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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate Oct. 31, 2019
Entity Registrant Name dei_EntityRegistrantName Chartwell Funds
Entity Central Index Key dei_EntityCentralIndexKey 0001697268
Amendment Flag dei_AmendmentFlag false
Entity Inv Company Type dei_EntityInvCompanyType N-1A
Document Creation Date dei_DocumentCreationDate Feb. 27, 2020
Document Effective Date dei_DocumentEffectiveDate Feb. 28, 2020
Prospectus Date rr_ProspectusDate Mar. 01, 2020
Chartwell Income Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading SUMMARY SECTION – Chartwell Income Fund (formerly, Berwyn Income Fund)
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The investment objective of the Chartwell Income Fund is to provide investors with current income;
Objective, Secondary [Text Block] rr_ObjectiveSecondaryTextBlock

seeking to preserve capital is a secondary consideration.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the 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 [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover 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 period, the portfolio turnover rate was 137% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 137.00%
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in the 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. The example reflects adjustments made to the Fund's operating expenses due to the fee waivers and/or expense reimbursements by the Fund's advisor as described above for the One Year numbers only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

The Fund may invest in corporate bonds, U.S. Treasury bills, bonds and notes, debt securities issued by U.S. Government agencies, preferred stocks, asset-back securities, mortgage-backed securities, municipal bonds and dividend-paying common stocks, including securities issued by real estate investment trusts ("REITs") and exchange-traded funds ("ETFs"). Certain of the Fund's investments in corporate bonds and preferred stocks may be convertible into common stocks. The Fund invests in securities that the Fund's investment advisor believes are undervalued. The Fund may invest any percentage of its net assets in the foregoing securities as the investment advisor deems appropriate, except that the Fund's advisor will not purchase a common stock if it would cause the aggregate value of the common stocks that the Fund owns to exceed 30% of the Fund's net assets. The advisor is not required to sell any common stocks owned by the Fund if the value of the common stocks exceeds 30% of net assets due to appreciation of the common stocks or depreciation of the Fund's other securities.

 

When selecting corporate bonds, the advisor will consider the rating the bond has received from Standard & Poor's Ratings Services, a division of McGraw Hill Companies, Inc. ("S&P"), Moody's Investors Service, Inc. ("Moody's") or Fitch Ratings Ltd. ("Fitch"). The advisor may invest in fixed income securities of any maturity or credit rating including below investment grade securities. Investment grade securities are those rated in the Baa3 or higher categories by Moody's, or in the BBB- or higher categories by S&P or Fitch or, if unrated by S&P, Moody's or Fitch, determined by the advisor to be of comparable credit quality. Below-investment grade securities, commonly referred to as "junk bonds" or "high yield securities," are securities rated below investment grade by at least one of Moody's, S&P or Fitch (or, if unrated, determined by the advisor to be of comparable credit quality). The advisor may also invest in unrated bonds and may purchase bonds in private transactions that qualify under Rule 144A of the Securities Act of 1933.

 

The advisor will select corporate bonds primarily on the basis of current yield and secondarily on the basis of anticipated long term return. The duration of bonds purchased by the Fund will usually vary from three to seven years. The advisor has the discretion to vary the duration of the portfolio in order to seek to take advantage of prevailing trends in interest rates.

 

The Fund may invest in common stocks, subject to the 30% limit described above, and in preferred stocks when the advisor deems it appropriate. The portfolio allocations to preferred and common stocks are determined by the advisor based upon its evaluation of the bond market. The outlook for the economy generally is also a consideration. During periods of economic strength, greater emphasis may be placed on preferred and common stocks than on other investments. Preferred stocks are generally selected based on one of two criteria: (1) preferred stocks that the advisor believes are offering an above average yield, in comparison to other preferred stocks of the same quality; and (2) preferred stocks that the advisor believes offer the potential for capital appreciation due to the business prospects of the issuers. The Fund may also purchase preferred stocks in private transactions that qualify under Rule 144A of the Securities Act of 1933. Preferred stocks that have a cumulative feature do not have to be paying current dividends in order to be purchased.

 

Common stocks are generally selected based on one of three value-based criteria: (1) stocks selling substantially below their book values; (2) stocks judged by the advisor to be selling at low valuations to their present earnings levels; and (3) stocks judged by the advisor to have above average growth prospects and to be selling at small premiums to their book values or at modest valuations based on their present earnings levels. In addition, the Fund will only purchase common stocks that pay cash dividends. If a common stock stops paying dividends after its purchase by the Fund, the Fund would not be required to sell the stock. The advisor may purchase ETFs designed to track equity and fixed income securities indices to manage the Fund's cash holdings. ETFs are investment companies that invest in portfolios of securities designed to track particular market segments or indices, the shares of which are bought and sold on a securities exchange.

 

The method of stock selection used by the Fund may result in the Fund selecting stocks that are currently out of favor with most other investors. The Fund may invest in the securities of lesser-known companies. In addition, the Fund invests only in common stocks listed on national securities exchanges or quoted on the over-the-counter market.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in common stocks of mid-capitalization U.S. companies.
Risk [Heading] rr_RiskHeading Principal Risks of Investing
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

Risk is inherent in all investing. A summary description of certain principal risks of investing in the Fund is set forth below. Before you decide whether to invest in the Fund, carefully consider these risk factors associated with investing in the Fund, which may cause investors to lose money. There can be no assurance that the Fund will achieve its investment objectives.

 

Market Risk. The market price of a security or instrument may decline, sometimes rapidly or unpredictably, due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic or political conditions throughout the world, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

 

Fixed Income Securities Risk. The prices of fixed income securities respond to economic developments, particularly interest rate changes, as well as to changes in an issuer's credit rating or market perceptions about the creditworthiness of an issuer.

 

Interest Rate Risk. Generally fixed income securities decrease in value if interest rates rise and increase in value if interest rates fall, with longer-term and lower-rated securities being more sensitive than shorter-term and higher-rated securities. For example, the price of a security with a seven-year duration would be expected to drop by approximately 7% in response to a 1% increase in interest rates. Generally, the longer the maturity and duration of a bond or fixed rate loan, the more sensitive it is to this risk. Falling interest rates also create the potential for a decline in the Fund's income. Changes in governmental policy, rising inflation rates, and general economic developments, among other factors, could cause interest rates to increase and could have a substantial and immediate effect on the values of the Fund's investments. These risks are greater during periods of rising inflation. In addition, a potential rise in interest rates may result in periods of volatility and increased redemptions that might require the Fund to liquidate portfolio securities at disadvantageous prices and times.

 

Credit Risk. If an issuer or guarantor of a debt security held by the Fund or a counterparty to a financial contract with the Fund defaults or is downgraded or is perceived to be less creditworthy, or if the value of the assets underlying a security declines, the value of the Fund's portfolio will typically decline.

 

High Yield ("Junk") Bond Risk. High yield bonds are debt securities rated below investment grade (often called "junk bonds"). Junk bonds are speculative, involve greater risks of default, downgrade, or price declines and are more volatile and tend to be less liquid than investment-grade securities. Companies issuing high yield bonds are less financially strong, are more likely to encounter financial difficulties, and are more vulnerable to adverse market events and negative sentiments than companies with higher credit ratings. Junk bonds have a higher risk of default than other fixed income securities and are considered predominantly speculative.

 

Convertible Securities Risk. Convertible securities are subject to market and interest rate risk and credit risk. When the market price of the equity security underlying a convertible security decreases the convertible security tends to trade on the basis of its yield and other fixed income characteristics, and is more susceptible to credit and interest rate risks. When the market price of such equity security rises, the convertible security tends to trade on the basis of its equity conversion features and be more exposed to market risk. Convertible securities are typically issued by smaller capitalized companies with stock prices that may be more volatile than those of other companies.

 

Equity Securities Risk. The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

 

Large-Cap Company Risk. Larger, more established companies may be unable to attain the high growth rates of successful, smaller companies during periods of economic expansion. In addition, large-capitalization companies may be unable to respond quickly to new competitive challenges, such as changes in technology and consumer tastes, and may be more prone to global economic risks.

 

Preferred Stock Risk. Preferred stock represents an equity interest in a company that generally entitles the holder to receive, in preference to the holders of other stocks such as common stock, dividends and a fixed share of the proceeds resulting from a liquidation of the company. The market value of preferred stock is subject to company-specific and market risks applicable generally to equity securities and is also sensitive to changes in the company's creditworthiness, the ability of the company to make payments on the preferred stock, and changes in interest rates, typically declining in value if interest rates rise.

