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S000034848 [Member] Investment Risks - Wilmington Real Asset Fund
Apr. 30, 2026
Asset Allocation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Asset Allocation Risk. WTIA’s asset allocation decisions among various component strategies of the Fund may not anticipate market trends successfully. WTIA may make investment allocations among various market segments that do not perform as expected. WTIA attempts to identify investment allocations that will provide consistent, quality performance for the Fund, but there is no guarantee that the allocation techniques will produce the desired results. It is also possible that WTIA or another sub-advisor will focus on an investment that performs poorly or underperforms other investments under various market conditions. You could lose money on your investment in the Fund as a result of these allocation decisions.
Company Size Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Company Size Risk. The smaller companies in which the Fund may invest may have unproven track records, a limited product or service base, limited access to capital, and other attributes that can cause their share prices to fluctuate, and they may be more likely to fail than larger companies. Therefore, smaller companies may entail greater risks for investors than larger companies.
Exchange Traded Funds ETFs Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Exchange-Traded Funds (“ETFs”) Risk. An investment in an ETF generally presents the same primary risks as an investment in a conventional fund (i.e., one that is not exchange-traded) that has the same investment goals, strategies, and policies. The price of an ETF can fluctuate up or down, and a Fund could lose money investing in an ETF if the prices of the securities owned by the ETF go down. In addition, ETFs may be subject to the following risks that do not apply to conventional funds: (i) the market price of an ETF’s shares may trade above or below their net asset value; (ii) an active trading market for an ETF’s shares may not develop or be maintained; or (iii) trading of an ETF’s shares may be halted if the listing exchange’s officials deem such action appropriate, the shares are delisted from the exchange, or the activation of market-wide “circuit breakers” (which are tied to large decreases in stock prices) halts stock trading generally.
Foreign Investing Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Foreign Investing Risk. Economic, political or regulatory conditions may be less favorable, and markets may be less liquid, less transparent and more volatile, in foreign countries, and in particular emerging markets, than in the United States. Currency fluctuations may reduce investment gains or add to investment losses. In addition, the Fund will be subject to the risk that the issuer of foreign government securities or the governmental authorities that control the repayment of the debt may be unwilling to repay the principal or interest when due.
Forward Currency Exchange Contract Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Forward Currency Exchange Contract Risk. A forward foreign currency exchange contract is an agreement to buy or sell a specific currency at a future date and at a price set at the time of the contract. When used for hedging purposes, forward foreign currency exchange contracts may reduce the risk of loss from a change in value of a currency, but they also limit any potential gains, do not protect against fluctuations in the value of the underlying position and are subject to counterparty risk.
Market Risks [Member]  
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Market Risk. There is a risk that the value of the Fund’s investments may decrease in response to expected, real or perceived economic, political or financial events in the U.S. or global markets. The frequency and magnitude of such changes in value cannot be predicted. Certain securities and other investments held by the Fund may experience increased volatility, illiquidity, or other potentially adverse effects in response to changing market conditions, inflation, changes in interest rates, trade disputes, changes in trade regulation or economic sanctions, elevated levels of government debt, internal unrest and discord, lack of liquidity in the bond or equity markets, volatility in the equity markets, market disruptions caused by local or regional events such as war, acts of terrorism, the spread of infectious illness (including epidemics and pandemics) or other public health issues, recessions, the threat or occurrence of a government shutdown, or other events or adverse investor sentiment or other political, regulatory, economic and social developments, and developments that impact specific economic sectors, industries or
    segments of the market. These risks may be magnified if certain events or developments adversely interrupt the global supply chain; in these and other circumstances, such risks might affect companies worldwide due to increasingly interconnected global economies and financial markets. Market risk includes the risk that a particular style of investing, such as growth or value, may underperform the market generally.
Stock Market Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Stock Market Risk. The value of equity securities in the Fund’s portfolio will fluctuate and, as a result, the Fund’s Share price may decline suddenly or over a sustained period of time.
