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Lazard Enhanced Opportunities Portfolio  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Lazard Enhanced Opportunities Portfolio
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The Portfolio seeks current income and long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Portfolio, a series of The Lazard Funds, Inc. (the “Fund”). You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and the Example below.
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Portfolio Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination April 29, 2023
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Portfolio pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Portfolio shares are held in a taxable account. These costs, which are not reflected in annual portfolio operating expenses or in the Example, affect the Portfolio’s performance. During the most recent fiscal year, the Portfolio’s portfolio turnover rate was 168% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 168.00%
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This Example is intended to help you compare the cost of investing in the Portfolio with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Portfolio for the time periods indicated and then hold or redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Portfolio’s operating expenses remain the same, giving effect to the expense limitation agreement in year one only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

The Portfolio seeks to achieve its investment objective over a full market cycle through a hedged strategy investing primarily in convertible fixed income and preferred securities (including those rated below investment grade (“junk”)). The strategy utilizes a relative value approach, focusing on convertible securities that are considered to have low volatility. It is expected that the Portfolio will invest primarily in small and mid cap companies. The Portfolio also will utilize selective strategy level and position level hedges, primarily through short selling and derivatives, seeking to minimize macro risk (equity and credit) and interest rate risk. The Portfolio may invest in convertible debt and preferred securities of any maturity and any quality. Convertible securities held in the Portfolio generally are expected to have maturities between three and seven years at the time of investment, or between five and seven years if invested at issuance. Preferred securities generally are of perpetual maturities, callable at various points determined by the issuer. The Portfolio management team utilizes bottom up fundamental credit, equity and quantitative analysis in conjunction with top down macroeconomic analysis to identify individual securities believed to offer compelling value versus comparable risk return.

The Portfolio will generally have short positions through selling securities “short” and through investments in derivative instruments, principally swap agreements on individual securities, and may use short positions to seek to increase returns or to reduce risk. A short sale involves the sale of a security that the Portfolio does not own in the expectation of purchasing the same security (or a security exchangeable therefor) at a later date and at a lower price and profiting from the price decline. Similarly, when taking short positions with respect to securities through investments in derivative instruments, the Investment Manager is expecting the value of such securities to fall during the period of the Portfolio’s investment exposure.

Although the Portfolio’s investment focus is US companies, the Portfolio also may invest in non-US companies, including depositary receipts and shares. At certain times, based on the currently existing market environment, the Investment Manager may not believe it is able to find sufficient opportunities to invest in convertible fixed income and preferred securities and/or take short positions and may determine to tactically shift the Portfolio to invest substantially in money market instruments, such as short-term US Treasury securities and certificates of deposit.

The Portfolio may invest in exchange-traded open-end management investment companies (“ETFs”), generally those that pursue a passive index-based strategy.

In addition, the Portfolio may, but is not required to (1) enter into futures and forward currency contracts and equity, interest rate, credit default and currency swap agreements; and (2) write put and call options on securities (including shares of ETFs), indexes and currencies, in each case for hedging purposes or to seek to increase returns.

It is expected that the Portfolio will buy and sell securities, and take short positions in securities, frequently in connection with implementing its investment strategy.

The Portfolio is classified as “non-diversified” under the Investment Company Act of 1940, as amended (the “1940 Act”), which means that it may invest a relatively high percentage of its assets in a limited number of issuers, when compared to a diversified fund.
Risk [Heading] rr_RiskHeading Principal Investment Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

The value of your investment in the Portfolio will fluctuate, which means you could lose money.

Market Risk. The Portfolio may incur losses due to declines in one or more markets in which it invests. These declines may be the result of, among other things, political, regulatory, market, economic or social developments affecting the relevant market(s). To the extent that such developments impact specific industries, market sectors, countries or geographic regions, the Portfolio’s investments in such industries, market sectors, countries and/or geographic regions can be expected to be particularly affected, especially if such investments are a significant portion of its investment portfolio. In addition, turbulence in financial markets and reduced liquidity in equity, credit and/or fixed income markets may negatively affect many issuers, which could adversely affect the Portfolio. Global economies and financial markets are increasingly interconnected, and conditions and events in one country, region or financial market may adversely impact issuers worldwide. As a result, local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, recessions or other events could have a significant negative impact on global economic and market conditions. The coronavirus disease 2019 (COVID-19) global pandemic and the aggressive responses taken by many governments or voluntarily imposed by private parties, including closing borders, restricting travel and imposing prolonged quarantines or similar restrictions, as well as the closure of, or operational changes to, many retail and other businesses, has had negative impacts, and in many cases severe negative impacts, on markets worldwide. It is not known how long the effects of such impacts, or any future impacts of other significant events described above, will or would last, but there could be a prolonged period of global economic slowdown, which may be expected to impact the Portfolio and its investments.