 

Mortgage-Backed and Asset-Backed Securities Risk. Mortgage-backed and asset-backed securities represent interests in "pools" of mortgages or other assets, including consumer loans or receivables held in trust. Mortgage-backed securities are subject to "prepayment risk" (the risk that borrowers will repay a loan more quickly in periods of falling interest rates) and "extension risk" (the risk that borrowers will repay a loan more slowly in periods of rising interest rates). If the Fund invests in mortgage-backed or asset-backed securities that are subordinated to other interests in the same pool, the Fund may only receive payments after the pool's obligations to other investors have been satisfied. An unexpectedly high rate of defaults on the assets held by a pool may limit substantially the pool's ability to make payments of principal or interest to the Fund, reducing the values of those securities or in some cases rendering them worthless. The risk of such defaults is generally higher in the case of mortgage pools that include so-called "subprime" mortgages. The Fund's investments in other asset-backed securities are subject to risks similar to those associated with mortgage-backed securities, as well as additional risks associated with the nature of the assets and the servicing of those assets.

 

Liquidity Risk. The Fund may not be able to sell some or all of the investments that it holds due to a lack of demand in the marketplace or other factors such as market turmoil. If the Fund is forced to sell an illiquid asset to meet redemption requests or other cash needs it may only be able to sell those investments at a loss. In addition, the reduction in dealer market-making capacity in the fixed income markets that has occurred in recent years has the potential to decrease the liquidity of the Fund's investments. Illiquid assets may also be difficult to value.

 

Value-Oriented Investment Strategies Risk. Value stocks are those that are believed to be undervalued in comparison to their peers due to adverse business developments or other factors. Value investing is subject to the risk that the market will not recognize a security's inherent value for a long time or at all, or that a stock judged to be undervalued may actually be appropriately priced or overvalued. In addition, during some periods (which may be extensive) value stocks generally may be out of favor in the markets. Therefore the Fund is most suitable for long-term investors who are willing to hold their shares for extended periods of time through market fluctuations and the accompanying changes in share prices.

 

REIT Risk. The Fund's investment in REITs will subject the Fund to risks similar to those associated with direct ownership of real estate, including losses from casualty or condemnation, and changes in local and general economic, supply and demand, interest rates, zoning laws, regulatory limitations on rents, property taxes and operating expenses.

 

Restricted Securities Risk. The Fund may not be able to sell a restricted security (i.e., a 144A security) when the Advisor considers it desirable to do so or may have to sell such a security at a lower price than the Advisor considers desirable. A restricted security which was liquid when purchased may subsequently become illiquid. In addition, transaction costs may be higher for restricted securities than for more liquid securities.

 

U.S. Government Obligations Risk. U.S. Government securities that are not direct obligations of the U.S. Treasury have more credit risk than securities directly supported by the full faith and credit of the U.S. Government.

 

Municipal Securities Risk. Prices of municipal securities rise and fall in response to interest rate changes and local political and economic factors may adversely affect the value and liquidity of these securities. In addition, the Fund's investments in municipal securities are subject to the risks associated with a lack of liquidity in the municipal bond market.

 

ETF Risk. Investing in an ETF will provide the Fund with exposure to the securities comprising the index on which the ETF is based and will expose the Fund to risks similar to those of investing directly in those securities. Shares of ETFs typically trade on securities exchanges and may at times trade at a premium or discount to their net asset values. In addition, an ETF may not replicate exactly the performance of the benchmark index it seeks to track for a number of reasons, including transaction costs incurred by the ETF, the temporary unavailability of certain index securities in the secondary market or discrepancies between the ETF and the index with respect to the weighting of securities or the number of securities held. Investing in ETFs, which are investment companies, involves duplication of advisory fees and certain other expenses.

 

Management and Strategy Risk. The value of your investment depends on the judgment of the Fund's advisor about the quality, relative yield, value or market trends affecting a particular security, industry, sector or region, which may prove to be incorrect. Investment strategies employed by the Fund's advisor in selecting investments for the Fund may not result in an increase in the value of your investment or in overall performance equal to other investments.
Risk Lose Money [Text] rr_RiskLoseMoney Before you decide whether to invest in the Fund, carefully consider these risk factors associated with investing in the Fund, which may cause investors to lose money.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The Fund acquired the assets and liabilities of the Berwyn Income Fund (the "IMST Predecessor Fund"), a series of Investment Managers Series Trust, on July 17, 2017. The IMST Predecessor Fund acquired the assets and liabilities of the Berwyn Income Fund (the "Berwyn Funds Predecessor Fund," and together with the IMST Predecessor Fund, the "Predecessor Funds"), a series of The Berwyn Funds, on April 29, 2016. As a result of the reorganizations, the Fund is the accounting successor of the Predecessor Funds. Performance results shown in the bar chart and the performance table below reflect the performance of the IMST Predecessor Fund for the period from April 29, 2016 through December 31, 2016, and the performance of the Berwyn Funds Predecessor Fund for the period prior to April 29, 2016. The Predecessor Funds' past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.

 

The bar chart and table below provide some indication of the risks of investing in the Fund and the Predecessor Funds by showing changes in the Predecessor Funds' performance from year to year and by showing how the average annual total returns of the Predecessor Funds compare with the average annual total returns of the Bloomberg Barclays U.S. Aggregate Bond Index and ICE BofA Merrill Lynch High Yield Master II Index, each a broad-based measure of market performance that has characteristics relevant to the Fund's investment strategies, and the Lipper Income Fund Index, an index of funds with similar investment objectives as the Fund. Updated performance information is available at the Fund's website, www.chartwellip.com, or by calling the Fund at 1-888-995-5505.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table below provide some indication of the risks of investing in the Fund and the Predecessor Funds by showing changes in the Predecessor Funds' performance from year to year and by showing how the average annual total returns of the Predecessor Funds compare with the average annual total returns of the Bloomberg Barclays U.S. Aggregate Bond Index and ICE BofA Merrill Lynch High Yield Master II Index, each a broad-based measure of market performance that has characteristics relevant to the Fund's investment strategies, and the Lipper Income Fund Index, an index of funds with similar investment objectives as the Fund.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-888-995-5505
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.chartwellip.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Predecessor Funds' past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar-Year Total Return (before taxes) For each calendar year at NAV
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Calendar Quarter Return at NAV 5.44% Quarter ended 03/31/2012
Lowest Calendar Quarter Return at NAV (4.39)% Quarter ended 9/30/2011
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (for periods ended December 31, 2019)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
Chartwell Income Fund | Chartwell Income Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol BERIX
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Redemption fee if redeemed within 30 days of purchase (as a percentage of amount redeemed) rr_RedemptionFeeOverRedemption (1.00%)
Wire fee chart_WireFee $ 20
Overnight check delivery fee chart_OvernightCheckDeliveryFee 25
Retirement account fees (annual maintenance fee) rr_ShareholderFeeOther $ 15
Management fees rr_ManagementFeesOverAssets 0.50%
Distribution (Rule 12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.16%
Total annual fund operating expenses rr_ExpensesOverAssets 0.66%
Fee waiver and/or expense reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.02%) [1]
Total annual fund operating expenses after fee waiver and/or expense reimbursements rr_NetExpensesOverAssets 0.64% [1]
One Year rr_ExpenseExampleYear01 $ 65
Three Years rr_ExpenseExampleYear03 209
Five Years rr_ExpenseExampleYear05 366
Ten Years rr_ExpenseExampleYear10 $ 821
Annual Return 2010 rr_AnnualReturn2010 10.06%
Annual Return 2011 rr_AnnualReturn2011 3.09%
Annual Return 2012 rr_AnnualReturn2012 7.96%
Annual Return 2013 rr_AnnualReturn2013 15.83%
Annual Return 2014 rr_AnnualReturn2014 3.32%
Annual Return 2015 rr_AnnualReturn2015 (3.30%)
Annual Return 2016 rr_AnnualReturn2016 8.73%
Annual Return 2017 rr_AnnualReturn2017 3.92%
Annual Return 2018 rr_AnnualReturn2018 (0.82%)
Annual Return 2019 rr_AnnualReturn2019 9.68%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Calendar Quarter Return at NAV
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 5.44%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Calendar Quarter Return at NAV
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (4.39%)
1 Year rr_AverageAnnualReturnYear01 9.68%
5 Years rr_AverageAnnualReturnYear05 3.52%
10 Years rr_AverageAnnualReturnYear10 5.71%
Chartwell Income Fund | After Taxes on Distributions | Chartwell Income Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 8.45% [2]
5 Years rr_AverageAnnualReturnYear05 2.27% [2]
10 Years rr_AverageAnnualReturnYear10 4.23% [2]
Chartwell Income Fund | After Taxes on Distributions and Sales | Chartwell Income Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 5.84% [2]
5 Years rr_AverageAnnualReturnYear05 2.34% [2]
10 Years rr_AverageAnnualReturnYear10 4.15% [2]
Chartwell Income Fund | Bloomberg Barclays U.S. Aggregate Bond Index  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 8.72%
5 Years rr_AverageAnnualReturnYear05 3.05%
10 Years rr_AverageAnnualReturnYear10 3.75%
Chartwell Income Fund | ICE Merrill Lynch High Yield Master II Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 14.41%
5 Years rr_AverageAnnualReturnYear05 6.13%
10 Years rr_AverageAnnualReturnYear10 7.50%
Chartwell Income Fund | Lipper Income Fund Index  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 14.04%
5 Years rr_AverageAnnualReturnYear05 4.91%
10 Years rr_AverageAnnualReturnYear10 6.09%
Chartwell Mid Cap Value Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading SUMMARY SECTION – Chartwell Mid Cap Value Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The investment objective of the Chartwell Mid Cap Value Fund is to seek long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the 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 [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover 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 period, the portfolio turnover rate of the Fund was 36% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 36.00%
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in the 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. The example reflects adjustments made to the Fund's operating expenses due to the fee waivers and/or expense reimbursements by the Fund's advisor as described above for the One Year numbers only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in common stocks of mid-capitalization U.S. companies. The Fund's advisor considers mid-capitalization companies to be those companies that, at the time of initial purchase, have a market capitalization within the range of the Russell Midcap Value Index during the most recent 12-month period (which was approximately $824 million and $43.8 billion as of December 31, 2019). The Russell Midcap Value Index is reconstituted annually. Because Mid-capitalization companies are defined by reference to an index, the range of market capitalization of companies of which the Chartwell Mid Cap Value Fund invests may vary with market conditions. The Fund may continue to hold securities of companies whose market capitalization was within such range at the time of purchase but whose current market capitalization may be outside of that range.

