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Label Element Value
Lazard Retirement Emerging Markets Equity Portfolio  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Lazard Retirement Emerging Markets Equity Portfolio
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The Portfolio seeks 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 Lazard Retirement Series, Inc., but does not reflect the fees or charges imposed by the separate accounts of certain insurance companies (the “Participating Insurance Companies”) under variable annuity contracts or variable life insurance policies (the “Policies” and each, a “Policy”). If such fees and charges were reflected, the figures in the table would be higher.

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)
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. 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 25% of the average value of its portfolio.

Portfolio Turnover, Rate rr_PortfolioTurnoverRate 25.00%
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. The Example does not reflect fees and expenses imposed by the Participating Insurance Companies under the Policies; if they were reflected, the figures in the Example would be higher. 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 invests primarily in equity securities, principally common stocks, of non-US companies whose principal activities are located in emerging market countries and that Lazard Asset Management LLC (the “Investment Manager”) believes are undervalued based on their earnings, cash flow or asset values.

Emerging market countries include all countries represented by the MSCI Emerging Markets Index, which currently includes: Brazil, Chile, China, Colombia, Czech Republic, Egypt, Greece, Hungary, India, Indonesia,

Korea, Kuwait, Malaysia, Mexico, Peru, Philippines, Poland, Qatar, Saudi Arabia, South Africa, Taiwan, Thailand, Turkey and United Arab Emirates.

Under normal circumstances, the Portfolio invests at least 80% of its assets in equity securities of companies whose principal business activities are located in emerging market countries. In addition to common stocks, such equity securities also may include American Depositary Receipts (“ADRs”), Global Depositary Receipts and European Depositary Receipts. In addition, implementation of the Portfolio’s investment strategy may, during certain periods, result in the investment of a significant portion of the Portfolio’s assets in a particular market sector.

Risk [Heading] rr_RiskHeading Principal Investment Risks
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 Retirement Emerging Markets Equity 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 Service Shares has varied from year to year over the past 10 calendar years. Performance information does not reflect the fees or charges imposed by the Participating Insurance Companies under the Policies, and such fees will have the effect of reducing performance. Updated performance information is available at www.lazardassetmanagement.com or by calling (800) 823-6300. The Portfolio’s past performance 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 Retirement Emerging Markets Equity 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 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 Service Shares As of 12/31
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Performance information does not reflect the fees or charges imposed by the Participating Insurance Companies under the Policies, and such fees will have the effect of reducing performance.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
  

Best Quarter:

2020, Q4

24.22%

 

 

Worst Quarter:

2020, Q1

-30.50%

Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (for the periods ended December 31, 2023)
Lazard Retirement Emerging Markets Equity Portfolio | Risk Lose Money [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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

Lazard Retirement Emerging Markets Equity Portfolio | Market Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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 or military conflict, acts of terrorism, the spread of infectious illness or other public health issues, social unrest, supply chain disruptions, government defaults, government shutdowns, the imposition of sanctions and other similar measures, recessions or other events could have a significant negative impact on global economic and market conditions. For example, a public health or other emergency and 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, may have severe negative impacts on markets worldwide. Additionally, general market conditions may affect the value of a Portfolio’s securities, including changes in interest rates, currency rates or monetary policies.

Lazard Retirement Emerging Markets Equity Portfolio | Issuer Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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.

Lazard Retirement Emerging Markets Equity Portfolio | Non-US Securities Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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. Non-US securities may be subject to economic sanctions or other similar governmental actions or developments, which could, among other things, effectively restrict or eliminate the Portfolio’s ability to purchase or sell certain foreign securities. To the extent the Portfolio holds securities subject to such actions, the securities may become difficult to value and/or less liquid (or illiquid). In some cases, the securities may become worthless.

Lazard Retirement Emerging Markets Equity Portfolio | Emerging Market Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Emerging Market Risk: Emerging market countries generally have economic structures that are less diverse and mature, and political systems that are less stable, than those of developed countries. The economies of countries with emerging markets may be based predominantly on only a few industries, may be highly vulnerable to changes in local or global trade conditions, and may suffer from extreme debt burdens or volatile inflation rates. The securities markets of emerging market countries have historically been extremely volatile and less liquid than more developed markets. These market conditions may continue or worsen. Investments in these countries may

be subject to political, economic, legal, market and currency risks. Significant devaluation of emerging market currencies against the US dollar may occur subsequent to acquisition of investments denominated in emerging market currencies.

Lazard Retirement Emerging Markets Equity Portfolio | Foreign Currency Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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 (particularly currencies of emerging markets countries), 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.

