Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Interest Rate Risk. The Fund’s investments in fixed income securities will change in value based on changes in interest rates. If rates increase, the value of these investments generally declines. Securities with greater interest rate sensitivity and longer maturities generally are subject to greater fluctuations in value.
Poplar Forest Cornerstone Fund | Debt Securities Risk, Credit Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Credit Risk. The risk of loss on an investment due to the deterioration of an issuer’s financial strength. Such a deterioration of financial strength may result in a reduction of the credit rating of the issuer’s securities and may lead to the issuer’s inability to honor its contractual obligations, including making timely payment of interest and principal.
Poplar Forest Cornerstone Fund | Debt Securities Risk, High-Yield Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] High-Yield Securities Risk. Debt securities that are rated below investment grade (i.e., “junk bonds”) are subject to additional risk factors due to the speculative nature of these securities, such as increased possibility of default liquidation of the security, and changes in value based on public perception of the issuer.
Poplar Forest Cornerstone Fund | Convertible Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Convertible Securities Risk. Convertible securities are subject to the risks of both debt securities and equity securities. The values of convertible securities tend to decline as interest rates rise and, due to the conversion feature, tend to vary with fluctuations in the market value of the underlying common or preferred stock.
Poplar Forest Cornerstone Fund | Investment Company Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Investment Company Risk. When the Fund invests in an ETF or mutual fund, it will bear additional expenses based on its pro rata share of the ETF’s or mutual fund’s operating expenses, including the potential duplication of management fees. The risk of owning an ETF or mutual fund generally reflects the risks of owning the underlying securities the ETF or mutual fund holds. The Fund also will incur brokerage costs when it purchases ETFs.
Poplar Forest Cornerstone Fund | Options Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Options Risk. Options on securities may be subject to greater fluctuations in value than an investment in the underlying securities. Purchasing and writing put and call options are highly specialized activities and entail greater than ordinary investment risks.
Poplar Forest Cornerstone Fund | Debt Securities Risk, Municipal Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Municipal Securities Risk. The values of municipal securities may be adversely affected by local political and economic conditions and developments. Adverse conditions in an industry significant to a local economy could have a correspondingly adverse effect on the financial condition of local issuers. Municipal securities may be difficult to obtain because of limited supply, which may increase the cost of such securities and effectively reduce a portfolio’s yield. Typically, less information is available about a municipal issuer than is available for other types of securities issuers.
Poplar Forest Cornerstone Fund | Debt Securities Risk, Mortgage- And Asset-Backed Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Mortgage- and Asset-Backed Securities Risk. Mortgage- and asset-backed securities generally can be prepaid at any time, and prepayments that occur either more quickly or more slowly than expected can adversely impact the value of such securities. They are also subject to extension risk, which is the risk that rising interest rates could cause mortgages or other obligations underlying the securities to be prepaid more slowly than expected, thereby lengthening the duration of such securities, increasing their sensitivity to interest rate changes and causing their prices to decline. A mortgage-backed security may be negatively affected by the quality of the mortgages underlying such security, the credit quality of its issuer or guarantor, and the nature and structure of its credit support.
Poplar Forest Cornerstone Fund | Debt Securities Risk, Exchange-Traded Note Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Exchange-Traded Note Risk. The value of an ETN may be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in the underlying securities’ markets, changes in the applicable interest rates, changes in the issuer’s credit rating and economic, legal, political or geographic events that affect the referenced index. In addition, the notes issued by ETNs and held by the Fund are unsecured debt of the issuer.
Poplar Forest Cornerstone Fund | Debt Securities Risk, Inflation Protected Securities Risk Member  
Prospectus [Line Items]  
Risk [Text Block] Inflation Protected Securities Risk. The value of inflation protected securities generally will fluctuate in response to changes in “real” interest rates, generally decreasing when real interest rates rise and increasing when real interest rates fall. Real interest rates represent nominal (or stated) interest rates reduced by the expected impact of inflation. In addition, interest payments on inflation-indexed securities will generally vary up or down along with the rate of inflation.
Poplar Forest Cornerstone Fund | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] Losing all or a portion of your investment is a risk of investing in the Fund.