Lazard Retirement Series N-CSRS 16 Aug 24 Certified semi-annual shareholder report (management investment company) Financial data

Form N-CSR Cover

Form N-CSR Cover	6 Months Ended
	Jun. 30, 2024
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	LAZARD RETIREMENT SERIES INC
Entity Central Index Key	0001033669
Entity Investment Company Type	N-1A
Document Period End Date	Jun. 30, 2024

Shareholder Report

Shareholder Report	6 Months Ended	66 Months Ended
	Jun. 30, 2024 USD ($) Holding	Jun. 30, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	LAZARD RETIREMENT SERIES INC
Entity Central Index Key	0001033669
Entity Investment Company Type	N-1A
Document Period End Date	Jun. 30, 2024
C000028478
Shareholder Report [Line Items]
Fund Name	Lazard Retirement International Equity Portfolio
Class Name	Service Shares
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Lazard Retirement International Equity Portfolio for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Portfolio at www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR Contact.US Lazard.com
Additional Information Phone Number	(800) 823-6300
Additional Information Email	Contact.US@Lazard.com</span>" id="sjs-B18">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">Contact.US@Lazard.com&lt;/span>
Additional Information Website	www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR</span>" id="sjs-B19">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR&lt;/span>
Expenses [Text Block]	What were the Portfolio costs for the last six months ? (based on a $10,000 investment and annualized for periods of less than one year) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Service Shares $55 1.07%
Expenses Paid, Amount	$ 55
Expense Ratio, Percent	1.07%
Performance Past Does Not Indicate Future [Text]	The performance quoted represents past performance</span>.<span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.</span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. " id="sjs-B23" xml:space="preserve">&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">The performance quoted represents past performance&lt;/span>.&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.&lt;/span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares.
Line Graph [Table Text Block]	Service Shares MSCI EAFE Index 06/14 $10,000 $10,000 07/14 $9,640 $9,803 08/14 $9,665 $9,788 09/14 $9,412 $9,412 10/14 $9,397 $9,276 11/14 $9,491 $9,402 12/14 $9,152 $9,077 01/15 $9,152 $9,121 02/15 $9,774 $9,667 03/15 $9,679 $9,520 04/15 $10,015 $9,908 05/15 $10,059 $9,858 06/15 $9,891 $9,579 07/15 $10,096 $9,778 08/15 $9,434 $9,058 09/15 $9,059 $8,598 10/15 $9,566 $9,270 11/15 $9,537 $9,126 12/15 $9,311 $9,003 01/16 $8,857 $8,352 02/16 $8,629 $8,199 03/16 $9,236 $8,732 04/16 $9,342 $8,985 05/16 $9,342 $8,903 06/16 $9,076 $8,604 07/16 $9,289 $9,040 08/16 $9,193 $9,047 09/16 $9,361 $9,158 10/16 $8,927 $8,971 11/16 $8,759 $8,792 12/16 $8,912 $9,093 01/17 $9,036 $9,356 02/17 $9,136 $9,490 03/17 $9,398 $9,751 04/17 $9,667 $9,999 05/17 $10,029 $10,366 06/17 $9,968 $10,347 07/17 $10,299 $10,645 08/17 $10,260 $10,641 09/17 $10,447 $10,906 10/17 $10,611 $11,072 11/17 $10,775 $11,188 12/17 $10,903 $11,367 01/18 $11,446 $11,938 02/18 $10,832 $11,399 03/18 $10,862 $11,193 04/18 $10,872 $11,449 05/18 $10,721 $11,192 06/18 $10,581 $11,055 07/18 $10,742 $11,327 08/18 $10,538 $11,108 09/18 $10,649 $11,205 10/18 $9,863 $10,313 11/18 $9,852 $10,299 12/18 $9,386 $9,800 01/19 $9,910 $10,444 02/19 $10,248 $10,710 03/19 $10,325 $10,778 04/19 $10,619 $11,080 05/19 $10,270 $10,549 06/19 $10,848 $11,174 07/19 $10,630 $11,032 08/19 $10,405 $10,746 09/19 $10,668 $11,055 10/19 $10,887 $11,452 11/19 $10,974 $11,581 12/19 $11,358 $11,958 01/20 $11,149 $11,708 02/20 $10,328 $10,649 03/20 $8,718 $9,228 04/20 $9,222 $9,824 05/20 $9,704 $10,251 06/20 $9,967 $10,600 07/20 $10,372 $10,847 08/20 $10,927 $11,404 09/20 $10,684 $11,108 10/20 $10,210 $10,664 11/20 $11,714 $12,317 12/20 $12,293 $12,890 01/21 $12,027 $12,752 02/21 $12,189 $13,038 03/21 $12,502 $13,338 04/21 $12,930 $13,739 05/21 $13,231 $14,187 06/21 $12,965 $14,027 07/21 $13,034 $14,132 08/21 $13,365 $14,381 09/21 $12,963 $13,964 10/21 $13,294 $14,307 11/21 $12,549 $13,642 12/21 $13,010 $14,340 01/22 $12,502 $13,648 02/22 $12,301 $13,406 03/22 $12,123 $13,492 04/22 $11,390 $12,619 05/22 $11,698 $12,714 06/22 $10,751 $11,534 07/22 $11,165 $12,108 08/22 $10,529 $11,533 09/22 $9,569 $10,455 10/22 $10,028 $11,017 11/22 $11,211 $12,258 12/22 $11,058 $12,267 01/23 $12,059 $13,261 02/23 $11,684 $12,984 03/23 $12,017 $13,306 04/23 $12,184 $13,681 05/23 $11,725 $13,103 06/23 $12,476 $13,699 07/23 $12,713 $14,143 08/23 $12,264 $13,601 09/23 $11,785 $13,136 10/23 $11,404 $12,604 11/23 $12,405 $13,773 12/23 $12,814 $14,505 01/24 $12,701 $14,589 02/24 $13,152 $14,856 03/24 $13,617 $15,345 04/24 $13,138 $14,952 05/24 $13,800 $15,530 06/24 $13,490 $15,285
Average Annual Return [Table Text Block]	1 Year 5 Years 10 Years Service Shares 8.13% 4.46% 3.04% MSCI EAFE Index 11.54% 6.46% 4.33%
AssetsNet	$ 113,890,947	$ 113,890,947
Holdings Count | Holding	79	79
Advisory Fees Paid, Amount	$ 373,623
InvestmentCompanyPortfolioTurnover	20%
Additional Fund Statistics [Text Block]	Key Portfolio Statistics Total Net Assets $113,890,947 # of Portfolio Holdings 79 Portfolio Turnover Rate 20% Total Advisory Fees Paid $373,623
Holdings [Text Block]	Top 10 Sectors (% of Net Assets) Industrials 23.7% Financials 14.8% Consumer Discretionary 12.7% Information Technology 12.1% Health Care 9.7% Consumer Staples 9.6% Materials 5.4% Communication Services 3.7% Energy 2.9% Utilities 2.5%
Exposure Basis Explanation [Text Block]	Top 10 Holdings (% of Net Assets) RELX PLC 3.6% Unilever PLC 2.7% Taiwan Semiconductor Manufacturing Co. Ltd. ADR, ADR 2.4% Roche Holding AG 2.3% ICON PLC 2.1% ABB Ltd. 1.9% Hitachi Ltd. 1.8% Suncor Energy, Inc. 1.7% Compass Group PLC 1.7% Renesas Electronics Corp. 1.7%
Material Fund Change [Text Block]
C000028474
Shareholder Report [Line Items]
Fund Name	Lazard Retirement US Small Cap Equity Select Portfolio
Class Name	Service Shares
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Lazard Retirement US Small Cap Equity Select Portfolio for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Portfolio at www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR Contact.US Lazard.com
Additional Information Phone Number	(800) 823-6300
Additional Information Email	Contact.US@Lazard.com</span>" id="sjs-B42">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">Contact.US@Lazard.com&lt;/span>
Additional Information Website	www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR</span>" id="sjs-B43">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR&lt;/span>
Expenses [Text Block]	What were the Portfolio costs for the last six months ? (based on a $10,000 investment and annualized for periods of less than one year) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Service Shares $58 1.15%
Expenses Paid, Amount	$ 58
Expense Ratio, Percent	1.15%
Performance Past Does Not Indicate Future [Text]	The performance quoted represents past performance</span>.<span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.</span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. " id="sjs-B47" xml:space="preserve">&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">The performance quoted represents past performance&lt;/span>.&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.&lt;/span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares.
