v3.26.3
Investment Risks - Nomura ETF Trust II
Mar. 31, 2026
Nomura Diversified Income ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] Investing in any exchange-traded 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.
Nomura Diversified Income ETF | 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.
Nomura Diversified Income ETF | 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.
Nomura Diversified Income ETF | 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.
Nomura Diversified Income ETF | Interest rate risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Interest rate risk — The risk that the prices of bonds and other fixed income securities will increase as interest rates fall and decrease as interest rates rise. Interest rate changes are influenced by a number of factors, such as government policy, monetary policy, inflation expectations, and the supply and demand of bonds. Bonds and other fixed income securities with longer maturities or duration generally are more sensitive to interest rate changes. 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.
Nomura Diversified Income ETF | Loans and Other Direct Indebtedness Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Loans and other  direct indebtedness risk — The risk that a fund will not receive payment of principal, interest, and other amounts due in connection with these investments and will depend primarily on the financial condition of the borrower and the lending institution. A fund’s ability to sell its loans or to realize their full value upon sale may also be impaired due to the lack of an active trading market, irregular trading activity, wide bid/ask spreads, contractual restrictions, and extended trade settlement periods. In addition, certain loans in which a fund invests may not be considered securities. A fund therefore may not be able to rely upon the anti-fraud provisions of the federal securities laws with respect to these investments.
Nomura Diversified Income ETF | Mortgage-Backed and Asset-Backed Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Mortgage-backed and asset-backed securities risk — Mortgage-backed and asset-backed securities, like other fixed income securities, are subject to credit risk and interest rate risk, and may also be subject to prepayment risk and extension risk. Prepayment risk is the risk that the principal on mortgage-backed or asset-backed securities may be prepaid at any time, which will reduce the yield and market value of the securities and may cause the fund to reinvest the proceeds in lower yielding securities. Extension risk is the risk that principal on mortgage-backed or asset-backed securities will be repaid more slowly than expected, which may reduce the proceeds available for reinvestment in higher yielding
securities. In addition, mortgage-backed and asset-backed securities may decline in value, become more volatile, face difficulties in valuation, or experience reduced liquidity due to changes in interest rates or general economic conditions. Certain mortgage-backed or asset-backed securities, such as  collateralized mortgage obligations, real estate mortgage investment conduits, and stripped mortgage-backed securities, may be more susceptible to these risks than other mortgage-backed, asset-backed, or fixed-income securities.
Nomura Diversified Income ETF | 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. In addition, where all or a portion of a fund’s underlying securities trade in a market that is closed when the market in which the fund’s shares are listed and trading is open, there may be differences between the last quote from the security’s closed foreign market and the value of the security during the fund’s domestic trading day. This in turn could lead to differences between the market price of a fund’s shares and the underlying value of those shares.
Nomura Diversified Income ETF | 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.
Nomura Diversified Income ETF | US Government Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
US government securities risk — The risk that certain US government securities, such as securities issued by Fannie Mae, Freddie Mac and the Federal Home Loan Bank system (FHLB), are not backed by the “faith and credit” of the US government and, instead, may be supported only by the credit of the issuer or by the right of the issuer to borrow from the US Treasury.
Nomura Diversified Income ETF | 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).
Nomura Diversified Income ETF | Leveraging Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Leveraging risk — The risk that certain 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.
Nomura Diversified Income ETF | 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.
Nomura Diversified Income ETF | Valuation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Valuation risk — The risk that a less liquid secondary market may make it more difficult for a  fund  to obtain precise valuations of certain securities in its portfolio.
Nomura Diversified Income ETF | Portfolio Turnover Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Portfolio turnover risk — High portfolio turnover rates may increase a fund’s transaction costs and lower returns.
Nomura Diversified Income ETF | 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.
Nomura Diversified Income ETF | 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.
Nomura Diversified Income ETF | ETF risk  
Prospectus [Line Items]  
Risk [Text Block]
ETF risk — The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks: “Authorized participants, market makers and liquidity providers concentration risk,” “Cash transactions risk,” “Secondary market trading risk” and “Shares may trade at prices other than NAV risk.”