 

The Fund generally invests in companies that its advisor believes to be undervalued. The advisor's investment approach seeks to identify companies with favorable valuations, margin improvement, product innovations and visionary management teams. The Fund's advisor employs a blend of value disciplines that the advisor believes will result in consistent performance. The Fund may invest up to 20% of its assets in U.S. dollar denominated securities of issuers based outside of the U. S.

 

The Advisor may purchase exchange-traded funds ("ETFs") designed to track U.S. mid-cap indices to manage the Fund's cash holdings and gain exposure to the types of securities in which the Fund primarily invests. ETFs are investment companies that invest in portfolios of securities designed to track particular market segments or indices, the shares of which are bought and sold on a securities exchange.

 

The Fund may also invest in real estate investment trusts ("REITs"). REITs are companies that own, and typically operate, income-producing real estate or real estate-related assets.

 

When managing the Fund's portfolio, the Advisor uses two basic guidelines: (1) the investment in any single issuer (at the time of purchase) will comprise less than 5% of the total value of the assets in the portfolio; and (2) the investment in any one sector (at the time of purchase) will not exceed the greater of: (i) 150% of the benchmark sector weight, or (ii) 5% of the total value of the assets in the portfolio. Under normal market conditions, the Advisor intends to follow these investment guidelines.
Risk [Heading] rr_RiskHeading Principal Risks of Investing
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

Risk is inherent in all investing. A summary description of certain principal risks of investing in the Fund is set forth below. Before you decide whether to invest in the Fund, carefully consider these risk factors associated with investing in the Fund, which may cause investors to lose money. There can be no assurance that the Fund will achieve its investment objectives.

 

Market Risk. The market price of a security or instrument may decline, sometimes rapidly or unpredictably, due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic or political conditions throughout the world, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

 

Equity Securities Risk. The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

 

Mid-Cap Company Risk. The securities of mid-capitalization companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger, more established companies or market averages in general. In addition, such companies typically are more likely to be adversely affected than large capitalization companies by changes in earning results, business prospects, investor expectations or poor economic or market conditions.

 

Value-Oriented Investment Strategies Risk. Value stocks are those that are believed to be undervalued in comparison to their peers due to adverse business developments or other factors. Value investing is subject to the risk that the market will not recognize a security's inherent value for a long time or at all, or that a stock judged to be undervalued may actually be appropriately priced or overvalued. In addition, during some periods (which may be extensive) value stocks generally may be out of favor in the markets. Therefore the Fund is most suitable for long-term investors who are willing to hold their shares for extended periods of time through market fluctuations and the accompanying changes in share prices.

 

Foreign Investment Risk. The prices of foreign securities may be more volatile than the prices of securities of U.S. issuers because of economic and social conditions abroad, political developments, and changes in the regulatory environments of foreign countries. In addition, changes in exchange rates and interest rates may adversely affect the values of the Fund's foreign investments. Foreign companies are generally subject to different legal and accounting standards than U.S. companies, and foreign financial intermediaries may be subject to less supervision and regulation than U.S. financial firms. Foreign securities include American Depositary Receipts ("ADRs"). Unsponsored ADRs are organized independently and without the cooperation of the foreign issuer of the underlying securities, and involve additional risks because U.S. reporting requirements do not apply and the issuing bank will recover shareholder distribution costs from changes in share prices and payment of dividends.

 

Currency Risk. The values of investments in securities denominated in foreign currencies increase or decrease as the rates of exchange between those currencies and the U.S. Dollar change. Currency conversion costs and currency fluctuations could erase investment gains or add to investment losses. Currency exchange rates can be volatile and are affected by factors such as general economic conditions, the actions of the U.S. and foreign governments or central banks, the imposition of currency controls, and speculation.

 

REIT Risk. The Fund's investment in REITs will subject the Fund to risks similar to those associated with direct ownership of real estate, including losses from casualty or condemnation, and changes in local and general economic, supply and demand, interest rates, zoning laws, regulatory limitations on rents, property taxes and operating expenses.

 

ETF Risk. Investing in an ETF will provide the Fund with exposure to the securities comprising the index on which the ETF is based and will expose the Fund to risks similar to those of investing directly in those securities. Shares of ETFs typically trade on securities exchanges and may at times trade at a premium or discount to their net asset values. In addition, an ETF may not replicate exactly the performance of the benchmark index it seeks to track for a number of reasons, including transaction costs incurred by the ETF, the temporary unavailability of certain index securities in the secondary market or discrepancies between the ETF and the index with respect to the weighting of securities or the number of securities held. Investing in ETFs, which are investment companies, involves duplication of advisory fees and certain other expenses.

 

Liquidity Risk. The Fund may not be able to sell some or all of the investments that it holds due to a lack of demand in the marketplace or other factors such as market turmoil. If the Fund is forced to sell an illiquid asset to meet redemption requests or other cash needs it may only be able to sell those investments at a loss. In addition, the reduction in dealer market-making capacity in the fixed income markets that has occurred in recent years has the potential to decrease the liquidity of the Fund's investments. Illiquid assets may also be difficult to value.

 

Management and Strategy Risk. The value of your investment depends on the judgment of the Fund's advisor about the quality, relative yield, value or market trends affecting a particular security, industry, sector or region, which may prove to be incorrect. Investment strategies employed by the Fund's advisor in selecting investments for the Fund may not result in an increase in the value of your investment or in overall performance equal to other investments.
Risk Lose Money [Text] rr_RiskLoseMoney Before you decide whether to invest in the Fund, carefully consider these risk factors associated with investing in the Fund, which may cause investors to lose money.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The Fund acquired the assets and liabilities of the Berwyn Cornerstone Fund (the "IMST Predecessor Fund"), a series of Investment Managers Series Trust, on July 17, 2017. The IMST Predecessor Fund acquired the assets and liabilities of the Berwyn Cornerstone Fund (the "Berwyn Funds Predecessor Fund," and together with the IMST Predecessor Fund, the "Predecessor Funds"), a series of The Berwyn Funds, on April 29, 2016. As a result of the reorganizations, the Fund is the accounting successor of the Predecessor Funds. Performance results shown in the bar chart and the performance table below reflect the performance of the IMST Predecessor Fund for the period from April 29, 2016 through December 31, 2016, and the performance of the Berwyn Funds Predecessor Fund for the period prior to April 29, 2016. The Predecessor Funds' past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. The Fund's principal investment strategies differ from those of the Predecessor Funds; therefore, the performance and average annual total returns shown for periods prior to the reorganization may have differed had the Fund's current investment strategy been in effect during those periods.