Line Graph [Table Text Block]	Service Shares Russell 3000 Index Russell 2000 Index 06/14 $10,000 $10,000 $10,000 07/14 $9,481 $9,803 $9,395 08/14 $9,960 $10,214 $9,861 09/14 $9,425 $10,001 $9,264 10/14 $9,994 $10,276 $9,875 11/14 $10,073 $10,525 $9,884 12/14 $10,233 $10,525 $10,166 01/15 $9,933 $10,232 $9,838 02/15 $10,696 $10,825 $10,423 03/15 $10,859 $10,715 $10,604 04/15 $10,696 $10,763 $10,334 05/15 $10,871 $10,912 $10,569 06/15 $10,871 $10,729 $10,648 07/15 $10,721 $10,909 $10,525 08/15 $10,067 $10,250 $9,864 09/15 $9,690 $9,952 $9,380 10/15 $10,119 $10,738 $9,908 11/15 $10,457 $10,797 $10,230 12/15 $9,989 $10,576 $9,716 01/16 $9,219 $9,979 $8,862 02/16 $9,327 $9,976 $8,862 03/16 $10,003 $10,678 $9,569 04/16 $10,016 $10,744 $9,720 05/16 $10,125 $10,936 $9,938 06/16 $9,976 $10,959 $9,932 07/16 $10,476 $11,394 $10,525 08/16 $10,594 $11,423 $10,711 09/16 $10,551 $11,441 $10,830 10/16 $10,351 $11,193 $10,316 11/16 $11,223 $11,694 $11,466 12/16 $11,566 $11,922 $11,787 01/17 $11,537 $12,147 $11,833 02/17 $11,780 $12,599 $12,062 03/17 $11,709 $12,607 $12,077 04/17 $11,680 $12,741 $12,210 05/17 $11,838 $12,871 $11,962 06/17 $12,052 $12,987 $12,376 07/17 $12,081 $13,232 $12,468 08/17 $11,979 $13,258 $12,309 09/17 $12,563 $13,581 $13,077 10/17 $12,743 $13,877 $13,189 11/17 $13,118 $14,299 $13,568 12/17 $13,179 $14,442 $13,514 01/18 $13,464 $15,203 $13,867 02/18 $12,894 $14,642 $13,330 03/18 $13,005 $14,349 $13,502 04/18 $13,226 $14,403 $13,618 05/18 $13,590 $14,810 $14,445 06/18 $13,701 $14,907 $14,549 07/18 $14,049 $15,401 $14,802 08/18 $14,390 $15,942 $15,440 09/18 $14,141 $15,968 $15,068 10/18 $12,496 $14,793 $13,432 11/18 $12,878 $15,089 $13,645 12/18 $11,434 $13,685 $12,024 01/19 $12,602 $14,859 $13,377 02/19 $13,151 $15,382 $14,072 03/19 $13,063 $15,606 $13,778 04/19 $13,717 $16,230 $14,247 05/19 $12,868 $15,179 $13,138 06/19 $13,877 $16,245 $14,067 07/19 $14,001 $16,487 $14,149 08/19 $13,592 $16,151 $13,450 09/19 $14,098 $16,434 $13,730 10/19 $14,423 $16,788 $14,091 11/19 $14,567 $17,426 $14,671 12/19 $14,856 $17,929 $15,094 01/20 $14,549 $17,910 $14,609 02/20 $13,376 $16,444 $13,379 03/20 $10,253 $14,182 $10,472 04/20 $11,679 $16,061 $11,911 05/20 $12,401 $16,920 $12,686 06/20 $12,383 $17,306 $13,134 07/20 $12,961 $18,289 $13,498 08/20 $13,316 $19,614 $14,258 09/20 $12,810 $18,900 $13,781 10/20 $13,083 $18,492 $14,070 11/20 $14,954 $20,741 $16,663 12/20 $15,861 $21,675 $18,104 01/21 $16,056 $21,578 $19,014 02/21 $17,245 $22,253 $20,199 03/21 $17,801 $23,050 $20,401 04/21 $18,678 $24,239 $20,829 05/21 $18,698 $24,349 $20,873 06/21 $18,552 $24,950 $21,278 07/21 $18,220 $25,372 $20,510 08/21 $18,505 $26,095 $20,969 09/21 $17,978 $24,924 $20,351 10/21 $18,798 $26,610 $21,216 11/21 $17,978 $26,205 $20,331 12/21 $19,013 $27,237 $20,784 01/22 $17,987 $25,634 $18,783 02/22 $18,104 $24,988 $18,984 03/22 $18,056 $25,799 $19,219 04/22 $16,981 $23,484 $17,315 05/22 $16,952 $23,452 $17,341 06/22 $15,302 $21,490 $15,915 07/22 $16,845 $23,506 $17,577 08/22 $16,141 $22,629 $17,216 09/22 $14,754 $20,531 $15,567 10/22 $16,220 $22,214 $17,281 11/22 $17,005 $23,374 $17,685 12/22 $16,063 $22,005 $16,538 01/23 $17,359 $23,521 $18,150 02/23 $16,940 $22,971 $17,843 03/23 $16,364 $23,585 $16,990 04/23 $15,997 $23,837 $16,685 05/23 $15,487 $23,929 $16,531 06/23 $16,639 $25,563 $17,875 07/23 $17,463 $26,480 $18,969 08/23 $16,783 $25,969 $18,021 09/23 $16,036 $24,732 $16,959 10/23 $15,199 $24,076 $15,803 11/23 $16,272 $26,321 $17,233 12/23 $17,673 $27,717 $19,339 01/24 $17,293 $28,024 $18,586 02/24 $18,196 $29,541 $19,637 03/24 $18,890 $30,494 $20,340 04/24 $17,778 $29,152 $18,909 05/24 $18,576 $30,530 $19,858 06/24 $18,223 $31,475 $19,677
Average Annual Return [Table Text Block]	1 Year 5 Years 10 Years Service Shares 9.52% 5.60% 6.18% Russell 3000 Index 23.13% 14.14% 12.15% Russell 2000 Index 10.06% 6.94% 7.00%
Performance Table Market Index Changed [Text Block]	Effective as of May 1, 2024, the Russell 3000 Index replaced the Russell 2000 Index as the Portfolio's broad-based securities market index. The Russell 3000 Index was selected in connection with certain regulatory requirements to provide a broad measure of market performance.
AssetsNet	$ 40,192,557	$ 40,192,557
Holdings Count | Holding	79	79
Advisory Fees Paid, Amount	$ 111,300
InvestmentCompanyPortfolioTurnover	48%
Additional Fund Statistics [Text Block]	Key Portfolio Statistics Total Net Assets $40,192,557 # of Portfolio Holdings 79 Portfolio Turnover Rate 48% Total Advisory Fees Paid $111,300
Holdings [Text Block]	Top 10 Sectors (% of Net Assets) Financials 17.5% Health Care 14.9% Industrials 14.4% Information Technology 13.6% Consumer Discretionary 12.3% Energy 6.4% Consumer Staples 5.5% Real Estate 4.5% Materials 3.9% Communication Services 2.8%
Exposure Basis Explanation [Text Block]	Top 10 Holdings (% of Net Assets) StepStone Group, Inc.,, A 2.3% Stifel Financial Corp. 2.1% Wintrust Financial Corp. 2.0% Reinsurance Group of America, Inc. 1.9% Brixmor Property Group, Inc. 1.8% Enovis Corp. 1.7% Graphic Packaging Holding Co. 1.7% United Therapeutics Corp. 1.7% Casella Waste Systems, Inc.,, A 1.7% Chefs' Warehouse Inc. 1.7%
Material Fund Change [Text Block]
C000028469
Shareholder Report [Line Items]
Fund Name	Lazard Retirement Emerging Markets Equity Portfolio
Class Name	Investor Shares
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Lazard Retirement Emerging Markets Equity Portfolio for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Portfolio at www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR Contact.US Lazard.com
Additional Information Phone Number	(800) 823-6300
Additional Information Email	Contact.US@Lazard.com</span>" id="sjs-B67">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">Contact.US@Lazard.com&lt;/span>
Additional Information Website	www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR</span>" id="sjs-B68">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR&lt;/span>
Expenses [Text Block]	What were the Portfolio costs for the last six months ? (based on a $10,000 investment and annualized for periods of less than one year) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Investor Shares $60 1.16%
Expenses Paid, Amount	$ 60
Expense Ratio, Percent	1.16%
Performance Past Does Not Indicate Future [Text]	The performance quoted represents past performance</span>.<span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.</span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. " id="sjs-B72" xml:space="preserve">&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">The performance quoted represents past performance&lt;/span>.&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.&lt;/span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares.
