Investment Risks - Nomura Global Listed Real Assets Fund - Nomura Global Listed Real Assets Fund |
Oct. 31, 2025 |
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| Risk Lose Money [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Investing in any mutual fund involves the risk that you may lose part or all of the money you invest. Over time, the value of your investment in the Fund will increase and decrease according to changes in the value of the securities in the Fund’s portfolio. An investment in the Fund may not be appropriate for all investors. |
| Market Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Market risk — The risk that all or a majority of the securities in a certain market — such as the stock or bond market — will decline in value because of factors such as adverse political or economic conditions, future expectations, investor confidence, or heavy institutional selling.
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| Real assets industries risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Real assets industries risk — The risk that the value of a fund’s shares will be affected by factors particular to real assets securities and related industries or sectors (such as government regulation) and may fluctuate more widely than that of a fund that invests in a broad range of industries.
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| Real estate industry risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Real estate industry risk — This risk includes, among others: possible declines in the value of real estate; risks related to general and local economic conditions; possible lack of availability of mortgage funds; overbuilding; extended vacancies of properties; increases in competition, property taxes, and operating expenses; changes in zoning laws; costs resulting from the cleanup of, and liability to third parties resulting from, environmental problems; casualty for condemnation losses; uninsured damages from floods, earthquakes, or other natural disasters; limitations on and variations in rents; and changes in interest rates.
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| Commodity-related investments risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Commodity-related investments risk — The value of commodities investments will generally be affected by overall market movements and factors specific to a particular industry or commodity, which may include weather, embargoes, tariffs, and economic health, political, international regulatory and other developments. Exposure to the commodities markets may subject the Fund to greater volatility than investments in traditional securities. The investment team does not plan to always implement exposure to commodities in the Fund, however they will consider holding commodity exchange traded funds in market scenarios where inflation is running higher than normal and their asset allocation model signals for additional commodity exposure. In addition, the Fund may use futures and options on commodities for a variety of purposes such as hedging against adverse changes in the market prices of securities, as a substitute for purchasing or selling securities, to increase the Fund’s return as a non-hedging strategy that may be considered speculative and to manage the Fund’s portfolio characteristics.
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| Currency risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Currency risk — The risk that fluctuations in exchange rates between the US dollar and foreign currencies and between various foreign currencies may cause the value of an investment to decline.
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| Forward foreign currency risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Forward foreign currency risk — The use of forward foreign currency contracts may substantially change a fund’s exposure to currency exchange rates and could result in losses to a fund if currencies do not perform as the portfolio manager expects. The use of these investments as a hedging technique to reduce a fund’s exposure to currency risks may also reduce its ability to benefit from favorable changes in currency exchange rates.
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| Gold and other precious metals risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Gold and other precious metals risk — Investments related to gold and other precious metals are considered speculative and are affected by a variety of worldwide economic, financial and political factors. The price of gold and other precious metals may fluctuate sharply over short periods of time due to changes in inflation or expectations regarding inflation in various countries, the availability of supplies of gold and other precious metals, changes in industrial and commercial demand, gold and other precious metals sales by governments, central banks or international agencies, investment speculation, monetary and other economic policies of various governments and government restrictions on private ownership of gold and other precious metals.
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| Infrastructure risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Infrastructure risk — Infrastructure companies may be subject to a variety of factors that may adversely affect their business or operations, including high interest costs in connection with capital construction programs, high leverage, costs associated with environmental and other regulations, the effects of economic slowdown, surplus capacity, increased competition from other providers of services, uncertainties concerning the availability of fuel at reasonable prices, the effects of energy conservation policies and other factors. Some of the specific risks that infrastructure companies may be particularly affected by, or subject to, include the following: regulatory risk, technology risk, regional or geographic risk, natural disasters risk, through-put risk, project risk, strategic asset risk, operation risk, customer risk, interest rate risk, inflation risk and financing risk. Other factors that may affect the operations of infrastructure companies include difficulty in raising capital in adequate amounts on reasonable terms in periods of high inflation and unsettled capital markets, inexperience with and potential losses resulting from a developing deregulatory environment, increased susceptibility to terrorist acts or political actions, and general changes in market sentiment towards infrastructure assets. In addition, the change in presidential administration could significantly impact the regulation of United States financial markets and dramatically alter existing trade, tax, energy and infrastructure policies, among others. It is not possible to predict what, if any, changes will be made or their potential effect on the economy, securities markets, or financial stability of the United States, or on the energy, natural resources, infrastructure and other markets.
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| Derivatives Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Derivatives risk — Derivatives contracts, such as futures, forward foreign currency contracts, options, and swaps, may involve additional expenses (such as the payment of premiums) and are subject to significant loss if a security, index, reference rate, or other asset or market factor to which a derivatives contract is associated, moves in an unanticipated direction. When used for hedging, the change in value of the derivatives instrument may also not correlate specifically with the currency, rate, or other risk being hedged, in which case a fund may not realize the intended benefits. Derivatives contracts are also subject to the risk that the counterparty may fail to perform its obligations under the contract due to, among other reasons, financial difficulties (such as a bankruptcy or reorganization).