Issuer Risk. The value of a security may decline for a number of reasons which 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 or factors unrelated to the issuer’s value, such as investor perception.

Convertible Securities Risk. The market value of convertible securities may perform like that of non-convertible fixed income securities; that is, their prices move inversely with changes in interest rates (i.e., as interest rates go up, prices go down). In addition, convertible securities are subject to the risk that the issuer will not make interest or principal payments, or will not make payments on a timely basis. Since it derives a portion of its value from the common stock into which it may be converted, a convertible security also is subject to the same types of market and issuer risks that apply to the underlying common stock.

Fixed-Income and Debt Securities Risk. The market value of a debt security may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The debt securities market can be susceptible to increases in volatility and decreases in liquidity. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening.

Prices of bonds and other debt securities tend to move inversely with changes in interest rates. Interest rate risk is usually greater for fixed-income securities with longer maturities or durations. A rise in interest rates (or the expectation of a rise in interest rates) may result in periods of volatility, decreased liquidity and increased redemptions, and, as a result, the Portfolio may have to liquidate portfolio securities at disadvantageous prices.

The Portfolio’s investments in lower-rated, higher-yielding securities (“junk bonds”) are subject to greater credit risk than its higher rated investments. Credit risk is the risk that the issuer will not make interest or principal

payments, or will not make payments on a timely basis. Non-investment grade securities tend to be more volatile, less liquid and are considered speculative. If there is a decline, or perceived decline, in the credit quality of a debt security (or any guarantor of payment on such security), the security’s value could fall, potentially lowering the Portfolio’s share price. The prices of non-investment grade securities, unlike investment grade debt securities, may fluctuate unpredictably and not necessarily inversely with changes in interest rates. The market for these securities may be less liquid and therefore these securities may be harder to value or sell at an acceptable price, especially during times of market volatility or decline.

Some debt securities may give the issuer the option to call, or redeem, the securities before their maturity, and, during a time of declining interest rates, the Portfolio may have to reinvest the proceeds of called or redeemed securities in an investment offering a lower yield (and the Portfolio may not fully benefit from any increase in the value of its portfolio holdings as a result of declining interest rates).

Adjustable rate securities provide the Portfolio with a certain degree of protection against rises in interest rates, although adjustable rate securities will participate in any declines in interest rates. Certain adjustable rate securities, such as those with interest rates that fluctuate directly or indirectly based on multiples of a stated index, are designed to be highly sensitive to changes in interest rates and can subject the holders thereof to extreme reductions of yield and possibly loss of principal. Certain fixed-income securities may be issued at a discount from their face value (such as zero coupon securities) or purchased at a price less than their stated face amount or at a price less than their issue price plus the portion of “original issue discount” previously accrued thereon, i.e., purchased at a “market discount.” The amount of original issue discount and/or market discount on certain obligations may be significant, and accretion of market discount together with original issue discount will cause the Portfolio to realize income prior to the receipt of cash payments with respect to these securities.

Preferred Securities Risk. There are various risks associated with investing in preferred securities. In addition, unlike common stock, participation in the growth of an issuer may be limited.

· Credit risk is the risk that a security held by the Portfolio will decline in price or the issuer of the security will fail to make dividend, interest or principal payments when due because the issuer experiences a decline in its financial status.

· Interest rate risk is the risk that securities will decline in value because of changes in market interest rates. When market interest rates rise, the market value of such securities generally will fall.

· Preferred securities may include provisions that permit the issuer, at its discretion, to defer or omit distributions for a stated period without any adverse consequences to the issuer.

· Preferred securities are generally subordinated to bonds and other debt instruments in an issuer’s capital structure in terms of having priority to corporate income, claims to corporate assets and liquidation payments, and therefore will be subject to greater credit risk than more senior debt instruments.