 

The bar chart and table below provide some indication of the risks of investing in the Fund and its Predecessor Funds by showing changes in the Predecessor Funds' performance from year to year and by showing how the average annual total returns of the Predecessor Funds compare with the average annual total returns of the Russell Midcap Value Index, a broad-based measure of market performance that has characteristics relevant to the Fund's investment strategies. Updated performance information is available at the Fund's website, www.chartwellip.com or by calling the Fund at 1-888-995-5505.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table below provide some indication of the risks of investing in the Fund and its Predecessor Funds by showing changes in the Predecessor Funds' performance from year to year and by showing how the average annual total returns of the Predecessor Funds compare with the average annual total returns of the Russell Midcap Value Index, a broad-based measure of market performance that has characteristics relevant to the Fund's investment strategies.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-888-995-5505
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.chartwellip.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Predecessor Funds' past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar-Year Total Return (before taxes) For each calendar year at NAV
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Calendar Quarter Return at NAV 14.08% Quarter ended 03/31/2012
Lowest Calendar Quarter Return at NAV (15.36)% Quarter ended 9/30/2011
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (for periods ended December 31, 2019)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
Chartwell Mid Cap Value Fund | Chartwell Mid Cap Value Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol BERCX
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Redemption fee if redeemed within 30 days of purchase (as a percentage of amount redeemed) rr_RedemptionFeeOverRedemption (1.00%)
Wire fee chart_WireFee $ 20
Overnight check delivery fee chart_OvernightCheckDeliveryFee 25
Retirement account fees (annual maintenance fee) rr_ShareholderFeeOther $ 15
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution (Rule 12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.69%
Total annual fund operating expenses rr_ExpensesOverAssets 1.44%
Fee waiver and/or expense reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.54%) [3]
Total annual fund operating expenses after fee waiver and/or expense reimbursements rr_NetExpensesOverAssets 0.90% [3]
One Year rr_ExpenseExampleYear01 $ 92
Three Years rr_ExpenseExampleYear03 404
Five Years rr_ExpenseExampleYear05 738
Ten Years rr_ExpenseExampleYear10 $ 1,686
Annual Return 2010 rr_AnnualReturn2010 8.57%
Annual Return 2011 rr_AnnualReturn2011 (2.59%)
Annual Return 2012 rr_AnnualReturn2012 13.02%
Annual Return 2013 rr_AnnualReturn2013 38.64%
Annual Return 2014 rr_AnnualReturn2014 (0.97%)
Annual Return 2015 rr_AnnualReturn2015 (15.16%)
Annual Return 2016 rr_AnnualReturn2016 28.68%
Annual Return 2017 rr_AnnualReturn2017 16.86%
Annual Return 2018 rr_AnnualReturn2018 (10.90%)
Annual Return 2019 rr_AnnualReturn2019 23.31%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Calendar Quarter Return at NAV
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 14.08%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Calendar Quarter Return at NAV
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (15.36%)
1 Year rr_AverageAnnualReturnYear01 23.31%
5 Years rr_AverageAnnualReturnYear05 6.99%
10 Years rr_AverageAnnualReturnYear10 8.69%
Chartwell Mid Cap Value Fund | After Taxes on Distributions | Chartwell Mid Cap Value Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 22.71% [2]
5 Years rr_AverageAnnualReturnYear05 4.94% [2]
10 Years rr_AverageAnnualReturnYear10 7.07% [2]
Chartwell Mid Cap Value Fund | After Taxes on Distributions and Sales | Chartwell Mid Cap Value Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 14.23% [2]
5 Years rr_AverageAnnualReturnYear05 4.94% [2]
10 Years rr_AverageAnnualReturnYear10 6.72% [2]
Chartwell Mid Cap Value Fund | Russell Midcap Value Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 27.06%
5 Years rr_AverageAnnualReturnYear05 7.62%
10 Years rr_AverageAnnualReturnYear10 12.41%
Chartwell Short Duration High Yield Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading SUMMARY SECTION – Chartwell Short Duration High Yield Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The investment objective of the Chartwell Short Duration High Yield Fund is income and long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the 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 [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover 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 portfolio turnover rate of the Chartwell Short Duration High Yield Fund was 41% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 41.00%
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in the 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. The example reflects adjustments made to the Fund's operating expenses due to the fee waivers and/or expense reimbursements by the Fund's advisor as described above for the One Year numbers only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in high yield debt securities. High yield debt securities, also referred to as "junk" bonds, are securities rated below the Baa/BBB categories at the time of purchase or, if unrated, determined to be of comparable credit quality by the Fund's advisor. Under normal market conditions, the Fund advisor expects to primarily invest in BB rated debt securities, the higher quality tier of the overall high yield market. The advisor considers a security to be BB-rated if, at the time of purchase, it was assigned a rating of Ba1, Ba2, Ba3 by Moody's Investor Services, Inc., or BB+, BB, BB- by Standard & Poor's or Fitch, Inc., or, if unrated, it was determined to be of comparable credit quality by the Fund's advisor.

 

The types of debt securities in which the Fund primarily invests include, but will not be limited to, U.S. dollar denominated high yield corporate bonds and notes. The Fund may invest up to 20% of its assets in U.S. dollar denominated securities of issuers based outside of the U. S.

 

While the Fund may invest in securities of any maturity, the Fund will normally target an average portfolio effective duration, as estimated by the Fund's advisor, of less than three years. Duration is a measure of the underlying portfolio's price sensitivity to changes in prevailing interest rates. The longer a security's duration, the more sensitive its price will be to changes in interest rates. For example, the approximate percentage decrease in the price of a security with a three-year duration would be 3% in response to a 1% increase in interest rates.

 

The Fund advisor normally expects to focus the Fund's investments in the higher credit quality tier of the overall high yield bond market, which the Fund's advisor believes may offer an opportunity for more attractive yield premiums, with a lower probability of credit erosion relative to the high yield bond market as a whole.

 

In pursuing the Fund's investment objective, the Fund's advisor seeks to identify securities of companies with stable cash flows and proven and established business models in an effort to manage the amount of credit, interest rate, liquidity and other risks, presented by these securities.

 

The advisor may purchase exchange-traded funds ("ETFs") designed to track fixed income securities indices to manage the Fund's cash holdings. ETFs are investment companies that invest in portfolios of securities designed to track particular market segments or indices, the shares of which are bought and sold on a securities exchange. The ETFs in which the Fund invests may invest substantially all of their assets in high yield debt securities. Such ETFs are taken into account when determining how much of the Fund's net assets have been invested in high yield securities.
Risk [Heading] rr_RiskHeading Principal Risks of Investing
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

Risk is inherent in all investing. A summary description of certain principal risks of investing in the Fund is set forth below. Before you decide whether to invest in the Fund, carefully consider these risk factors associated with investing in the Fund, which may cause investors to lose money. There can be no assurance that the Fund will achieve its investment objective.

 

Market Risk. The market price of a security or instrument may decline, sometimes rapidly or unpredictably, due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic or political conditions throughout the world, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

 

Fixed Income Securities Risk. The prices of fixed income securities respond to economic developments, particularly interest rate changes, as well as to changes in an issuer's credit rating or market perceptions about the creditworthiness of an issuer. Generally fixed income securities decrease in value if interest rates rise and increase in value if interest rates fall, and longer-term and lower rated securities are more volatile than higher rated securities.

 

Interest Rate Risk. Generally fixed income securities decrease in value if interest rates rise and increase in value if interest rates fall, with longer-term securities being more sensitive than shorter-term securities. For example, the price of a security with a three-year duration would be expected to drop by approximately 3% in response to a 1% increase in interest rates. Generally, the longer the maturity and duration of a bond or fixed rate loan, the more sensitive it is to this risk. Falling interest rates also create the potential for a decline in a Fund's income. Changes in governmental policy, rising inflation rates, and general economic developments, among other factors, could cause interest rates to increase and could have a substantial and immediate effect on the values of the Fund's investments. These risks are greater during periods of rising inflation. In addition, a potential rise in interest rates may result in periods of volatility and increased redemptions that might require the Fund to liquidate portfolio securities at disadvantageous prices and times.