Line Graph [Table Text Block]	Investor Shares MSCI Emerging Markets Index 06/14 $10,000 $10,000 07/14 $10,108 $10,193 08/14 $10,318 $10,422 09/14 $9,411 $9,650 10/14 $9,653 $9,764 11/14 $9,497 $9,660 12/14 $8,770 $9,215 01/15 $8,726 $9,270 02/15 $8,921 $9,558 03/15 $8,610 $9,422 04/15 $9,210 $10,147 05/15 $8,868 $9,740 06/15 $8,690 $9,486 07/15 $8,233 $8,829 08/15 $7,434 $8,030 09/15 $7,051 $7,788 10/15 $7,532 $8,344 11/15 $7,354 $8,018 12/15 $7,025 $7,839 01/16 $6,839 $7,331 02/16 $6,713 $7,319 03/16 $7,659 $8,287 04/16 $7,899 $8,332 05/16 $7,596 $8,021 06/16 $8,040 $8,342 07/16 $8,420 $8,762 08/16 $8,535 $8,980 09/16 $8,748 $9,096 10/16 $8,807 $9,117 11/16 $8,317 $8,698 12/16 $8,509 $8,717 01/17 $8,944 $9,194 02/17 $9,197 $9,475 03/17 $9,430 $9,714 04/17 $9,596 $9,927 05/17 $9,674 $10,221 06/17 $9,628 $10,324 07/17 $10,151 $10,939 08/17 $10,351 $11,183 09/17 $10,268 $11,138 10/17 $10,507 $11,529 11/17 $10,475 $11,552 12/17 $10,903 $11,967 01/18 $11,787 $12,964 02/18 $11,263 $12,366 03/18 $11,113 $12,136 04/18 $10,791 $12,083 05/18 $10,056 $11,655 06/18 $9,598 $11,172 07/18 $9,878 $11,417 08/18 $9,362 $11,109 09/18 $9,442 $11,050 10/18 $8,945 $10,088 11/18 $9,231 $10,503 12/18 $8,905 $10,224 01/19 $9,921 $11,120 02/19 $9,615 $11,144 03/19 $9,562 $11,238 04/19 $9,782 $11,475 05/19 $9,346 $10,642 06/19 $9,835 $11,306 07/19 $9,629 $11,168 08/19 $9,127 $10,623 09/19 $9,461 $10,826 10/19 $9,829 $11,283 11/19 $9,824 $11,267 12/19 $10,540 $12,107 01/20 $9,901 $11,543 02/20 $9,214 $10,935 03/20 $7,332 $9,251 04/20 $7,835 $10,098 05/20 $7,990 $10,176 06/20 $8,212 $10,924 07/20 $8,633 $11,900 08/20 $8,531 $12,163 09/20 $8,396 $11,969 10/20 $8,381 $12,215 11/20 $9,598 $13,345 12/20 $10,431 $14,326 01/21 $10,441 $14,766 02/21 $10,656 $14,878 03/21 $10,955 $14,654 04/21 $11,070 $15,018 05/21 $11,648 $15,367 06/21 $11,569 $15,393 07/21 $11,105 $14,357 08/21 $11,403 $14,733 09/21 $11,071 $14,148 10/21 $11,087 $14,288 11/21 $10,602 $13,705 12/21 $11,036 $13,963 01/22 $11,270 $13,699 02/22 $10,766 $13,290 03/22 $10,592 $12,989 04/22 $10,021 $12,267 05/22 $10,358 $12,321 06/22 $9,348 $11,502 07/22 $9,455 $11,473 08/22 $9,343 $11,521 09/22 $8,357 $10,171 10/22 $8,458 $9,856 11/22 $9,644 $11,317 12/22 $9,385 $11,158 01/23 $10,232 $12,039 02/23 $9,867 $11,259 03/23 $10,132 $11,600 04/23 $10,227 $11,469 05/23 $9,999 $11,276 06/23 $10,640 $11,705 07/23 $11,090 $12,434 08/23 $10,607 $11,668 09/23 $10,507 $11,362 10/23 $10,300 $10,920 11/23 $11,032 $11,794 12/23 $11,507 $12,255 01/24 $11,105 $11,686 02/24 $11,602 $12,243 03/24 $11,786 $12,546 04/24 $11,859 $12,603 05/24 $12,150 $12,673 06/24 $12,463 $13,170
Average Annual Return [Table Text Block]	1 Year 5 Years 10 Years Investor Shares 17.13% 4.85% 2.23% MSCI Emerging Markets Index 12.55% 3.10% 2.79%
AssetsNet	$ 326,443,292	$ 326,443,292
Holdings Count | Holding	82	82
Advisory Fees Paid, Amount	$ 1,593,690
InvestmentCompanyPortfolioTurnover	11%
Additional Fund Statistics [Text Block]	Key Portfolio Statistics Total Net Assets $326,443,292 # of Portfolio Holdings 82 Portfolio Turnover Rate 11% Total Advisory Fees Paid $1,593,690
Holdings [Text Block]	Top 10 Sectors (% of Net Assets) Financials 26.1% Information Technology 21.8% Consumer Discretionary 10.1% Communication Services 9.1% Industrials 7.3% Consumer Staples 6.8% Energy 5.9% Materials 4.8% Health Care 3.3% Cash, Cash Equivalents and Repurchase Agreements 2.8%
Exposure Basis Explanation [Text Block]	Top 10 Holdings (% of Net Assets) Taiwan Semiconductor Manufacturing Co. Ltd. 5.1% China Construction Bank Corp.,, H 3.1% ASE Technology Holding Co. Ltd. 2.8% Lenovo Group Ltd. 2.7% Indus Towers Ltd. 2.4% MediaTek, Inc. 2.2% OTP Bank Nyrt 2.1% SK Hynix, Inc. 2.1% BB Seguridade Participacoes SA 2.0% Banco do Brasil SA 1.9%
Material Fund Change [Text Block]
C000028468
Shareholder Report [Line Items]
Fund Name	Lazard Retirement Emerging Markets Equity Portfolio
Class Name	Service Shares
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Lazard Retirement Emerging Markets Equity Portfolio for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Portfolio at www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR Contact.US Lazard.com
Additional Information Phone Number	(800) 823-6300
Additional Information Email	Contact.US@Lazard.com</span>" id="sjs-B91">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">Contact.US@Lazard.com&lt;/span>
Additional Information Website	www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR</span>" id="sjs-B92">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR&lt;/span>
Expenses [Text Block]	What were the Portfolio costs for the last six months ? (based on a $10,000 investment and annualized for periods of less than one year) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Service Shares $72 1.40%
Expenses Paid, Amount	$ 72
Expense Ratio, Percent	1.40%
Performance Past Does Not Indicate Future [Text]	The performance quoted represents past performance</span>.<span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.</span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. " id="sjs-B96" xml:space="preserve">&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">The performance quoted represents past performance&lt;/span>.&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.&lt;/span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares.