· During periods of declining interest rates, an issuer may be able to exercise an option to call, or redeem its issue at par earlier than the scheduled maturity. If this occurs during a time of lower or declining interest rates, the Portfolio may have to reinvest the proceeds in lower yielding securities (and the Portfolio may not benefit from any increase in the value of its portfolio holdings as a result of declining interest rates).

· Certain preferred securities may be substantially less liquid than many other securities, such as common stocks or US government securities. Illiquid securities involve the risk that the securities will not be able to be sold at the time desired by the Portfolio or at prices approximating the value at which the Portfolio is carrying the securities on its books.

Short Position Risk. Short positions may involve substantial risks. If a short position appreciates in value during the period of the Portfolio’s investment, there will be a loss to the Portfolio that could be substantial. Short positions involve more risk than long positions because the maximum sustainable loss on a security purchased is

limited to the amount paid for the security plus the transaction costs. However, the Portfolio’s potential loss on a short position is unlimited because, theoretically, there is no limit to the potential price increase of a security. In addition, the Portfolio’s short sales transactions are dependent on counterparties to its securities borrowing transactions and are subject to the risk of default by a counterparty, which could result in a loss of Portfolio assets used as collateral or the loss of monies owed to the Portfolio by a counterparty.

Derivatives and Hedging Risk. Derivatives transactions, including those entered into for hedging purposes (i.e., seeking to protect Portfolio investments), may increase volatility, reduce returns, limit gains or magnify losses, perhaps substantially, particularly since most derivatives have a leverage component that provides investment exposure in excess of the amount invested. Swap agreements; forward currency contracts; over-the-counter options on securities (including options on shares of ETFs), indexes and currencies; and other over-the-counter derivatives transactions are subject to the risks of the creditworthiness of and default by the counterparty and consequently may lose all or a portion of their value due solely to the creditworthiness of or default by the counterparty. Over-the-counter derivatives frequently may be illiquid and difficult to value. Changes in liquidity may result in significant, rapid and unpredictable changes in the prices for derivatives. These derivatives transactions, as well as the exchange-traded futures and options in which the Portfolio may invest, are subject to many of the risks of, and can be highly sensitive to changes in the value of the related reference asset, index or rate. As such, a small investment could have a potentially large impact on the Portfolio’s performance. In fact, many derivatives may be subject to greater risks than those associated with investing directly in the underlying or other reference asset. Derivatives transactions incur costs, either explicitly or implicitly, which reduce returns, and costs of engaging in such transactions may outweigh any gains or any losses averted from hedging activities. Successful use of derivatives, whether for hedging or for other investment purposes, is subject to the Investment Manager’s ability to predict correctly movements in the direction of the relevant reference asset or market and, for hedging activities, correlation of the derivative instruments used with the investments seeking to be hedged. Use of derivatives transactions, even if entered into for hedging purposes, may cause the Portfolio to experience losses greater than if the Portfolio had not engaged in such transactions. When the Portfolio enters into derivatives transactions, it may be required to segregate liquid assets or enter into offsetting positions or otherwise cover its obligations, in accordance with applicable regulations while the positions are open. New Rule 18f-4 under the 1940 Act, with which investment companies must comply beginning in August 2022, relates to the use of derivatives and certain other transactions by registered investment companies, and will rescind and withdraw applicable guidance and relief regarding these asset segregation and coverage practices. Rule 18f-4 will regulate and, in some cases limit, the use of derivatives for certain funds and may require the Portfolio to alter, perhaps materially, its use of derivatives.

Small and Mid Cap Companies Risk. Small and mid cap companies carry additional risks because their earnings tend to be less predictable, their share prices more volatile and their securities less liquid than larger, more established companies. The shares of small and mid cap companies tend to trade less frequently than those of larger companies, which can have an adverse effect on the pricing of these securities and on the ability to sell these securities when the Investment Manager deems it appropriate.

Leverage Risk. The use of leverage, which the Portfolio’s strategy entails, may magnify the Portfolio’s gains or losses.

Value Investing Risk. Value investments are believed by the Investment Manager to be undervalued, but may not realize their perceived value for extended periods of time or may never realize their perceived value. These securities may respond differently to market and other developments than other types of securities.

