Fees and Expenses	Jan. 28, 2026 USD ($)
Poplar Forest Partners Fund
Prospectus [Line Items]
Expense Heading [Optional Text]	Fees and Expenses of the Fund
Expense Narrative [Text Block]	This table describes the fees and expenses that you may pay if you buy, hold, and sell Class A shares and Institutional Class shares of the Partners Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund’s Class A shares. Certain financial intermediaries also may offer variations in Fund sales charges to their customers as described in Appendix A to the statutory Prospectus. More information about these and other discounts is available from your financial professional and in the “Shareholder Information” section on page 20 of the Fund’s statutory Prospectus, the “More About Class A Shares” section on page 33 of the Fund’s statutory Prospectus, the “Breakpoints/Volume Discounts and Sales Charge Waivers” section on page 32 of the Fund’s Statement of Additional Information (“SAI”), and Appendix A to the Statutory Prospectus.
Shareholder Fees Caption [Optional Text]	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Optional Text]	ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Expense Example [Heading]	Example.
Expense Example Narrative [Text Block]	This Example is intended to help you compare the cost of investing in the Partners Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (taking into account the Expense Cap only through January 28, 2027).
Expense Example by, Year, Caption [Text]	Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Portfolio Turnover [Heading]	Portfolio Turnover.
Portfolio Turnover [Text Block]	The Partners Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 26% of the average value of its portfolio.
Portfolio Turnover, Rate	26.00%
Poplar Forest Partners Fund | Poplar Forest Partners Fund Class A
Prospectus [Line Items]
Expense Breakpoint Discounts [Text]	You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund’s Class A shares.
Expense Breakpoint, Minimum Investment Required [Amount]	$ 50,000
Poplar Forest Cornerstone Fund
Prospectus [Line Items]
Expense Heading [Optional Text]	Fees and Expenses of the Fund
Expense Narrative [Text Block]	This table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Cornerstone Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
Shareholder Fees Caption [Optional Text]	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Optional Text]	ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Expense Example [Heading]	Example.
Expense Example Narrative [Text Block]	This Example is intended to help you compare the cost of investing in the Cornerstone Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Cornerstone Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (taking into account the Expense Cap only through January 28, 2027).
Expense Example by, Year, Caption [Text]	Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Portfolio Turnover [Heading]	Portfolio Turnover.
Portfolio Turnover [Text Block]	The Cornerstone Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the Example, affect the Cornerstone Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 29% of the average value of its portfolio.
Portfolio Turnover, Rate	29.00%