 

Credit Risk. Junk bonds have a higher risk of default than other fixed income securities and are considered predominantly speculative. Subordinated securities are more likely to suffer a credit loss than non-subordinated securities of the same issuer and will be disproportionately affected by a default, downgrade or perceived decline in creditworthiness.

 

Liquidity Risk. The Fund may not be able to sell some or all of the investments that it holds due to a lack of demand in the marketplace or other factors such as market turmoil, or if the Fund is forced to sell an illiquid asset to meet redemption requests or other cash needs it may only be able to sell those investments at a loss. In addition, the reduction in dealer market-making capacity in the fixed income markets that has occurred in recent years has the potential to decrease the liquidity of the Fund's investments. Illiquid assets may also be difficult to value.

 

High Yield ("Junk") Bond Risk. High yield bonds are debt securities rated below investment grade (often called "junk bonds"). Junk bonds are speculative, involve greater risks of default, downgrade, or price declines and are more volatile and tend to be less liquid than investment-grade securities. Companies issuing high yield bonds are less financially strong, are more likely to encounter financial difficulties, and are more vulnerable to adverse market events and negative sentiments than companies with higher credit ratings.

 

Foreign Investment Risk. The prices of foreign securities may be more volatile than the prices of securities of U.S. issuers because of economic and social conditions abroad, political developments, and changes in the regulatory environments of foreign countries. In addition, changes in exchange rates and interest rates may adversely affect the values of the Fund's foreign investments. Foreign companies are generally subject to different legal and accounting standards than U.S. companies, and foreign financial intermediaries may be subject to less supervision and regulation than U.S. financial firms. Foreign securities include American Depositary Receipts ("ADRs") and Global Depositary Receipts ("GDRs"). Unsponsored ADRs and GDRs are organized independently and without the cooperation of the foreign issuer of the underlying securities, and involve additional risks because U.S. reporting requirements do not apply. In addition, the issuing bank may deduct shareholder distribution, custody, foreign currency exchange, and other fees from the payment of dividends.

 

ETF Risk. Investing in an ETF will provide the Fund with exposure to the securities comprising the index on which the ETF is based and will expose the Fund to risks similar to those of investing directly in those securities. Shares of ETFs typically trade on securities exchanges and may at times trade at a premium or discount to their net asset values. In addition, an ETF may not replicate exactly the performance of the benchmark index it seeks to track for a number of reasons, including transaction costs incurred by the ETF, the temporary unavailability of certain index securities in the secondary market or discrepancies between the ETF and the index with respect to the weighting of securities or the number of securities held. Investing in ETFs, which are investment companies, involves duplication of advisory fees and certain other expenses. The Fund will pay brokerage commissions in connection with the purchase and sale of shares of ETFs.

 

Management and Strategy Risk. The value of your investment depends on the judgment of the Fund's advisor about the quality, relative yield, value or market trends affecting a particular security, industry, sector or region, which may prove to be incorrect. Investment strategies employed by the Fund's advisor in selecting investments for the Fund may not result in an increase in the value of your investment or in overall performance equal to other investments.
Risk Lose Money [Text] rr_RiskLoseMoney Before you decide whether to invest in the Fund, carefully consider these risk factors associated with investing in the Fund, which may cause investors to lose money.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The Fund acquired the assets and liabilities of the Chartwell Short Duration High Yield Fund (the "Predecessor Fund"), a series of Investment Managers Series Trust, on July 17, 2017. As a result of the reorganization, the Fund is the accounting successor of the Predecessor Fund. Performance results shown in the bar chart and the performance table below reflect the performance of the Predecessor Fund. The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.

 

The bar chart and table below provide some indication of the risks of investing in the Fund and the Predecessor Fund by showing changes in the Predecessor Fund's performance from year to year and by showing how the average annual total returns of the Predecessor Fund compare with the average annual total returns of a broad-based market index. Updated performance information is available at the Fund's website, www.chartwellip.com, or by calling the Fund at 1-888-995-5505.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table below provide some indication of the risks of investing in the Fund and the Predecessor Fund by showing changes in the Predecessor Fund's performance from year to year and by showing how the average annual total returns of the Predecessor Fund compare with the average annual total returns of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-888-995-5505
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.chartwellip.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar-Year Total Return (before taxes) For calendar year at NAV
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Calendar Quarter Return at NAV 3.58% Quarter Ended 03/31/2019
Lowest Calendar Quarter Return at NAV (2.05)% Quarter Ended 09/30/2015
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (for periods ended December 31, 2019)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
Chartwell Short Duration High Yield Fund | Chartwell Short Duration High Yield Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol CWFIX
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Redemption fee if redeemed within 30 days of purchase (as a percentage of amount redeemed) rr_RedemptionFeeOverRedemption (1.00%)
Wire fee chart_WireFee $ 20
Overnight check delivery fee chart_OvernightCheckDeliveryFee 25
Retirement account fees (annual maintenance fee) rr_ShareholderFeeOther $ 15
Management fees rr_ManagementFeesOverAssets 0.40%
Distribution (Rule 12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.27%
Total annual fund operating expenses rr_ExpensesOverAssets 0.67%
Fee waiver and/or expense reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.18%)
Total annual fund operating expenses after fee waiver and/or expense reimbursements rr_NetExpensesOverAssets 0.49% [4]
One Year rr_ExpenseExampleYear01 $ 50
Three Years rr_ExpenseExampleYear03 196
Five Years rr_ExpenseExampleYear05 356
Ten Years rr_ExpenseExampleYear10 $ 819
Annual Return 2015 rr_AnnualReturn2015 (2.64%)
Annual Return 2016 rr_AnnualReturn2016 7.62%
Annual Return 2017 rr_AnnualReturn2017 3.39%
Annual Return 2018 rr_AnnualReturn2018 0.36%
Annual Return 2019 rr_AnnualReturn2019 7.33%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Calendar Quarter Return at NAV
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2019
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 3.58%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Calendar Quarter Return at NAV
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2015
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (2.05%)
1 Year rr_AverageAnnualReturnYear01 7.33%
5 Years rr_AverageAnnualReturnYear05 3.14%
Since Inception rr_AverageAnnualReturnSinceInception 2.80%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 15, 2014
Chartwell Short Duration High Yield Fund | After Taxes on Distributions | Chartwell Short Duration High Yield Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 5.76% [2]
5 Years rr_AverageAnnualReturnYear05 1.81% [2]
Since Inception rr_AverageAnnualReturnSinceInception 1.48% [2]
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 15, 2014 [2]
Chartwell Short Duration High Yield Fund | After Taxes on Distributions and Sales | Chartwell Short Duration High Yield Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 4.32% [2]
5 Years rr_AverageAnnualReturnYear05 1.85% [2]
Since Inception rr_AverageAnnualReturnSinceInception 1.59% [2]
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 15, 2014 [2]
Chartwell Short Duration High Yield Fund | ICE BofA Merrill Lynch US High Yield Cash Payout BB 1-3 Year Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 8.69%
5 Years rr_AverageAnnualReturnYear05 4.61%
Since Inception rr_AverageAnnualReturnSinceInception 4.21%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 15, 2014
Chartwell Short Duration High Yield Fund | Bloomberg Barclays Intermediate Government/Credit Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 6.80%
5 Years rr_AverageAnnualReturnYear05 2.57%
Since Inception rr_AverageAnnualReturnSinceInception 2.53%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 15, 2014
Chartwell Small Cap Growth Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading SUMMARY SECTION – Chartwell Small Cap Growth Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The investment objective of the Chartwell Small Cap Growth Fund (the "Fund") is to seek long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the 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 [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover 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 104% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 104.00%
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees The total annual fund operating expenses and total annual fund operating expenses after fee waiver and/or expense reimbursement do not correlate to the ratio of expenses to average net assets appearing in the financial highlights table, which reflects only the operating expenses of the Fund and does not include acquired fund fees and expenses.
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in the 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. The example reflects adjustments made to the Fund's operating expenses due to the fee waivers and/or expense reimbursements by the Fund's advisor as described above for the One Year numbers only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in common stocks of small capitalization U.S. companies. The Fund's advisor considers small capitalization companies to be those with market capitalizations that, at the time of initial purchase, have a market capitalization generally within the range of the Russell 2000 Growth Index during the most recent 12-month period (which was approximately $13 million and $10.6 billion as of December 31, 2019). The Russell 2000 Growth Index is reconstituted annually. Because small capitalization companies are defined by reference to an index, the range of market capitalization of companies of which the Chartwell Small Cap Growth Fund invests may vary with market conditions. The Fund may continue to hold securities of companies whose market capitalization was within such range at the time of purchase but whose current market capitalization may be outside of that range.