Market Direction Risk. Since the Portfolio will typically hold both long and short positions, an investment in the Portfolio will involve market risks associated with different types of investment decisions than those made for a typical “long only” fund. The Portfolio’s results will suffer both when there is a general market advance and the Portfolio holds significant “short” positions, or when there is a general market decline and the Portfolio holds

significant “long” positions. In recent years, the markets have shown considerable volatility from day to day and even in intra-day trading.

Non-US Securities Risk. The Portfolio’s performance will be influenced by political, social and economic factors affecting the non-US countries and companies in which the Portfolio invests. Non-US securities carry special risks, such as less developed or less efficient trading markets, political instability, a lack of company information, differing auditing and legal standards, and, potentially, less liquidity.

Foreign Currency Risk. Investments denominated in currencies other than US dollars may experience a decline in value, in US dollar terms, due solely to fluctuations in currency exchange rates. The Portfolio’s investments denominated in such currencies, as well as any investments in currencies themselves, could be adversely affected by delays in, or a refusal to grant, repatriation of funds or conversion of currencies. Irrespective of any foreign currency exposure hedging, the Portfolio may experience a decline in the value of its portfolio securities, in US dollar terms, due solely to fluctuations in currency exchange rates. The Investment Manager does not intend to actively hedge the Portfolio’s foreign currency exposure.

Non-Diversification Risk. The Portfolio’s net asset value may be more vulnerable to changes in the market value of a single issuer or group of issuers and may be relatively more susceptible to adverse effects from any single corporate, industry, economic, market, political or regulatory occurrence than if the Portfolio’s investments consisted of securities issued by a larger number of issuers.

ETF Risk. Shares of ETFs may trade at prices that vary from their net asset values, sometimes significantly. The shares of ETFs may trade at prices at, below or above their net asset value. In addition, the performance of an ETF pursuing a passive index-based strategy may diverge from the performance of the index. The Portfolio’s investments in ETFs are subject to the risks of the ETFs’ investments, as well as to the general risks of investing in ETFs. The Portfolio will bear not only the Portfolio’s management fees and operating expenses, but also the Portfolio’s proportional share of the management fees and operating expenses of the ETFs in which the Portfolio invests. Although Section 12 of the 1940 Act limits the amount of the Portfolio’s assets that may be invested in one or more ETFs, Rule 12d1-4 under the 1940 Act allows the Portfolio to acquire the securities of another investment company, including ETFs, in excess of the limitations imposed by Section 12 of the 1940 Act, subject to certain limitations and conditions.

Securities Selection Risk. Securities and other investments selected by the Investment Manager for the Portfolio may not perform to expectations. This could result in the Portfolio’s underperformance compared to other funds with similar investment objectives or strategies.

High Portfolio Turnover Risk. The Portfolio’s investment strategy may involve high portfolio turnover (such as 100% or more). A portfolio turnover rate of 100%, for example, is equivalent to the Portfolio buying and selling all of its securities once during the course of the year. A high portfolio turnover rate could result in high transaction costs and an increase in taxable capital gains distributions to the Portfolio’s shareholders, which will reduce returns to shareholders.
Risk Lose Money [Text] rr_RiskLoseMoney The value of your investment in the Portfolio will fluctuate, which means you could lose money.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance Bar Chart and Table
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The accompanying bar chart and table provide some indication of the risks of investing in Lazard Enhanced Opportunities Portfolio by showing the Portfolio’s year-by-year performance and its average annual performance compared to that of a broad measure of market performance. The bar chart shows how the performance of the Portfolio’s Institutional Shares has varied from year to year. Updated performance information is available at www.lazardassetmanagement.com or by calling (800) 823-6300. The Portfolio’s past performance (before and after taxes) is not necessarily an indication of how the Portfolio will perform in the future.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The accompanying bar chart and table provide some indication of the risks of investing in Lazard Enhanced Opportunities Portfolio by showing the Portfolio’s year-by-year performance and its average annual performance compared to that of a broad measure of market performance.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) 823-6300
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.lazardassetmanagement.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Portfolio’s past performance (before and after taxes) is not necessarily an indication of how the Portfolio will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Year-by-Year Total Returns for Institutional Shares As of 12/31
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
  