Line Graph [Table Text Block]	Service Shares MSCI Emerging Markets Index 06/14 $10,000 $10,000 07/14 $10,107 $10,193 08/14 $10,315 $10,422 09/14 $9,403 $9,650 10/14 $9,647 $9,764 11/14 $9,489 $9,660 12/14 $8,759 $9,215 01/15 $8,710 $9,270 02/15 $8,903 $9,558 03/15 $8,592 $9,422 04/15 $9,193 $10,147 05/15 $8,851 $9,740 06/15 $8,671 $9,486 07/15 $8,210 $8,829 08/15 $7,413 $8,030 09/15 $7,030 $7,788 10/15 $7,510 $8,344 11/15 $7,325 $8,018 12/15 $7,002 $7,839 01/16 $6,815 $7,331 02/16 $6,685 $7,319 03/16 $7,627 $8,287 04/16 $7,863 $8,332 05/16 $7,560 $8,021 06/16 $8,001 $8,342 07/16 $8,376 $8,762 08/16 $8,489 $8,980 09/16 $8,699 $9,096 10/16 $8,757 $9,117 11/16 $8,270 $8,698 12/16 $8,457 $8,717 01/17 $8,890 $9,194 02/17 $9,137 $9,475 03/17 $9,367 $9,714 04/17 $9,529 $9,927 05/17 $9,606 $10,221 06/17 $9,556 $10,324 07/17 $10,075 $10,939 08/17 $10,271 $11,183 09/17 $10,190 $11,138 10/17 $10,425 $11,529 11/17 $10,389 $11,552 12/17 $10,810 $11,967 01/18 $11,685 $12,964 02/18 $11,163 $12,366 03/18 $11,012 $12,136 04/18 $10,691 $12,083 05/18 $9,958 $11,655 06/18 $9,504 $11,172 07/18 $9,779 $11,417 08/18 $9,269 $11,109 09/18 $9,342 $11,050 10/18 $8,851 $10,088 11/18 $9,131 $10,503 12/18 $8,804 $10,224 01/19 $9,811 $11,120 02/19 $9,502 $11,144 03/19 $9,451 $11,238 04/19 $9,666 $11,475 05/19 $9,230 $10,642 06/19 $9,718 $11,306 07/19 $9,511 $11,168 08/19 $9,012 $10,623 09/19 $9,343 $10,826 10/19 $9,697 $11,283 11/19 $9,692 $11,267 12/19 $10,402 $12,107 01/20 $9,763 $11,543 02/20 $9,087 $10,935 03/20 $7,229 $9,251 04/20 $7,721 $10,098 05/20 $7,877 $10,176 06/20 $8,090 $10,924 07/20 $8,506 $11,900 08/20 $8,398 $12,163 09/20 $8,267 $11,969 10/20 $8,252 $12,215 11/20 $9,448 $13,345 12/20 $10,269 $14,326 01/21 $10,274 $14,766 02/21 $10,478 $14,878 03/21 $10,775 $14,654 04/21 $10,886 $15,018 05/21 $11,450 $15,367 06/21 $11,367 $15,393 07/21 $10,911 $14,357 08/21 $11,202 $14,733 09/21 $10,875 $14,148 10/21 $10,890 $14,288 11/21 $10,409 $13,705 12/21 $10,830 $13,963 01/22 $11,058 $13,699 02/22 $10,563 $13,290 03/22 $10,394 $12,989 04/22 $9,830 $12,267 05/22 $10,157 $12,321 06/22 $9,166 $11,502 07/22 $9,270 $11,473 08/22 $9,157 $11,521 09/22 $8,193 $10,171 10/22 $8,285 $9,856 11/22 $9,445 $11,317 12/22 $9,193 $11,158 01/23 $10,019 $12,039 02/23 $9,655 $11,259 03/23 $9,917 $11,600 04/23 $10,009 $11,469 05/23 $9,783 $11,276 06/23 $10,409 $11,705 07/23 $10,845 $12,434 08/23 $10,372 $11,668 09/23 $10,269 $11,362 10/23 $10,064 $10,920 11/23 $10,782 $11,794 12/23 $11,241 $12,255 01/24 $10,847 $11,686 02/24 $11,327 $12,243 03/24 $11,505 $12,546 04/24 $11,570 $12,603 05/24 $11,856 $12,673 06/24 $12,158 $13,170
Average Annual Return [Table Text Block]	1 Year 5 Years 10 Years Service Shares 16.80% 4.58% 1.97% MSCI Emerging Markets Index 12.55% 3.10% 2.79%
AssetsNet	$ 326,443,292	$ 326,443,292
Holdings Count | Holding	82	82
Advisory Fees Paid, Amount	$ 1,593,690
InvestmentCompanyPortfolioTurnover	11%
Additional Fund Statistics [Text Block]	Key Portfolio Statistics Total Net Assets $326,443,292 # of Portfolio Holdings 82 Portfolio Turnover Rate 11% Total Advisory Fees Paid $1,593,690
Holdings [Text Block]	Top 10 Sectors (% of Net Assets) Financials 26.1% Information Technology 21.8% Consumer Discretionary 10.1% Communication Services 9.1% Industrials 7.3% Consumer Staples 6.8% Energy 5.9% Materials 4.8% Health Care 3.3% Cash, Cash Equivalents and Repurchase Agreements 2.8%
Exposure Basis Explanation [Text Block]	Top 10 Holdings (% of Net Assets) Taiwan Semiconductor Manufacturing Co. Ltd. 5.1% China Construction Bank Corp.,, H 3.1% ASE Technology Holding Co. Ltd. 2.8% Lenovo Group Ltd. 2.7% Indus Towers Ltd. 2.4% MediaTek, Inc. 2.2% OTP Bank Nyrt 2.1% SK Hynix, Inc. 2.1% BB Seguridade Participacoes SA 2.0% Banco do Brasil SA 1.9%
Material Fund Change [Text Block]
C000113248
Shareholder Report [Line Items]
Fund Name	Lazard Retirement Global Dynamic Multi-Asset Portfolio
Class Name	Investor Shares
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Lazard Retirement Global Dynamic Multi-Asset Portfolio for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Portfolio at www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR Contact.US Lazard.com
Additional Information Phone Number	(800) 823-6300
Additional Information Email	Contact.US@Lazard.com</span>" id="sjs-B115">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">Contact.US@Lazard.com&lt;/span>
Additional Information Website	www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR</span>" id="sjs-B116">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR&lt;/span>
Expenses [Text Block]	What were the Portfolio costs for the last six months ? (based on a $10,000 investment and annualized for periods of less than one year) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Investor Shares $46 0.90%
Expenses Paid, Amount	$ 46
Expense Ratio, Percent	0.90%
Performance Past Does Not Indicate Future [Text]	The performance quoted represents past performance</span>.<span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.</span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. " id="sjs-B120" xml:space="preserve">&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">The performance quoted represents past performance&lt;/span>.&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.&lt;/span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares.
Line Graph [Table Text Block]	Investor Shares MSCI World Index GDMA Index 12/18 $10,000 $10,000 $10,000 12/18 $10,000 $10,000 $10,000 01/19 $10,551 $10,778 $10,465 02/19 $10,749 $11,102 $10,593 03/19 $10,870 $11,248 $10,728 04/19 $10,999 $11,647 $10,903 05/19 $10,672 $10,975 $10,662 06/19 $11,189 $11,698 $11,131 07/19 $11,197 $11,757 $11,144 08/19 $11,097 $11,516 $11,142 09/19 $11,157 $11,761 $11,205 10/19 $11,304 $12,060 $11,385 11/19 $11,494 $12,396 $11,500 12/19 $11,779 $12,768 $11,706 01/20 $11,736 $12,690 $11,745 02/20 $10,968 $11,618 $11,288 03/20 $9,975 $10,081 $10,414 04/20 $10,208 $11,182 $11,085 05/20 $10,424 $11,722 $11,377 06/20 $10,571 $12,033 $11,579 07/20 $10,950 $12,608 $12,041 08/20 $11,276 $13,450 $12,433 09/20 $11,083 $12,986 $12,197 10/20 $10,899 $12,587 $12,015 11/20 $11,549 $14,197 $12,893 12/20 $11,892 $14,799 $13,252 01/21 $11,760 $14,653 $13,128 02/21 $11,804 $15,028 $13,183 03/21 $11,997 $15,528 $13,276 04/21 $12,375 $16,250 $13,669 05/21 $12,542 $16,484 $13,831 06/21 $12,613 $16,730 $13,873 07/21 $12,859 $17,029 $14,090 08/21 $13,048 $17,453 $14,236 09/21 $12,569 $16,729 $13,815 10/21 $13,085 $17,676 $14,189 11/21 $12,904 $17,289 $14,013 12/21 $13,338 $18,027 $14,303 01/22 $12,705 $17,073 $13,778 02/22 $12,479 $16,641 $13,522 03/22 $12,370 $17,097 $13,502 04/22 $11,538 $15,676 $12,571 05/22 $11,584 $15,689 $12,593 06/22 $10,969 $14,330 $11,845 07/22 $11,421 $15,468 $12,441 08/22 $10,917 $14,822 $11,936 09/22 $10,205 $13,443 $11,074 10/22 $10,465 $14,408 $11,434 11/22 $11,119 $15,410 $12,100 12/22 $11,033 $14,755 $11,877 01/23 $11,456 $15,800 $12,492 02/23 $11,061 $15,420 $12,134 03/23 $11,398 $15,897 $12,514 04/23 $11,533 $16,175 $12,652 05/23 $11,264 $16,013 $12,465 06/23 $11,639 $16,982 $12,841 07/23 $11,812 $17,553 $13,102 08/23 $11,632 $17,133 $12,856 09/23 $11,194 $16,395 $12,390 10/23 $10,990 $15,919 $12,136 11/23 $11,744 $17,413 $13,011 12/23 $12,253 $18,267 $13,601 01/24 $12,304 $18,487 $13,588 02/24 $12,569 $19,271 $13,791 03/24 $12,864 $19,889 $14,050 04/24 $12,416 $19,151 $13,612 05/24 $12,844 $20,007 $14,005 06/24 $12,926 $20,444 $14,138
