N-2 |
Jan. 09, 2026
USD ($)
shares
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| Cover [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Central Index Key | 0002029852 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Amendment Flag | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Securities Act File Number | 333-280949 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Act File Number | 811-23987 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Document Type | N-2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Document Registration Statement | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pre-Effective Amendment | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Post-Effective Amendment | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Post-Effective Amendment Number | 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Act Registration | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Registration Amendment | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Registration Amendment Number | 3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Registrant Name | Lord Abbett Municipal Opportunities Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, Address Line One | 30 Hudson Street | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, City or Town | Jersey City | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, State or Province | NJ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, Postal Zip Code | 07302-4804 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| City Area Code | 888 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Local Phone Number | 522-2388 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Approximate Date of Commencement of Proposed Sale to Public | As soon as practicable after the effective date of this Registration Statement. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividend or Interest Reinvestment Plan Only | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Delayed or Continuous Offering | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Shelf [Flag] | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effective Upon Filing, 462(e) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Securities Effective, 413(b) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effective when Declared, Section 8(c) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effective upon Filing, 486(b) | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effective on Set Date, 486(b) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effective after 60 Days, 486(a) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effective on Set Date, 486(a) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| New Effective Date for Previous Filing | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Securities. 462(b) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| No Substantive Changes, 462(c) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Exhibits Only, 462(d) | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Registered Closed-End Fund [Flag] | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business Development Company [Flag] | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interval Fund [Flag] | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Shelf Qualified [Flag] | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Well-known Seasoned Issuer | No | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Emerging Growth Company | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| New CEF or BDC Registrant [Flag] | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Transaction Expenses [Table Text Block] |
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| Other Transaction Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual Expenses [Table Text Block] |
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| Management Fees [Percent] | 0.60% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net Expense over Assets [Percent] | 11.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example [Table Text Block] | Example The following example is intended to help you understand the various costs and expenses that you, as a holder of Shares, would bear directly or indirectly. The example illustrates the expenses that you would pay on a $1,000 investment in the Shares, assuming a 5% annual return:
The example above should not be considered a representation of future expenses. Actual expenses may be higher or lower than those shown. The example assumes that the Other Expenses set forth in the Annual Fund Operating Expenses table above are accurate, that the Total Annual Fund Operating Expenses (as described above) remain the same each year, and that all dividends and distributions are reinvested at NAV. The example also assumes that the Fund’s operating expenses are equal to the total annual fund operating expenses after fee waivers and/or expense reimbursements shown in the fee table for year one and total annual fund operating expenses thereafter. The example for Class A Shares reflects the imposition of a 2.5% maximum initial sales charge (load). Actual expenses may be greater or less than those assumed. Moreover, the Fund’s actual rate of return may be greater or less than the hypothetical 5% annual return shown in the example. |
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| Purpose of Fee Table , Note [Text Block] | This table is intended to assist investors in understanding the various costs and expenses directly or indirectly associated with investing in the Fund. You may qualify for sales charge discounts if you and certain members of your family invest, or agree to invest in the future, at least $100,000 in the Fund. More information about these and other discounts is available from your financial professional and in “Sales Charge–Class A Shares” on page 43 of the prospectus. |
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| Other Transaction Fees, Note [Text Block] | While neither the Fund nor Lord Abbett Distributor impose an initial sales charge on Class I or Class U Shares, if you buy Class I or Class U Shares through certain financial firms, they may directly charge you transaction or other fees in such amount as they may determine. Please consult your financial firm for additional information. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Expenses, Note [Text Block] | Other Expenses are estimated amounts for the current fiscal year, based on actual expenses from the fiscal period ended September 30, 2025. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Management Fee not based on Net Assets, Note [Text Block] | The contractual management fee rate is 0.60% of the average daily value of the Fund’s total managed assets. The management fee percentage in the table is calculated based on an 11% leverage ratio on net assets. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Objectives and Practices [Text Block] | THE FUND’S INVESTMENT OBJECTIVES, STRATEGIES, AND PRINCIPAL RISKS Investment Objectives The Fund’s primary investment objective is to seek a high level of income exempt from federal income tax. Capital appreciation is a secondary investment objective. Investment Strategies To pursue its investment objectives, the Fund invests, under normal conditions, at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in municipal securities that generate income that is exempt from federal income tax. The municipal securities in which the Fund may invest may pay interest that is subject to the federal alternative minimum tax (“AMT”) for certain taxpayers. Although the Fund may invest in municipal bonds in any rating category, under normal conditions, the Fund invests at least 75% of its net assets in municipal bonds rated BBB+/Baa1 or lower (at the time of purchase), or an equivalent short-term rating, as applicable, by an independent rating agency or that are unrated but deemed by Lord, Abbett & Co. LLC (“Lord Abbett”) to be of comparable quality, with approximately 50% of the Fund’s net assets expected to be invested in lower rated municipal bonds (commonly referred to as “below investment grade,” “high yield,” or “junk” bonds), which are bonds that are rated BB+/Ba1 or lower (at the time of purchase), or an equivalent short-term rating, as applicable, by an independent rating agency or are unrated but deemed by Lord Abbett to be of comparable quality. The Fund also may invest in defaulted securities (i.e., bonds on which the issuer has not paid principal or interest on time) and securities of issuers that are or may become involved in reorganizations, financial restructurings, or bankruptcy (commonly referred to as “distressed debt”). The Fund presently does not intend to invest more than 20% of its net assets (measured at the time of investment) in such defaulted or distressed securities. However, the Fund’s defaulted or distressed debt holdings may exceed this level from time to time if the Fund purchased securities that were not considered in default or distressed at their time of purchase and such securities subsequently become defaulted or distressed. These investment strategies are higher risk relative to strategies employed by funds that invest primarily in investment grade municipal bonds. The Fund may invest in all types of municipal bonds, including general obligation bonds, revenue bonds, municipal leases, and variable rate demand notes. Municipal bonds are debt securities issued by or on behalf of U.S. states, territories (such as Puerto Rico, the U.S. Virgin Islands, and Guam), and possessions (including the District of Columbia) and their political subdivisions, agencies, and instrumentalities that provide income that generally is exempt from regular federal or, as applicable, state and/or local personal income taxes. Municipal bonds generally are divided into two types: (1) general obligation bonds, which are secured by the full faith and credit of the issuer and its taxing authority; and (2) revenue bonds, which are payable only from revenue derived from a particular facility or source, including bridges, tolls, or sewer services. Industrial development bonds and private activity bonds are considered revenue bonds. The interest income from certain private activity bonds is not tax-exempt. Municipal leases are obligations issued by state or local governments and authorities that are used to acquire land or various types of equipment or facilities. Municipal leases are generally in the form of a lease, installment purchase, or conditional sales contract and typically provide for the title to the leased asset to pass to the governmental issuer. Variable rate demand notes are floating rate securities that typically carry an interest rate that resets every one to seven days. Variable rate demand notes combine an interest in a long-term municipal bond with the right to put the security back to a financial intermediary before maturity with as little as one to seven days’ notice (at the time the interest rate is reset). The Fund may invest in both insured and uninsured municipal bonds. Insured municipal bonds are covered by insurance policies that guarantee timely payment of principal and interest. The insurance policies do not guarantee the value of the bonds themselves or the value of a Fund’s shares. The Fund also may invest in zero coupon, deferred interest, pay-in-kind, and capital appreciation bonds. The Fund may invest up to 100% of its net assets in private activity bonds (commonly referred to as “AMT paper”), which are a type of municipal bond that pays interest that is subject to AMT. Although the Fund is permitted to invest up to 20% of its net assets in fixed income securities that pay interest that is subject to regular federal income tax, the Fund presently has no intention of investing in this manner. There is a risk that a bond issued as tax-exempt may be reclassified by the Internal Revenue Service (“IRS”) as taxable. The Fund will not invest more than 25% of its total assets in any industry; however, this limitation does not apply to tax-exempt securities and securities issued by the U.S. Government or its agencies or instrumentalities. Certain types of municipal securities (including general obligation, general appropriation, municipal leases, special assessment, and special tax bonds) are not considered a part of any “industry” for purposes of this industry concentration policy. Therefore, the Fund may invest more than 25% of its total assets in these types of municipal securities. The Fund may invest without limitation in securities of issuers located in a single state, territory, municipality, or region. The Fund expects to invest 10-25% of its net assets in inverse floaters (although it may invest substantially more in such investments from time to time), which are a type of derivative investment that provides leveraged exposure to underlying municipal bonds whose interest payments vary inversely with changes in short-term tax-exempt interest rates. The inverse floaters in which the Fund may invest will be issued by tender option bond trusts whose assets consist entirely of municipal bonds. In pursuit of its principal investment strategy, the Fund also may invest in other types of derivatives, such as futures, for non-hedging, hedging, or duration management purposes. The Fund may also invest in other securities, including commercial paper, securities eligible for resale under Rule 144A of the Securities Act of 1933, as amended (the “1933 Act”), and other privately placed securities, and other debt securities subject to federal income tax. The rate of interest on an income-producing security may be fixed, floating or variable. The Fund may purchase and sell securities on a when-issued, delayed delivery or forward commitment basis and may engage in short sales. The Fund may also invest up to 10% of its total assets in securities of other investment companies (including those advised by Lord Abbett), including closed-end funds, exchange-traded funds and other open-end funds, that invest primarily in municipal bonds and other municipal securities of the types in which the Fund may invest directly. The Fund may invest in individual securities of any maturity or duration. Although the Fund does not target securities of a particular maturity or duration, the Fund expects to maintain a dollar-weighted average maturity of between ten and twenty-five years, although it may invest outside of this range. The maturity of a security measures the time until final payment is due, whereas duration takes into account the pattern of all payments of interest and principal on a security over time, including how these payments are affected by changes in interest rates. Duration is a mathematical concept that measures a portfolio’s sensitivity to interest rate changes. The Fund’s portfolio management team focuses on the following elements in managing its portfolio: credit risk analysis, which is an evaluation of the issuer’s ability to pay principal and interest when due; tax-exempt income yield, which is the bond issuer’s ability to pay interest exempt from federal, state, and/or local personal income tax; total return potential, which is the return possibility for an investment over a period of time, including appreciation and interest; interest rate risk, which is the potential price volatility of the portfolio to movements in interest rates; and call protection, which is assurance by an issuer that it will not redeem a bond earlier than a date agreed upon in advance. The Fund’s portfolio management team targets relative value opportunities in an actively managed portfolio of bonds with a majority of the holdings rated below investment grade or unrated. The Fund’s portfolio management team uses a process of market analysis, credit and sector analysis, and security analysis. The Fund may sell a security for a variety of reasons, including when the Fund believes the security is less likely to benefit from the current market and economic environment, shows signs of deteriorating fundamentals, no longer meets the Fund’s investment criteria, to increase cash, or to satisfy redemption requests. In considering whether to sell a security, the Fund may evaluate factors including, but not limited to, the condition of the economy, changes in the issuer’s competitive position or financial condition, changes in the outlook for the issuer’s industry, other buying opportunities in the market, the impact of the security’s duration on the Fund’s overall duration, and the Fund’s valuation target for the security. The Fund seeks to remain fully invested in accordance with its investment objectives. However, in an attempt to respond to adverse market, economic, political or other conditions, the Fund may take a temporary defensive position by holding some or all of its assets in short-term investments. These investments include cash, commercial paper, money market instruments, and U.S. Government securities. Taking a temporary defensive position could reduce tax-exempt income and prevent the Fund from achieving its investment objectives. |
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| Risk Factors [Table Text Block] | Principal Risks of the Fund The NAV of the Shares will fluctuate with and be affected by, among other things, various principal investment risks of the Fund and its investments, which are summarized below. New Fund Risk: The Fund was recently organized. There can be no assurance that the Fund will reach or maintain a sufficient asset size to effectively implement its investment strategy. In addition, the Fund’s gross expense ratio may fluctuate during its initial operating period because of the Fund’s relatively smaller asset size and, until the Fund achieves sufficient scale, a Fund shareholder may experience proportionally higher Fund expenses than would be experienced by shareholders of a fund with a larger asset base. Portfolio Management Risk: The strategies used and investments selected by the Fund’s portfolio management team may fail to produce the intended result and the Fund may not achieve its objectives. The securities selected for the Fund may not perform as well as other securities that were not selected for the Fund. As a result, the Fund may suffer losses or underperform other funds with the same investment objectives or strategies, and may generate losses even in a favorable market. Market Risk: The market values of securities will fluctuate, sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention, market disruptions caused by trade disputes or other factors, political developments, and other factors (such as natural disasters, epidemics and pandemics, terrorism, conflicts and social unrest, or rapid technological developments such as artificial intelligence). Changes in the financial condition of a single issuer can impact a market as a whole. In addition, data imprecision, technology malfunctions, operational errors, and similar factors may adversely affect a single issuer, a group of issuers, an industry, or the market as a whole. A slower-growth or recessionary economic environment could have an adverse effect on the prices of the various securities held by the Fund. Economies and financial markets throughout the world are becoming increasingly interconnected, which raises the likelihood that events or conditions in one country or region will adversely affect markets or issuers in other countries or regions. An investment may lose money. Fixed Income Securities Risk: The Fund is subject to the general risks and considerations associated with investing in debt securities, including the risk that issuers will fail to make timely payments of principal or interest or default altogether. Typically, shorter-term bonds are less volatile than longer-term bonds; however, longer-term bonds typically offer higher yields and more stable interest income than shorter-term bond investments. Lower-rated securities in which the Fund may invest may be more volatile and may decline more in price in response to negative issuer developments or general economic news due to their increased credit risk relative to other fixed-income investments. In addition, as interest rates rise, the Fund’s investments typically will lose value. Fiscal, economic, monetary or other governmental policies or measures have in the past and may in the future cause or exacerbate risks associated with interest rates. Repurchase Offers Risk: As described in the section entitled “Periodic Repurchase Offers” beginning on page 49 of this prospectus, the Fund is an “interval fund” and, in order to provide liquidity to shareholders, the Fund, subject to applicable law, conducts quarterly repurchase offers of the Fund’s outstanding Shares at NAV, subject to approval of the Board. In all cases such repurchases will be for at least 5% and not more than 25% of its outstanding Shares at NAV, pursuant to Rule 23c-3 under the 1940 Act. It is currently expected that each quarter, the Adviser will recommend that the Board approve an offer to repurchase 7.5% of the Fund’s outstanding Shares under ordinary circumstances. The Fund believes that these repurchase offers are generally beneficial to the Fund’s shareholders and repurchases generally will be funded from available cash or sales of portfolio securities. Repurchase offers and the need to fund repurchase obligations may affect the ability of the Fund to be fully invested or force the Fund to maintain a higher percentage of its assets in liquid investments, which may harm the Fund’s investment performance. Moreover, diminution in the size of the Fund through repurchases may result in untimely sales of portfolio securities (with associated imputed transaction costs, which may be significant), and, unless offset by sufficient sales of Fund Shares, may limit the ability of the Fund to participate in new investment opportunities or to achieve its investment objectives. The Fund may accumulate cash by holding back (i.e., not reinvesting) payments received in connection with the Fund’s investments. The Fund believes that payments received in connection with the Fund’s investments will generate sufficient cash to meet the maximum potential amount of the Fund’s repurchase obligations. If at any time cash and other liquid assets held by the Fund are not sufficient to meet the Fund’s repurchase obligations, the Fund intends, if necessary, to sell investments. If the Fund employs investment leverage, repurchases of Shares would compound the adverse effects of leverage in a declining market. In addition, if the Fund borrows to finance repurchases, interest on that borrowing will negatively affect shareholders who do not tender their Shares by increasing the Fund’s expenses and reducing any net investment income. The repurchase of Shares by the Fund decreases the assets of the Fund and, therefore, may have the effect of increasing the Fund’s expense ratio. In addition, the repurchase of Shares by the Fund may increase the Fund’s portfolio turnover rate, which may result in increased transaction costs and reduced returns to shareholders. If a repurchase offer is oversubscribed, the Board may determine to increase the amount repurchased by up to 2% of the Fund’s outstanding Shares as of the date of the Repurchase Request Deadline. In the event that the Board determines not to repurchase more than the repurchase offer amount, or if shareholders tender more than the repurchase offer amount plus 2% of the Fund’s outstanding Shares as of the date of the Repurchase Request Deadline, the Fund will repurchase the Shares tendered on a pro rata basis, and shareholders will have to wait until the next repurchase offer to make another repurchase request. As a result, shareholders may be unable to liquidate all or a given percentage of their investment in the Fund during a particular repurchase offer. Some shareholders, in anticipation of proration, may tender more Shares than they wish to have repurchased in a particular quarter to ensure the repurchase of a specific number of Shares, thereby increasing the likelihood that proration will occur. A shareholder may be subject to market and other risks, and the NAV of Shares tendered in a repurchase offer may decline between the Repurchase Request Deadline and the date on which the NAV for tendered Shares is determined. The NAV on the Repurchase Request Deadline or the Repurchase Pricing Date may be higher or lower than on the date a shareholder submits a repurchase request. To the extent that the Fund invests a portion of its portfolio in foreign markets, there is the risk of a possible decrease in Share value as a result of currency fluctuations between the date of tender and the Repurchase Pricing Date. In addition, the repurchase of Shares by the Fund may be a taxable event to shareholders, potentially including even shareholders who do not tender any Shares in such repurchase. Furthermore, the Fund’s