Best Quarter:

2020, Q4

6.57%

 

 

Worst Quarter:

2020, Q1

-7.13%
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (for the periods ended December 31, 2021)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred The after-tax returns shown are not relevant to investors who hold their shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown only for Institutional Shares. After-tax returns of the Portfolio’s other share classes will vary.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock

After-tax returns are shown only for Institutional Shares. After-tax returns of the Portfolio’s other share classes will vary. After-tax returns are calculated using the historical highest individual marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on the investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. Returns shown below for the Portfolio’s R6 Shares (which were not operational as of December 31, 2021) reflect the performance of the Portfolio’s Institutional Shares. R6 Shares would have had substantially similar returns as Institutional Shares because the share classes are invested in the same portfolio of securities, and the returns would differ only to the extent that the classes do not have the same expenses.
Lazard Enhanced Opportunities Portfolio | ICE BofAML U.S. Convertible ex Mandatory Index  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses or taxes)
Label rr_AverageAnnualReturnLabel ICE BofAML U.S. Convertible ex Mandatory Index
1 Year rr_AverageAnnualReturnYear01 4.12%
5 Years rr_AverageAnnualReturnYear05 17.75%
Since Inception rr_AverageAnnualReturnSinceInception 13.72%
Lazard Enhanced Opportunities Portfolio | HFRX Global Hedge Fund Index  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses or taxes)
Label rr_AverageAnnualReturnLabel HFRX Global Hedge Fund Index
1 Year rr_AverageAnnualReturnYear01 3.65%
5 Years rr_AverageAnnualReturnYear05 3.52%
Since Inception rr_AverageAnnualReturnSinceInception 2.32%
Lazard Enhanced Opportunities Portfolio | Institutional  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.95%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Dividend Expenses on Securities Sold Short rr_Component1OtherExpensesOverAssets 0.25% [1]
Borrowing Expenses on Securities Sold Short rr_Component2OtherExpensesOverAssets 0.26% [2]
Remainder of Other Expenses rr_Component3OtherExpensesOverAssets 0.59%
Total Other Expenses rr_OtherExpensesOverAssets 1.10%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total Annual Portfolio Operating Expenses rr_ExpensesOverAssets 2.08%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.29% [3]
Total Annual Portfolio Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.79% [4]
1 Year rr_ExpenseExampleYear01 $ 182
3 Years rr_ExpenseExampleYear03 624
5 Years rr_ExpenseExampleYear05 1,092
10 Years rr_ExpenseExampleYear10 $ 2,387
Performance One Year or Less [Text] rr_PerformanceOneYearOrLess Returns shown below for the Portfolio’s R6 Shares (which were not operational as of December 31, 2021) reflect the performance of the Portfolio’s Institutional Shares.
Annual Return 2015 rr_AnnualReturn2015 (2.32%)
Annual Return 2016 rr_AnnualReturn2016 4.27%
Annual Return 2017 rr_AnnualReturn2017 5.55%
Annual Return 2018 rr_AnnualReturn2018 (1.43%)
Annual Return 2019 rr_AnnualReturn2019 7.44%
Annual Return 2020 rr_AnnualReturn2020 9.87%
Annual Return 2021 rr_AnnualReturn2021 7.05%
Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 6.57%
Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (7.13%)
1 Year rr_AverageAnnualReturnYear01 7.05%
5 Years rr_AverageAnnualReturnYear05 5.62%
Since Inception rr_AverageAnnualReturnSinceInception 4.26%
Inception Date rr_AverageAnnualReturnInceptionDate Dec. 31, 2014
Lazard Enhanced Opportunities Portfolio | Institutional | After Taxes on Distributions  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 5.39%
5 Years rr_AverageAnnualReturnYear05 3.58%
Since Inception rr_AverageAnnualReturnSinceInception 2.15%
Lazard Enhanced Opportunities Portfolio | Institutional | After Taxes on Distributions and Sales  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 4.28%
5 Years rr_AverageAnnualReturnYear05 3.44%
Since Inception rr_AverageAnnualReturnSinceInception 2.30%
Lazard Enhanced Opportunities Portfolio | Open  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.95%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Dividend Expenses on Securities Sold Short rr_Component1OtherExpensesOverAssets 0.25% [1]