●
Authorized participants, market makers and liquidity providers concentration risk — Only authorized participants (“APs”) may engage in creation or redemption transactions directly with a fund. A fund has a limited number of financial institutions that are institutional investors and may act as APs. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace, and they have no obligation to submit creation or redemption orders. To the extent either of the following events occur, a fund’s shares may trade at a material discount to net asset value (“NAV”) and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions. These events, among others, may lead to a fund’s shares trading at a premium or discount to  NAV. A diminished market for an ETF’s shares substantially increases the risk that a shareholder may pay considerably more or receive significantly less than the underlying value of the ETF shares bought or sold.
●
Cash transactions risk — A fund may effect some or all of its creations and  redemptions for cash, rather than in-kind securities. As a result, a fund may have to sell portfolio securities at inopportune times in order to obtain the cash needed to meet redemption orders. This may cause a fund to sell a security and recognize a capital gain or loss that might not have been incurred if it had made a redemption in-kind. The use of cash creations and redemptions may also cause a fund’s shares to trade in the market at wider bid-ask spreads or greater premiums or discounts to the fund’s NAV.
●
Secondary market trading risk — Although a fund’s shares are listed on a national securities exchange, NYSE Arca, Inc.  (Exchange), and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In addition, trading in a fund’s shares on the Exchange may be halted. An exchange or market may also issue trading halts on specific securities or financial instruments. As a result, the ability to trade certain securities or financial instruments may be restricted, which may disrupt a fund’s creation/redemption process or affect the price at which shares trade in the secondary market.
●
Shares may trade at prices other than  NAV risk — As with all ETFs, shares of a fund may be bought and sold in the secondary market at market prices. A fund’s NAV is calculated at the end of each business day and fluctuates with changes in the market value of the fund’s holdings, while the trading price of the shares fluctuates continuously throughout trading hours on the Exchange, based on both the relative market supply of, and demand for, the shares and the underlying value of the fund’s holdings. As a result, although it is expected that the market price of  a fund’s shares will approximate the fund’s NAV, there may be times when the market price of a fund’s shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount). This risk is heightened in times of market volatility or periods of steep market declines.
Nomura Limited-Term Diversified Income ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] Investing in any exchange-traded 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.
Nomura Limited-Term Diversified Income ETF | 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.
Nomura Limited-Term Diversified Income ETF | 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.
Nomura Limited-Term Diversified Income ETF | 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.
Nomura Limited-Term Diversified Income ETF | Interest rate risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Interest rate risk — The risk that the prices of bonds and other fixed income securities will increase as interest rates fall and decrease as interest rates rise. Interest rate changes are influenced by a number of factors, such as government policy, monetary policy, inflation expectations, and the supply and demand of bonds. Bonds and other fixed income securities with longer maturities or duration generally are more sensitive to interest rate changes. 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.
Nomura Limited-Term Diversified Income ETF | Mortgage-Backed and Asset-Backed Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Mortgage-backed and asset-backed securities risk — Mortgage-backed and asset-backed securities, like other fixed income securities, are subject to credit risk and interest rate risk, and may also be subject to prepayment risk and extension risk. Prepayment risk is the risk that the principal on mortgage-backed or asset-backed securities may be prepaid at any time, which will reduce the yield and market value of the securities and may cause the fund to reinvest the proceeds in lower yielding securities. Extension risk is the risk that principal on mortgage-backed or asset-backed securities will be repaid more slowly than expected, which may reduce the proceeds available for reinvestment in higher yielding securities. In addition, mortgage-backed and asset-backed securities may decline in value, become more volatile, face difficulties in valuation, or experience reduced liquidity due to changes in interest rates or general economic conditions. Certain mortgage-backed or asset-backed securities, such as  collateralized mortgage obligations, real estate mortgage investment conduits, and stripped mortgage-backed securities, may be more susceptible to these risks than other mortgage-backed, asset-backed, or fixed-income securities.
Nomura Limited-Term Diversified Income ETF | 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.
Nomura Limited-Term Diversified Income ETF | 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).