use of cash to repurchase Shares could adversely affect its ability to satisfy the distribution requirements for treatment as a regulated investment company. The Fund could also recognize income or gain in connection with its sale or other disposal of portfolio securities to fund Share repurchases. Any such income would be taken into account in determining whether such distribution requirements are satisfied and would need to be distributed to shareholders (in taxable distributions) in order to eliminate a Fund-level tax. See “Tax Matters” below. Municipal Securities Risk: Municipal securities are subject to the same risks affecting fixed income securities in general. In addition, the prices of municipal securities may be adversely affected by legislative or political changes, tax rulings, judicial action, changes in market and economic conditions, and the fiscal condition of the municipal issuer, including an insolvent municipality filing for bankruptcy. The Fund may be more sensitive to these events and conditions if it invests a substantial portion of its assets in the municipal securities of similar projects (such as those relating to education, health care, housing, transportation, and utilities), in particular types of municipal securities (such as general obligation bonds, private activity bonds, and special tax bonds) or in the securities of issuers located within a single state, municipality, territory (such as Puerto Rico), or geographic area. The market for municipal securities generally is less liquid than other securities markets, which may make it more difficult for the Fund to sell its municipal securities. The differences between the price at which an obligation can be purchased and the price at which it can be sold may widen during periods of market distress. Less liquid obligations can become more difficult to value and be subject to erratic price movements. Specific risks are associated with different types of municipal securities. For example, with respect to general obligation bonds, the full faith, credit, and taxing power of the municipality that issues a general obligation bond supports payment of interest and repayment of principal. Timely payments depend on the issuer’s credit quality, ability to raise tax revenues, and ability to maintain an adequate tax base. Certain of the municipalities in which the Fund invests may experience significant financial difficulties, which may lead to bankruptcy or default. With respect to revenue bonds, payments of interest and principal are made only from the revenues generated by a particular facility or class of facilities, the proceeds of a special tax, or other revenue source, and depend on the money earned by that source. Nongovernmental users of facilities financed by tax-exempt revenue bonds (e.g., companies in the electric utility and health care industries) may have difficulty making payments on their obligations in the event of an economic downturn. This would negatively affect the valuation of municipal securities issued by such facilities. In addition, each industry is subject to its own risks: the electric utility industry is subject to rate regulation vagaries, while the health care industry faces two main challenges – affordability and access. Private activity bonds are issued by municipalities and other public authorities to finance development of industrial facilities for use by a private enterprise. The private enterprise pays the principal and interest on the bond, and the issuer does not pledge its full faith, credit, and taxing power for repayment. If the private enterprise defaults on its payments, the Fund may not receive any income or get its money back from the investment. In a municipal lease obligation, the issuer agrees to make payments when due on the lease obligation. The issuer generally will appropriate municipal funds for that purpose, but is not obligated to do so. Although the issuer does not pledge its unlimited taxing power for payment of the lease obligation, the lease obligation is secured by the leased property. However, if the issuer does not fulfill its payment obligation, it may be difficult to sell the property and the proceeds of a sale may not cover the Fund’s loss. Variable rate demand obligations are floating rate securities that combine an interest in a long-term municipal bond with a right to demand payment before maturity from a bank or other financial institution. If the bank or financial institution is unable to pay, the Fund may lose money. Special tax bonds are usually backed and payable through a single tax, or series of special taxes such as incremental property taxes. The failure of the tax levy to generate adequate revenue to pay the debt service on the bonds may cause the value of the bonds to decline. Below Investment Grade Municipal Bond Risk: Below investment grade municipal bonds typically pay a higher yield than investment grade municipal bonds, but have greater price fluctuations and a higher risk of default than investment grade municipal bonds. The market for below investment grade municipal bonds may be less liquid due to such factors as specific municipal developments, interest rate sensitivity, negative perceptions of the junk bond markets generally, and less secondary market liquidity. This may make such bonds more difficult to sell at an acceptable price, especially during periods of financial distress, increased market volatility, or significant market decline. Call Risk: A substantial portion of bonds are “callable,” meaning they give the issuer the right to call or redeem the bonds before maturity. Issuers may call outstanding bonds when there is a decline in interest rates, when credit spreads change, or when the issuer’s credit quality improves. As interest rates decline, these bond issuers may pay off their loans early by buying back the bonds, thus depriving the Fund of above market interest rates. Moreover, the Fund may not recoup the full amount of its initial investment and may have to reinvest the prepayment proceeds in lower-yielding securities, securities with greater credit risks, or other less attractive securities. Credit Risk: Municipal bonds are subject to the risk that the issuer or guarantor of a security may not make interest and principal payments as they become due. Litigation, legislation or other political events, business or economic conditions, or the bankruptcy of the issuer could have a significant effect on an issuer’s ability to make payments of principal and/or interest. In addition, if the market perceives a deterioration in the creditworthiness of an issuer, the value and liquidity of securities issued by that issuer may decline. Credit risk varies based upon the economic and fiscal conditions of each issuer and the municipalities, agencies, instrumentalities, and other issuers within the state, territory, or possession. As noted above, to the extent the Fund holds below investment grade securities, these risks may be heightened. The credit quality of the Fund’s portfolio securities or instruments may meet the Fund’s credit quality requirements at the time of purchase but then deteriorate thereafter, and such a deterioration can occur rapidly. In certain instances, the downgrading or default of a single holding or guarantor of the Fund’s holding may impair the Fund’s liquidity and have the potential to cause significant NAV deterioration. Insurance or other credit enhancements supporting the Fund’s investment may be provided by either U.S. or foreign entities. These securities have the credit risk of the entity providing the credit support in addition to the credit risk of the underlying investment that is being enhanced. Credit support provided by foreign entities may be less certain because of the possibility of adverse foreign economic, political or legal developments that may affect the ability of the entity to meet its obligations. A change in the credit rating or the market’s perception of the creditworthiness of any of the bond insurers that insure securities in the Fund’s portfolio may affect the value of the securities they insure, the Fund’s share prices, and Fund performance. A downgrading of an insurer’s credit rating or a default by the insurer could reduce the credit rating of an insured bond and, therefore, its value. The Fund also may be adversely affected by the inability of an insurer to meet its insurance obligations. Defaulted Bonds Risk: Defaulted bonds are subject to greater risk of loss of income and principal than securities of issuers whose debt obligations are being met. Defaulted bonds are speculative with respect to the issuer’s ability to make interest payments and/or pay its obligations in full. Because the issuer of such securities is in default and is likely to be in distressed financial condition, the repayment of defaulted bonds is subject to significant uncertainties, and in some cases, there may be no recovery of repayment. Defaulted bonds might be repaid only after lengthy workout or bankruptcy proceedings, during which the issuer might not make any interest or other payments. Workout or bankruptcy proceedings could adversely affect the Fund’s rights in collateral relating to a loan, delay or limit the Fund’s ability to collect the principal and interest payments on that borrower’s loans, and typically result in only partial recovery of cash payments or an exchange of the defaulted bond for other securities of the issuer or its affiliates, which securities may in turn be illiquid, subject to restrictions on resale and/or speculative. Inverse Floaters Risk: The Fund may invest in inverse floating rate securities and the use of such may reduce the Fund’s returns and/or increase the Fund’s volatility. Distributions on inverse floaters are inversely related to short-term municipal bond interest rates. Therefore, distributions paid to the Fund on its inverse floaters will fall when short-term municipal interest rates rise and will rise when short-term municipal interest rates fall. Holders of inverse floaters bear the risk of the fluctuation in value of the issuing trust’s underlying municipal bonds because holders of the floaters have the right to tender their notes back to the trust for payment at par plus accrued interest. This creates effective leverage because the Fund’s net cash investment is significantly less than the value of the underlying bonds. The leverage ratio increases as the value of the inverse floaters becomes a greater proportion of the value of the municipal bonds deposited into the trust. The Fund’s investments in inverse floating rate securities issued by special purpose trusts that have recourse to the Fund may be highly leveraged. The structure and degree to which the Fund’s inverse floating rate securities are highly leveraged will vary based upon a number of factors, including the size of the trust itself and the terms of the underlying municipal security. In the event of a significant decline in the value of an underlying security, the Fund may suffer losses in excess of the amount of its investment (up to an amount equal to the value of the municipal securities underlying the inverse floating rate securities) as a result of liquidating special purpose trusts or other collateral required to maintain the Fund’s anticipated leverage ratio. Derivatives Risk: The risks associated with derivatives may be different from and greater than the risks associated with directly investing in securities and other investments. Derivatives may increase the Fund’s volatility and reduce its returns. The risks associated with derivatives include, among other things, the following: ● The risk that the value of a derivative may not correlate with the value of the underlying asset, rate, or index in the manner anticipated by the portfolio management team and may be more sensitive to changes in economic or market conditions than anticipated. ● Derivatives may be difficult to value, especially under stressed or unforeseen market conditions. ● The risk that the counterparty may fail to fulfill its contractual obligations under the derivative contract. Central clearing of derivatives is intended to decrease counterparty risk but does not eliminate it. ● The risk that there will not be a secondary liquid trading market for the derivative, or that the Fund will otherwise be unable to sell or otherwise close a derivatives position when desired, exposing the Fund to additional losses. ● Because derivatives generally involve a small initial investment relative to the risk assumed (known as leverage), derivatives can magnify the Fund’s losses and increase its volatility. ● The Fund’s use of derivatives may affect the amount, timing, and character of distributions, and may cause the Fund to realize more short-term capital gain and ordinary income than if the Fund did not use derivatives. There is no assurance that the Fund will be able to employ its derivatives strategies successfully. Derivatives may not perform as expected, and the Fund may not realize the intended benefits. Whether the Fund’s use of derivatives is successful will depend on, among other things, the portfolio managers’ ability to correctly forecast market movements, company and industry valuation levels and trends, changes in foreign exchange and interest rates, and other factors. If the portfolio managers incorrectly forecast these and other factors, the Fund’s performance could suffer. Although hedging may reduce or eliminate losses, it also may reduce or eliminate gains. When used for hedging purposes, the changes in value of a derivative may not correlate as expected with the currency, security, portfolio, or other risk being hedged. When used as an alternative or substitute for, or in combination with, direct investments, the return provided by the derivative may not provide the same return as direct investment. In addition, given their complexity, derivatives are subject to the risk that improper or misunderstood documentation may expose the Fund to losses. The U.S. Government has enacted legislation that provides for new regulation of the derivatives market, including clearing, margin, reporting, and registration requirements. The EU, UK and other countries are implementing similar requirements, which will affect the Fund when it enters into a derivatives transaction with a counterparty organized in such a country or otherwise subject to that country’s derivatives regulations. Because these requirements are new and evolving, their ultimate impact on the Fund remains unclear. It is possible that government regulation of various types of derivative instruments could potentially limit or restrict the ability of the Fund to use these instruments as a part of its investment strategy, increase the costs of using these instruments, make them less effective, or otherwise adversely affect their value. Limits or restrictions applicable to the counterparties with which the Fund engages in derivative transactions could also prevent the Fund from using these instruments or affect the pricing or other factors relating to these instruments. See “Credit Default Swaps Risk” and “Repurchase Agreement Risk” below for risks specific to such instruments. Distressed Debt Risk: Investments in distressed bonds are speculative and involve substantial risks in addition to the risks of investing in high-yield debt securities. The anticipated transaction regarding these instruments may be unsuccessful, take considerable time or result in a distribution of cash or a new security or obligation in exchange for the distressed debt obligations, the value of which may be less than the Fund’s purchase price of such debt obligations. The Fund also may incur expenses trying to protect its interests in distressed debt and will be subject to the risk that it may lose a portion or all of its investment in the distressed debt. Additionally, the prices of distressed bonds are likely to be more sensitive to adverse economic changes or individual issuer developments than the prices of higher rated securities. During an economic downturn or substantial period of rising interest rates, distressed debt issuers may experience financial stress that would adversely affect their ability to service their principal and interest payment obligations, to meet their projected business goals, or to obtain additional financing. The Fund may invest in additional securities of a defaulted issuer to retain a controlling stake in any bankruptcy proceeding or workout. Any distressed securities or any securities received in exchange for such securities may be subject to restrictions on resale. In any reorganization or liquidation proceeding, the Fund may lose its entire investment or may be required to accept cash or securities with a value less than its original investment. Moreover, it is unlikely that a liquid market will exist for the Fund to sell its holdings in distressed debt securities and any distressed securities or any securities received in exchange for such securities may be subject to restrictions on resale. If the Fund and other accounts managed by the Adviser and its affiliates invest in different parts of an issuer’s capital structure and the issuer encounters financial problems, decisions over the terms of any restructuring or workout are likely to raise conflicts of interest. The Fund may take actions adverse to other accounts or, to minimize such conflicts, may avoid making certain investments or taking certain actions, which could have the effect of limiting the Fund’s investment opportunities. Similarly, other accounts managed by the Adviser and its affiliates may take actions adverse to the Fund. Extension Risk: Rising interest rates may cause an issuer to pay off or retire a debt security later than expected, extending the duration of a bond, making it more sensitive to changes in interest rates reducing the bond’s value. Extension risk generally is low for short-term bond funds, moderate for intermediate-term bond funds, and high for long-term bond funds. Governmental Risk: Government actions, including U.S. federal government actions and actions by local, state, and regional governments, could have an adverse effect on municipal bond prices. In addition, the Fund’s performance may be affected by local, state, and regional factors depending on the states or territories in which the Fund’s investments are issued. High-Yield Securities Risk: High-yield securities (commonly referred to as “junk” bonds) typically pay a higher yield than investment grade securities, but they have a higher risk of default than investment grade securities, and their prices are much more volatile. The market for high-yield securities may be less liquid due to such factors as specific industry developments, interest rate sensitivity, negative perceptions of the junk bond markets generally, and less secondary market liquidity, and may be subject to greater credit risk than investment grade securities. Below investment grade securities are speculative due to their increased credit risk relative to other fixed-income investments and have poor prospects for reaching investment grade standing. Issuers of below investment grade securities generally are not as strong financially as those issuers with higher credit ratings, and are more likely to encounter financial difficulties, especially during periods of rising interest rates or other unfavorable economic or market conditions. Below investment grade securities are subject to the increased risk of an issuer’s inability to meet principal and interest obligations and a greater risk of default. Some issuers of below investment grade bonds may be more likely to default as to principal or interest payments after the Fund purchases their securities. A default, or concerns in the market about an increase in risk of default or the deterioration in the creditworthiness of an issuer, may result in losses to the Fund. The Fund may incur higher expenses to protect its interests in such securities and may lose its entire investment in defaulted bonds. The secondary market for high-yield securities is concentrated in relatively few market makers and is dominated by institutional investors, including mutual funds, insurance companies, and other financial institutions. As a result, the secondary market for such securities is not as liquid as, and is more volatile than, the secondary market for higher rated securities. In addition, market trading volume for lower rated securities is generally lower and the secondary market for such securities could shrink or disappear suddenly and without warning as a result of adverse market or economic conditions, independent of any specific adverse changes in the condition of a particular issuer. Because of the lack of sufficient market liquidity, the Fund may incur losses if it is required to effect sales at a disadvantageous time and then only at a substantial drop in price. These factors may have an adverse effect on the market price and the Fund’s ability to dispose of particular portfolio investments. A less liquid secondary market also may make it more difficult for the Fund to obtain precise valuations of the below investment grade securities in its portfolio. Interest Rate Risk: As interest rates rise, prices of bonds (including tax-exempt bonds) generally fall, typically causing the Fund’s investments to lose value. Additionally, rising interest rates or lack of market participants may lead to decreased liquidity in fixed income markets. Interest rate changes generally have a more pronounced effect on the market value of fixed-rate instruments, such as corporate bonds, than they have on floating rate instruments, and typically have a greater effect on the price of fixed income securities with longer durations. Interest rate changes can be sudden and unpredictable, and the Fund may lose money as a result of movements in interest rates. A wide variety of market factors can cause interest rates to rise, including central bank monetary policy, rising inflation, and changes in general economic conditions. To the extent the Fund invests in floating rate instruments, changes in short-term market interest rates may affect the yield on those investments. If short-term market interest rates fall, the yield on the Fund’s shares will also fall. Conversely, when short-term market interest rates rise, because of the lag between changes in such short-term rates and the resetting of the floating rates on the floating rate debt in the Fund’s portfolio, the impact of rising rates may be delayed. To the extent the Fund invests in fixed rate instruments, fluctuations in the market price of such investments may not affect interest income derived from those instruments, but may nonetheless affect the Fund’s NAV, especially if the instrument has a longer maturity. Substantial increases in interest rates may cause an increase in issuer defaults, as issuers may lack resources to meet higher debt service requirements. Floating Rate Interest Risk: Changes in short-term market interest rates may affect the yield on the Fund’s investments in floating rate debt. If short-term market interest rates fall, the yield on the Fund’s Shares will also fall. Conversely, when short-term market interest rates rise, because of the lag between changes in such short-term rates and the resetting of the floating rates on the floating rate debt in the Fund’s portfolio, the impact of rising rates may be delayed. Substantial increases in interest rates may cause an increase in issuer defaults, as issuers may lack resources to meet high debt service requirements. Liquidity Risk: Many of the Fund’s investments may be illiquid. Liquidity risk exists when particular investments are difficult to purchase or sell at the time that the Fund would like or at the price that the Fund believes such investments are currently worth. Many of the Fund’s investments may be illiquid. Illiquid securities may become harder to value, especially in changing markets. The Fund’s investments in illiquid securities may reduce the returns of the Fund because it may be unable to sell the illiquid securities at an advantageous time or price or possibly require the Fund to dispose of other investments at unfavorable times or prices in order to satisfy its obligations, which could prevent the Fund from taking advantage of other investment opportunities. Additionally, the market for certain investments may become illiquid under adverse market or economic conditions independent of any specific adverse changes in the conditions of a particular issuer. The realizable value of a highly illiquid investment, at any given time, may be less than its intrinsic value. In addition, certain types of investments held by the Fund may require a substantial length of time to liquidate. Furthermore, to the extent the investment strategy of the Fund relies upon a certain set of market and economic conditions and such conditions do not