 

The Fund's advisor uses a "growth" style of management and seeks to identify companies with above average potential for earnings growth.

 

The Fund may invest up to 20% of its assets in U.S. dollar denominated securities of issuers based outside of the U. S. The Advisor may purchase exchange-traded funds ("ETFs") designed to track U.S. small-cap indices to manage the Fund's cash holdings and gain exposure to the types of securities in which the Fund primarily invests. ETFs are investment companies that invest in portfolios of securities designed to track particular market segments or indices, the shares of which are bought and sold on a securities exchange.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in common stocks of small capitalization U.S. companies.
Risk [Heading] rr_RiskHeading Principal Risks of Investing
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

Risk is inherent in all investing. A summary description of certain principal risks of investing in the Fund is set forth below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. There can be no assurance that the Fund will achieve its investment objectives.

 

Market Risk. The market price of a security or instrument may decline, sometimes rapidly or unpredictably, due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic or political conditions throughout the world, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

 

Equity Securities Risk. The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

 

Growth-Oriented Investment Strategies Risk. Growth funds generally focus on stocks of companies believed to have above-average potential for growth in revenue and earnings. Growth securities typically are very sensitive to market movements because their market prices frequently reflect projections of future earnings or revenues, and when it appears that those expectations will not be met, the prices of growth securities typically fall.

 

Small-Cap Company Risk. The Fund will primarily invest in equity securities of small-cap companies. The securities of small-cap companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger-sized companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than large capitalization companies by changes in earning results, business prospects, investor expectations or poor economic or market conditions.

 

Foreign Investment Risk. The prices of foreign securities may be more volatile than the prices of securities of U.S. issuers because of economic and social conditions abroad, political developments, and changes in the regulatory environments of foreign countries. In addition, changes in exchange rates and interest rates may adversely affect the value of the Fund's foreign investments. Foreign companies are generally subject to different legal and accounting standards than U.S. companies, and foreign financial intermediaries may be subject to less supervision and regulation than U.S. financial firms. Foreign securities include ADRs. Unsponsored ADRs are organized independently and without the cooperation of the foreign issuer of the underlying securities, and involve additional risks because U.S. reporting requirements do not apply. In addition, the issuing bank may deduct shareholder distribution, custody, foreign currency exchange, and other fees from the payment of dividends.

 

Sector Focus Risk. From time to time, the Fund may invest a significant amount of its total assets in certain sectors of the economy, which may be subject to specific risks, like changes in governmental regulation and policy and changes in market sentiment. For example, as of October 31, 2019, 31.6% of the Fund's assets were invested in stocks within the Health Care sector. Performance of companies in the Health Care sector may be affected by, among other things, government regulation, industry innovation, and extensive litigation based on product liability and similar claims.

 

Currency Risk. The values of investments in securities denominated in foreign currencies increase or decrease as the rates of exchange between those currencies and the U.S. Dollar change. Currency conversion costs and currency fluctuations could erase investment gains or add to investment losses. Currency exchange rates can be volatile and are affected by factors such as general economic conditions, the actions of the U.S. and foreign governments or central banks, the imposition of currency controls, and speculation.

 

ETF Risk. Investing in an ETF will provide the Fund with exposure to the securities comprising the index on which the ETF is based and will expose the Fund to risks similar to those of investing directly in those securities. Shares of ETFs typically trade on securities exchanges and may at times trade at a premium or discount to their net asset values. In addition, an ETF may not replicate exactly the performance of the benchmark index it seeks to track for a number of reasons, including transaction costs incurred by the ETF, the temporary unavailability of certain index securities in the secondary market or discrepancies between the ETF and the index with respect to the weighting of securities or the number of securities held. Investing in ETFs, which are investment companies, involves duplication of advisory fees and certain other expenses. The Fund will pay brokerage commissions in connection with the purchase and sale of shares of ETFs.

 

Liquidity Risk. The Fund may not be able to sell some or all of the investments that it holds due to a lack of demand in the marketplace or other factors such as market turmoil, or if the Fund is forced to sell an illiquid asset to meet redemption requests or other cash needs it may only be able to sell those investments at a loss. In addition, the reduction in dealer market-making capacity in the fixed income markets that has occurred in recent years has the potential to decrease the liquidity of the Fund's investments. Illiquid assets may also be difficult to value.

 

Management and Strategy Risk. The value of your investment depends on the judgment of the Fund's advisor about the quality, relative yield, value or market trends affecting a particular security, industry, sector or region, which may prove to be incorrect.
Risk Lose Money [Text] rr_RiskLoseMoney Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

Performance results shown in the bar chart and the performance table below reflect the performance of the Fund. The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.

 

The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year by showing how the average annual total returns of the Fund compare with the average annual total returns of a broad-based market index. Updated performance information is available at the Fund's website, www.chartwellip.com, or by calling the Fund at 1-888-995-5505.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year by showing how the average annual total returns of the Fund compare with the average annual total returns of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-888-995-5505
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.chartwellip.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar-Year Total Return (before taxes) For each calendar year at NAV
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Calendar Quarter Return at NAV 18.39% Quarter Ended 3/31/2019
Lowest Calendar Quarter Return at NAV (22.31)% Quarter Ended 12/31/2018
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (for periods ended December 31, 2019)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
Chartwell Small Cap Growth Fund | Chartwell Small Cap Growth Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol CWSGX
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Redemption fee if redeemed within 30 days of purchase (as a percentage of amount redeemed) rr_RedemptionFeeOverRedemption (1.00%)
Wire fee chart_WireFee $ 20
Overnight check delivery fee chart_OvernightCheckDeliveryFee 25
Retirement account fees (annual maintenance fee) rr_ShareholderFeeOther $ 15
Management fees rr_ManagementFeesOverAssets 0.85%
Distribution (Rule 12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.79%
Total annual fund operating expenses rr_ExpensesOverAssets 1.64% [5]
Fee waiver and/or expense reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.59%) [5],[6]
Total annual fund operating expenses after fee waiver and/or expense reimbursements rr_NetExpensesOverAssets 1.05% [5],[6]
One Year rr_ExpenseExampleYear01 $ 107
Three Years rr_ExpenseExampleYear03 461
Five Years rr_ExpenseExampleYear05 840
Ten Years rr_ExpenseExampleYear10 $ 1,904
Annual Return 2018 rr_AnnualReturn2018 (8.37%)
Annual Return 2019 rr_AnnualReturn2019 27.38%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Calendar Quarter Return at NAV
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2019
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.39%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Calendar Quarter Return at NAV
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2018
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (22.31%)
1 Year rr_AverageAnnualReturnYear01 27.38%
Since Inception rr_AverageAnnualReturnSinceInception 10.93%
Inception Date rr_AverageAnnualReturnInceptionDate Jun. 16, 2017
Chartwell Small Cap Growth Fund | After Taxes on Distributions | Chartwell Small Cap Growth Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 27.37% [7]
Since Inception rr_AverageAnnualReturnSinceInception 10.87% [7]
Inception Date rr_AverageAnnualReturnInceptionDate Jun. 16, 2017 [7]
Chartwell Small Cap Growth Fund | After Taxes on Distributions and Sales | Chartwell Small Cap Growth Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 16.22% [7]
Since Inception rr_AverageAnnualReturnSinceInception 8.47% [7]
Inception Date rr_AverageAnnualReturnInceptionDate Jun. 16, 2017 [7]
Chartwell Small Cap Growth Fund | Russell 2000 Growth Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 28.48%
Since Inception rr_AverageAnnualReturnSinceInception 11.22%
Inception Date rr_AverageAnnualReturnInceptionDate Jun. 16, 2017
Chartwell Small Cap Value Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading SUMMARY SECTION – Chartwell Small Cap Value Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The investment objective of the Chartwell Small Cap Value Fund is to seek long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the 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 [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover 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 portfolio turnover rate of the Chartwell Small Cap Value Fund was 30% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 30.00%
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in the 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. The example reflects adjustments made to the Fund's operating expenses due to the fee waivers and/or expense reimbursements by the Fund's advisor as described above for the One Year numbers only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in common stocks of small capitalization U.S. companies. The Fund's advisor considers small capitalization companies to be those companies that, at the time of initial purchase, have a market capitalization within the range of the Russell 2000 Value Index during the most recent 12-month period (which was $25 million and $6.8 billion as of December 31, 2019). The Russell 2000 Value Index is reconstituted annually. Because small capitalization companies are defined by reference to an index, the range of market capitalization of companies of which the Chartwell Small Cap Value Fund invests may vary with market conditions. The Fund may continue to hold securities of companies whose market capitalization was within such range, at the time of initial purchase, but whose current market capitalization may be outside of that range.