Nomura Limited-Term Diversified Income ETF | Leveraging Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Leveraging risk — The risk that certain 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.
Nomura Limited-Term Diversified Income ETF | 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.
Nomura Limited-Term Diversified Income ETF | Valuation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Valuation risk — The risk that a less liquid secondary market may make it more difficult for a  fund  to obtain precise valuations of certain securities in its portfolio.
Nomura Limited-Term Diversified Income ETF | 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.
Nomura Limited-Term Diversified Income ETF | 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.
Nomura Limited-Term Diversified Income ETF | ETF risk  
Prospectus [Line Items]  
Risk [Text Block]
ETF risk — The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks: “Authorized participants, market makers and liquidity providers concentration risk,” “Cash transactions risk,” “Secondary market trading risk” and “Shares may trade at prices other than NAV risk.”
●
Authorized participants, market makers and liquidity providers concentration risk — Only authorized participants (“APs”) may engage in creation or redemption transactions directly with a fund. A fund has a limited number of financial institutions that are institutional investors and may act as APs. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace, and they have no obligation to submit creation or redemption orders. To the extent either of the following events occur, a fund’s shares may trade at a material discount to net asset value (“NAV”) and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions. These events, among others, may lead to a fund’s shares trading at a premium or discount to  NAV. A diminished market for an ETF’s shares substantially increases the risk that a shareholder may pay considerably more or receive significantly less than the underlying value of the ETF shares bought or sold.
●
Cash transactions risk — A fund may effect some or all of its creations and  redemptions for cash, rather than in-kind securities. As a result, a fund may have to sell portfolio securities at inopportune times in order to obtain the cash needed to meet redemption orders. This may cause a fund to sell a security and recognize a capital gain or loss that might not have been incurred if it had made a redemption in-kind. The use of cash creations and redemptions may also cause a fund’s shares to trade in the market at wider bid-ask spreads or greater premiums or discounts to the fund’s NAV.
●
Secondary market trading risk — Although a fund’s shares are listed on a national securities exchange, NYSE Arca, Inc.  (Exchange), and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In addition, trading in a fund’s shares on the Exchange may be halted. An exchange or market may also issue trading halts on specific securities or financial instruments. As a result, the ability to trade certain securities or financial instruments may be restricted, which may disrupt a fund’s creation/redemption process or affect the price at which shares trade in the secondary market.
●
Shares may trade at prices other than  NAV risk — As with all ETFs, shares of a fund may be bought and sold in the secondary market at market prices. A fund’s NAV is calculated at the end of each business day and fluctuates with changes in the market value of the fund’s holdings, while the trading price of the shares fluctuates continuously throughout trading hours on the Exchange, based on both the relative market supply of, and demand for, the shares and the underlying value of the fund’s holdings. As a result, although it is expected that the market price of  a fund’s shares will approximate the fund’s NAV, there may be times when the market price of a fund’s shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount). This risk is heightened in times of market volatility or periods of steep market declines.
Nomura Limited-Term Diversified Income ETF | Foreign Risk  
Prospectus [Line Items]  
Risk [Text Block]
Foreign 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. Where all or a portion of a fund’s underlying securities trade in a market that is closed when the market in which the fund’s shares are listed and trading is open, there may be differences between the last quote from the security’s closed foreign market and the value of the security during the fund’s domestic trading day. This in turn could lead to differences between the market price of a fund’s shares and the underlying value of those shares.
Nomura Limited-Term Diversified Income ETF | Portfolio turnover risk_[Member]  
Prospectus [Line Items]  
Risk [Text Block]
Portfolio turnover risk — High portfolio turnover rates may increase a fund’s transaction costs and lower returns.
Nomura Tax-Free California ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] Investing in any exchange-traded 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.
Nomura Tax-Free California ETF | 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.
Nomura Tax-Free California ETF | 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.
Nomura Tax-Free California ETF | 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. High yield bonds are sometimes issued by municipalities that have less financial strength and therefore have less ability to make projected debt payments on the bonds.