materialize for an extended period of time, the Fund may not be able to invest a significant portion of the proceeds. There can be no assurance that the Fund will be able to generate returns for its investors or that the returns will be commensurate with the risks of investing in the type of portfolio investments and transactions described herein. Bond markets have consistently grown over the past three decades while the capacity for traditional dealer counterparties to engage in fixed income trading has not kept pace and in some cases has decreased. As a result, dealer inventories of corporate bonds, which provide a core indication of the ability of financial intermediaries to “make markets,” are at or near historic lows in relation to market size. Because market makers seek to provide stability to a market through their intermediary services, the significant reduction in dealer inventories could potentially lead to decreased liquidity and increased volatility in the fixed income markets. Such issues may be exacerbated during periods of economic uncertainty. In such cases, the Fund, due to limitations on investments in illiquid securities and the difficulty in purchasing and selling such securities or instruments, may be unable to achieve its desired level of exposure to a certain sector. To the extent that the Fund’s principal investment strategies involve securities of companies with smaller market capitalizations, foreign (non-U.S.) securities, Rule 144A securities, senior loans, illiquid sectors of fixed income securities, derivatives or securities with substantial market and/or credit risk, the Fund will tend to have the greatest exposure to liquidity risk. Further, fixed income securities with longer durations until maturity face heightened levels of liquidity risk as compared to fixed income securities with shorter durations until maturity. The risks associated with illiquid instruments may be particularly acute in situations in which the Fund’s operations require cash (such as in connection with repurchase offers) and could result in the Fund borrowing to meet its short-term needs or incurring losses on the sale of illiquid instruments. It may also be the case that other market participants may be attempting to liquidate fixed income holdings at the same time as the Fund, causing increased supply in the market and contributing to liquidity risk and downward pricing pressure. State and Territory Risk: From time to time, the Fund may be more exposed to risks affecting a particular state, territory (such as Puerto Rico), municipality, or region. As a result, adverse economic, political, and regulatory conditions affecting a single state, territory, municipality, or region (and their political subdivisions, agencies, instrumentalities, and public authorities) can disproportionately affect the Fund’s performance. For example, to the extent that the Fund invests a significant portion of its assets in the securities issued by the Commonwealth of Puerto Rico or its political subdivisions, agencies, instrumentalities, or public corporations (collectively referred to in this prospectus as “Puerto Rico” or the “Commonwealth”), it will be disproportionally affected by political, social and economic conditions and developments in the Commonwealth. In addition, economic, political or regulatory changes in that territory could adversely affect the value of the Fund’s investment portfolio. Puerto Rico has experienced significant fiscal and economic challenges, including substantial debt service obligations, high levels of unemployment, underfunded public retirement systems, and persistent government budget deficits. These challenges may negatively affect the value of the Fund’s investments in Puerto Rican municipal securities. Several major ratings agencies have downgraded the general obligation debt of Puerto Rico to below investment grade and continue to maintain a negative outlook for this debt, which increases the likelihood that the rating will be lowered further. Puerto Rico previously defaulted on its debt by failing to make full payment due on its outstanding bonds, and there can be no assurance that Puerto Rico will be able to satisfy its future debt obligations. Taxability Risk: There is a risk that a bond issued as tax-exempt may be reclassified by the IRS as taxable (for example, if the bond was issued in a transaction deemed by the IRS to be abusive), creating taxable rather than tax-exempt income. In addition, the Fund may invest up to 100% of its net assets in municipal bonds the interest on which may be subject to AMT and invest up to 20% of its net assets in fixed income securities that pay interest that is subject to regular U.S. federal income tax. The income from private activity bonds is an item of tax preference for purposes of AMT, which may cause the income to be taxable to you. For taxable years beginning after December 31, 2017, and before January 1, 2026, noncorporate shareholders are generally eligible for a higher AMT exemption amount. Individual shareholders should consult their tax advisers regarding their specific tax situation and the impact of such change. Additionally, the Fund’s use of derivatives may increase the amount of distributions taxable to you as ordinary income, increase or decrease the amount of capital gain distributions to you, and/or decrease the amount available for distribution to you as exempt-interest dividends. Tender Option Bond Risk: The Fund may invest in trust certificates issued in tender option bond programs. In these programs, a trust typically issues two classes of certificates and uses the proceeds to purchase municipal securities having relatively long maturities and bearing interest at a fixed interest rate substantially higher than prevailing short-term tax-exempt rates. There is a risk that the Fund will not be considered the owner of a tender option bond for federal income tax purposes, and thus will not be entitled to treat such interest as exempt from federal income tax. Certain tender option bonds may be less liquid or may become less liquid as a result of, among other things, a credit rating downgrade, a payment default or a disqualification from tax-exempt status. The Fund’s investment in the securities issued by a tender option bond trust may involve greater risk and volatility than an investment in a fixed rate bond, and the value of such securities may decrease significantly when market interest rates increase. Tender option bond trusts could be terminated due to market, credit or other events beyond the Fund’s control, which could require the Fund to dispose of portfolio investments at inopportune times and prices. The Fund may use a tender option bond program as a way of achieving leverage in its portfolio, in which case the Fund will be subject to leverage risk. The use of tender option bonds will impact the Fund’s duration and cause the Fund to be subject to increased duration and interest rate risk. Zero Coupon, Deferred Interest, Pay-In-Kind, and Capital Appreciation Bonds Risk: Zero coupon, deferred interest, and capital appreciation bonds are issued at a discount from their face value because interest payments typically are postponed until maturity. These securities also may take the form of debt securities that have been stripped of their unmatured interest coupons, the coupons themselves, or receipts or certificates representing interests in such stripped debt obligations or coupons. Pay-in-kind bonds allow the issuer, at its option, to make current interest payments on the bonds either in cash or in additional bonds. Similar to zero coupon bonds and deferred interest bonds, pay-in-kind securities are designed to give an issuer flexibility in managing cash flow. Pay-in-kind securities that are debt securities can be either senior or subordinated debt. As the buyer of these types of securities, the Fund will recognize a rate of return determined by the gradual appreciation of the security, which is redeemed at face value on a specified maturity date. The discount varies depending on the time remaining until maturity, as well as market interest rates, liquidity of the security, and the issuer’s perceived credit quality. The discount in the absence of financial difficulties of the issuer typically decreases as the final maturity date approaches. Moreover, unlike securities that periodically pay interest to maturity, zero coupon, deferred interest, capital appreciation, and pay-in-kind securities involve the additional risk that the Fund will realize no cash until a specified future payment date unless a portion of such securities is sold and, if the issuer of such securities defaults, the Fund may obtain no return at all on its investment. The values of zero-coupon and pay-in-kind bonds are more volatile in response to interest rate changes than debt obligations of comparable maturities and credit qualities that make regular distributions of interest. Under many market and other conditions, the market for zero-coupon, deferred interest and capital appreciation bonds and pay-in-kind securities may suffer decreased liquidity, making it difficult for the Fund to dispose of them or to determine their current value. Taxable income from these types of securities is accrued by the Fund without receiving regular interest payments in cash. As a result, the Fund may be required to sell portfolio securities in order to pay a dividend depending, among other things, upon the proportion of shareholders who elect to receive dividends in cash rather than reinvesting dividends in additional Shares of the Fund. In particular, pay-in-kind securities will give rise to taxable income which is required to be distributed for the Fund to maintain its qualification for treatment as a regulated investment company under the Code and avoid a Fund level tax even though the Fund holding the security receives no interest payments in cash on the security during the year. This may have a negative impact on the liquidity of the Fund because the Fund may be required to pay out as an income distribution an amount which is greater than the total amount of cash interest the Fund actually received in order to make the requisite distributions. Pay-in-kind securities generally carry higher interest rates compared to bonds that make cash payments of interest to reflect the time-value of money on deferred interest payments and increased credit risk of borrowers who may need to defer interest payments. Pay-in-kind securities generally involve significantly greater credit risk than coupon loans because the Fund receives no cash payments until the maturity date or a specified cash payment date. Even if accounting conditions are met for accruing income payable at a future date under a pay-in-kind bond, the issuer could still default when the collection date occurs at the maturity of or payment date for the pay-in-kind bond. Pay-in-kind bonds may be difficult to value accurately because they involve ongoing judgments as to the collectability of the deferred payments and the value of any associated collateral. If the issuer of a pay-in-kind security defaults the Fund may lose its entire investment. Generally, the deferral of pay-in-kind interest will increase the loan to value ratio, which is a measure of the riskiness of a loan or bond. Counterparty Risk: The Fund will be subject to credit risk with respect to prime brokers or the counterparties to the derivative contracts and other instruments entered into by the Fund or held by special purpose or structured vehicles in which the Fund invests. In the event that the Fund enters into a derivative transaction with a prime broker or counterparty that subsequently becomes insolvent or becomes the subject of an insolvency proceeding, the derivative transaction may be terminated in accordance with its terms and the Fund’s ability to realize its rights under the derivative instrument and its ability to distribute the proceeds could be adversely affected. If a prime broker or counterparty becomes bankrupt or otherwise fails to perform its obligations under a derivative contract due to financial difficulties, the Fund may experience significant delays in obtaining any recovery (including recovery of any collateral it has provided to the counterparty) in a dissolution, assignment for the benefit of creditors, liquidation, winding-up, bankruptcy, or other analogous proceeding. In addition, in the event of the insolvency of a counterparty to a derivative transaction, the derivative transaction would typically be terminated at its fair market value. If the Fund is owed this fair market value in the termination of the derivative transaction and its claim is unsecured, the Fund will be treated as a general creditor of such counterparty, and will not have any claim with respect to any underlying security or asset. The Fund may obtain only a limited recovery or may obtain no recovery in such circumstances. When the Fund enters into a cleared derivative transaction, it is subject to the credit risk of the clearinghouse and the member of the clearinghouse through which it holds its position. Issuer Risk: The value of a security may decline for a number of reasons that directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer’s goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets. A change in the financial condition of a single issuer may affect securities markets as a whole. These risks can apply to the Shares issued by the Fund and to the issuers of securities and other instruments in which the Fund invests. Other Investment Companies Risk: The Fund may invest in securities of other pooled investment vehicles (including those advised or subadvised by the Adviser or its affiliates), including mutual funds, money market funds, closed-end funds, BDCs, ETFs, and underlying funds. With respect to listed closed‑end funds and ETFs, the market value of their shares may differ from the NAV of the particular fund. To the extent the Fund invests a portion of its assets in a pooled investment vehicle, those assets will be subject to the risks of the purchased fund’s portfolio securities. In addition, if the Fund invests in such investment companies or investment funds, the Fund’s shareholders will bear not only their proportionate share of the expenses of the Fund, but also will indirectly bear similar expenses of the underlying investment company. In addition, the securities of these pooled investment vehicles may also be leveraged and will therefore be subject to the same leverage risks described herein. Credit Default Swaps Risk: Credit default swap agreements (including a swap on a credit default index, sometimes referred to as a credit default swap index) may involve greater risks than if the Fund had invested in the reference obligation directly since, in addition to general market risks, credit default swaps are subject to illiquidity risk, counterparty risk and credit risk. A buyer generally also will lose its investment and recover nothing should no credit event occur and the swap is held to its termination date. If a credit event were to occur, the value of any deliverable obligation received by the seller (if any), coupled with the upfront or periodic payments previously received, may be less than the full notional value it pays to the buyer, resulting in a loss of value to the seller. When the Fund acts as a seller of a credit default swap, it is exposed to many of the same risks of leverage described herein since if an event of default occurs, the seller must pay the buyer the full notional value of the reference obligation. Although the Fund may seek to realize gains by selling credit default swaps that increase in value, to realize gains on selling credit default swaps, an active secondary market for such instruments must exist or the Fund must otherwise be able to close out these transactions at advantageous times. In addition to the risk of losses described above, if no such secondary market exists or the Fund is otherwise unable to close out these transactions at advantageous times, selling credit default swaps may not be profitable for the Fund. The Fund will be subject to credit risk with respect to the counterparties to the credit default swap contract (whether a clearing corporation in the case of a cleared credit default swap or another third party in the case of an uncleared credit default swap). If a counterparty’s credit becomes significantly impaired, multiple requests for collateral posting in a short period of time could increase the risk that the Fund may not receive adequate collateral. The Fund may exit its obligations under a credit default swap only by terminating the contract and paying applicable breakage fees, or by entering into an offsetting credit default swap position, which may cause the Fund to incur more losses. The Fund may be unable to exit a credit default swap. The Fund’s return from investment in a credit default swap index may not match the return of the referenced index. Further, investment in a credit default swap index could result in losses if the referenced index does not perform as expected. Unexpected changes in the composition of the index may also affect performance of the credit default swap index. If a referenced index has a dramatic intraday move that causes a material decline in the Fund’s net assets, the terms of the Fund’s credit default swap index may permit the counterparty to immediately close out the transaction. In that event, the Fund may be unable to enter into another credit default swap index or otherwise achieve desired exposure, even if the referenced index reverses all or a portion of its intraday move. Private Placements Risk: A private placement involves the sale of securities that have not been registered under the Securities Act, or relevant provisions of applicable non-U.S. law, to certain institutional and qualified individual purchasers, such as the Fund. In addition to the general risks to which all securities are subject, securities received in a private placement generally are subject to strict restrictions on resale, and there may be no liquid secondary market or ready purchaser for such securities, and a liquid secondary market may never develop. Therefore, the Fund may be unable to dispose of such securities when it desires to do so, or at the most favorable time or price. Private placements may also raise valuation risks. Risk of Regulatory Changes: Legal, tax and regulatory changes could occur and may adversely affect the Fund and its ability to pursue its investment strategies and/or increase the costs of implementing such strategies. New (or revised) laws or regulations may be imposed by the CFTC, the SEC, the IRS, the Fed or other banking regulators, other governmental regulatory authorities or self-regulatory organizations that supervise the financial markets that could adversely affect the Fund. In particular, these agencies have implemented a variety of rules pursuant to financial reform legislation in the United States. The EU, UK (and some other countries) are implementing similar requirements. The Fund also may be adversely affected by changes in the enforcement or interpretation of existing statutes and rules by governmental regulatory authorities, self-regulatory organizations or courts. In addition, the securities and futures markets are subject to comprehensive statutes, regulations and margin requirements. The CFTC, the SEC, the Federal Deposit Insurance Corporation, other regulators and self-regulatory organizations and exchanges are authorized under these statutes, regulations and otherwise to take extraordinary actions in the event of market emergencies. To the extent the Fund and the Adviser are or have historically been eligible for exemptions from certain regulations, there is no assurance that the Fund and the Adviser will continue to be eligible for such exemptions. The CFTC and certain futures exchanges have established (and continue to evaluate and revise) limits, referred to as “position limits,” on the maximum net long or net short positions which any person or entity may hold or control in particular futures and options on futures contracts. In addition, federal position limits apply to swaps that are economically equivalent to futures contracts that are subject to CFTC-set limits. All positions owned or controlled by the same person or entity, even if in different accounts, must be aggregated for purposes of determining whether the applicable position limits have been exceeded, unless an exemption applies. Thus, even if the Fund does not intend to exceed applicable position limits, it is possible that positions of different clients managed by the Adviser and its related parties may be aggregated for this purpose. Therefore it is possible that the trading decisions of the Adviser may have to be modified and that positions held by the Fund may have to be liquidated in order to avoid exceeding such limits. The modification of investment decisions or the elimination of open positions, if it occurs, may adversely affect the performance of the Fund. A violation of position limits could also lead to regulatory action materially adverse to the Fund’s investment strategy. The SEC has in the past adopted interim rules requiring reporting of all short positions above a certain de minimis threshold and may adopt rules requiring monthly public disclosure in the future. In addition, other non-U.S. jurisdictions where the Fund may trade have adopted reporting requirements. If the Fund’s short positions or its strategy become generally known, it could have a significant effect on the Adviser’s ability to implement its investment strategy. In particular, it would make it more likely that other investors could cause a short squeeze in the securities held short by the Fund forcing the Fund to cover its positions at a loss. Such reporting requirements may also limit the Adviser’s ability to access management and other personnel at certain companies where the Adviser seeks to take a short position. In addition, if other investors engage in copycat behavior by taking positions in the same issuers as the Fund, the cost of borrowing securities to sell short could increase drastically and the availability of such securities to the Fund could decrease drastically. Such events could make the Fund unable to execute its investment strategy. In addition, if the SEC were to adopt restrictions regarding short sales, they could restrict the Fund’s ability to engage in short sales in certain circumstances, and the Fund may be unable to execute its investment strategies as a result. The SEC and regulatory authorities in other jurisdictions may adopt (and in certain cases, have adopted) bans on short sales of certain securities (or short positions acquired through swaps) in response to market events. Bans on short selling may have a material adverse effect on the Fund’s ability to generate returns. New international capital and liquidity requirements introduced under the Basel III Accords and rules implementing the Dodd-Frank Act with respect to asset-backed securities could negatively affect the returns on the Fund’s investment in asset-backed securities. For example, the U.S. credit risk retention regulations require the sponsor of certain securitization vehicles (or a majority owned affiliate of such sponsor) to retain, and to refrain from transferring, selling, conveying to a third party, or hedging 5% of the credit risk in assets transferred, sold, or conveyed through the issuance of the asset-backed securities of such vehicle, subject to certain exceptions. The rules apply to offerings of RMBS occurring on and after December 24, 2015 and to offerings of other types of asset-backed securities occurring on and after December 24, 2016, subject to certain exceptions. In addition, the SEC recently promulgated Rule 192 under the Securities Act, which applies to asset-backed securities issued on or after June 9, 2025. Rule 192 generally prohibits securitization sponsors, underwriters, initial purchasers, placement agents and certain of their affiliates and subsidiaries from entering into certain specified transactions that constitute a “conflicted transaction” with respect to the relevant asset-backed security, including short sales, credit derivatives and other credit hedging instruments, and similar instruments or transactions, subject to a materiality standard, unless certain exceptions apply. The regulations implementing the Dodd-Frank Act with respect to asset-backed securities are subject to varying interpretations, and there is little judicial or regulatory guidance available. These requirements may increase the costs to originators, securitizers, and, in certain cases, collateral managers of securitization vehicles in which the Fund may invest, which costs could be passed along to such Fund as an investor in such vehicles. In addition, the costs imposed by the regulations