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| Exchange-traded fund risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Exchange-traded fund risk — The risks of investing in an ETF typically reflect the risks of the instruments in which the ETF invests. Because ETFs are investment companies, a fund will bear its proportionate share of the fees and expenses of an investment in an ETF. As a result, a fund’s expenses may be higher and performance may be lower.
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| Interest rate risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Interest rate risk — The risk that securities will decrease in value if interest rates rise. The risk is generally associated with bonds; however, because small- and medium-sized companies and companies in the real estate sector often borrow money to finance their operations, they may be adversely affected by rising interest rates. A fund may be subject to a greater risk of rising interest rates when interest rates are low or inflation rates are high or rising.
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| Foreign and Emerging Markets Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Foreign and emerging markets risk — The risk that investments in foreign securities (particularly those of issuers in emerging markets) may be adversely affected by political instability; changes in currency exchange rates; inefficient markets and higher transaction costs; foreign economic conditions; the imposition of economic or trade sanctions; or inadequate or different regulatory and accounting standards. Securities of issuers in emerging markets may be subject to greater risks than securities of issuers in more developed foreign markets because, among other things, emerging markets may have less stable political and economic environments. In addition, there often is substantially less publicly available information about issuers and such information tends to be of a lesser quality. Economic markets and structures tend to be less mature and diverse and the securities markets may also be smaller, less liquid, and subject to greater price volatility.
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| Foreign government/supranational risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Foreign government/supranational risk — The risk that a foreign government or government-related issuer may be unable to make timely payments on its external debt obligations.
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| Prepayment Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Prepayment risk — The risk that the principal on a bond that is held by a fund will be prepaid prior to maturity at a time when interest rates are lower than what that bond was paying. A fund may then have to reinvest that money at a lower interest rate.
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| Liquidity Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Liquidity risk — The possibility that investments cannot be readily sold within seven calendar days at approximately the price at which a fund has valued them.
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| Government and Regulatory Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Government and regulatory risk — The risk that governments or regulatory authorities may take actions that could adversely affect various sectors of the securities markets and affect fund performance.
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| Company size risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Company size risk — The risk that investments in small- and/or medium-sized companies may be more volatile than those of larger companies because of limited financial resources or dependence on narrow product lines.
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| Credit risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Credit risk — The risk that an issuer of a debt security, including a governmental issuer or an entity that insures a bond, may be unable to make interest payments and/or repay principal in a timely manner.
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| High Yield (Junk) Bond Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | High yield (junk) bond risk — The risk that high yield securities, commonly known as “junk bonds,” are subject to reduced creditworthiness of issuers, increased risk of default, and a more limited and less liquid secondary market. High yield securities may also be subject to greater price volatility and risk of loss of income and principal than are higher-rated securities.
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| Leveraging Risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Leveraging risk — The risk that certain fund transactions, such as reverse repurchase agreements, short sales, loans of portfolio securities, and the use of when-issued, delayed delivery or forward commitment transactions, or derivatives instruments, may give rise to leverage, causing a fund to be more volatile than if it had not been leveraged, which may result in increased losses to the fund.
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| Natural resources risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Natural resources risk — The market value of Natural Resources Securities may be affected by numerous factors, including events occurring in nature, inflationary pressures and international politics. Because the Fund invests significantly in Natural Resources Securities, there is the risk that the Fund will perform poorly during a downturn in the natural resource sector. For example, events occurring in nature (such as earthquakes or fires in prime natural resource areas) and political events (such as coups, military confrontations or acts of terrorism) can affect the overall supply of a natural resource and the value of companies involved in such natural resource.
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| MLP risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | MLP risk — The risk related to the Fund’s investment in MLPs. Energy infrastructure MLPs are subject to a variety of industry specific risk factors that may adversely affect their business or operations, including those due to commodity production, volumes, commodity prices, weather conditions, terrorist attacks, etc. They are also subject to significant federal, state and local government regulation. Investment in MLPs may also have tax consequences for shareholders. If the Fund retains its investment until its basis is reduced to zero, subsequent distributions will be taxable at ordinary income rates and shareholders may receive corrected 1099s.
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| Active trading risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Active trading risk — The risk that active management will increase the expenses of the Fund because of brokerage charges, spreads, or mark-up charges. Active trading could raise transaction costs, thereby lowering the Fund’s returns, and could generate taxes for shareholders on realized investment gains.
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| Active management and selection risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Active management and selection risk — The risk that the securities selected by a fund’s management will underperform the markets, the relevant indices, or the securities selected by other funds with similar investment objectives and investment strategies. The securities and sectors selected may vary from the securities and sectors included in the relevant index.
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