Borrowing Expenses on Securities Sold Short rr_Component2OtherExpensesOverAssets 0.26% [2]
Remainder of Other Expenses rr_Component3OtherExpensesOverAssets 1.28%
Total Other Expenses rr_OtherExpensesOverAssets 1.79%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total Annual Portfolio Operating Expenses rr_ExpensesOverAssets 3.02%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.98% [3]
Total Annual Portfolio Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 2.04% [4]
1 Year rr_ExpenseExampleYear01 $ 207
3 Years rr_ExpenseExampleYear03 841
5 Years rr_ExpenseExampleYear05 1,501
10 Years rr_ExpenseExampleYear10 $ 3,268
1 Year rr_AverageAnnualReturnYear01 6.78%
5 Years rr_AverageAnnualReturnYear05 5.36%
Since Inception rr_AverageAnnualReturnSinceInception 4.00%
Inception Date rr_AverageAnnualReturnInceptionDate Dec. 31, 2014
Lazard Enhanced Opportunities Portfolio | R6  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.95%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Dividend Expenses on Securities Sold Short rr_Component1OtherExpensesOverAssets 0.25% [1],[5]
Borrowing Expenses on Securities Sold Short rr_Component2OtherExpensesOverAssets 0.26% [2],[5]
Remainder of Other Expenses rr_Component3OtherExpensesOverAssets 0.59% [5]
Total Other Expenses rr_OtherExpensesOverAssets 1.10% [5]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03% [5]
Total Annual Portfolio Operating Expenses rr_ExpensesOverAssets 2.08%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.34% [3]
Total Annual Portfolio Operating Expenses After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.74% [4]
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates Based on estimated amounts for the current fiscal year, using amounts for Institutional Shares for the last fiscal year.
1 Year rr_ExpenseExampleYear01 $ 177
3 Years rr_ExpenseExampleYear03 619
5 Years rr_ExpenseExampleYear05 1,087
10 Years rr_ExpenseExampleYear10 $ 2,383
1 Year rr_AverageAnnualReturnYear01 7.05%
5 Years rr_AverageAnnualReturnYear05 5.62%
Since Inception rr_AverageAnnualReturnSinceInception 4.26%
[1] Dividend Expenses on Securities Sold Short reflect dividends paid on borrowed securities and are an expense of short sales. Such expenses are required to be treated as a Portfolio expense for accounting purposes and are not payable to Lazard Asset Management LLC (the “Investment Manager”). Any dividends paid on securities sold short will vary based on the Portfolio’s use of those investments as it seeks to achieve its investment objective.
[2] Borrowing Expenses on Securities Sold Short result from the Portfolio’s use of custody arrangements to execute short sales. Such expenses are required to be treated as a Portfolio expense for accounting purposes and are not payable to the Investment Manager. Any borrowing expenses as a result of securities sold short will vary based on the Portfolio’s use of those investments as it seeks to achieve its investment objective.
[3] Reflects a contractual agreement by the Investment Manager to waive its fee and, if necessary, reimburse the Portfolio until April 29, 2023 to the extent Total Annual Portfolio Operating Expenses exceed 1.25%, 1.50% and 1.20% of the average daily net assets of the Portfolio’s Institutional Shares, Open Shares and R6 Shares, respectively, exclusive of taxes, brokerage, interest on borrowings, dividend and interest expenses on securities sold short, fees and expenses of “Acquired Funds,” fees and expenses related to filing foreign tax reclaims and extraordinary expenses. This expense limitation agreement can only be amended by agreement of the Fund, upon approval by the Fund’s Board of Directors, and the Investment Manager to lower the net amount shown and will terminate automatically in the event of termination of the Management Agreement between the Investment Manager and the Fund, on behalf of the Portfolio.
[4] Excluding Dividend and Borrowing Expenses on Securities Sold Short and Acquired Fund Fees and Expenses, the Total Annual Portfolio Operating Expenses After Fee Waiver and/or Expense Reimbursement are 1.25%, 1.50% and 1.20% of the Portfolio’s Institutional Shares, Open Shares and R6 Shares, respectively.
[5] Based on estimated amounts for the current fiscal year, using amounts for Institutional Shares for the last fiscal year.