Average Annual Return [Table Text Block]	1 Year 5 Years Since Inception 12/31/18 Investor Shares 11.05% 2.93% 4.78% MSCI World Index 20.19% 11.78% 13.85% GDMA Index 10.26% 4.93% 6.52%
Performance Inception Date		Dec. 31, 2018
AssetsNet	$ 234,643,460	$ 234,643,460
Holdings Count | Holding	527	527
Advisory Fees Paid, Amount	$ 735,113
InvestmentCompanyPortfolioTurnover	30%
Additional Fund Statistics [Text Block]	Key Portfolio Statistics Total Net Assets $234,643,460 # of Portfolio Holdings 527 Portfolio Turnover Rate 30% Total Advisory Fees Paid $735,113
Holdings [Text Block]	Top 10 Sectors (% of Net Assets) Sovereign Debt 21.5% Information Technology 14.6% Financials 13.6% Health Care 10.3% Industrials 8.2% Consumer Discretionary 6.9% Communication Services 6.5% Consumer Staples 6.4% U.S. Treasury Securities 2.7% Real Estate 2.2%
Exposure Basis Explanation [Text Block]	Top 10 Holdings (% of Net Assets) Microsoft Corp. 2.4% NVIDIA Corp. 2.4% Apple, Inc. 1.8% Alphabet, Inc.,, C 1.3% iShares MSCI World ETF 1.2% U.S. Treasury Bonds 1.750% due 08/15/41 1.2% Meta Platforms, Inc.,, A 0.9% Novo Nordisk AS,, B 0.8% Amazon.com, Inc. 0.8% Spain Government Bonds (Spain) 1.000% due 07/30/42 0.7%
Material Fund Change [Text Block]
C000113249
Shareholder Report [Line Items]
Fund Name	Lazard Retirement Global Dynamic Multi-Asset Portfolio
Class Name	Service Shares
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about the Lazard Retirement Global Dynamic Multi-Asset Portfolio for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Portfolio at www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR Contact.US Lazard.com
Additional Information Phone Number	(800) 823-6300
Additional Information Email	Contact.US@Lazard.com</span>" id="sjs-B140">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">Contact.US@Lazard.com&lt;/span>
Additional Information Website	www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR</span>" id="sjs-B141">&lt;span style="box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.lazardassetmanagement.com/us/en_us/funds/list/mutual-funds/42#TSR&lt;/span>
Expenses [Text Block]	What were the Portfolio costs for the last six months ? (based on a $10,000 investment and annualized for periods of less than one year) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Service Shares $54 1.05%
Expenses Paid, Amount	$ 54
Expense Ratio, Percent	1.05%
Performance Past Does Not Indicate Future [Text]	The performance quoted represents past performance</span>.<span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.</span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. " id="sjs-B145" xml:space="preserve">&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;">The performance quoted represents past performance&lt;/span>.&lt;span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 83, 154); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left;"> Past performance does not guarantee future results.&lt;/span> The current performance may be lower or higher than the performance data quoted. The performance graph and table do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares.
Line Graph [Table Text Block]	Service Shares MSCI World Index GDMA Index 06/14 $10,000 $10,000 $10,000 07/14 $9,820 $9,840 $9,875 08/14 $10,007 $10,056 $10,011 09/14 $9,756 $9,784 $9,736 10/14 $9,881 $9,848 $9,768 11/14 $9,991 $10,044 $9,848 12/14 $9,861 $9,883 $9,735 01/15 $9,695 $9,704 $9,639 02/15 $10,111 $10,273 $9,881 03/15 $9,961 $10,111 $9,757 04/15 $10,160 $10,349 $9,923 05/15 $10,152 $10,384 $9,851 06/15 $10,002 $10,142 $9,715 07/15 $10,144 $10,324 $9,814 08/15 $9,635 $9,640 $9,495 09/15 $9,501 $9,285 $9,344 10/15 $9,944 $10,020 $9,724 11/15 $9,902 $9,970 $9,619 12/15 $9,817 $9,794 $9,560 01/16 $9,502 $9,209 $9,316 02/16 $9,451 $9,140 $9,385 03/16 $9,962 $9,761 $9,830 04/16 $10,039 $9,903 $9,986 05/16 $10,031 $9,959 $9,947 06/16 $10,065 $9,847 $10,036 07/16 $10,346 $10,263 $10,286 08/16 $10,262 $10,271 $10,265 09/16 $10,330 $10,325 $10,321 10/16 $10,073 $10,126 $10,078 11/16 $10,013 $10,271 $9,950 12/16 $10,141 $10,517 $10,046 01/17 $10,365 $10,770 $10,224 02/17 $10,605 $11,069 $10,390 03/17 $10,716 $11,187 $10,453 04/17 $10,896 $11,353 $10,589 05/17 $11,111 $11,593 $10,783 06/17 $11,137 $11,637 $10,799 07/17 $11,394 $11,916 $11,019 08/17 $11,462 $11,932 $11,081 09/17 $11,644 $12,200 $11,156 10/17 $11,825 $12,430 $11,240 11/17 $12,101 $12,700 $11,424 12/17 $12,223 $12,871 $11,521 01/18 $12,749 $13,551 $11,894 02/18 $12,268 $12,990 $11,595 03/18 $12,169 $12,707 $11,530 04/18 $12,160 $12,853 $11,504 05/18 $12,214 $12,934 $11,497 06/18 $12,151 $12,927 $11,468 07/18 $12,432 $13,331 $11,638 08/18 $12,566 $13,496 $11,716 09/18 $12,593 $13,572 $11,698 10/18 $11,848 $12,575 $11,204 11/18 $11,957 $12,719 $11,284 12/18 $11,421 $11,752 $10,969 01/19 $12,050 $12,666 $11,479 02/19 $12,276 $13,048 $11,620 03/19 $12,414 $13,219 $11,768 04/19 $12,562 $13,688 $11,960 05/19 $12,188 $12,898 $11,696 06/19 $12,778 $13,748 $12,210 07/19 $12,788 $13,817 $12,224 08/19 $12,673 $13,534 $12,223 09/19 $12,752 $13,822 $12,291 10/19 $12,910 $14,173 $12,489 11/19 $13,127 $14,568 $12,615 12/19 $13,452 $15,005 $12,841 01/20 $13,393 $14,914 $12,883 02/20 $12,526 $13,654 $12,382 03/20 $11,382 $11,847 $11,424 04/20 $11,648 $13,141 $12,159 05/20 $11,895 $13,776 $12,480 06/20 $12,062 $14,141 $12,701 07/20 $12,496 $14,817 $13,208 08/20 $12,859 $15,806 $13,639 09/20 $12,639 $15,261 $13,380 10/20 $12,428 $14,793 $13,180 11/20 $13,160 $16,685 $14,142 12/20 $13,561 $17,392 $14,537 01/21 $13,410 $17,220 $14,401 02/21 $13,450 $17,661 $14,461 03/21 $13,671 $18,249 $14,563 04/21 $14,102 $19,097 $14,994 05/21 $14,292 $19,372 $15,172 06/21 $14,373 $19,661 $15,218 07/21 $14,643 $20,013 $15,455 08/21 $14,860 $20,511 $15,616 09/21 $14,303 $19,660 $15,154 10/21 $14,901 $20,773 $15,565 11/21 $14,684 $20,318 $15,372 12/21 $15,179 $21,185 $15,690 01/22 $14,457 $20,065 $15,114 02/22 $14,200 $19,557 $14,833 03/22 $14,076 $20,093 $14,811 04/22 $13,127 $18,423 $13,790 05/22 $13,179 $18,438 $13,814 06/22 $12,478 $16,841 $12,993 07/22 $12,993 $18,178 $13,647 08/22 $12,410 $17,419 $13,093 09/22 $11,599 $15,799 $12,148 10/22 $11,895 $16,933 $12,542 11/22 $12,630 $18,110 $13,273 12/22 $12,542 $17,340 $13,028 01/23 $13,013 $18,568 $13,703 02/23 $12,575 $18,122 $13,311 03/23 $12,948 $18,682 $13,727 04/23 $13,101 $19,009 $13,878 05/23 $12,794 $18,819 $13,673 06/23 $13,211 $19,958 $14,086 07/23 $13,419 $20,628 $14,372 08/23 $13,202 $20,135 $14,102 09/23 $12,703 $19,267 $13,591 10/23 $12,483 $18,709 $13,313 11/23 $13,330 $20,463 $14,272 12/23 $13,898 $21,468 $14,919 01/24 $13,956 $21,726 $14,906 02/24 $14,258 $22,647 $15,128 03/24 $14,594 $23,374 $15,412 04/24 $14,084 $22,507 $14,931 05/24 $14,571 $23,513 $15,363 06/24 $14,664 $24,021 $15,510