Nomura Tax-Free California ETF | Interest rate risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Interest rate risk — The risk that the prices of bonds and other fixed income securities will increase as interest rates fall and decrease as interest rates rise. Interest rate changes are influenced by a number of factors, such as government policy, monetary policy, inflation expectations, and the supply and demand of bonds. Bonds and other fixed income securities with longer maturities or duration generally are more sensitive to interest rate changes. 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.
Nomura Tax-Free California ETF | 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.
Nomura Tax-Free California ETF | 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. For example, a tax-exempt security may be reclassified by the Internal Revenue Service or a state tax authority as taxable, and/or future legislative, administrative, or court actions could cause interest from a tax-exempt security to become taxable, possibly retroactively.
Nomura Tax-Free California ETF | 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.
Nomura Tax-Free California ETF | ETF risk  
Prospectus [Line Items]  
Risk [Text Block]
ETF risk — The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks: “Authorized participants, market makers and liquidity providers concentration risk,” “Cash transactions risk,” “Secondary market trading risk” and “Shares may trade at prices other than NAV risk.”
●
Authorized participants, market makers and liquidity providers concentration risk — Only authorized participants (“APs”) may engage in creation or redemption transactions directly with a fund. A fund has a limited number of financial institutions that are institutional investors and may act as APs. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace, and they have no obligation to submit creation or redemption orders. To the extent either of the following events occur, a fund’s shares may trade at a material discount to net asset value (“NAV”) and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions. These events, among others, may lead to a fund’s shares trading at a premium or discount to  NAV. A diminished market for an ETF’s shares substantially increases the risk that a shareholder may pay considerably more or receive significantly less than the underlying value of the ETF shares bought or sold.
●
Cash transactions risk — A fund may effect some or all of its creations and  redemptions for cash, rather than in-kind securities. As a result, a fund may have to sell portfolio securities at inopportune times in order to obtain the cash needed to meet redemption orders. This may cause a fund to sell a security and recognize a capital gain or loss that might not have been incurred if it had made a redemption in-kind. The use of cash creations and redemptions may also cause a fund’s shares to trade in the market at wider bid-ask spreads or greater premiums or discounts to the fund’s NAV.
●
Secondary market trading risk — Although a fund’s shares are listed on a national securities exchange, NYSE Arca, Inc.  (Exchange), and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In addition, trading in a fund’s shares on the Exchange may be halted. An exchange or market may also issue trading halts on specific securities or financial instruments. As a result, the ability to trade certain securities or financial instruments may be restricted, which may disrupt a fund’s creation/redemption process or affect the price at which shares trade in the secondary market.
●
Shares may trade at prices other than  NAV risk — As with all ETFs, shares of a fund may be bought and sold in the secondary market at market prices. A fund’s NAV is calculated at the end of each business day and fluctuates with changes in the market value of the fund’s holdings, while the trading price of the shares fluctuates continuously throughout trading hours on the Exchange, based on both the relative market supply of, and demand for, the shares and the underlying value of the fund’s holdings. As a result, although it is expected that the market price of  a fund’s shares will approximate the fund’s NAV, there may be times when the market price of a fund’s shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount). This risk is heightened in times of market volatility or periods of steep market declines.
Nomura Tax-Free California ETF | Call Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Call risk — The risk that a bond issuer will prepay the bond during periods of low interest rates, forcing a fund to reinvest that money at interest rates that might be lower than rates on the called bond.
Nomura Tax-Free California ETF | Geographic concentration risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Geographic concentration risk —  The risk that heightened sensitivity to regional, state, US territories or possessions (such as the Commonwealth of Puerto Rico, Guam, or the US Virgin Islands), and local political and economic conditions could adversely affect the holdings in and performance of a fund. There is also the risk that there could be an inadequate supply of municipal bonds in a particular state or US territory or possession.
Nomura Tax-Free California ETF | Alternative minimum tax risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Alternative minimum tax risk — If a fund invests in bonds whose income is subject to the alternative minimum tax, that portion of the fund’s distributions would be taxable for shareholders who are subject to this tax.
Nomura Tax-Free California ETF | 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 (such as financial services or manufacturing) will decline because of changing expectations for the performance of that industry or sector.