Derivative Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Derivative Securities Risk. The risk that the Fund’s use of derivatives will cause losses (1) due to the unexpected effect of market movements on a derivative’s price; (2) because the derivatives do not perform as anticipated; (3) because the derivatives are not correlated with the performance of other investments which they are used to hedge; or (4) if the Fund is unable to liquidate a position because of an illiquid secondary market.
Derivatives Tax Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Derivatives Tax Risk. Compared to other types of investments, derivatives may be harder to value and may also be less tax efficient. In addition, changes in government regulation of derivative instruments could affect the character, timing and amount of the Fund’s taxable income or gains, and may limit or prevent the Fund from using certain types of derivative instruments as a part of its investment strategy, which could make the investment strategy more costly to implement or require
   
the Fund to change its investment strategy. To the extent that the Fund uses derivatives for hedging or to gain or limit exposure to a particular market or market segment, there may be imperfect correlation between the value of the derivative instrument and the value of the instrument being hedged or the relevant market or market segment, in which case the Fund may not realize the intended benefits. There is also the risk that during adverse market conditions, an instrument which would usually operate as a hedge provides no hedging benefits at all. The Fund’s use of derivatives may be limited by the requirements for taxation of the Fund as a regulated investment company.
Leverage Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Leverage Risk. The risk associated with securities transactions or practices that multiply small market movements into larger changes in value. The Fund derives substantially all of its commodities exposure from its investment in derivatives and other financial instruments that provide leveraged exposure. The Fund’s investment in these instruments generally requires a small investment relative to the amount of investment exposure assumed. As a result, such investments may give rise to losses that exceed the amount invested in those instruments. Because such instruments are an integral part of the Fund’s investment strategy, the use of such instruments may expose the Fund to potentially dramatic losses or gains in the value of its portfolio. The cost of investing in such instruments generally increases as interest rates increase, which will lower the Fund’s return.
Liquidity Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Liquidity Risk. The risk that certain securities or other instruments, such as derivatives, may be difficult or impossible for a Fund to sell or dispose of at the price at which the Fund has valued the security.
Multi Manager Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Multi-Manager Risk. The investment styles employed by sub-advisors may not be complementary. The multi-manager approach could result in a high level of portfolio turnover, resulting in higher brokerage expenses and increased tax liability from the Fund’s realization of capital gains.
Natural Resources Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Natural Resources Risk. Investments in companies that own or develop natural resources (e.g., exploring, mining, refining), or supply goods and services to such companies (e.g., drilling, processing, transporting, fabricating) expose the Fund to the greater volatility of the markets for these companies’ products, and to international economic, political and regulatory influences that frequently affect the operation of these companies.
Swap Agreement Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Swap Agreement Risk. With respect to an uncleared swap (i.e., negotiated bilaterally and traded OTC between the two parties), the Fund bears the risk of loss of the amount expected to be received under a swap agreement in the event of the default or bankruptcy of a swap agreement counterparty. Under certain market conditions, swap agreements also may be considered to be illiquid. In addition, the Fund may enter into swap agreements that involve a limited number of counterparties, which may increase the Fund’s exposure to counterparty credit risk. Further, there is a risk that no suitable counterparties are willing to enter into, or continue to enter into, transactions with the Fund and, as a result, the Fund may not be able to achieve its investment goal. In the case of a cleared swap (i.e., transacted through a futures commission merchant (an “FCM”) and cleared through a clearinghouse that serves as a central counterparty (e.g., certain credit default swaps)), there is also a risk of loss by the fund of the margin deposits posted with the FCM in the event of the FCM’s bankruptcy.
Call Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Call Risk. Issuers of callable securities may redeem the securities prior to maturity at a price below their current market value.
Commodity Related Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Commodity-Related Risk. Investments in commodities expose the Fund to the greater volatility of the commodity markets, to commodity-specific risks (weather, disease, supply/demand imbalances), and to international economic, political and regulatory influences that frequently affect the commodities markets.