Average Annual Return [Table Text Block]	1 Year 5 Years 10 Years Service Shares 11.00% 2.79% 3.90% MSCI World Index 20.19% 11.78% 9.16% GDMA Index 10.26% 4.93% 4.49%
AssetsNet	$ 234,643,460	$ 234,643,460
Holdings Count | Holding	527	527
Advisory Fees Paid, Amount	$ 735,113
InvestmentCompanyPortfolioTurnover	30%
Additional Fund Statistics [Text Block]	Key Portfolio Statistics Total Net Assets $234,643,460 # of Portfolio Holdings 527 Portfolio Turnover Rate 30% Total Advisory Fees Paid $735,113
Holdings [Text Block]	Top 10 Sectors (% of Net Assets) Sovereign Debt 21.5% Information Technology 14.6% Financials 13.6% Health Care 10.3% Industrials 8.2% Consumer Discretionary 6.9% Communication Services 6.5% Consumer Staples 6.4% U.S. Treasury Securities 2.7% Real Estate 2.2%
Exposure Basis Explanation [Text Block]	Top 10 Holdings (% of Net Assets) Microsoft Corp. 2.4% NVIDIA Corp. 2.4% Apple, Inc. 1.8% Alphabet, Inc.,, C 1.3% iShares MSCI World ETF 1.2% U.S. Treasury Bonds 1.750% due 08/15/41 1.2% Meta Platforms, Inc.,, A 0.9% Novo Nordisk AS,, B 0.8% Amazon.com, Inc. 0.8% Spain Government Bonds (Spain) 1.000% due 07/30/42 0.7%
Material Fund Change [Text Block]

Shareholder Report, Line Graph

Shareholder Report, Line Graph (Details) - USD ($)	6 Months Ended
	Jun. 30, 2024	May 31, 2024	Apr. 30, 2024	Mar. 31, 2024	Feb. 29, 2024	Jan. 31, 2024	Dec. 31, 2023	Nov. 30, 2023	Oct. 31, 2023	Sep. 30, 2023	Aug. 31, 2023	Jul. 31, 2023	Jun. 30, 2023	May 31, 2023	Apr. 30, 2023	Mar. 31, 2023	Feb. 28, 2023	Jan. 31, 2023	Dec. 31, 2022	Nov. 30, 2022	Oct. 31, 2022	Sep. 30, 2022	Aug. 31, 2022	Jul. 31, 2022	Jun. 30, 2022	May 31, 2022	Apr. 30, 2022	Mar. 31, 2022	Feb. 28, 2022	Jan. 31, 2022	Dec. 31, 2021	Nov. 30, 2021	Oct. 31, 2021	Sep. 30, 2021	Aug. 31, 2021	Jul. 31, 2021	Jun. 30, 2021	May 31, 2021	Apr. 30, 2021	Mar. 31, 2021	Feb. 28, 2021	Jan. 31, 2021	Dec. 31, 2020	Nov. 30, 2020	Oct. 31, 2020	Sep. 30, 2020	Aug. 31, 2020	Jul. 31, 2020	Jun. 30, 2020	May 31, 2020	Apr. 30, 2020	Mar. 31, 2020	Feb. 29, 2020	Jan. 31, 2020	Dec. 31, 2019	Nov. 30, 2019	Oct. 31, 2019	Sep. 30, 2019	Aug. 31, 2019	Jul. 31, 2019	Jun. 30, 2019	May 31, 2019	Apr. 30, 2019	Mar. 31, 2019	Feb. 28, 2019	Jan. 31, 2019	Dec. 31, 2018	Dec. 30, 2018	Nov. 30, 2018	Oct. 31, 2018	Sep. 30, 2018	Aug. 31, 2018	Jul. 31, 2018	Jun. 30, 2018	May 31, 2018	Apr. 30, 2018	Mar. 31, 2018	Feb. 28, 2018	Jan. 31, 2018	Dec. 31, 2017	Nov. 30, 2017	Oct. 31, 2017	Sep. 30, 2017	Aug. 31, 2017	Jul. 31, 2017	Jun. 30, 2017	May 31, 2017	Apr. 30, 2017	Mar. 31, 2017	Feb. 28, 2017	Jan. 31, 2017	Dec. 31, 2016	Nov. 30, 2016	Oct. 31, 2016	Sep. 30, 2016	Aug. 31, 2016	Jul. 31, 2016	Jun. 30, 2016	May 31, 2016	Apr. 30, 2016	Mar. 31, 2016	Feb. 29, 2016	Jan. 31, 2016	Dec. 31, 2015	Nov. 30, 2015	Oct. 31, 2015	Sep. 30, 2015	Aug. 31, 2015	Jul. 31, 2015	Jun. 30, 2015	May 31, 2015	Apr. 30, 2015	Mar. 31, 2015	Feb. 28, 2015	Jan. 31, 2015	Dec. 31, 2014	Nov. 30, 2014	Oct. 31, 2014	Sep. 30, 2014	Aug. 31, 2014	Jul. 31, 2014	Jun. 30, 2014
C000028478
Account Value [Line Items]
Line Graph and Table Measure Name	Service Shares
C000028474
Account Value [Line Items]
Line Graph and Table Measure Name	Service Shares
C000028469
Account Value [Line Items]
Line Graph and Table Measure Name	Investor Shares
C000028468
Account Value [Line Items]
Line Graph and Table Measure Name	Service Shares
C000113248
Account Value [Line Items]
Line Graph and Table Measure Name	Investor Shares
C000113249
Account Value [Line Items]
Line Graph and Table Measure Name	Service Shares
Lazard Index: MSCI EAFE Index
Account Value [Line Items]
Line Graph and Table Measure Name	MSCI EAFE Index
Account Value	$ 15,285	$ 15,530	$ 14,952	$ 15,345	$ 14,856	$ 14,589	$ 14,505	$ 13,773	$ 12,604	$ 13,136	$ 13,601	$ 14,143	$ 13,699	$ 13,103	$ 13,681	$ 13,306	$ 12,984	$ 13,261	$ 12,267	$ 12,258	$ 11,017	$ 10,455	$ 11,533	$ 12,108	$ 11,534	$ 12,714	$ 12,619	$ 13,492	$ 13,406	$ 13,648	$ 14,340	$ 13,642	$ 14,307	$ 13,964	$ 14,381	$ 14,132	$ 14,027	$ 14,187	$ 13,739	$ 13,338	$ 13,038	$ 12,752	$ 12,890	$ 12,317	$ 10,664	$ 11,108	$ 11,404	$ 10,847	$ 10,600	$ 10,251	$ 9,824	$ 9,228	$ 10,649	$ 11,708	$ 11,958	$ 11,581	$ 11,452	$ 11,055	$ 10,746	$ 11,032	$ 11,174	$ 10,549	$ 11,080	$ 10,778	$ 10,710	$ 10,444	$ 9,800		$ 10,299	$ 10,313	$ 11,205	$ 11,108	$ 11,327	$ 11,055	$ 11,192	$ 11,449	$ 11,193	$ 11,399	$ 11,938	$ 11,367	$ 11,188	$ 11,072	$ 10,906	$ 10,641	$ 10,645	$ 10,347	$ 10,366	$ 9,999	$ 9,751	$ 9,490	$ 9,356	$ 9,093	$ 8,792	$ 8,971	$ 9,158	$ 9,047	$ 9,040	$ 8,604	$ 8,903	$ 8,985	$ 8,732	$ 8,199	$ 8,352	$ 9,003	$ 9,126	$ 9,270	$ 8,598	$ 9,058	$ 9,778	$ 9,579	$ 9,858	$ 9,908	$ 9,520	$ 9,667	$ 9,121	$ 9,077	$ 9,402	$ 9,276	$ 9,412	$ 9,788	$ 9,803	$ 10,000
Lazard Index: Russell 3000 Index
Account Value [Line Items]
Line Graph and Table Measure Name	Russell 3000 Index
Account Value	$ 31,475	30,530	29,152	30,494	29,541	28,024	27,717	26,321	24,076	24,732	25,969	26,480	25,563	23,929	23,837	23,585	22,971	23,521	22,005	23,374	22,214	20,531	22,629	23,506	21,490	23,452	23,484	25,799	24,988	25,634	27,237	26,205	26,610	24,924	26,095	25,372	24,950	24,349	24,239	23,050	22,253	21,578	21,675	20,741	18,492	18,900	19,614	18,289	17,306	16,920	16,061	14,182	16,444	17,910	17,929	17,426	16,788	16,434	16,151	16,487	16,245	15,179	16,230	15,606	15,382	14,859	13,685		15,089	14,793	15,968	15,942	15,401	14,907	14,810	14,403	14,349	14,642	15,203	14,442	14,299	13,877	13,581	13,258	13,232	12,987	12,871	12,741	12,607	12,599	12,147	11,922	11,694	11,193	11,441	11,423	11,394	10,959	10,936	10,744	10,678	9,976	9,979	10,576	10,797	10,738	9,952	10,250	10,909	10,729	10,912	10,763	10,715	10,825	10,232	10,525	10,525	10,276	10,001	10,214	9,803	10,000
Lazard Index: MSCI Emerging Markets Index