implementing the Dodd-Frank Act on originators, securitizers and/or collateral managers may result in a reduction of the number of new offerings of asset-backed securities and thus in fewer investment opportunities for the Fund, and Rule 192 may impose limitations on the ability of broker-dealers to make a market in certain asset-backed securities, which could have an adverse effect on the liquidity, and therefore the market value, of the Fund’s asset-backed securities investments. A reduction in the number of new securitizations or a limitation on the ability of broker-dealers to make a market in asset-backed securities could also reduce liquidity in the markets for certain types of financial assets that are typically held by securitization vehicles, which in turn could negatively affect the returns on the Fund’s investment in asset-backed securities. Rule 18f-4 under the 1940 Act regulates registered investment companies’ use of derivatives and certain related instruments (e.g., short sale borrowings and, if the Fund elects to treat as a derivatives transaction, reverse repurchase agreements or similar financing transactions). This rule, among other things, limits derivatives exposure through a value-at-risk test, requires funds to adopt and implement a derivatives risk management program (including the appointment of a derivatives risk manager and the implementation of certain testing requirements), and subjects funds to certain reporting requirements in respect of derivatives. To the extent the Fund uses derivative transactions (excluding certain currency and interest rate hedging transactions) in a limited amount, it will not be subject to the full requirements of Rule 18f-4. Repurchase Agreement Risk: The Fund may enter into repurchase agreements, in which the Fund purchases a security from a bank or broker-dealer, which agrees to repurchase the security at the Fund’s cost plus interest within a specified time. If the party agreeing to repurchase should default, the Fund will seek to sell the securities which it holds. This could involve procedural costs or delays in addition to a loss on the securities if their value should fall below their repurchase price. Repurchase agreements maturing in more than seven days and which may not be terminated within seven days at approximately the amount at which the Fund has valued the agreements are considered illiquid securities. These events could also trigger adverse tax consequences for the Fund. Distribution Risk: The Fund’s distribution rate may be affected by numerous factors, including but not limited to changes in realized and projected market returns, fluctuations in market interest rates, Fund performance, and other factors. The Fund may make distributions in excess of its net income, resulting in a return of capital to shareholders. Diminution in the size of the Fund through returns of capital may limit the ability of the Fund to participate in new investment opportunities. Distributions that are returns of capital for tax purposes will reduce a shareholder’s tax basis in outstanding shares of the Fund and will result in capital gain to the shareholder to the extent such distributions exceed the shareholder’s tax basis in Fund Shares. Leverage Risk: The Fund’s use of leverage creates the opportunity for increased net income to common Shares, but also creates special risks for shareholders. To the extent used, there is no assurance that the Fund’s leveraging strategies will be successful. Leverage is a speculative technique that may expose the Fund to greater risk and increased costs. The net proceeds that the Fund obtains from its use of inverse floating rate securities, credit default swaps, dollar rolls and/or borrowings (as well as from any future issuance of preferred shares) will be invested in accordance with the Fund’s investment objectives and policies as described in this prospectus and any prospectus supplement. Interest or other expenses payable by the Fund with respect to its inverse floating rate securities, credit default swaps, dollar rolls and borrowings (or dividends payable with respect to any outstanding preferred shares) will generally be based on shorter-term interest rates that would be periodically reset. So long as the Fund’s portfolio investments provide a higher rate of return (net of applicable Fund expenses) than the interest rates and other costs to the Fund of such leverage, the investment of the proceeds thereof will generate more income than will be needed to pay the costs of the leverage. If so, and all other things being equal, the excess may be used to pay higher dividends to shareholders than if the Fund were not so leveraged. If, however, shorter-term interest rates rise relative to the rate of return on the Fund’s portfolio, the interest and other costs to the Fund of leverage (including interest expenses on dollar rolls and borrowings and the dividend rate on any outstanding preferred shares) could exceed the rate of return on the debt obligations and other investments held by the Fund, thereby reducing returns to shareholders. In addition, fees and expenses of any form of leverage used by the Fund will be borne entirely by the shareholders (and not by preferred shareholders, if any) and will reduce the investment return of the Shares. Therefore, there can be no assurance that the Fund’s use of leverage will result in a higher yield on the Shares, and it may result in losses. In addition, any preferred shares issued by the Fund are expected to pay cumulative dividends, which may tend to increase leverage risk. Leverage creates several major types of risks for shareholders, including: ● the likelihood of greater volatility of NAV of Shares, and of the investment return to shareholders, than a comparable portfolio without leverage; ● the possibility either that Share dividends will fall if the interest and other costs of leverage rise, or that dividends paid on Shares will fluctuate because such costs vary over time; and ● the effects of leverage in a declining market or a rising interest rate environment, as leverage is likely to cause a greater decline in the NAV of the Shares than if the Fund were not leveraged. If the costs of any leverage used by the Fund exceed the income from portfolio securities acquired through the use of such leverage, the Fund’s NAV would decline. A decline in the Fund’s NAV could affect the ability of the Fund to pay dividends or make distributions to shareholders. A failure by the Fund to distribute an adequate proportion of its net investment income in the form of dividends each taxable year may result in the Fund ceasing to qualify as a regulated investment company under the Code. See “Tax Matters” below for additional information. Also, the counterparties to the Fund’s leveraging transactions and any preferred shareholders of the Fund will have priority of payment over the Fund’s shareholders. The Fund may engage in various types of transactions that give rise to a form of leverage including, among others, investments in inverse floaters, entering into a credit facility or the use of derivatives instruments such as futures and forward contracts (including foreign currency exchange contracts), credit default swaps, total return swaps, basis swaps and other derivative transactions, loans of portfolio securities, short sales and when-issued, delayed delivery and forward commitment transactions). The Fund’s use of such transactions gives rise to associated leverage risks described above, and may adversely affect the Fund’s income, distributions and total returns to shareholders. The Fund may offset derivatives positions against one another or against other assets to manage effective market exposure resulting from derivatives in its portfolio. To the extent that any offsetting positions do not behave in relation to one another as expected, the Fund may perform as if it is leveraged through use of these derivative strategies. Tax Treatment Limitations and Potential Changes in Tax Treatment Risk: The Fund intends to elect to be taxed and to qualify annually thereafter as a “regulated investment company” under subchapter M of the Code. In order to qualify as a regulated investment company under subchapter M, at least 90% of the Fund’s gross income for each taxable year must be “qualifying income.” The Fund’s intention to qualify as a regulated investment company under the Code may limit the Fund’s ability to invest in certain investments, especially commodity related investments, which may offer the potential to hedge against inflation and any such investments may bear adversely on the Fund’s ability to so qualify. In addition, the Fund’s transactions in futures, swaps and other derivatives could also result in the Fund realizing more short-term capital gain and ordinary income (both subject to ordinary income tax rates) than otherwise would be the case if the Fund did not invest in such instruments. To the extent that the Fund invests in this manner, the realization of short-term capital gain and ordinary income may impact the amount, timing, and character of the Fund’s distributions to shareholders and the Fund’s after-tax returns. Non-Diversification Risk: The Fund is “non-diversified,” which means that the Fund may invest a significant portion of its assets in the securities of a small number of issuers than a diversified fund. A fund that invests in a relatively smaller number of issuers is more susceptible to risks associated with a single economic, political or regulatory occurrence than a diversified fund might be. Some of those issuers also may present substantial credit or other risks. Similarly, the Fund may be subject to increased economic, business or political risk to the extent that it invests a substantial portion of its assets in a particular currency, in a group of related industries, in a particular issuer, in the bonds of similar projects or in a narrowly defined geographic area outside the U.S. Cyber Security Risk: As the use of technology has become more prevalent in the course of business, Lord Abbett and other service providers have become more susceptible to operational and information security risks. Cyber incidents can result from deliberate attacks or unintentional events and include, but are not limited to, gaining unauthorized access to electronic systems for purposes of misappropriating assets, personally identifiable information (“PII”) or proprietary information (e.g., trading models and algorithms), corrupting data, or causing operational disruption, for example, by compromising trading systems or accounting platforms. Other ways in which the business operations of Lord Abbett, other service providers, or issuers of securities in which Lord Abbett invests a shareholder’s assets may be impacted include interference with a shareholder’s ability to value its portfolio, the unauthorized release of PII or confidential information, and violations of applicable privacy, recordkeeping and other laws. A shareholder and/or its account could be negatively impacted as a result. While Lord Abbett has established internal risk management security protocols designed to identify, protect against, detect, respond to and recover from cyber security incidents, there are inherent limitations in such protocols including the possibility that certain threats and vulnerabilities have not been identified or made public due to the evolving nature of cyber security threats. Furthermore, Lord Abbett cannot control the cyber security systems of third party service providers or issuers. Any problems relating to the performance and effectiveness of security procedures used by a Fund or its service providers to protect the Fund’s assets, such as algorithms, codes, passwords, multiple signature systems, encryption and telephone call-backs, may have an adverse impact on the Fund or its investors. Furthermore, as the Fund’s assets grow, it may become a more appealing target for cybersecurity threats such as hackers and malware. Geopolitical tensions could increase the scale and sophistication of deliberate cybersecurity attacks, particularly those from nation-states or from entities with nation-state backing. There currently is no insurance policy available to cover all of the potential risks associated with cyber incidents. Unless specifically agreed by Lord Abbett separately or required by law, Lord Abbett is not a guarantor against, or obligor for, any damages resulting from a cyber-security-related incident. Artificial Intelligence Risk: Lord Abbett may utilize AI in its business operations, and the challenges with properly managing its use could result in reputational harm, competitive harm, legal liability, and/or an adverse effect on Lord Abbett’s business operations. Certain types of convertible securities may decline in value or lose their value entirely in the event that the issuer’s financial conditions become significantly impaired. AI models may rely on techniques such as natural language processing and machine learning, which are less transparent or interpretable and may produce unexpected results, which could adversely impact the Fund. If the content, analyses, or recommendations that AI applications assist Lord Abbett in producing are or are alleged to be deficient, inaccurate, or biased, the Fund may be adversely affected. Additionally, AI tools used by Lord Abbett may produce inaccurate, misleading or incomplete responses that could lead to errors in Lord Abbett’s and its employees’ decision-making, portfolio management or other business activities, which could have a negative impact on the performance of the Fund. Such AI tools could also be used against Lord Abbett or the Fund and its investments in criminal or negligent ways. Lord Abbett’s competitors or other third parties could incorporate AI into their products more quickly or more successfully, which could impair Lord Abbett’s ability to compete effectively. Legal and regulatory changes, particularly related to information privacy and data protection, may have an impact on AI, and may additionally impact Lord Abbett and the Fund. Operational Risk: The Fund is also subject to the risk of loss as a result of other services provided by the Adviser and its affiliates and other service providers, including pricing, administrative, accounting, tax, legal, custody, transfer agency, and other services. Operational risk includes the possibility of loss caused by inadequate procedures and controls, human error, and system failures by a service provider; each of which may negatively affect the Fund’s performance. For example, trading delays or errors could prevent the Fund from benefiting from potential investment gains or avoiding losses. In addition, a service provider may be unable to provide a NAV for the Fund or share class on a timely basis. Similar types of operational risks also are present for issuers of securities in which the Fund invests, which could result in material adverse consequences for such issuers, and may cause the Fund’s investment in such securities to lose value. Business Continuity Risk: Lord Abbett has developed a Business Continuity Program (the “Program”) that is designed to minimize the disruption of normal business operations in the event of an adverse incident impacting Lord Abbett, its affiliates, or the Fund. While Lord Abbett believes that the Program should enable it to reestablish normal business operations in a timely manner in the event of an adverse incident, there are inherent limitations in such programs (including the possibility that contingencies have not been anticipated and procedures do not work as intended) and under some circumstances, Lord Abbett, its affiliates, and any vendors used by Lord Abbett, its affiliates, or the Fund could be prevented or hindered from providing services to the Fund for extended periods of time. These circumstances may include, without limitation, acts of God, acts of governments, any act of declared or undeclared war or of a public enemy (including acts of terrorism), power shortages or failures, utility or communication failure or delays, labor disputes, strikes, shortages, supply shortages, system failures or malfunctions. The Fund’s ability to recover any losses or expenses it incurs as a result of a disruption of business operations may be limited by the liability, standard of care, and related provisions in its contractual arrangements with Lord Abbett and other service providers. Market Disruption and Geopolitical Risk: Geopolitical and other events (e.g., tariffs and other trade barriers, wars, terrorism, natural disasters, infectious illness outbreaks, epidemics or pandemics), or the threat of or potential for one or more such events, may disrupt securities markets and adversely affect global economies and markets, thereby decreasing the value of the Fund’s investments. Sudden or significant changes in the supply or prices of commodities or other economic inputs may have material and unexpected effects on both global securities markets and individual countries, regions, sectors, companies, or industries, which could significantly reduce the value of the Fund’s investments. Wars, terrorist attacks, natural disasters, infectious illness outbreaks, epidemics or pandemics could result in unplanned or significant securities market closures or declines. Securities markets also may be susceptible to market manipulation or other fraudulent trading practices, which could disrupt the orderly functioning of markets, increase overall market volatility, or reduce the value of investments traded in them, including investments of the Fund. Instances of fraud and other deceptive practices committed by senior management of certain companies in which the Fund invests may undermine Lord Abbett's due diligence efforts with respect to such companies, and if such fraud is discovered, negatively affect the value of the Fund’s investments. Financial fraud also may impact the rates or indices underlying the Fund’s investments. While the U.S. Government has always honored its credit obligations, a default by the U.S. Government (as has been threatened over the years) would be highly disruptive to the U.S. and global securities markets and could significantly reduce the value of the Fund’s investments. Similarly, political events within the United States at times have resulted, and may in the future result, in a shutdown of government services, which could adversely affect the U.S. economy, decrease the value of many Fund investments, and increase uncertainty in or impair the operation of the U.S. or other securities markets. Substantial government interventions (e.g., currency controls) also could adversely affect the Fund. War, terrorism, economic uncertainty, and related geopolitical events have led, and in the future may lead, to increased short-term market volatility and may have adverse long-term effects on U.S. and world economies and markets generally. Likewise, sanctions threatened or imposed by jurisdictions, including the United States, against a country or entities or individuals in another country (such as sanctions imposed against Russia, Russian entities and Russian individuals in connection with Russia’s invasion of Ukraine in 2022) may impair the value and liquidity of securities issued by issuers in such country and may result in the Fund using fair valuation procedures to value such securities. While the Fund does not have significant investments in securities affected by sanctions, sanctions, or the threat of sanctions (including any retaliatory responses to such sanctions), may cause volatility in regional and global markets and may negatively impact the performance of various sectors and industries, as well as companies in other countries, including through global supply chain disruptions, increased inflationary pressures and reduced economic activity, which could have a negative effect on the performance of the Fund. Furthermore, if after investing in the Fund an investor is included on a sanctions list, the Fund may be required to cease any further dealings with the investor’s interest in the Fund until such sanctions are lifted or a license is sought under applicable law to continue dealings. Although Lord Abbett expends significant effort to comply with the sanctions regimes in the countries where it operates, one of these rules could be violated by Lord Abbett’s or the Fund's activities or investors, which would adversely affect the Fund. In addition, natural and environmental disasters, (e.g., earthquakes, tsunamis, hurricanes), infectious illness outbreaks, epidemics or pandemics, and systemic market dislocations have been highly disruptive to economies and markets, adversely affecting individual companies and industries, securities markets, interest rates, credit ratings, inflation, investor sentiment, and other factors affecting the value of the Fund’s investments. During such market disruptions, the Fund’s exposure to the risks described elsewhere in the “Principal Risks” section of the prospectus will likely increase. Market disruptions and sudden government interventions can also prevent the Fund from implementing its investment strategies and achieving its investment objective. The foregoing could disrupt the operations of the Fund and its service providers, adversely affect the value and liquidity of the Fund’s investments, and negatively impact the Fund’s performance and an investment in the Fund. Adverse developments that affect financial institutions or the financial services industry generally, or concerns or rumors about any events of these kinds or other similar risks, may reduce liquidity in the market generally or have other adverse effects on the economy, the Fund or issuers in which the Fund invests. In addition, issuers in which the Fund invests and the Fund may not be able to identify all potential solvency or stress concerns with respect to a financial institution or to transfer assets from one bank or financial institution to another in a timely manner in the event such bank or financial institution comes under stress or fails. Advancements in technology may also adversely impact markets and the overall performance of the Fund. For instance, the economy may be significantly impacted by the advanced development and increased regulation of technology. As the use of technology grows, liquidity and market movements may be affected. As technology is used more widely in the asset management industry, the profitability and growth of Fund holdings may be impacted, which could significantly impact the overall performance of the Fund. Valuation Risk: The valuation of the Fund’s investments involves subjective judgment. There can be no assurance that the Fund will value its investments in a manner that accurately reflects their current market values or that the Fund will be able to sell any investment at a price equal to the valuation ascribed to that investment for purposes of calculating the Fund’s NAV. Incorrect valuations of the Fund’s portfolio holdings could result in the Fund’s shareholder transactions being effected at a NAV that does not accurately reflect the underlying value of the Fund’s portfolio, resulting in the dilution of shareholder interests. |
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| Effects of Leverage [Text Block] | Effects of Leverage The following table is furnished in response to requirements of the SEC. It is designed to illustrate the effects of leverage through the use of senior securities, as that term is defined under Section 18 of the 1940 Act, including investments in inverse floating rate securities, on common share total return, assuming investment portfolio total returns (consisting of income and changes in the value of investments held in the Fund’s portfolio) of -10%, -5%, 0%, 5% and 10%. The table below assumes the utilization of tender option bonds in an amount equal to 11% of the Fund’s total managed assets at an annual interest rate to the Fund of 2.79% (based on estimated market interest rates under current market conditions). Based on such estimates, the annual return that the Fund’s portfolio must experience (net of expenses) in order to cover the costs of the Fund’s leverage would be 0.34%. The information below does not reflect any Fund’s use of certain other forms of economic leverage achieved through the use of other instruments or transactions not considered to be senior securities under the 1940 Act, such as certain derivative instruments. The numbers are merely estimates, used for illustration. The costs of leverage may vary frequently and may be significantly higher or lower than the estimated rate. The assumed investment portfolio returns in the table below are hypothetical figures and are not necessarily indicative of the investment portfolio returns experienced or expected to be experienced by the Fund. Your actual returns may be greater or less than those appearing below.