Commodity Tax Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Commodity Tax Risk. The Fund’s ability to invest in certain instruments such as commodity-linked derivatives may be adversely affected by changes in legislation, regulations or other legally binding authority. Pursuant to the Internal Revenue Code of 1986, as amended, the Fund must derive at least 90% of its gross income from qualifying sources to qualify as a regulated investment company. Gains from the disposition of commodities are not considered qualifying income for this purpose. Additionally, the Internal Revenue Service has issued a revenue ruling which holds that income derived from commodity-linked swaps is not qualifying income. As a result, the Fund’s ability to directly invest in commodity-linked swaps as part of its investment strategy is limited to a maximum of 10% of its gross income. Failure to comply with the restrictions in the Internal Revenue Code of 1986, as amended, and any future legislation or guidance may cause the Fund to fail to qualify as a regulated investment company which may adversely impact a shareholder’s return. Alternatively, the Fund may forego those investments which could adversely affect the ability of the Fund to achieve its investment goal.
Credit Risks [Member]  
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Risk [Text Block]
    Credit Risk. There is a possibility that issuers of securities in which the Fund (and any Underlying Fund) invests may default in the payment of interest or principal on the securities when due, which would cause the Fund to lose money. Underlying Funds that invest in floating rate bank loans (through loan participations or assignments) expose the Fund to both lender and borrower risk, as well as to the potential of a lack of liquidity in the market for floating rate loans.
Futures Contracts Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
   
Futures Contracts Risk. The successful use of futures contracts will depend upon the investment manager’s skill and experience with respect to such instruments and is subject to special risk considerations. The primary risks associated with the use of futures contracts are
    (i) the imperfect correlation between the change in market value of the instruments held by the Fund and the price of the futures contract; (ii) possible lack of a liquid secondary market for a futures contract and the resulting inability to close a futures contract when desired; (iii) losses caused by unanticipated market movements, which are potentially unlimited; (iv) the inability to predict correctly the direction of securities prices, interest rates, currency exchange rates and other economic factors; and (v) if the Fund has insufficient cash, it may have to sell portfolio investments to meet daily variation margin requirements, and the Fund may have to sell such investments at a time when it may be disadvantageous to do so.
Inflation Indexed Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Inflation-Indexed Securities Risk. Because of the inflation-adjustment feature, inflation-indexed securities typically have lower yields than conventional fixed-rate bonds. The value of inflation-indexed, fixed income securities generally fluctuates in response to changes in real interest rates, which are in turn tied to the relationship between nominal interest rates and the rate of inflation. If nominal interest rates increase at a faster rate than inflation, real interest rates might rise, leading to a decrease in value of an inflation-indexed security. Interest payments on inflation-indexed securities will fluctuate as the principal and/or interest is adjusted for inflation and can be unpredictable. The amounts of the income distributions from an inflation-indexed security are likely to fluctuate considerably more than the income distribution amounts of a conventional bond. The Fund may also experience a loss on an inflation-indexed security if there is deflation. If inflation is lower than expected during the period the Fund holds an inflation-indexed security, the Fund may earn less on the security than on a conventional bond. There can be no assurance that the inflation index used will accurately measure the real rate of inflation in the prices of goods and services. The Fund’s investment in inflation-indexed securities may lose value in the event that the actual rate of inflation is different than the rate of the inflation index.
Inflation Indexed Securities Tax Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Inflation-Indexed Securities Tax Risk. Any increase in the principal amount of an inflation-indexed security may be included for tax purposes in the Fund’s gross income, even though no cash attributable to such gross income has been received by the Fund. In such event, the Fund may be required to make annual distributions to shareholders that exceed the cash it has otherwise received. In order to pay such distributions, the Fund may be required to raise cash by selling portfolio investments. The sale of such investments could result in capital gains to the Fund. In addition, adjustments during the taxable year for deflation to an inflation-indexed bond held by the Fund may cause amounts previously distributed by the Fund in the taxable year as income to be recharacterized as a return of capital.