Account Value [Line Items]
Line Graph and Table Measure Name	MSCI Emerging Markets Index
Account Value	$ 13,170	12,673	12,603	12,546	12,243	11,686	12,255	11,794	10,920	11,362	11,668	12,434	11,705	11,276	11,469	11,600	11,259	12,039	11,158	11,317	9,856	10,171	11,521	11,473	11,502	12,321	12,267	12,989	13,290	13,699	13,963	13,705	14,288	14,148	14,733	14,357	15,393	15,367	15,018	14,654	14,878	14,766	14,326	13,345	12,215	11,969	12,163	11,900	10,924	10,176	10,098	9,251	10,935	11,543	12,107	11,267	11,283	10,826	10,623	11,168	11,306	10,642	11,475	11,238	11,144	11,120	10,224		10,503	10,088	11,050	11,109	11,417	11,172	11,655	12,083	12,136	12,366	12,964	11,967	11,552	11,529	11,138	11,183	10,939	10,324	10,221	9,927	9,714	9,475	9,194	8,717	8,698	9,117	9,096	8,980	8,762	8,342	8,021	8,332	8,287	7,319	7,331	7,839	8,018	8,344	7,788	8,030	8,829	9,486	9,740	10,147	9,422	9,558	9,270	9,215	9,660	9,764	9,650	10,422	10,193	10,000
Lazard Index: MSCI Emerging Markets Index
Account Value [Line Items]
Line Graph and Table Measure Name	MSCI Emerging Markets Index
Account Value	$ 13,170	12,673	12,603	12,546	12,243	11,686	12,255	11,794	10,920	11,362	11,668	12,434	11,705	11,276	11,469	11,600	11,259	12,039	11,158	11,317	9,856	10,171	11,521	11,473	11,502	12,321	12,267	12,989	13,290	13,699	13,963	13,705	14,288	14,148	14,733	14,357	15,393	15,367	15,018	14,654	14,878	14,766	14,326	13,345	12,215	11,969	12,163	11,900	10,924	10,176	10,098	9,251	10,935	11,543	12,107	11,267	11,283	10,826	10,623	11,168	11,306	10,642	11,475	11,238	11,144	11,120	10,224		10,503	10,088	11,050	11,109	11,417	11,172	11,655	12,083	12,136	12,366	12,964	11,967	11,552	11,529	11,138	11,183	10,939	10,324	10,221	9,927	9,714	9,475	9,194	8,717	8,698	9,117	9,096	8,980	8,762	8,342	8,021	8,332	8,287	7,319	7,331	7,839	8,018	8,344	7,788	8,030	8,829	9,486	9,740	10,147	9,422	9,558	9,270	9,215	9,660	9,764	9,650	10,422	10,193	10,000
Lazard Index: MSCI World Index
Account Value [Line Items]
Line Graph and Table Measure Name	MSCI World Index
Account Value	$ 20,444	20,007	19,151	19,889	19,271	18,487	18,267	17,413	15,919	16,395	17,133	17,553	16,982	16,013	16,175	15,897	15,420	15,800	14,755	15,410	14,408	13,443	14,822	15,468	14,330	15,689	15,676	17,097	16,641	17,073	18,027	17,289	17,676	16,729	17,453	17,029	16,730	16,484	16,250	15,528	15,028	14,653	14,799	14,197	12,587	12,986	13,450	12,608	12,033	11,722	11,182	10,081	11,618	12,690	12,768	12,396	12,060	11,761	11,516	11,757	11,698	10,975	11,647	11,248	11,102	10,778	10,000	$ 10,000
Lazard Index: MSCI World Index
Account Value [Line Items]
Line Graph and Table Measure Name	MSCI World Index
Account Value	$ 24,021	23,513	22,507	23,374	22,647	21,726	21,468	20,463	18,709	19,267	20,135	20,628	19,958	18,819	19,009	18,682	18,122	18,568	17,340	18,110	16,933	15,799	17,419	18,178	16,841	18,438	18,423	20,093	19,557	20,065	21,185	20,318	20,773	19,660	20,511	20,013	19,661	19,372	19,097	18,249	17,661	17,220	17,392	16,685	14,793	15,261	15,806	14,817	14,141	13,776	13,141	11,847	13,654	14,914	15,005	14,568	14,173	13,822	13,534	13,817	13,748	12,898	13,688	13,219	13,048	12,666	11,752		12,719	12,575	13,572	13,496	13,331	12,927	12,934	12,853	12,707	12,990	13,551	12,871	12,700	12,430	12,200	11,932	11,916	11,637	11,593	11,353	11,187	11,069	10,770	10,517	10,271	10,126	10,325	10,271	10,263	9,847	9,959	9,903	9,761	9,140	9,209	9,794	9,970	10,020	9,285	9,640	10,324	10,142	10,384	10,349	10,111	10,273	9,704	9,883	10,044	9,848	9,784	10,056	9,840	10,000
Lazard Index: Russell 2000 Index
Account Value [Line Items]
Line Graph and Table Measure Name	Russell 2000 Index
Account Value	$ 19,677	19,858	18,909	20,340	19,637	18,586	19,339	17,233	15,803	16,959	18,021	18,969	17,875	16,531	16,685	16,990	17,843	18,150	16,538	17,685	17,281	15,567	17,216	17,577	15,915	17,341	17,315	19,219	18,984	18,783	20,784	20,331	21,216	20,351	20,969	20,510	21,278	20,873	20,829	20,401	20,199	19,014	18,104	16,663	14,070	13,781	14,258	13,498	13,134	12,686	11,911	10,472	13,379	14,609	15,094	14,671	14,091	13,730	13,450	14,149	14,067	13,138	14,247	13,778	14,072	13,377	12,024		13,645	13,432	15,068	15,440	14,802	14,549	14,445	13,618	13,502	13,330	13,867	13,514	13,568	13,189	13,077	12,309	12,468	12,376	11,962	12,210	12,077	12,062	11,833	11,787	11,466	10,316	10,830	10,711	10,525	9,932	9,938	9,720	9,569	8,862	8,862	9,716	10,230	9,908	9,380	9,864	10,525	10,648	10,569	10,334	10,604	10,423	9,838	10,166	9,884	9,875	9,264	9,861	9,395	10,000
Lazard Index: GDMA Index
Account Value [Line Items]
Line Graph and Table Measure Name	GDMA Index
Account Value	$ 14,138	14,005	13,612	14,050	13,791	13,588	13,601	13,011	12,136	12,390	12,856	13,102	12,841	12,465	12,652	12,514	12,134	12,492	11,877	12,100	11,434	11,074	11,936	12,441	11,845	12,593	12,571	13,502	13,522	13,778	14,303	14,013	14,189	13,815	14,236	14,090	13,873	13,831	13,669	13,276	13,183	13,128	13,252	12,893	12,015	12,197	12,433	12,041	11,579	11,377	11,085	10,414	11,288	11,745	11,706	11,500	11,385	11,205	11,142	11,144	11,131	10,662	10,903	10,728	10,593	10,465	10,000	$ 10,000
Lazard Index: GDMA Index
Account Value [Line Items]
Line Graph and Table Measure Name	GDMA Index
Account Value	$ 15,510	$ 15,363	$ 14,931	$ 15,412	$ 15,128	$ 14,906	$ 14,919	$ 14,272	$ 13,313	$ 13,591	$ 14,102	$ 14,372	$ 14,086	$ 13,673	$ 13,878	$ 13,727	$ 13,311	$ 13,703	$ 13,028	$ 13,273	$ 12,542	$ 12,148	$ 13,093	$ 13,647	$ 12,993	$ 13,814	$ 13,790	$ 14,811	$ 14,833	$ 15,114	$ 15,690	$ 15,372	$ 15,565	$ 15,154	$ 15,616	$ 15,455	$ 15,218	$ 15,172	$ 14,994	$ 14,563	$ 14,461	$ 14,401	$ 14,537	$ 14,142	$ 13,180	$ 13,380	$ 13,639	$ 13,208	$ 12,701	$ 12,480	$ 12,159	$ 11,424	$ 12,382	$ 12,883	$ 12,841	$ 12,615	$ 12,489	$ 12,291	$ 12,223	$ 12,224	$ 12,210	$ 11,696	$ 11,960	$ 11,768	$ 11,620	$ 11,479	$ 10,969		$ 11,284	$ 11,204	$ 11,698	$ 11,716	$ 11,638	$ 11,468	$ 11,497	$ 11,504	$ 11,530	$ 11,595	$ 11,894	$ 11,521	$ 11,424	$ 11,240	$ 11,156	$ 11,081	$ 11,019	$ 10,799	$ 10,783	$ 10,589	$ 10,453	$ 10,390	$ 10,224	$ 10,046	$ 9,950	$ 10,078	$ 10,321	$ 10,265	$ 10,286	$ 10,036	$ 9,947	$ 9,986	$ 9,830	$ 9,385	$ 9,316	$ 9,560	$ 9,619	$ 9,724	$ 9,344	$ 9,495	$ 9,814	$ 9,715	$ 9,851	$ 9,923	$ 9,757	$ 9,881	$ 9,639	$ 9,735	$ 9,848	$ 9,768	$ 9,736	$ 10,011	$ 9,875	$ 10,000

Shareholder Report, Average Ann

Shareholder Report, Average Annual Return (Details)	6 Months Ended	12 Months Ended	60 Months Ended	66 Months Ended	120 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2024
C000028478
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Service Shares
C000028474
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Service Shares
C000028469
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Investor Shares
C000028468
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Service Shares