Lazard Retirement Emerging Markets Equity Portfolio | Depositary Receipts Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Depositary Receipts Risk: ADRs and similar depositary receipts typically will be subject to certain of the risks associated with direct investments in the securities of non-US companies, because their values depend on the performance of the underlying non-US securities. However, currency fluctuations will impact investments in depositary receipts differently than direct investments in non-US dollar-denominated non-US securities, because a depositary receipt will not appreciate in value solely as a result of appreciation in the currency in which the underlying non-US dollar security is denominated.

Lazard Retirement Emerging Markets Equity Portfolio | Large Cap Companies Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Large Cap Companies Risk: Investments in large cap companies may underperform other segments of the market when such other segments are in favor or because such companies may be less responsive to competitive challenges and opportunities and may be unable to attain high growth rates during periods of economic expansion.

Lazard Retirement Emerging Markets Equity Portfolio | Small and Mid Cap Companies Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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.

Lazard Retirement Emerging Markets Equity Portfolio | Value Investing Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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.

Lazard Retirement Emerging Markets Equity Portfolio | Sector Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Sector Risk: Implementation of the Portfolio’s investment strategy may, during certain periods, result in the investment of a significant portion of the Portfolio’s assets in a particular market sector, such as companies in the financials sector, and the Portfolio would be expected to be affected by developments in that sector. Companies in the financials sector can be significantly affected by, among other things: government regulation; changes in interest rates and/or monetary policy and general economic conditions; the availability and cost of capital; capital requirements; decreased liquidity in credit markets; and the rate of defaults on corporate, consumer and government debt.

Lazard Retirement Emerging Markets Equity Portfolio | Securities Selection Risk  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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.

Lazard Retirement Emerging Markets Equity Portfolio | MSCI Emerging Markets 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 MSCI Emerging Markets Index
1 Year rr_AverageAnnualReturnYear01 9.83%
5 Years rr_AverageAnnualReturnYear05 3.69%
10 Years rr_AverageAnnualReturnYear10 2.66%
Lazard Retirement Emerging Markets Equity Portfolio | Service  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 1.00%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.17%
Total Annual Portfolio Operating Expenses rr_ExpensesOverAssets 1.42%
1 Year rr_ExpenseExampleYear01 $ 145
3 Years rr_ExpenseExampleYear03 449
5 Years rr_ExpenseExampleYear05 776
10 Years rr_ExpenseExampleYear10 $ 1,702
Annual Return 2014 rr_AnnualReturn2014 (4.64%)
Annual Return 2015 rr_AnnualReturn2015 (20.05%)
Annual Return 2016 rr_AnnualReturn2016 20.78%
Annual Return 2017 rr_AnnualReturn2017 27.82%
Annual Return 2018 rr_AnnualReturn2018 (18.56%)
Annual Return 2019 rr_AnnualReturn2019 18.14%
Annual Return 2020 rr_AnnualReturn2020 (1.27%)
Annual Return 2021 rr_AnnualReturn2021 5.47%
Annual Return 2022 rr_AnnualReturn2022 (15.12%)
Annual Return 2023 rr_AnnualReturn2023 22.27%
Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 24.22%
Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (30.50%)
1 Year rr_AverageAnnualReturnYear01 22.27%
5 Years rr_AverageAnnualReturnYear05 5.01%
10 Years rr_AverageAnnualReturnYear10 2.04%
Since Inception rr_AverageAnnualReturnSinceInception 6.12%
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 04, 1997
Lazard Retirement Emerging Markets Equity Portfolio | Service | MSCI Emerging Markets Index  
Risk/Return: rr_RiskReturnAbstract  
Since Inception rr_AverageAnnualReturnSinceInception 5.75%
Lazard Retirement Emerging Markets Equity Portfolio | Investor  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 1.00%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.17%
Total Annual Portfolio Operating Expenses rr_ExpensesOverAssets 1.17%
1 Year rr_ExpenseExampleYear01 $ 119
3 Years rr_ExpenseExampleYear03 372
5 Years rr_ExpenseExampleYear05 644
10 Years rr_ExpenseExampleYear10 $ 1,420
1 Year rr_AverageAnnualReturnYear01 22.61%
5 Years rr_AverageAnnualReturnYear05 5.26%
10 Years rr_AverageAnnualReturnYear10 2.29%
Since Inception rr_AverageAnnualReturnSinceInception 3.97%
Inception Date rr_AverageAnnualReturnInceptionDate May 01, 2006
Lazard Retirement Emerging Markets Equity Portfolio | Investor | MSCI Emerging Markets Index  
Risk/Return: rr_RiskReturnAbstract  
Since Inception rr_AverageAnnualReturnSinceInception 3.46%