Interest Rate Risks [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Interest Rate Risk. The risk posed by the fact that prices of fixed income securities rise and fall inversely in response to interest rate changes. For instance, a rise in interest rate causes a fall in the value of a fixed income security. In addition, this risk increases with the length of the maturity of the fixed income security. Accordingly, the yield earned by a Fund will vary with changes in interest rates. Also, when interest rates fall, the price of mortgage-backed securities may not rise to as great an extent as that of other fixed income securities. Duration is a measure of the expected life of a debt security that is used to determine the sensitivity of the security’s price to changes in interest rates. Generally, the longer the Fund’s duration, the more sensitive the Fund will be to changes in interest rates.
Master Limited Partnerships MLPs Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Master Limited Partnerships (“MLPs”) Risk. Investing in MLPs entails risks related to fluctuations in energy prices, decreases in the supply of, or demand for, energy commodities, decreases in demand for MLPs in rising interest rate environments, unique tax consequences due to the partnership structure and potentially limited liquidity.
Mortgage Backed and Asset Backed Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Mortgage-Backed and Asset-Backed Securities Risk. Through its investments in mortgage-backed securities, the Fund may have some exposure to subprime loans, as well as to the mortgage and credit markets generally. Subprime loans, which are loans made to borrowers with weakened credit histories, have had in many cases higher default rates than loans that meet government underwriting requirements. The credit quality of most asset-backed securities depends primarily on the credit quality of the assets underlying such securities, how well the entity issuing the security is insulated from the credit risk of the originator or any other affiliated entities, and the amount and quality of any credit enhancement of the securities.
Prepayment Risks [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Prepayment Risk. The risk that a mortgage-backed or other asset-backed security may be paid off and proceeds delivered to a Fund earlier than anticipated. Prepayment risk is more prevalent during periods of falling interest rates.
Real Estate Related Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Real Estate-Related Risk. Investments in real estate (generally REITs) expose the Fund to the risks of owning real estate directly, such as market-specific conditions (economic, supply/demand imbalances), creditworthiness of the issuer, quality of property management, and changing interest rates. Investing in REITs and REIT-
   
like entities involves certain unique risks in addition to those risks associated with investing in the real estate industry in general. REITs and REIT-like entities are dependent upon management skill, may not be diversified, and are subject to heavy cash flow dependency and self-liquidation. REITs and REIT-like entities also are subject to the possibility of failing to qualify for tax free pass-through of income. Also, because REITs and REIT-like entities typically are invested in a limited number of projects or in a particular market segment, these entities are more susceptible to adverse developments affecting a single project or market segment than more broadly diversified investments.
Structured Note Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Structured Note Risk. The value of these notes will rise or fall in response to changes in the underlying commodity or related index. These notes expose the Fund to movements in commodity prices. These notes also are subject to risks, such as credit, market and interest rate risks, that in general affect the values of debt securities. These notes are often leveraged, increasing the volatility of each note’s market value relative to changes in the underlying commodity, commodity futures contract or commodity index. Therefore, at the maturity of the note, the Fund may receive more or less principal than it originally invested. The Fund might receive interest payments on the note that are more or less than the stated coupon interest payments.
Underlying Funds Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
   
Underlying Funds’ Risk. The investment performance of the Fund is affected by the investment performance of the Underlying Funds in which it invests. The ability of the Fund to achieve its investment goal depends on the
    ability of the Underlying Funds to meet their investment goals and on the decisions of WTIA, as the Fund’s principal Sub-Advisor, regarding the allocation of the Fund’s assets among the Underlying Funds. There can be no assurance that the investment goal of the Fund or any Underlying Fund will be achieved. Through its investments in Underlying Funds, the Fund is subject to the risks of the Underlying Funds’ investments. Certain of the risks of the Underlying Funds’ investments are described above. In addition, both the Fund and the Underlying Funds in which it invests bear fees and expenses, so investment in the Fund may be subject to certain duplicate expenses. WTIA is subject to certain conflicts of interest in choosing the Underlying Funds in which the Fund may invest.
Active Trading Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
    Active Trading Risk. The Fund may trade securities actively, which could increase its transaction costs (thereby lowering its performance and increasing the amount of taxes that you pay).
Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] All mutual funds take investment risks. Therefore, it is possible to lose money by investing in the Fund.
Risk Not Insured Depository Institution [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.