Total Return is composed of two elements: the dividends on common Shares paid by the Fund (the amount of which is largely determined by the net investment income of the Fund after paying dividends or interest on its leverage) and gains or losses on the value of the securities the Fund owns. As required by SEC rules, the table above assumes that the Fund is more likely to suffer capital losses than to enjoy capital appreciation. For example, to assume a total return of 0% the Fund must assume that the distributions it receives from its investments are entirely offset by losses in the value of those investments. The Fund currently uses leverage (whether through the use of senior securities or otherwise) to achieve its investment objectives, as a liquidity source to Fund repurchases or for temporary and extraordinary purposes and may consider other potential uses in the future. The Fund’s willingness to use leverage, and the extent to which leverage is used at any time, will depend on many factors, including the Adviser’s assessment of the yield curve environment, interest rate trends, market conditions, and other factors. |
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| Annual Interest Rate [Percent] | 2.79% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effects of Leverage [Table Text Block] |
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| Return at Minus Ten [Percent] | (16.40%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Return at Minus Five [Percent] | (8.90%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Return at Zero [Percent] | (1.40%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Return at Plus Five [Percent] | 6.11% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Return at Plus Ten [Percent] | 13.61% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Effects of Leverage, Purpose [Text Block] | The following table is furnished in response to requirements of the SEC. It is designed to illustrate the effects of leverage through the use of senior securities, as that term is defined under Section 18 of the 1940 Act, including investments in inverse floating rate securities, on common share total return, assuming investment portfolio total returns (consisting of income and changes in the value of investments held in the Fund’s portfolio) of -10%, -5%, 0%, 5% and 10%. The table below assumes the utilization of tender option bonds in an amount equal to 11% of the Fund’s total managed assets at an annual interest rate to the Fund of 2.79% (based on estimated market interest rates under current market conditions). Based on such estimates, the annual return that the Fund’s portfolio must experience (net of expenses) in order to cover the costs of the Fund’s leverage would be 0.34%. The information below does not reflect any Fund’s use of certain other forms of economic leverage achieved through the use of other instruments or transactions not considered to be senior securities under the 1940 Act, such as certain derivative instruments. The numbers are merely estimates, used for illustration. The costs of leverage may vary frequently and may be significantly higher or lower than the estimated rate. The assumed investment portfolio returns in the table below are hypothetical figures and are not necessarily indicative of the investment portfolio returns experienced or expected to be experienced by the Fund. Your actual returns may be greater or less than those appearing below. |
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| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Capital Stock [Table Text Block] | DESCRIPTION OF CAPITAL STRUCTURE AND SHARES The following is a brief description of the anticipated capital structure of the Fund. This description does not purport to be complete and is subject to and qualified in its entirety by reference to the Declaration of Trust and the Fund’s By-laws. The Declaration of Trust and By-laws are each exhibits to the registration statement of which this prospectus is a part. The Fund is a Delaware statutory trust established under the laws of the State of Delaware by the Declaration of Trust. The Declaration of Trust provides that the Trustees may authorize separate series or classes of Shares of beneficial interest of the Fund. Preferred shares may be issued in one or more series, with such rights as determined by the Board, by action of the Board without the approval of the shareholders. Shares of Beneficial Interest The Declaration of Trust authorizes the issuance of an unlimited number of Shares. The Fund currently offers three classes of Shares: Class A Shares, Class I Shares and Class U Shares. Class U Shares have not yet commenced operations. The fees and expenses for the Fund are set forth in “Summary of Fund Expenses” above. Shareholders will be entitled to the payment of dividends and other distributions when, as and if declared by the Board. All Shares have equal rights to the payment of dividends and the distribution of assets upon liquidation. Shares will, when issued, be fully paid and non-assessable, and will have no pre-emptive or conversion rights or rights to cumulative voting. Upon liquidation of the Fund, after paying or adequately providing for the payment of all liabilities of the Fund and the liquidation preference with respect to any outstanding preferred shares, and upon receipt of such releases, indemnities and refunding agreements as they deem necessary for their protection, the Trustees may distribute the remaining assets of the Fund among the holders of the Fund’s Shares according to their respective rights. The Fund does not intend to hold annual meetings of shareholders. If the Fund does hold a meeting of shareholders, Shares of the Fund entitle their holders to one vote for each Share held. Each fractional share shall be entitled to a proportionate fractional vote, except as otherwise provided by the Declaration of Trust, By-laws, or required by applicable law. The Fund will send unaudited reports at least semiannually and audited financial statements annually to all of its shareholders. The Shares are not, and are not expected to be, listed for trading on any national securities exchange nor is there expected to be any secondary trading market in the Shares. Limitation on Liability of Trustees and Officers; Indemnification and Advance of Expenses Pursuant to the Declaration of Trust, Trustees and officers of the Fund will not be subject in such capacity to any personal liability to the Fund or Shareholders, unless the liability arises from fraud, willful misconduct, or gross negligence. Except as otherwise provided in the Declaration of Trust, the Fund will indemnify and hold harmless any current or former Trustee or officer of the Fund against any liabilities and expenses (including reasonable attorneys’ fees relating to the defense or disposition of any action, suit or proceeding with which such person is involved or threatened), while and with respect to acting in the capacity of a Trustee or officer of the Fund, except with respect to matters in which such person did not act in good faith in the reasonable belief that his or her action was in the best interest of the Fund, or in the case of a criminal proceeding, matters for which such person had reasonable cause to believe that his or her conduct was unlawful. In accordance with the 1940 Act, the Fund will not indemnify any Trustee or officer for any liability to which such person would be subject by reason of his or her willful misfeasance, bad faith, gross negligence or reckless disregard. The Fund will provide indemnification to Trustees and officers prior to a final determination regarding entitlement to indemnification as described in the Declaration of Trust. The Management Agreement provides that, in the absence of willful misfeasance, bad faith or gross negligence on the part of the Adviser or a reckless disregard of its duties, the Adviser is not liable for any error of judgment or mistake of law or for any loss the Fund suffers. Pursuant to the Declaration of Trust, the Fund will advance the expenses of defending any action for which indemnification is sought if the Fund receives a written undertaking by the indemnitee which provides that the indemnitee will reimburse the Fund unless it is subsequently determined that the indemnitee is entitled to such indemnification. Number of Trustees; Appointment of Trustees; Vacancies; Removal The Declaration of Trust provides that the number of Trustees shall be no less than one, as determined in writing by a majority of the Trustees then in office. As set forth in the Declaration of Trust, a Trustee’s term of office shall continue until his or her death, resignation, removal, bankruptcy, adjudicated incompetence or other incapacity to perform the duties of the office of a Trustee. Subject to the provisions of the 1940 Act, individuals may be appointed by the Trustees at any time to fill vacancies on the Board by the appointment of such persons by a majority of the Trustees then in office. Each Trustee shall hold office until his or her successor shall have been appointed pursuant to the Declaration of Trust. To the extent that the 1940 Act requires that Trustees be elected by Shareholders, any such Trustees will be elected by a plurality of all Shares voted at a meeting of Shareholders at which a quorum is present. The Declaration of Trust provides that any Trustee may be removed (provided that after the removal the aggregate number of Trustees is not less than the minimum required by the Declaration of Trust) from office with cause only by action taken by a majority of the remaining Trustees (or, in the case of an Independent Trustee, only by action taken by a majority of the remaining Independent Trustees). Action by Shareholders The Declaration of Trust provides that Shareholder action can be taken at a meeting of Shareholders or by written consent in lieu of a meeting. Subject to the 1940 Act, the Declaration of Trust or a resolution of the Board specifying a greater or lesser vote requirement, the affirmative vote of a majority of Shares present in person or represented by proxy at a meeting and entitled to vote on the subject matter shall be the act of the Shareholders with respect to any matter submitted to a vote of the Shareholders. Amendment of Declaration of Trust and By-laws Subject to the provisions of the 1940 Act, pursuant to the Declaration of Trust, the Board may make certain amendments to the Declaration of Trust without any vote of Shareholders. Pursuant to the Declaration of Trust and By-laws, the Board has the exclusive power to amend or repeal the By-laws or adopt new By-laws at any time. No Appraisal Rights In certain extraordinary transactions, some jurisdictions provide the right to dissenting Shareholders to demand and receive the fair value of their Shares, subject to certain procedures and requirements set forth in such statute. Those rights are commonly referred to as appraisal rights. The Declaration of Trust provides that Shares shall not entitle Shareholders to appraisal rights. Conflict with Applicable Laws and Regulations The Declaration of Trust provides that if and to the extent that any provision of the Declaration of Trust conflicts with any provision of the 1940 Act, the provisions under the Code applicable to the Fund as a RIC or other applicable laws and regulations, the conflicting provision shall be deemed never to have constituted a part of the Declaration of Trust; provided, however, that such determination shall not affect any of the remaining provisions of the Declaration of Trust or affect the validity of any action taken or omitted to be taken prior to such determination. |
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| Security Dividends [Text Block] | Shareholders will be entitled to the payment of dividends and other distributions when, as and if declared by the Board. All Shares have equal rights to the payment of dividends and the distribution of assets upon liquidation. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Security Voting Rights [Text Block] | If the Fund does hold a meeting of shareholders, Shares of the Fund entitle their holders to one vote for each Share held. Each fractional share shall be entitled to a proportionate fractional vote, except as otherwise provided by the Declaration of Trust, By-laws, or required by applicable law. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Security Liquidation Rights [Text Block] | Upon liquidation of the Fund, after paying or adequately providing for the payment of all liabilities of the Fund and the liquidation preference with respect to any outstanding preferred shares, and upon receipt of such releases, indemnities and refunding agreements as they deem necessary for their protection, the Trustees may distribute the remaining assets of the Fund among the holders of the Fund’s Shares according to their respective rights. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Security Preemptive and Other Rights [Text Block] | Shares will, when issued, be fully paid and non-assessable, and will have no pre-emptive or conversion rights or rights to cumulative voting. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outstanding Securities [Table Text Block] |
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| Outstanding Security, Title [Text Block] | Common Shares | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outstanding Security, Held [Shares] | shares | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outstanding Security, Not Held [Shares] | shares | 100,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| New Fund Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | New Fund Risk: The Fund was recently organized. There can be no assurance that the Fund will reach or maintain a sufficient asset size to effectively implement its investment strategy. In addition, the Fund’s gross expense ratio may fluctuate during its initial operating period because of the Fund’s relatively smaller asset size and, until the Fund achieves sufficient scale, a Fund shareholder may experience proportionally higher Fund expenses than would be experienced by shareholders of a fund with a larger asset base. |
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| Portfolio Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Portfolio Management Risk: The strategies used and investments selected by the Fund’s portfolio management team may fail to produce the intended result and the Fund may not achieve its objectives. The securities selected for the Fund may not perform as well as other securities that were not selected for the Fund. As a result, the Fund may suffer losses or underperform other funds with the same investment objectives or strategies, and may generate losses even in a favorable market. |
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| Market Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market Risk: The market values of securities will fluctuate, sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention, market disruptions caused by trade disputes or other factors, political developments, and other factors (such as natural disasters, epidemics and pandemics, terrorism, conflicts and social unrest, or rapid technological developments such as artificial intelligence). Changes in the financial condition of a single issuer can impact a market as a whole. In addition, data imprecision, technology malfunctions, operational errors, and similar factors may adversely affect a single issuer, a group of issuers, an industry, or the market as a whole. A slower-growth or recessionary economic environment could have an adverse effect on the prices of the various securities held by the Fund. Economies and financial markets throughout the world are becoming increasingly interconnected, which raises the likelihood that events or conditions in one country or region will adversely affect markets or issuers in other countries or regions. An investment may lose money. |
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| Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: The Fund is subject to the general risks and considerations associated with investing in debt securities, including the risk that issuers will fail to make timely payments of principal or interest or default altogether. Typically, shorter-term bonds are less volatile than longer-term bonds; however, longer-term bonds typically offer higher yields and more stable interest income than shorter-term bond investments. Lower-rated securities in which the Fund may invest may be more volatile and may decline more in price in response to negative issuer developments or general economic news due to their increased credit risk relative to other fixed-income investments. In addition, as interest rates rise, the Fund’s investments typically will lose value. Fiscal, economic, monetary or other governmental policies or measures have in the past and may in the future cause or exacerbate risks associated with interest rates. |
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| Repurchase Offers Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Repurchase Offers Risk: As described in the section entitled “Periodic Repurchase Offers” beginning on page 49 of this prospectus, the Fund is an “interval fund” and, in order to provide liquidity to shareholders, the Fund, subject to applicable law, conducts quarterly repurchase offers of the Fund’s outstanding Shares at NAV, subject to approval of the Board. In all cases such repurchases will be for at least 5% and not more than 25% of its outstanding Shares at NAV, pursuant to Rule 23c-3 under the 1940 Act. It is currently expected that each quarter, the Adviser will recommend that the Board approve an offer to repurchase 7.5% of the Fund’s outstanding Shares under ordinary circumstances. The Fund believes that these repurchase offers are generally beneficial to the Fund’s shareholders and repurchases generally will be funded from available cash or sales of portfolio securities. Repurchase offers and the need to fund repurchase obligations may affect the ability of the Fund to be fully invested or force the Fund to maintain a higher percentage of its assets in liquid investments, which may harm the Fund’s investment performance. Moreover, diminution in the size of the Fund through repurchases may result in untimely sales of portfolio securities (with associated imputed transaction costs, which may be significant), and, unless offset by sufficient sales of Fund Shares, may limit the ability of the Fund to participate in new investment opportunities or to achieve its investment objectives. The Fund may accumulate cash by holding back (i.e., not reinvesting) payments received in connection with the Fund’s investments. The Fund believes that payments received in connection with the Fund’s investments will generate sufficient cash to meet the maximum potential amount of the Fund’s repurchase obligations. If at any time cash and other liquid assets held by the Fund are not sufficient to meet the Fund’s repurchase obligations, the Fund intends, if necessary, to sell investments. If the Fund employs investment leverage, repurchases of Shares would compound the adverse effects of leverage in a declining market. In addition, if the Fund borrows to finance repurchases, interest on that borrowing will negatively affect shareholders who do not tender their Shares by increasing the Fund’s expenses and reducing any net investment income. The repurchase of Shares by the Fund decreases the assets of the Fund and, therefore, may have the effect of increasing the Fund’s expense ratio. In addition, the repurchase of Shares by the Fund may increase the Fund’s portfolio turnover rate, which may result in increased transaction costs and reduced returns to shareholders. If a repurchase offer is oversubscribed, the Board may determine to increase the amount repurchased by up to 2% of the Fund’s outstanding Shares as of the date of the Repurchase Request Deadline. In the event that the Board determines not to repurchase more than the repurchase offer amount, or if shareholders tender more than the repurchase offer amount plus 2% of the Fund’s outstanding Shares as of the date of the Repurchase Request Deadline, the Fund will repurchase the Shares tendered on a pro rata basis, and shareholders will have to wait until the next repurchase offer to make another repurchase request. As a result, shareholders may be unable to liquidate all or a given percentage of their investment in the Fund during a particular repurchase offer. Some shareholders, in anticipation of proration, may tender more Shares than they wish to have repurchased in a particular quarter to ensure the repurchase of a specific number of Shares, thereby increasing the likelihood that proration will occur. A shareholder may be subject to market and other risks, and the NAV of Shares tendered in a repurchase offer may decline between the Repurchase Request Deadline and the date on which the NAV for tendered Shares is determined. The NAV on the Repurchase Request Deadline or the Repurchase Pricing Date may be higher or lower than on the date a shareholder submits a repurchase request. To the extent that the Fund invests a portion of its portfolio in foreign markets, there is the risk of a possible decrease in Share value as a result of currency fluctuations between the date of tender and the Repurchase Pricing Date. In addition, the repurchase of Shares by the Fund may be a taxable event to shareholders, potentially including even shareholders who do not tender any Shares in such repurchase. Furthermore, the Fund’s use of cash to repurchase Shares could adversely affect its ability to satisfy the distribution requirements for treatment as a regulated investment company. The Fund could also recognize income or gain in connection with its sale or other disposal of portfolio securities to fund Share repurchases. Any such income would be taken into account in determining whether such distribution requirements are satisfied and would need to be distributed to shareholders (in taxable distributions) in order to eliminate a Fund-level tax. See “Tax Matters” below. |
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| Municipal Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Municipal Securities Risk: Municipal securities are subject to the same risks affecting fixed income securities in general. In addition, the prices of municipal securities may be adversely affected by legislative or political changes, tax rulings, judicial action, changes in market and economic conditions, and the fiscal condition of the municipal issuer, including an insolvent municipality filing for bankruptcy. The Fund may be more sensitive to these events and conditions if it invests a substantial portion of its assets in the municipal securities of similar projects (such as those relating to education, health care, housing, transportation, and utilities), in particular types of municipal securities (such as general obligation bonds, private activity bonds, and special tax bonds) or in the securities of issuers located within a single state, municipality, territory (such as Puerto Rico), or geographic area. The market for municipal securities generally is less liquid than other securities markets, which may make it more difficult for the Fund to sell its municipal securities. The differences between the price at which an obligation can be purchased and the price at which it can be sold may widen during periods of market distress. Less liquid obligations can become more difficult to value and be subject to erratic price movements. Specific risks are associated with different types of municipal securities. For example, with respect to general obligation bonds, the full faith, credit, and taxing power of the municipality that issues a general obligation bond supports payment of interest and repayment of principal. Timely payments depend on the issuer’s credit quality, ability to raise tax revenues, and ability to maintain an adequate tax base. Certain of the municipalities in which the Fund invests may experience significant financial difficulties, which may lead to bankruptcy or default. With respect to revenue bonds, payments of interest and principal are made only from the revenues generated by a particular facility or class of facilities, the proceeds of a special tax, or other revenue source, and depend on the money earned by that source. Nongovernmental users of facilities financed by tax-exempt revenue bonds (e.g., companies in the electric utility and health care industries) may have difficulty making payments on their obligations in the event of an economic downturn. This would negatively affect the valuation of municipal securities issued by such facilities. In addition, each industry is subject to its own risks: the electric utility industry is subject to rate regulation vagaries, while the health care industry faces two main challenges – affordability and access. Private activity bonds are issued by municipalities and other public authorities to finance development of industrial facilities for use by a private enterprise. The private enterprise pays the principal and interest on the bond, and the issuer does not pledge its full faith, credit, and taxing power for repayment. If the private enterprise defaults on its payments, the Fund may not receive any income or get its money back from the investment. In a municipal lease obligation, the issuer agrees to make payments when due on the lease obligation. The issuer generally will appropriate municipal funds for that purpose, but is not obligated to do so. Although the issuer does not pledge its unlimited taxing power for payment of the lease obligation, the lease obligation is secured by the leased property. However, if the issuer does not fulfill its payment obligation, it may be difficult to sell the property and the proceeds of a sale may not cover the Fund’s loss. Variable rate demand obligations are floating rate securities that combine an interest in a long-term municipal bond with a right to demand payment before maturity from a bank or other financial institution. If the bank or financial institution is unable to pay, the Fund may lose money. Special tax bonds are usually backed and payable through a single tax, or series of special taxes such as incremental property taxes. The failure of the tax levy to generate adequate revenue to pay the debt service on the bonds may cause the value of the bonds to decline. |
