Investment Risks - Nomura Value Fund - Class A, C, R, Institutional and R6 - Nomura Value Fund |
Nov. 30, 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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| Limited number of securities risk [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Limited number of securities risk — The possibility that a single security’s increase or decrease in value may have a greater impact on a fund’s value and total return because the fund may hold larger positions in fewer securities than other funds. In addition, a fund that holds a limited number of securities may be more volatile than those funds that hold a greater number of securities.
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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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| Industry and sector risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Industry and sector risk — The risk that the value of securities in a particular industry or sector will decline because of changing expectations for the performance of that industry or sector.
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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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