 

The Fund generally invests in companies that its advisor believes to be undervalued. The advisor's investment approach seeks to identify companies with favorable valuations, margin improvement, product innovations and visionary management teams. The Fund's advisor employs a blend of value disciplines that the advisor believes will result in consistent performance.

 

The Fund may invest up to 20% of its assets in U.S. dollar denominated securities of issuers based outside of the U. S. The Advisor may purchase exchange-traded funds ("ETFs") designed to track U.S. small-cap indices to manage the Fund's cash holdings and gain exposure to the types of securities in which the Fund primarily invests. ETFs are investment companies that invest in portfolios of securities designed to track particular market segments or indices, the shares of which are bought and sold on a securities exchange.

 

The Fund may also invest in real estate investment trusts ("REITs"). REITs are companies that own, and typically operate, income-producing real estate or real estate-related assets.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal circumstances, the Fund will invest at least 80% of its net assets (including amounts borrowed for investment purposes) in common stocks of small capitalization U.S. companies.
Risk [Heading] rr_RiskHeading Principal Risks of Investing
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

Risk is inherent in all investing. A summary description of certain principal risks of investing in the Fund is set forth below. Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money. There can be no assurance that the Fund will achieve its investment objectives.

 

Market Risk. The market price of a security or instrument may decline, sometimes rapidly or unpredictably, due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic or political conditions throughout the world, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The market value of a security or instrument also may decline because of factors that affect a particular industry or industries, such as labor shortages or increased production costs and competitive conditions within an industry.

 

Equity Securities Risk. The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate, or factors relating to specific companies in which the Fund invests.

 

Value-Oriented Investment Strategies Risk. Value stocks are those that are believed to be undervalued in comparison to their peers due to adverse business developments or other factors. Value investing is subject to the risk that the market will not recognize a security's inherent value for a long time or at all, or that a stock judged to be undervalued may actually be appropriately priced or overvalued. In addition, during some periods (which may be extensive) value stocks generally may be out of favor in the markets. Therefore, the Fund is most suitable for long-term investors who are willing to hold their shares for extended periods of time through market fluctuations and the accompanying changes in share prices.

 

Small-Cap Company Risk. The Fund will primarily invest in equity securities of small-cap companies. The securities of small-cap companies may be subject to more abrupt or erratic market movements and may have lower trading volumes or more erratic trading than securities of larger-sized companies or the market averages in general. In addition, such companies typically are subject to a greater degree of change in earnings and business prospects than large capitalization companies by changes in earning results, business prospects, investor expectations or poor economic or market conditions.

 

Foreign Investment Risk. The prices of foreign securities may be more volatile than the prices of securities of U.S. issuers because of economic and social conditions abroad, political developments, and changes in the regulatory environments of foreign countries. In addition, changes in exchange rates and interest rates may adversely affect the value of the Fund's foreign investments. Foreign companies are generally subject to different legal and accounting standards than U.S. companies, and foreign financial intermediaries may be subject to less supervision and regulation than U.S. financial firms. Foreign securities include ADRs. Unsponsored ADRs are organized independently and without the cooperation of the foreign issuer of the underlying securities, and involve additional risks because U.S. reporting requirements do not apply. In addition, the issuing bank may deduct shareholder distribution, custody, foreign currency exchange, and other fees from the payment of dividends.

 

Sector Focus Risk. From time to time, the Fund may invest a significant amount of its total assets in certain sectors of the economy, which may be subject to specific risks, like changes in governmental regulation and policy and changes in market sentiment. For example, as of October 31, 2019, 24.3% of the Fund's assets were invested in stocks within the Financial sector. Performance of companies in the Financial sector may be adversely impacted by many factors, including, among others: government regulations of, or related to, the sector; governmental monetary and fiscal policies; economic, business or political conditions; credit rating downgrades; changes in interest rates; price competition; and decreased liquidity in credit markets. This sector has experienced significant losses and a high degree of volatility in the past, and the impact of more stringent capital requirements and of recent or future regulation on any individual financial company or on the sector as a whole cannot be predicted.

 

Currency Risk. The values of investments in securities denominated in foreign currencies increase or decrease as the rates of exchange between those currencies and the U.S. Dollar change. Currency conversion costs and currency fluctuations could erase investment gains or add to investment losses. Currency exchange rates can be volatile and are affected by factors such as general economic conditions, the actions of the U.S. and foreign governments or central banks, the imposition of currency controls, and speculation.

 

REIT Risk. The Fund's investment in REITs will subject the Fund to risks similar to those associated with direct ownership of real estate, including losses from casualty or condemnation, and changes in local and general economic, supply and demand, interest rates, zoning laws, regulatory limitations on rents, property taxes and operating expenses.

 

ETF Risk. Investing in an ETF will provide the Fund with exposure to the securities comprising the index on which the ETF is based and will expose the Fund to risks similar to those of investing directly in those securities. Shares of ETFs typically trade on securities exchanges and may at times trade at a premium or discount to their net asset values. In addition, an ETF may not replicate exactly the performance of the benchmark index it seeks to track for a number of reasons, including transaction costs incurred by the ETF, the temporary unavailability of certain index securities in the secondary market or discrepancies between the ETF and the index with respect to the weighting of securities or the number of securities held. Investing in ETFs, which are investment companies, involves duplication of advisory fees and certain other expenses. The Fund will pay brokerage commissions in connection with the purchase and sale of shares of ETFs.

 

Liquidity Risk. The Fund may not be able to sell some or all of the investments that it holds due to a lack of demand in the marketplace or other factors such as market turmoil, or if the Fund is forced to sell an illiquid asset to meet redemption requests or other cash needs it may only be able to sell those investments at a loss. In addition, the reduction in dealer market-making capacity in the fixed income markets that has occurred in recent years has the potential to decrease the liquidity of the Fund's investments. Illiquid assets may also be difficult to value.

 

Management and Strategy Risk. The value of your investment depends on the judgment of the Fund's advisor about the quality, relative yield, value or market trends affecting a particular security, industry, sector or region, which may prove to be incorrect. Investment strategies employed by the Fund's advisor in selecting investments for the Fund may not result in an increase in the value of your investment or in overall performance equal to other investments.
Risk Lose Money [Text] rr_RiskLoseMoney Before you decide whether to invest in the Fund, carefully consider these risk factors and special considerations associated with investing in the Fund, which may cause investors to lose money.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The Fund acquired the assets and liabilities of the Chartwell Small Cap Value Fund (the "Predecessor Fund"), a series of Investment Managers Series Trust, on July 17, 2017. As a result of the reorganization, the Fund is the accounting successor of the Predecessor Fund. Performance results shown in the bar chart and the performance table below reflect the performance of the Predecessor Fund. The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.