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| Below Investment Grade Municipal Bond Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Below Investment Grade Municipal Bond Risk: Below investment grade municipal bonds typically pay a higher yield than investment grade municipal bonds, but have greater price fluctuations and a higher risk of default than investment grade municipal bonds. The market for below investment grade municipal bonds may be less liquid due to such factors as specific municipal developments, interest rate sensitivity, negative perceptions of the junk bond markets generally, and less secondary market liquidity. This may make such bonds more difficult to sell at an acceptable price, especially during periods of financial distress, increased market volatility, or significant market decline. |
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| Call Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Call Risk: A substantial portion of bonds are “callable,” meaning they give the issuer the right to call or redeem the bonds before maturity. Issuers may call outstanding bonds when there is a decline in interest rates, when credit spreads change, or when the issuer’s credit quality improves. As interest rates decline, these bond issuers may pay off their loans early by buying back the bonds, thus depriving the Fund of above market interest rates. Moreover, the Fund may not recoup the full amount of its initial investment and may have to reinvest the prepayment proceeds in lower-yielding securities, securities with greater credit risks, or other less attractive securities. |
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| CreditRiskMember | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Credit Risk: Municipal bonds are subject to the risk that the issuer or guarantor of a security may not make interest and principal payments as they become due. Litigation, legislation or other political events, business or economic conditions, or the bankruptcy of the issuer could have a significant effect on an issuer’s ability to make payments of principal and/or interest. In addition, if the market perceives a deterioration in the creditworthiness of an issuer, the value and liquidity of securities issued by that issuer may decline. Credit risk varies based upon the economic and fiscal conditions of each issuer and the municipalities, agencies, instrumentalities, and other issuers within the state, territory, or possession. As noted above, to the extent the Fund holds below investment grade securities, these risks may be heightened. The credit quality of the Fund’s portfolio securities or instruments may meet the Fund’s credit quality requirements at the time of purchase but then deteriorate thereafter, and such a deterioration can occur rapidly. In certain instances, the downgrading or default of a single holding or guarantor of the Fund’s holding may impair the Fund’s liquidity and have the potential to cause significant NAV deterioration. Insurance or other credit enhancements supporting the Fund’s investment may be provided by either U.S. or foreign entities. These securities have the credit risk of the entity providing the credit support in addition to the credit risk of the underlying investment that is being enhanced. Credit support provided by foreign entities may be less certain because of the possibility of adverse foreign economic, political or legal developments that may affect the ability of the entity to meet its obligations. A change in the credit rating or the market’s perception of the creditworthiness of any of the bond insurers that insure securities in the Fund’s portfolio may affect the value of the securities they insure, the Fund’s share prices, and Fund performance. A downgrading of an insurer’s credit rating or a default by the insurer could reduce the credit rating of an insured bond and, therefore, its value. The Fund also may be adversely affected by the inability of an insurer to meet its insurance obligations. |
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| Defaulted Bonds Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Defaulted Bonds Risk: Defaulted bonds are subject to greater risk of loss of income and principal than securities of issuers whose debt obligations are being met. Defaulted bonds are speculative with respect to the issuer’s ability to make interest payments and/or pay its obligations in full. Because the issuer of such securities is in default and is likely to be in distressed financial condition, the repayment of defaulted bonds is subject to significant uncertainties, and in some cases, there may be no recovery of repayment. Defaulted bonds might be repaid only after lengthy workout or bankruptcy proceedings, during which the issuer might not make any interest or other payments. Workout or bankruptcy proceedings could adversely affect the Fund’s rights in collateral relating to a loan, delay or limit the Fund’s ability to collect the principal and interest payments on that borrower’s loans, and typically result in only partial recovery of cash payments or an exchange of the defaulted bond for other securities of the issuer or its affiliates, which securities may in turn be illiquid, subject to restrictions on resale and/or speculative. |
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| Inverse Floaters Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Inverse Floaters Risk: The Fund may invest in inverse floating rate securities and the use of such may reduce the Fund’s returns and/or increase the Fund’s volatility. Distributions on inverse floaters are inversely related to short-term municipal bond interest rates. Therefore, distributions paid to the Fund on its inverse floaters will fall when short-term municipal interest rates rise and will rise when short-term municipal interest rates fall. Holders of inverse floaters bear the risk of the fluctuation in value of the issuing trust’s underlying municipal bonds because holders of the floaters have the right to tender their notes back to the trust for payment at par plus accrued interest. This creates effective leverage because the Fund’s net cash investment is significantly less than the value of the underlying bonds. The leverage ratio increases as the value of the inverse floaters becomes a greater proportion of the value of the municipal bonds deposited into the trust. The Fund’s investments in inverse floating rate securities issued by special purpose trusts that have recourse to the Fund may be highly leveraged. The structure and degree to which the Fund’s inverse floating rate securities are highly leveraged will vary based upon a number of factors, including the size of the trust itself and the terms of the underlying municipal security. In the event of a significant decline in the value of an underlying security, the Fund may suffer losses in excess of the amount of its investment (up to an amount equal to the value of the municipal securities underlying the inverse floating rate securities) as a result of liquidating special purpose trusts or other collateral required to maintain the Fund’s anticipated leverage ratio. |
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| Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The risks associated with derivatives may be different from and greater than the risks associated with directly investing in securities and other investments. Derivatives may increase the Fund’s volatility and reduce its returns. The risks associated with derivatives include, among other things, the following: ● The risk that the value of a derivative may not correlate with the value of the underlying asset, rate, or index in the manner anticipated by the portfolio management team and may be more sensitive to changes in economic or market conditions than anticipated. ● Derivatives may be difficult to value, especially under stressed or unforeseen market conditions. ● The risk that the counterparty may fail to fulfill its contractual obligations under the derivative contract. Central clearing of derivatives is intended to decrease counterparty risk but does not eliminate it. ● The risk that there will not be a secondary liquid trading market for the derivative, or that the Fund will otherwise be unable to sell or otherwise close a derivatives position when desired, exposing the Fund to additional losses. ● Because derivatives generally involve a small initial investment relative to the risk assumed (known as leverage), derivatives can magnify the Fund’s losses and increase its volatility. ● The Fund’s use of derivatives may affect the amount, timing, and character of distributions, and may cause the Fund to realize more short-term capital gain and ordinary income than if the Fund did not use derivatives. There is no assurance that the Fund will be able to employ its derivatives strategies successfully. Derivatives may not perform as expected, and the Fund may not realize the intended benefits. Whether the Fund’s use of derivatives is successful will depend on, among other things, the portfolio managers’ ability to correctly forecast market movements, company and industry valuation levels and trends, changes in foreign exchange and interest rates, and other factors. If the portfolio managers incorrectly forecast these and other factors, the Fund’s performance could suffer. Although hedging may reduce or eliminate losses, it also may reduce or eliminate gains. When used for hedging purposes, the changes in value of a derivative may not correlate as expected with the currency, security, portfolio, or other risk being hedged. When used as an alternative or substitute for, or in combination with, direct investments, the return provided by the derivative may not provide the same return as direct investment. In addition, given their complexity, derivatives are subject to the risk that improper or misunderstood documentation may expose the Fund to losses. The U.S. Government has enacted legislation that provides for new regulation of the derivatives market, including clearing, margin, reporting, and registration requirements. The EU, UK and other countries are implementing similar requirements, which will affect the Fund when it enters into a derivatives transaction with a counterparty organized in such a country or otherwise subject to that country’s derivatives regulations. Because these requirements are new and evolving, their ultimate impact on the Fund remains unclear. It is possible that government regulation of various types of derivative instruments could potentially limit or restrict the ability of the Fund to use these instruments as a part of its investment strategy, increase the costs of using these instruments, make them less effective, or otherwise adversely affect their value. Limits or restrictions applicable to the counterparties with which the Fund engages in derivative transactions could also prevent the Fund from using these instruments or affect the pricing or other factors relating to these instruments. See “Credit Default Swaps Risk” and “Repurchase Agreement Risk” below for risks specific to such instruments. |
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| Distressed Debt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Distressed Debt Risk: Investments in distressed bonds are speculative and involve substantial risks in addition to the risks of investing in high-yield debt securities. The anticipated transaction regarding these instruments may be unsuccessful, take considerable time or result in a distribution of cash or a new security or obligation in exchange for the distressed debt obligations, the value of which may be less than the Fund’s purchase price of such debt obligations. The Fund also may incur expenses trying to protect its interests in distressed debt and will be subject to the risk that it may lose a portion or all of its investment in the distressed debt. Additionally, the prices of distressed bonds are likely to be more sensitive to adverse economic changes or individual issuer developments than the prices of higher rated securities. During an economic downturn or substantial period of rising interest rates, distressed debt issuers may experience financial stress that would adversely affect their ability to service their principal and interest payment obligations, to meet their projected business goals, or to obtain additional financing. The Fund may invest in additional securities of a defaulted issuer to retain a controlling stake in any bankruptcy proceeding or workout. Any distressed securities or any securities received in exchange for such securities may be subject to restrictions on resale. In any reorganization or liquidation proceeding, the Fund may lose its entire investment or may be required to accept cash or securities with a value less than its original investment. Moreover, it is unlikely that a liquid market will exist for the Fund to sell its holdings in distressed debt securities and any distressed securities or any securities received in exchange for such securities may be subject to restrictions on resale. If the Fund and other accounts managed by the Adviser and its affiliates invest in different parts of an issuer’s capital structure and the issuer encounters financial problems, decisions over the terms of any restructuring or workout are likely to raise conflicts of interest. The Fund may take actions adverse to other accounts or, to minimize such conflicts, may avoid making certain investments or taking certain actions, which could have the effect of limiting the Fund’s investment opportunities. Similarly, other accounts managed by the Adviser and its affiliates may take actions adverse to the Fund. |
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| Extension Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Extension Risk: Rising interest rates may cause an issuer to pay off or retire a debt security later than expected, extending the duration of a bond, making it more sensitive to changes in interest rates reducing the bond’s value. Extension risk generally is low for short-term bond funds, moderate for intermediate-term bond funds, and high for long-term bond funds. |
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| Governmental Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Governmental Risk: Government actions, including U.S. federal government actions and actions by local, state, and regional governments, could have an adverse effect on municipal bond prices. In addition, the Fund’s performance may be affected by local, state, and regional factors depending on the states or territories in which the Fund’s investments are issued. |
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| High-Yield Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | High-Yield Securities Risk: High-yield securities (commonly referred to as “junk” bonds) typically pay a higher yield than investment grade securities, but they have a higher risk of default than investment grade securities, and their prices are much more volatile. The market for high-yield securities may be less liquid due to such factors as specific industry developments, interest rate sensitivity, negative perceptions of the junk bond markets generally, and less secondary market liquidity, and may be subject to greater credit risk than investment grade securities. Below investment grade securities are speculative due to their increased credit risk relative to other fixed-income investments and have poor prospects for reaching investment grade standing. Issuers of below investment grade securities generally are not as strong financially as those issuers with higher credit ratings, and are more likely to encounter financial difficulties, especially during periods of rising interest rates or other unfavorable economic or market conditions. Below investment grade securities are subject to the increased risk of an issuer’s inability to meet principal and interest obligations and a greater risk of default. Some issuers of below investment grade bonds may be more likely to default as to principal or interest payments after the Fund purchases their securities. A default, or concerns in the market about an increase in risk of default or the deterioration in the creditworthiness of an issuer, may result in losses to the Fund. The Fund may incur higher expenses to protect its interests in such securities and may lose its entire investment in defaulted bonds. The secondary market for high-yield securities is concentrated in relatively few market makers and is dominated by institutional investors, including mutual funds, insurance companies, and other financial institutions. As a result, the secondary market for such securities is not as liquid as, and is more volatile than, the secondary market for higher rated securities. In addition, market trading volume for lower rated securities is generally lower and the secondary market for such securities could shrink or disappear suddenly and without warning as a result of adverse market or economic conditions, independent of any specific adverse changes in the condition of a particular issuer. Because of the lack of sufficient market liquidity, the Fund may incur losses if it is required to effect sales at a disadvantageous time and then only at a substantial drop in price. These factors may have an adverse effect on the market price and the Fund’s ability to dispose of particular portfolio investments. A less liquid secondary market also may make it more difficult for the Fund to obtain precise valuations of the below investment grade securities in its portfolio. |
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| Floating Rate Interest Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Floating Rate Interest Risk: Changes in short-term market interest rates may affect the yield on the Fund’s investments in floating rate debt. If short-term market interest rates fall, the yield on the Fund’s Shares will also fall. Conversely, when short-term market interest rates rise, because of the lag between changes in such short-term rates and the resetting of the floating rates on the floating rate debt in the Fund’s portfolio, the impact of rising rates may be delayed. Substantial increases in interest rates may cause an increase in issuer defaults, as issuers may lack resources to meet high debt service requirements. |
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| Liquidity Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Liquidity Risk: Many of the Fund’s investments may be illiquid. Liquidity risk exists when particular investments are difficult to purchase or sell at the time that the Fund would like or at the price that the Fund believes such investments are currently worth. Many of the Fund’s investments may be illiquid. Illiquid securities may become harder to value, especially in changing markets. The Fund’s investments in illiquid securities may reduce the returns of the Fund because it may be unable to sell the illiquid securities at an advantageous time or price or possibly require the Fund to dispose of other investments at unfavorable times or prices in order to satisfy its obligations, which could prevent the Fund from taking advantage of other investment opportunities. Additionally, the market for certain investments may become illiquid under adverse market or economic conditions independent of any specific adverse changes in the conditions of a particular issuer. The realizable value of a highly illiquid investment, at any given time, may be less than its intrinsic value. In addition, certain types of investments held by the Fund may require a substantial length of time to liquidate. Furthermore, to the extent the investment strategy of the Fund relies upon a certain set of market and economic conditions and such conditions do not materialize for an extended period of time, the Fund may not be able to invest a significant portion of the proceeds. There can be no assurance that the Fund will be able to generate returns for its investors or that the returns will be commensurate with the risks of investing in the type of portfolio investments and transactions described herein. Bond markets have consistently grown over the past three decades while the capacity for traditional dealer counterparties to engage in fixed income trading has not kept pace and in some cases has decreased. As a result, dealer inventories of corporate bonds, which provide a core indication of the ability of financial intermediaries to “make markets,” are at or near historic lows in relation to market size. Because market makers seek to provide stability to a market through their intermediary services, the significant reduction in dealer inventories could potentially lead to decreased liquidity and increased volatility in the fixed income markets. Such issues may be exacerbated during periods of economic uncertainty. In such cases, the Fund, due to limitations on investments in illiquid securities and the difficulty in purchasing and selling such securities or instruments, may be unable to achieve its desired level of exposure to a certain sector. To the extent that the Fund’s principal investment strategies involve securities of companies with smaller market capitalizations, foreign (non-U.S.) securities, Rule 144A securities, senior loans, illiquid sectors of fixed income securities, derivatives or securities with substantial market and/or credit risk, the Fund will tend to have the greatest exposure to liquidity risk. Further, fixed income securities with longer durations until maturity face heightened levels of liquidity risk as compared to fixed income securities with shorter durations until maturity. The risks associated with illiquid instruments may be particularly acute in situations in which the Fund’s operations require cash (such as in connection with repurchase offers) and could result in the Fund borrowing to meet its short-term needs or incurring losses on the sale of illiquid instruments. It may also be the case that other market participants may be attempting to liquidate fixed income holdings at the same time as the Fund, causing increased supply in the market and contributing to liquidity risk and downward pricing pressure. |
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| State and Territory Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | State and Territory Risk: From time to time, the Fund may be more exposed to risks affecting a particular state, territory (such as Puerto Rico), municipality, or region. As a result, adverse economic, political, and regulatory conditions affecting a single state, territory, municipality, or region (and their political subdivisions, agencies, instrumentalities, and public authorities) can disproportionately affect the Fund’s performance. For example, to the extent that the Fund invests a significant portion of its assets in the securities issued by the Commonwealth of Puerto Rico or its political subdivisions, agencies, instrumentalities, or public corporations (collectively referred to in this prospectus as “Puerto Rico” or the “Commonwealth”), it will be disproportionally affected by political, social and economic conditions and developments in the Commonwealth. In addition, economic, political or regulatory changes in that territory could adversely affect the value of the Fund’s investment portfolio. Puerto Rico has experienced significant fiscal and economic challenges, including substantial debt service obligations, high levels of unemployment, underfunded public retirement systems, and persistent government budget deficits. These challenges may negatively affect the value of the Fund’s investments in Puerto Rican municipal securities. Several major ratings agencies have downgraded the general obligation debt of Puerto Rico to below investment grade and continue to maintain a negative outlook for this debt, which increases the likelihood that the rating will be lowered further. Puerto Rico previously defaulted on its debt by failing to make full payment due on its outstanding bonds, and there can be no assurance that Puerto Rico will be able to satisfy its future debt obligations. |
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| Taxability Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Taxability Risk: There is a risk that a bond issued as tax-exempt may be reclassified by the IRS as taxable (for example, if the bond was issued in a transaction deemed by the IRS to be abusive), creating taxable rather than tax-exempt income. In addition, the Fund may invest up to 100% of its net assets in municipal bonds the interest on which may be subject to AMT and invest up to 20% of its net assets in fixed income securities that pay interest that is subject to regular U.S. federal income tax. The income from private activity bonds is an item of tax preference for purposes of AMT, which may cause the income to be taxable to you. For taxable years beginning after December 31, 2017, and before January 1, 2026, noncorporate shareholders are generally eligible for a higher AMT exemption amount. Individual shareholders should consult their tax advisers regarding their specific tax situation and the impact of such change. Additionally, the Fund’s use of derivatives may increase the amount of distributions taxable to you as ordinary income, increase or decrease the amount of capital gain distributions to you, and/or decrease the amount available for distribution to you as exempt-interest dividends. |
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| Tender Option Bond Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tender Option Bond Risk: The Fund may invest in trust certificates issued in tender option bond programs. In these programs, a trust typically issues two classes of certificates and uses the proceeds to purchase municipal securities having relatively long maturities and bearing interest at a fixed interest rate substantially higher than prevailing short-term tax-exempt rates. There is a risk that the Fund will not be considered the owner of a tender option bond for federal income tax purposes, and thus will not be entitled to treat such interest as exempt from federal income tax. Certain tender option bonds may be less liquid or may become less liquid as a result of, among other things, a credit rating downgrade, a payment default or a disqualification from tax-exempt status. The Fund’s investment in the securities issued by a tender option bond trust may involve greater risk and volatility than an investment in a fixed rate bond, and the value of such securities may decrease significantly when market interest rates increase. Tender option bond trusts could be terminated due to market, credit or other events beyond the Fund’s control, which could require the Fund to dispose of portfolio investments at inopportune times and prices. The Fund may use a tender option bond program as a way of achieving leverage in its portfolio, in which case the Fund will be subject to leverage risk. The use of tender option bonds will impact the Fund’s duration and cause the Fund to be subject to increased duration and interest rate risk. |
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| Zero Coupon, Deferred Interest, Pay-In-Kind, and Capital Appreciation Bonds Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Zero Coupon, Deferred Interest, Pay-In-Kind, and Capital Appreciation Bonds Risk: Zero coupon, deferred interest, and capital appreciation bonds are issued at a discount from their face value because interest payments typically are postponed until maturity. These securities also may take the form of debt securities that have been stripped of their unmatured interest coupons, the coupons themselves, or receipts or certificates representing interests in such stripped debt obligations or coupons. Pay-in-kind bonds allow the issuer, at its option, to make current interest payments on the bonds either in cash or in additional bonds. Similar to zero coupon bonds and deferred interest bonds, pay-in-kind securities are designed to give an issuer flexibility in managing cash flow. Pay-in-kind securities that are debt securities can be either senior or subordinated debt. As the buyer of these types of securities, the Fund will recognize a rate of return determined by the gradual appreciation of the security, which is redeemed at face value on a specified maturity date. The discount varies depending on the time remaining until maturity, as well as market interest rates, liquidity of the security, and the issuer’s perceived credit quality. The discount in the absence of financial difficulties of the issuer typically decreases as the final maturity date approaches. Moreover, unlike securities that periodically pay interest to maturity, zero coupon, deferred interest, capital appreciation, and pay-in-kind securities involve the additional risk that the Fund will realize no cash until a specified future payment date unless a portion of such securities is sold and, if the issuer of such securities defaults, the Fund may obtain no return at all on its investment. The values of zero-coupon and pay-in-kind bonds are more volatile in response to interest rate changes than debt obligations of comparable maturities and credit qualities that make regular distributions of interest. Under many market and other conditions, the market for zero-coupon, deferred interest and capital appreciation bonds and pay-in-kind securities may suffer decreased liquidity, making it difficult for the Fund to dispose of them or to determine their current value. Taxable income from these types of securities is accrued by the Fund without receiving regular interest payments in cash. As a result, the Fund may be required to sell portfolio securities in order to pay a dividend depending, among other things, upon the proportion of shareholders who elect to receive dividends in cash rather than reinvesting dividends in additional Shares of the Fund. In particular, pay-in-kind securities will give rise to taxable income which is required to be distributed for the Fund to maintain its qualification for treatment as a regulated investment company under the Code and avoid a Fund level tax even though the Fund holding the security receives no interest payments in cash on the security during the year. This may have a negative impact on the liquidity of the Fund because the Fund may be required to pay out as an income distribution an amount which is greater than the total amount of cash interest the Fund actually received in order to make the requisite distributions. Pay-in-kind securities generally carry higher interest rates compared to bonds that make cash payments of interest to reflect the time-value of money on deferred interest payments and increased credit risk of borrowers who may need to defer interest payments. Pay-in-kind securities generally involve significantly greater credit risk than coupon loans because the Fund receives no cash payments until the maturity date or a specified cash payment date. Even if accounting conditions are met for accruing income payable at a future date under a pay-in-kind bond, the issuer could still default when the collection date occurs at the maturity of or payment date for the pay-in-kind bond. Pay-in-kind bonds may be difficult to value accurately because they involve ongoing judgments as to the collectability of the deferred payments and the value of any associated collateral. If the issuer of a pay-in-kind security defaults the Fund may lose its entire investment. Generally, the deferral of pay-in-kind interest will increase the loan to value ratio, which is a measure of the riskiness of a loan or bond. |
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| Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: The Fund will be subject to credit risk with respect to prime brokers or the counterparties to the derivative contracts and other instruments entered into by the Fund or held by special purpose or structured vehicles in which the Fund invests. In the event that the Fund enters into a derivative transaction with a prime broker or counterparty that subsequently becomes insolvent or becomes the subject of an insolvency proceeding, the derivative transaction may be terminated in accordance with its terms and the Fund’s ability to realize its rights under the derivative instrument and its ability to distribute the proceeds could be adversely affected. If a prime broker or counterparty becomes bankrupt or otherwise fails to perform its obligations under a derivative contract due to financial difficulties, the Fund may experience significant delays in obtaining any recovery (including recovery of any collateral it has provided to the counterparty) in a dissolution, assignment for the benefit of creditors, liquidation, winding-up, bankruptcy, or other analogous proceeding. In addition, in the event of the insolvency of a counterparty to a derivative transaction, the derivative transaction would typically be terminated at its fair market value. If the Fund is owed this fair market value in the termination of the derivative transaction and its claim is unsecured, the Fund will be treated as a general creditor of such counterparty, and will not have any claim with respect to any underlying security or asset. The Fund may obtain only a limited recovery or may obtain no recovery in such circumstances. When the Fund enters into a cleared derivative transaction, it is subject to the credit risk of the clearinghouse and the member of the clearinghouse through which it holds its position. |
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| Issuer Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Issuer Risk: The value of a security may decline for a number of reasons that directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer’s goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets. A change in the financial condition of a single issuer may affect securities markets as a whole. These risks can apply to the Shares issued by the Fund and to the issuers of securities and other instruments in which the Fund invests. |
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| Other Investment Companies Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Other Investment Companies Risk: The Fund may invest in securities of other pooled investment vehicles (including those advised or subadvised by the Adviser or its affiliates), including mutual funds, money market funds, closed-end funds, BDCs, ETFs, and underlying funds. With respect to listed closed‑end funds and ETFs, the market value of their shares may differ from the NAV of the particular fund. To the extent the Fund invests a portion of its assets in a pooled investment vehicle, those assets will be subject to the risks of the purchased fund’s portfolio securities. In addition, if the Fund invests in such investment companies or investment funds, the Fund’s shareholders will bear not only their proportionate share of the expenses of the Fund, but also will indirectly bear similar expenses of the underlying investment company. In addition, the securities of these pooled investment vehicles may also be leveraged and will therefore be subject to the same leverage risks described herein. |
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| Credit Default Swaps Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Credit Default Swaps Risk: Credit default swap agreements (including a swap on a credit default index, sometimes referred to as a credit default swap index) may involve greater risks than if the Fund had invested in the reference obligation directly since, in addition to general market risks, credit default swaps are subject to illiquidity risk, counterparty risk and credit risk. A buyer generally also will lose its investment and recover nothing should no credit event occur and the swap is held to its termination date. If a credit event were to occur, the value of any deliverable obligation received by the seller (if any), coupled with the upfront or periodic payments previously received, may be less than the full notional value it pays to the buyer, resulting in a loss of value to the seller. When the Fund acts as a seller of a credit default swap, it is exposed to many of the same risks of leverage described herein since if an event of default occurs, the seller must pay the buyer the full notional value of the reference obligation. Although the Fund may seek to realize gains by selling credit default swaps that increase in value, to realize gains on selling credit default swaps, an active secondary market for such instruments must exist or the Fund must otherwise be able to close out these transactions at advantageous times. In addition to the risk of losses described above, if no such secondary market exists or the Fund is otherwise unable to close out these transactions at advantageous times, selling credit default swaps may not be profitable for the Fund. The Fund will be subject to credit risk with respect to the counterparties to the credit default swap contract (whether a clearing corporation in the case of a cleared credit default swap or another third party in the case of an uncleared credit default swap). If a counterparty’s credit becomes significantly impaired, multiple requests for collateral posting in a short period of time could increase the risk that the Fund may not receive adequate collateral. The Fund may exit its obligations under a credit default swap only by terminating the contract and paying applicable breakage fees, or by entering into an offsetting credit default swap position, which may cause the Fund to incur more losses. The Fund may be unable to exit a credit default swap. The Fund’s return from investment in a credit default swap index may not match the return of the referenced index. Further, investment in a credit default swap index could result in losses if the referenced index does not perform as expected. Unexpected changes in the composition of the index may also affect performance of the credit default swap index. If a referenced index has a dramatic intraday move that causes a material decline in the Fund’s net assets, the terms of the Fund’s credit default swap index may permit the counterparty to immediately close out the transaction. In that event, the Fund may be unable to enter into another credit default swap index or otherwise achieve desired exposure, even if the referenced index reverses all or a portion of its intraday move. |
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| Private Placements Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Private Placements Risk: A private placement involves the sale of securities that have not been registered under the Securities Act, or relevant provisions of applicable non-U.S. law, to certain institutional and qualified individual purchasers, such as the Fund. In addition to the general risks to which all securities are subject, securities received in a private placement generally are subject to strict restrictions on resale, and there may be no liquid secondary market or ready purchaser for such securities, and a liquid secondary market may never develop. Therefore, the Fund may be unable to dispose of such securities when it desires to do so, or at the most favorable time or price. Private placements may also raise valuation risks. |
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| Risk of Regulatory Changes [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Risk of Regulatory Changes: Legal, tax and regulatory changes could occur and may adversely affect the Fund and its ability to pursue its investment strategies and/or increase the costs of implementing such strategies. New (or revised) laws or regulations may be imposed by the CFTC, the SEC, the IRS, the Fed or other banking regulators, other governmental regulatory authorities or self-regulatory organizations that supervise the financial markets that could adversely affect the Fund. In particular, these agencies have implemented a variety of rules pursuant to financial reform legislation in the United States. The EU, UK (and some other countries) are implementing similar requirements. The Fund also may be adversely affected by changes in the enforcement or interpretation of existing statutes and rules by governmental regulatory authorities, self-regulatory organizations or courts. In addition, the securities and futures markets are subject to comprehensive statutes, regulations and margin requirements. The CFTC, the SEC, the Federal Deposit Insurance Corporation, other regulators and self-regulatory organizations and exchanges are authorized under these statutes, regulations and otherwise to take extraordinary actions in the event of market emergencies. To the extent the Fund and the Adviser are or have historically been eligible for exemptions from certain regulations, there is no assurance that the Fund and the Adviser will continue to be eligible for such exemptions. The CFTC and certain futures exchanges have established (and continue to evaluate and revise) limits, referred to as “position limits,” on the maximum net long or net short positions which any person or entity may hold or control in particular futures and options on futures contracts. In addition, federal position limits apply to swaps that are economically equivalent to futures contracts that are subject to CFTC-set limits. All positions owned or controlled by the same person or entity, even if in different accounts, must be aggregated for purposes of determining whether the applicable position limits have been exceeded, unless an exemption applies. Thus, even if the Fund does not intend to exceed applicable position limits, it is possible that positions of different clients managed by the Adviser and its related parties may be aggregated for this purpose. Therefore it is possible that the trading decisions of the Adviser may have to be modified and that positions held by the Fund may have to be liquidated in order to avoid exceeding such limits. The modification of investment decisions or the elimination of open positions, if it occurs, may adversely affect the performance of the Fund. A violation of position limits could also lead to regulatory action materially adverse to the Fund’s investment strategy. The SEC has in the past adopted interim rules requiring reporting of all short positions above a certain de minimis threshold and may adopt rules requiring monthly public disclosure in the future. In addition, other non-U.S. jurisdictions where the Fund may trade have adopted reporting requirements. If the Fund’s short positions or its strategy become generally known, it could have a significant effect on the Adviser’s ability to implement its investment strategy. In particular, it would make it more likely that other investors could cause a short squeeze in the securities held short by the Fund forcing the Fund to cover its positions at a loss. Such reporting requirements may also limit the Adviser’s ability to access management and other personnel at certain companies where the Adviser seeks to take a short position. In addition, if other investors engage in copycat behavior by taking positions in the same issuers as the Fund, the cost of borrowing securities to sell short could increase drastically and the availability of such securities to the Fund could decrease drastically. Such events could make the Fund unable to execute its investment strategy. In addition, if the SEC were to adopt restrictions regarding short sales, they could restrict the Fund’s ability to engage in short sales in certain circumstances, and the Fund may be unable to execute its investment strategies as a result. The SEC and regulatory authorities in other jurisdictions may adopt (and in certain cases, have adopted) bans on short sales of certain securities (or short positions acquired through swaps) in response to market events. Bans on short selling may have a material adverse effect on the Fund’s ability to generate returns. New international capital and liquidity requirements introduced under the Basel III Accords and rules implementing the Dodd-Frank Act with respect to asset-backed securities could negatively affect the returns on the Fund’s investment in asset-backed securities. For example, the U.S. credit risk retention regulations require the sponsor of certain securitization vehicles (or a majority owned affiliate of such sponsor) to retain, and to refrain from transferring, selling, conveying to a third party, or hedging 5% of the credit risk in assets transferred, sold, or conveyed through the issuance of the asset-backed securities of such vehicle, subject to certain exceptions. The rules apply to offerings of RMBS occurring on and after December 24, 2015 and to offerings of other types of asset-backed securities occurring on and after December 24, 2016, subject to certain exceptions. In addition, the SEC recently promulgated Rule 192 under the Securities Act, which applies to asset-backed securities issued on or after June 9, 2025. Rule 192 generally prohibits securitization sponsors, underwriters, initial purchasers, placement agents and certain of their affiliates and subsidiaries from entering into certain specified transactions that constitute a “conflicted transaction” with respect to the relevant asset-backed security, including short sales, credit derivatives and other credit hedging instruments, and similar instruments or transactions, subject to a materiality standard, unless certain exceptions apply. The regulations implementing the Dodd-Frank Act with respect to asset-backed securities are subject to varying interpretations, and there is little judicial or regulatory guidance available. These requirements may increase the costs to originators, securitizers, and, in certain cases, collateral managers of securitization vehicles in which the Fund may invest, which costs could be passed along to such Fund as an investor in such vehicles. In addition, the costs imposed by the regulations implementing the Dodd-Frank Act on originators, securitizers and/or collateral managers may result in a reduction of the number of new offerings of asset-backed securities and thus in fewer investment opportunities for the Fund, and Rule 192 may impose limitations on the ability of broker-dealers to make a market in certain asset-backed securities, which could have an adverse effect on the liquidity, and therefore the market value, of the Fund’s asset-backed securities investments. A reduction in the number of new securitizations or a limitation on the ability of broker-dealers to make a market in asset-backed securities could also reduce liquidity in the markets for certain types of financial assets that are typically held by securitization vehicles, which in turn could negatively affect the returns on the Fund’s investment in asset-backed securities. Rule 18f-4 under the 1940 Act regulates registered investment companies’ use of derivatives and certain related instruments (e.g., short sale borrowings and, if the Fund elects to treat as a derivatives transaction, reverse repurchase agreements or similar financing transactions). This rule, among other things, limits derivatives exposure through a value-at-risk test, requires funds to adopt and implement a derivatives risk management program (including the appointment of a derivatives risk manager and the implementation of certain testing requirements), and subjects funds to certain reporting requirements in respect of derivatives. To the extent the Fund uses derivative transactions (excluding certain currency and interest rate hedging transactions) in a limited amount, it will not be subject to the full requirements of Rule 18f-4. |
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| Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Repurchase Agreement Risk: The Fund may enter into repurchase agreements, in which the Fund purchases a security from a bank or broker-dealer, which agrees to repurchase the security at the Fund’s cost plus interest within a specified time. If the party agreeing to repurchase should default, the Fund will seek to sell the securities which it holds. This could involve procedural costs or delays in addition to a loss on the securities if their value should fall below their repurchase price. Repurchase agreements maturing in more than seven days and which may not be terminated within seven days at approximately the amount at which the Fund has valued the agreements are considered illiquid securities. These events could also trigger adverse tax consequences for the Fund. |
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| Distribution Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Distribution Risk: The Fund’s distribution rate may be affected by numerous factors, including but not limited to changes in realized and projected market returns, fluctuations in market interest rates, Fund performance, and other factors. The Fund may make distributions in excess of its net income, resulting in a return of capital to shareholders. Diminution in the size of the Fund through returns of capital may limit the ability of the Fund to participate in new investment opportunities. Distributions that are returns of capital for tax purposes will reduce a shareholder’s tax basis in outstanding shares of the Fund and will result in capital gain to the shareholder to the extent such distributions exceed the shareholder’s tax basis in Fund Shares. |
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| Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund’s use of leverage creates the opportunity for increased net income to common Shares, but also creates special risks for shareholders. To the extent used, there is no assurance that the Fund’s leveraging strategies will be successful. Leverage is a speculative technique that may expose the Fund to greater risk and increased costs. The net proceeds that the Fund obtains from its use of inverse floating rate securities, credit default swaps, dollar rolls and/or borrowings (as well as from any future issuance of preferred shares) will be invested in accordance with the Fund’s investment objectives and policies as described in this prospectus and any prospectus supplement. Interest or other expenses payable by the Fund with respect to its inverse floating rate securities, credit default swaps, dollar rolls and borrowings (or dividends payable with respect to any outstanding preferred shares) will generally be based on shorter-term interest rates that would be periodically reset. So long as the Fund’s portfolio investments provide a higher rate of return (net of applicable Fund expenses) than the interest rates and other costs to the Fund of such leverage, the investment of the proceeds thereof will generate more income than will be needed to pay the costs of the leverage. If so, and all other things being equal, the excess may be used to pay higher dividends to shareholders than if the Fund were not so leveraged. If, however, shorter-term interest rates rise relative to the rate of return on the Fund’s portfolio, the interest and other costs to the Fund of leverage (including interest expenses on dollar rolls and borrowings and the dividend rate on any outstanding preferred shares) could exceed the rate of return on the debt obligations and other investments held by the Fund, thereby reducing returns to shareholders. In addition, fees and expenses of any form of leverage used by the Fund will be borne entirely by the shareholders (and not by preferred shareholders, if any) and will reduce the investment return of the Shares. Therefore, there can be no assurance that the Fund’s use of leverage will result in a higher yield on the Shares, and it may result in losses. In addition, any preferred shares issued by the Fund are expected to pay cumulative dividends, which may tend to increase leverage risk. Leverage creates several major types of risks for shareholders, including: ● the likelihood of greater volatility of NAV of Shares, and of the investment return to shareholders, than a comparable portfolio without leverage; ● the possibility either that Share dividends will fall if the interest and other costs of leverage rise, or that dividends paid on Shares will fluctuate because such costs vary over time; and ● the effects of leverage in a declining market or a rising interest rate environment, as leverage is likely to cause a greater decline in the NAV of the Shares than if the Fund were not leveraged. If the costs of any leverage used by the Fund exceed the income from portfolio securities acquired through the use of such leverage, the Fund’s NAV would decline. A decline in the Fund’s NAV could affect the ability of the Fund to pay dividends or make distributions to shareholders. A failure by the Fund to distribute an adequate proportion of its net investment income in the form of dividends each taxable year may result in the Fund ceasing to qualify as a regulated investment company under the Code. See “Tax Matters” below for additional information. Also, the counterparties to the Fund’s leveraging transactions and any preferred shareholders of the Fund will have priority of payment over the Fund’s shareholders. The Fund may engage in various types of transactions that give rise to a form of leverage including, among others, investments in inverse floaters, entering into a credit facility or the use of derivatives instruments such as futures and forward contracts (including foreign currency exchange contracts), credit default swaps, total return swaps, basis swaps and other derivative transactions, loans of portfolio securities, short sales and when-issued, delayed delivery and forward commitment transactions). The Fund’s use of such transactions gives rise to associated leverage risks described above, and may adversely affect the Fund’s income, distributions and total returns to shareholders. The Fund may offset derivatives positions against one another or against other assets to manage effective market exposure resulting from derivatives in its portfolio. To the extent that any offsetting positions do not behave in relation to one another as expected, the Fund may perform as if it is leveraged through use of these derivative strategies. |