 

The bar chart and table below provide some indication of the risks of investing in the Fund and the Predecessor Fund by showing changes in the Predecessor Fund's performance from year to year by showing how the average annual total returns of the Predecessor Fund compare with the average annual total returns of a broad-based market index. Updated performance information is available at the Fund's website, www.chartwellip.com, or by calling the Fund at 1-888-995-5505.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table below provide some indication of the risks of investing in the Fund and the Predecessor Fund by showing changes in the Predecessor Fund's performance from year to year by showing how the average annual total returns of the Predecessor Fund compare with the average annual total returns of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-888-995-5505
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.chartwellip.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar-Year Total Return (before taxes) For each calendar year at NAV
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Calendar Quarter Return at NAV 13.76% Quarter Ended 3/31/2013
Lowest Calendar Quarter Return at NAV (17.13)% Quarter Ended 12/31/2018
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (for periods ended December 31, 2019)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
Chartwell Small Cap Value Fund | Chartwell Small Cap Value Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol CWSIX
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of the lesser of the value redeemed or the amount invested) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Redemption fee if redeemed within 30 days of purchase (as a percentage of amount redeemed) rr_RedemptionFeeOverRedemption (1.00%)
Wire fee chart_WireFee $ 20
Overnight check delivery fee chart_OvernightCheckDeliveryFee 25
Retirement account fees (annual maintenance fee) rr_ShareholderFeeOther $ 15
Management fees rr_ManagementFeesOverAssets 0.90%
Distribution (Rule 12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.17%
Total annual fund operating expenses rr_ExpensesOverAssets 1.07%
Fee waiver and/or expense reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.02%) [8]
Total annual fund operating expenses after fee waiver and/or expense reimbursements rr_NetExpensesOverAssets 1.05% [8]
One Year rr_ExpenseExampleYear01 $ 107
Three Years rr_ExpenseExampleYear03 338
Five Years rr_ExpenseExampleYear05 588
Ten Years rr_ExpenseExampleYear10 $ 1,304
Annual Return 2013 rr_AnnualReturn2013 37.32%
Annual Return 2014 rr_AnnualReturn2014 7.17%
Annual Return 2015 rr_AnnualReturn2015 (8.53%)
Annual Return 2016 rr_AnnualReturn2016 28.91%
Annual Return 2017 rr_AnnualReturn2017 8.92%
Annual Return 2018 rr_AnnualReturn2018 (12.75%)
Annual Return 2019 rr_AnnualReturn2019 23.79%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Calendar Quarter Return at NAV
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2013
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 13.76%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Calendar Quarter Return at NAV
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2018
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (17.13%)
1 Year rr_AverageAnnualReturnYear01 23.79%
5 Years rr_AverageAnnualReturnYear05 6.76%
Since Inception rr_AverageAnnualReturnSinceInception 10.02%
Inception Date rr_AverageAnnualReturnInceptionDate Mar. 16, 2012
Chartwell Small Cap Value Fund | After Taxes on Distributions | Chartwell Small Cap Value Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 22.77% [7]
5 Years rr_AverageAnnualReturnYear05 5.92% [7]
Since Inception rr_AverageAnnualReturnSinceInception 9.26% [7]
Inception Date rr_AverageAnnualReturnInceptionDate Mar. 16, 2012 [7]
Chartwell Small Cap Value Fund | After Taxes on Distributions and Sales | Chartwell Small Cap Value Fund Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 14.81% [7]
5 Years rr_AverageAnnualReturnYear05 5.22% [7]
Since Inception rr_AverageAnnualReturnSinceInception 8.02% [7]
Inception Date rr_AverageAnnualReturnInceptionDate Mar. 16, 2012 [7]
Chartwell Small Cap Value Fund | Russell 2000 Value Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 22.39%
5 Years rr_AverageAnnualReturnYear05 6.99%
Since Inception rr_AverageAnnualReturnSinceInception 9.88%
Inception Date rr_AverageAnnualReturnInceptionDate Mar. 16, 2012
[1] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding any taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 0.64% of the average daily net assets of the Fund's shares. This agreement is in effect until for at least one year from the date of this prospectus, and it may be terminated prior to this time only by the Trust's Board of Trustees, or if the investment advisory agreement is terminated (i) by The Chartwell Funds upon 60 days' notice to the advisor provided such termination was directed or approved by a vote of a majority of the Trustees of The Chartwell Funds or by the vote of the holders of a majority of the voting securities of the Fund at the time outstanding or entitled to vote; (ii) by the advisor upon 60 days' notice to The Chartwell Funds; or (iii) by an assignment of the investment advisory agreement. The advisor is permitted to seek reimbursement from the Fund, subject to certain limitations, of fees waived or payments made to the Fund after April 29, 2018, for a period ending three years after the date of the waiver or payment, provided that no reimbursement will cause the Fund's annual expense ratio to exceed the lesser of the (i) expense limitation amount in effect at the time such fees were waived or payments made, and (ii) the expense limitation amount in effect at the time of the reimbursement.
[2] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
[3] Effective September 1, 2019, the Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding any taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 0.90% of the average daily net assets of the Fund's shares. This agreement is in effect until for at least one year from the date of this prospectus, and it may be terminated prior to this time only by the Trust's Board of Trustees, or if the investment advisory agreement is terminated (i) by The Chartwell Funds upon 60 days' notice to the advisor provided such termination was directed or approved by a vote of a majority of the Trustees of The Chartwell Funds or by the vote of the holders of a majority of the voting securities of the Fund at the time outstanding or entitled to vote; (ii) by the advisor upon 60 days' notice to The Chartwell Funds; or (iii) by an assignment of the investment advisory agreement. The advisor is permitted to seek reimbursement from the Fund, subject to certain limitations, of fees waived or payments made to the Fund after April 29, 2018, for a period ending three years after the date of the waiver or payment, provided that no reimbursement will cause the Fund's annual expense ratio to exceed the lesser of the (i) expense limitation amount in effect at the time such fees were waived or payments made, and (ii) the expense limitation amount in effect at the time of the reimbursement.
[4] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding any taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 0.49% of the average daily net assets of the Fund shares. This agreement is in effect for at least one year from the date of this prospectus, and it may be terminated prior to this time only by the Trust's Board of Trustees, or if the investment advisory agreement is terminated (i) by The Chartwell Funds upon 60 days' notice to the advisor provided such termination was directed or approved by a vote of a majority of the Trustees of The Chartwell Funds or by the vote of the holders of a majority of the voting securities of the Fund at the time outstanding or entitled to vote; (ii) by the advisor upon 60 days' notice to The Chartwell Funds; or (iii) by an assignment of the investment advisory agreement. The advisor is permitted to seek reimbursement from the Fund, subject to certain limitations, of fees waived or payments made to the Fund for a period ending three years after the date of the waiver or payment, provided that no reimbursement will cause the Fund's annual expense ratio to exceed the lesser of the (i) expense limitation amount in effect at the time such fees were waived or payments made, and (ii) the expense limitation amount in effect at the time of the reimbursement.
[5] The total annual fund operating expenses and total annual fund operating expenses after fee waiver and/or expense reimbursement do not correlate to the ratio of expenses to average net assets appearing in the financial highlights table, which reflects only the operating expenses of the Fund and does not include acquired fund fees and expenses.
[6] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding any taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.05% of the average daily net assets of the Fund. This agreement is in effect for at least one year from the date of this prospectus, and it may be terminated before that date only by the Trust's Board of Trustees. The Fund's advisor is permitted to seek reimbursement from the Fund, subject to certain limitations, of fees waived or payments made to the Fund for a period ending three years after the date of the waiver or payment, provided that no reimbursement will cause the Fund's annual expense ratio to exceed the lesser of the (i) expense limitation amount in effect at the time such fees were waived or payments made, and (ii) the expense limitation amount in effect at the time of the reimbursement.
[7] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
[8] The Fund's advisor has contractually agreed to waive its fees and/or pay for operating expenses of the Fund to ensure that total annual fund operating expenses (excluding any taxes, leverage interest, brokerage commissions, dividend and interest expenses on short sales, acquired fund fees and expenses as determined in accordance with Form N-1A, expenses incurred in connection with any merger or reorganization, or extraordinary expenses such as litigation expenses) do not exceed 1.05% of average daily net assets of the Fund. This agreement is in effect for at least one year from the date of this prospectus, and it may be terminated prior to this time only by the Trust's Board of Trustees, or if the investment advisory agreement is terminated (i) by The Chartwell Funds upon 60 days' notice to the advisor provided such termination was directed or approved by a vote of a majority of the Trustees of The Chartwell Funds or by the vote of the holders of a majority of the voting securities of the Fund at the time outstanding or entitled to vote; (ii) by the advisor upon 60 days' notice to The Chartwell Funds; or (iii) by an assignment of the investment advisory agreement. The Advisor is permitted to seek reimbursement from the Fund, subject to certain limitations, of fees waived or payments made to the Fund for a period ending three years after the date of the waiver or payment, provided that no reimbursement will cause the Fund's annual expense ratio to exceed the lesser of the (i) expense limitation amount in effect at the time such fees were waived or payments made, and (ii) the expense limitation amount in effect at the time of the reimbursement.