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| Tax Treatment Limitations and Potential Changes in Tax Treatment Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Treatment Limitations and Potential Changes in Tax Treatment Risk: The Fund intends to elect to be taxed and to qualify annually thereafter as a “regulated investment company” under subchapter M of the Code. In order to qualify as a regulated investment company under subchapter M, at least 90% of the Fund’s gross income for each taxable year must be “qualifying income.” The Fund’s intention to qualify as a regulated investment company under the Code may limit the Fund’s ability to invest in certain investments, especially commodity related investments, which may offer the potential to hedge against inflation and any such investments may bear adversely on the Fund’s ability to so qualify. In addition, the Fund’s transactions in futures, swaps and other derivatives could also result in the Fund realizing more short-term capital gain and ordinary income (both subject to ordinary income tax rates) than otherwise would be the case if the Fund did not invest in such instruments. To the extent that the Fund invests in this manner, the realization of short-term capital gain and ordinary income may impact the amount, timing, and character of the Fund’s distributions to shareholders and the Fund’s after-tax returns. |
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| Non-Diversification Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversification Risk: The Fund is “non-diversified,” which means that the Fund may invest a significant portion of its assets in the securities of a small number of issuers than a diversified fund. A fund that invests in a relatively smaller number of issuers is more susceptible to risks associated with a single economic, political or regulatory occurrence than a diversified fund might be. Some of those issuers also may present substantial credit or other risks. Similarly, the Fund may be subject to increased economic, business or political risk to the extent that it invests a substantial portion of its assets in a particular currency, in a group of related industries, in a particular issuer, in the bonds of similar projects or in a narrowly defined geographic area outside the U.S. |
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| Cyber Security Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Cyber Security Risk: As the use of technology has become more prevalent in the course of business, Lord Abbett and other service providers have become more susceptible to operational and information security risks. Cyber incidents can result from deliberate attacks or unintentional events and include, but are not limited to, gaining unauthorized access to electronic systems for purposes of misappropriating assets, personally identifiable information (“PII”) or proprietary information (e.g., trading models and algorithms), corrupting data, or causing operational disruption, for example, by compromising trading systems or accounting platforms. Other ways in which the business operations of Lord Abbett, other service providers, or issuers of securities in which Lord Abbett invests a shareholder’s assets may be impacted include interference with a shareholder’s ability to value its portfolio, the unauthorized release of PII or confidential information, and violations of applicable privacy, recordkeeping and other laws. A shareholder and/or its account could be negatively impacted as a result. While Lord Abbett has established internal risk management security protocols designed to identify, protect against, detect, respond to and recover from cyber security incidents, there are inherent limitations in such protocols including the possibility that certain threats and vulnerabilities have not been identified or made public due to the evolving nature of cyber security threats. Furthermore, Lord Abbett cannot control the cyber security systems of third party service providers or issuers. Any problems relating to the performance and effectiveness of security procedures used by a Fund or its service providers to protect the Fund’s assets, such as algorithms, codes, passwords, multiple signature systems, encryption and telephone call-backs, may have an adverse impact on the Fund or its investors. Furthermore, as the Fund’s assets grow, it may become a more appealing target for cybersecurity threats such as hackers and malware. Geopolitical tensions could increase the scale and sophistication of deliberate cybersecurity attacks, particularly those from nation-states or from entities with nation-state backing. There currently is no insurance policy available to cover all of the potential risks associated with cyber incidents. Unless specifically agreed by Lord Abbett separately or required by law, Lord Abbett is not a guarantor against, or obligor for, any damages resulting from a cyber-security-related incident. |
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| Artificial Intelligence Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Artificial Intelligence Risk: Lord Abbett may utilize AI in its business operations, and the challenges with properly managing its use could result in reputational harm, competitive harm, legal liability, and/or an adverse effect on Lord Abbett’s business operations. Certain types of convertible securities may decline in value or lose their value entirely in the event that the issuer’s financial conditions become significantly impaired. AI models may rely on techniques such as natural language processing and machine learning, which are less transparent or interpretable and may produce unexpected results, which could adversely impact the Fund. If the content, analyses, or recommendations that AI applications assist Lord Abbett in producing are or are alleged to be deficient, inaccurate, or biased, the Fund may be adversely affected. Additionally, AI tools used by Lord Abbett may produce inaccurate, misleading or incomplete responses that could lead to errors in Lord Abbett’s and its employees’ decision-making, portfolio management or other business activities, which could have a negative impact on the performance of the Fund. Such AI tools could also be used against Lord Abbett or the Fund and its investments in criminal or negligent ways. Lord Abbett’s competitors or other third parties could incorporate AI into their products more quickly or more successfully, which could impair Lord Abbett’s ability to compete effectively. Legal and regulatory changes, particularly related to information privacy and data protection, may have an impact on AI, and may additionally impact Lord Abbett and the Fund. |
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| Operational Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Operational Risk: The Fund is also subject to the risk of loss as a result of other services provided by the Adviser and its affiliates and other service providers, including pricing, administrative, accounting, tax, legal, custody, transfer agency, and other services. Operational risk includes the possibility of loss caused by inadequate procedures and controls, human error, and system failures by a service provider; each of which may negatively affect the Fund’s performance. For example, trading delays or errors could prevent the Fund from benefiting from potential investment gains or avoiding losses. In addition, a service provider may be unable to provide a NAV for the Fund or share class on a timely basis. Similar types of operational risks also are present for issuers of securities in which the Fund invests, which could result in material adverse consequences for such issuers, and may cause the Fund’s investment in such securities to lose value. |
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| Business Continuity Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Business Continuity Risk: Lord Abbett has developed a Business Continuity Program (the “Program”) that is designed to minimize the disruption of normal business operations in the event of an adverse incident impacting Lord Abbett, its affiliates, or the Fund. While Lord Abbett believes that the Program should enable it to reestablish normal business operations in a timely manner in the event of an adverse incident, there are inherent limitations in such programs (including the possibility that contingencies have not been anticipated and procedures do not work as intended) and under some circumstances, Lord Abbett, its affiliates, and any vendors used by Lord Abbett, its affiliates, or the Fund could be prevented or hindered from providing services to the Fund for extended periods of time. These circumstances may include, without limitation, acts of God, acts of governments, any act of declared or undeclared war or of a public enemy (including acts of terrorism), power shortages or failures, utility or communication failure or delays, labor disputes, strikes, shortages, supply shortages, system failures or malfunctions. The Fund’s ability to recover any losses or expenses it incurs as a result of a disruption of business operations may be limited by the liability, standard of care, and related provisions in its contractual arrangements with Lord Abbett and other service providers. |
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| Market Disruption and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market Disruption and Geopolitical Risk: Geopolitical and other events (e.g., tariffs and other trade barriers, wars, terrorism, natural disasters, infectious illness outbreaks, epidemics or pandemics), or the threat of or potential for one or more such events, may disrupt securities markets and adversely affect global economies and markets, thereby decreasing the value of the Fund’s investments. Sudden or significant changes in the supply or prices of commodities or other economic inputs may have material and unexpected effects on both global securities markets and individual countries, regions, sectors, companies, or industries, which could significantly reduce the value of the Fund’s investments. Wars, terrorist attacks, natural disasters, infectious illness outbreaks, epidemics or pandemics could result in unplanned or significant securities market closures or declines. Securities markets also may be susceptible to market manipulation or other fraudulent trading practices, which could disrupt the orderly functioning of markets, increase overall market volatility, or reduce the value of investments traded in them, including investments of the Fund. Instances of fraud and other deceptive practices committed by senior management of certain companies in which the Fund invests may undermine Lord Abbett's due diligence efforts with respect to such companies, and if such fraud is discovered, negatively affect the value of the Fund’s investments. Financial fraud also may impact the rates or indices underlying the Fund’s investments. While the U.S. Government has always honored its credit obligations, a default by the U.S. Government (as has been threatened over the years) would be highly disruptive to the U.S. and global securities markets and could significantly reduce the value of the Fund’s investments. Similarly, political events within the United States at times have resulted, and may in the future result, in a shutdown of government services, which could adversely affect the U.S. economy, decrease the value of many Fund investments, and increase uncertainty in or impair the operation of the U.S. or other securities markets. Substantial government interventions (e.g., currency controls) also could adversely affect the Fund. War, terrorism, economic uncertainty, and related geopolitical events have led, and in the future may lead, to increased short-term market volatility and may have adverse long-term effects on U.S. and world economies and markets generally. Likewise, sanctions threatened or imposed by jurisdictions, including the United States, against a country or entities or individuals in another country (such as sanctions imposed against Russia, Russian entities and Russian individuals in connection with Russia’s invasion of Ukraine in 2022) may impair the value and liquidity of securities issued by issuers in such country and may result in the Fund using fair valuation procedures to value such securities. While the Fund does not have significant investments in securities affected by sanctions, sanctions, or the threat of sanctions (including any retaliatory responses to such sanctions), may cause volatility in regional and global markets and may negatively impact the performance of various sectors and industries, as well as companies in other countries, including through global supply chain disruptions, increased inflationary pressures and reduced economic activity, which could have a negative effect on the performance of the Fund. Furthermore, if after investing in the Fund an investor is included on a sanctions list, the Fund may be required to cease any further dealings with the investor’s interest in the Fund until such sanctions are lifted or a license is sought under applicable law to continue dealings. Although Lord Abbett expends significant effort to comply with the sanctions regimes in the countries where it operates, one of these rules could be violated by Lord Abbett’s or the Fund's activities or investors, which would adversely affect the Fund. In addition, natural and environmental disasters, (e.g., earthquakes, tsunamis, hurricanes), infectious illness outbreaks, epidemics or pandemics, and systemic market dislocations have been highly disruptive to economies and markets, adversely affecting individual companies and industries, securities markets, interest rates, credit ratings, inflation, investor sentiment, and other factors affecting the value of the Fund’s investments. During such market disruptions, the Fund’s exposure to the risks described elsewhere in the “Principal Risks” section of the prospectus will likely increase. Market disruptions and sudden government interventions can also prevent the Fund from implementing its investment strategies and achieving its investment objective. The foregoing could disrupt the operations of the Fund and its service providers, adversely affect the value and liquidity of the Fund’s investments, and negatively impact the Fund’s performance and an investment in the Fund. Adverse developments that affect financial institutions or the financial services industry generally, or concerns or rumors about any events of these kinds or other similar risks, may reduce liquidity in the market generally or have other adverse effects on the economy, the Fund or issuers in which the Fund invests. In addition, issuers in which the Fund invests and the Fund may not be able to identify all potential solvency or stress concerns with respect to a financial institution or to transfer assets from one bank or financial institution to another in a timely manner in the event such bank or financial institution comes under stress or fails. Advancements in technology may also adversely impact markets and the overall performance of the Fund. For instance, the economy may be significantly impacted by the advanced development and increased regulation of technology. As the use of technology grows, liquidity and market movements may be affected. As technology is used more widely in the asset management industry, the profitability and growth of Fund holdings may be impacted, which could significantly impact the overall performance of the Fund. |
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| Valuation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Valuation Risk: The valuation of the Fund’s investments involves subjective judgment. There can be no assurance that the Fund will value its investments in a manner that accurately reflects their current market values or that the Fund will be able to sell any investment at a price equal to the valuation ascribed to that investment for purposes of calculating the Fund’s NAV. Incorrect valuations of the Fund’s portfolio holdings could result in the Fund’s shareholder transactions being effected at a NAV that does not accurately reflect the underlying value of the Fund’s portfolio, resulting in the dilution of shareholder interests. |
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| Interest Rate Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General Description of Registrant [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Interest Rate Risk: As interest rates rise, prices of bonds (including tax-exempt bonds) generally fall, typically causing the Fund’s investments to lose value. Additionally, rising interest rates or lack of market participants may lead to decreased liquidity in fixed income markets. Interest rate changes generally have a more pronounced effect on the market value of fixed-rate instruments, such as corporate bonds, than they have on floating rate instruments, and typically have a greater effect on the price of fixed income securities with longer durations. Interest rate changes can be sudden and unpredictable, and the Fund may lose money as a result of movements in interest rates. A wide variety of market factors can cause interest rates to rise, including central bank monetary policy, rising inflation, and changes in general economic conditions. To the extent the Fund invests in floating rate instruments, changes in short-term market interest rates may affect the yield on those investments. If short-term market interest rates fall, the yield on the Fund’s shares will also fall. Conversely, when short-term market interest rates rise, because of the lag between changes in such short-term rates and the resetting of the floating rates on the floating rate debt in the Fund’s portfolio, the impact of rising rates may be delayed. To the extent the Fund invests in fixed rate instruments, fluctuations in the market price of such investments may not affect interest income derived from those instruments, but may nonetheless affect the Fund’s NAV, especially if the instrument has a longer maturity. Substantial increases in interest rates may cause an increase in issuer defaults, as issuers may lack resources to meet higher debt service requirements. |
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| Business Contact [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cover [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, Address Line One | Dechert LLP | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, Address Line Two | 1900 K Street, N.W. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, City or Town | Washington, D.C. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Address, Postal Zip Code | 20006 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Contact Personnel Name | William Bielefeld, Esq.Matthew Barsamian, Esq. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Initial Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Transaction Fees Basis, Note [Text Block] | as a percentage of offering price | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Transaction Fees Basis, Note [Text Block] | as a percentage of offering price or repurchase proceeds, whichever is lower | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| After Fee Waiver and/or Expense Reimbursement [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Transaction Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Management Fees [Percent] | 0.25% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class A [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividend Reinvestment and Cash Purchase Fees | $ 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Transaction Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Management Fees [Percent] | 0.65% | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest Expenses on Borrowings [Percent] | 0.47% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distribution/Servicing Fees [Percent] | 0.75% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expense 1 [Percent] | 0.99% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Percent] | 0.52% | [2] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Annual Expenses [Percent] | 2.39% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Waivers and Reimbursements of Fees [Percent] | (0.92%) | [3] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Year 01 | $ 40 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 3 | 89 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 5 | 141 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 10 | $ 284 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Security Title [Text Block] | Class A | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class A [Member] | Initial Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sales Load [Percent] | 2.50% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class A [Member] | Deferred Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sales Load [Percent] | 1.50% | [4] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class A [Member] | After Fee Waiver and/or Expense Reimbursement [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Annual Expenses [Percent] | 1.47% | [3] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class I [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividend Reinvestment and Cash Purchase Fees | $ 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Transaction Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Management Fees [Percent] | 0.65% | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest Expenses on Borrowings [Percent] | 0.47% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distribution/Servicing Fees [Percent] | 0.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expense 1 [Percent] | 0.99% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Percent] | 0.52% | [2] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Annual Expenses [Percent] | 1.64% | [5] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Waivers and Reimbursements of Fees [Percent] | (0.92%) | [3] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Year 01 | $ 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 3 | 43 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 5 | 80 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 10 | $ 187 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Security Title [Text Block] | Class I | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class I [Member] | Initial Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sales Load [Percent] | 0.00% | [6] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class I [Member] | Deferred Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sales Load [Percent] | 0.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class I [Member] | After Fee Waiver and/or Expense Reimbursement [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Annual Expenses [Percent] | 0.72% | [3] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class U [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividend Reinvestment and Cash Purchase Fees | $ 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Transaction Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Management Fees [Percent] | 0.65% | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest Expenses on Borrowings [Percent] | 0.47% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distribution/Servicing Fees [Percent] | 0.75% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expense 1 [Percent] | 0.99% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Percent] | 0.52% | [2] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Annual Expenses [Percent] | 2.39% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Waivers and Reimbursements of Fees [Percent] | (0.92%) | [3] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Year 01 | $ 15 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 3 | 66 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 5 | 119 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Example, Years 1 to 10 | $ 266 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Security Title [Text Block] | Class U | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class U [Member] | Initial Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sales Load [Percent] | 0.00% | [6] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class U [Member] | Deferred Sales [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fee Table [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sales Load [Percent] | 0.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class U [Member] | After Fee Waiver and/or Expense Reimbursement [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Annual Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Annual Expenses [Percent] | 1.47% | [3] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||