C000113248
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Investor Shares
C000113249
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Service Shares
Without Sales Load [Member] | C000028478
Average Annual Return [Line Items]
Average Annual Return, Percent		8.13%	4.46%		3.04%
Without Sales Load [Member] | C000028474
Average Annual Return [Line Items]
Average Annual Return, Percent		9.52%	5.60%		6.18%
Without Sales Load [Member] | C000028469
Average Annual Return [Line Items]
Average Annual Return, Percent		17.13%	4.85%		2.23%
Without Sales Load [Member] | C000028468
Average Annual Return [Line Items]
Average Annual Return, Percent		16.80%	4.58%		1.97%
Without Sales Load [Member] | C000113248
Average Annual Return [Line Items]
Average Annual Return, Percent		11.05%	2.93%	4.78%
Without Sales Load [Member] | C000113249
Average Annual Return [Line Items]
Average Annual Return, Percent		11%	2.79%		3.90%
Lazard Index: MSCI EAFE Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	MSCI EAFE Index
Average Annual Return, Percent		11.54%	6.46%		4.33%
Lazard Index: Russell 3000 Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Russell 3000 Index
Average Annual Return, Percent		23.13%	14.14%		12.15%
Lazard Index: MSCI Emerging Markets Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	MSCI Emerging Markets Index
Average Annual Return, Percent		12.55%	3.10%		2.79%
Lazard Index: MSCI Emerging Markets Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	MSCI Emerging Markets Index
Average Annual Return, Percent		12.55%	3.10%		2.79%
Lazard Index: MSCI World Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	MSCI World Index
Average Annual Return, Percent		20.19%	11.78%	13.85%
Lazard Index: MSCI World Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	MSCI World Index
Average Annual Return, Percent		20.19%	11.78%		9.16%
Lazard Index: Russell 2000 Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Russell 2000 Index
Lazard Index: GDMA Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	GDMA Index
Lazard Index: GDMA Index
Average Annual Return [Line Items]
Line Graph and Table Measure Name	GDMA Index

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Jun. 30, 2024
C000028478 | B2B0DG904
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000028478 | B10RZP905
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000028478 | 874039100
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000028478 | 711038901
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000028478 | G4705A100
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000028478 | 710889908
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000028478 | 642910004
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000028478 | 867224958
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028478 | BD6K45906
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028478 | 663567907
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028478 | SectorIndustrials
Holdings [Line Items]
Percent of Net Asset Value	23.70%
C000028478 | SectorFinancials
Holdings [Line Items]
Percent of Net Asset Value	14.80%
C000028478 | SectorConsumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	12.70%
C000028478 | SectorInformation Technology
Holdings [Line Items]
Percent of Net Asset Value	12.10%
C000028478 | SectorHealth Care
Holdings [Line Items]
Percent of Net Asset Value	9.70%
C000028478 | SectorConsumer Staples
Holdings [Line Items]
Percent of Net Asset Value	9.60%
C000028478 | SectorMaterials
Holdings [Line Items]
Percent of Net Asset Value	5.40%
C000028478 | SectorCommunication Services
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000028478 | SectorEnergy
Holdings [Line Items]
Percent of Net Asset Value	2.90%
C000028478 | SectorUtilities
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000028474 | 85914M107
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000028474 | 860630102
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000028474 | 97650W108
Holdings [Line Items]
Percent of Net Asset Value	2%
C000028474 | 759351604
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000028474 | 11120U105
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000028474 | 194014502
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028474 | 388689101
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028474 | 91307C102
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028474 | 147448104
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028474 | 163086101
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000028474 | SectorIndustrials
Holdings [Line Items]
Percent of Net Asset Value	14.40%
C000028474 | SectorFinancials
Holdings [Line Items]
Percent of Net Asset Value	17.50%
C000028474 | SectorConsumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	12.30%
C000028474 | SectorInformation Technology
Holdings [Line Items]
Percent of Net Asset Value	13.60%
C000028474 | SectorHealth Care
Holdings [Line Items]
Percent of Net Asset Value	14.90%
C000028474 | SectorConsumer Staples
Holdings [Line Items]
Percent of Net Asset Value	5.50%
C000028474 | SectorMaterials
Holdings [Line Items]
Percent of Net Asset Value	3.90%
C000028474 | SectorCommunication Services
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000028474 | SectorEnergy
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000028474 | SectorReal Estate
Holdings [Line Items]
Percent of Net Asset Value	4.50%
C000028469 | 688910900
Holdings [Line Items]
Percent of Net Asset Value	5.10%
C000028469 | B0LMTQ900
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000028469 | ACI126S98
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000028469 | 621808906
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000028469 | B92P9G909
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000028469 | 637248907
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000028469 | 732015904
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000028469 | 645026907
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000028469 | B9N3SQ902
Holdings [Line Items]
Percent of Net Asset Value	2%
C000028469 | 232859900
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000028469 | SectorIndustrials
Holdings [Line Items]
Percent of Net Asset Value	7.30%
C000028469 | SectorFinancials
Holdings [Line Items]
Percent of Net Asset Value	26.10%
C000028469 | SectorConsumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	10.10%
C000028469 | SectorInformation Technology
Holdings [Line Items]
Percent of Net Asset Value	21.80%
C000028469 | SectorHealth Care
Holdings [Line Items]
Percent of Net Asset Value	3.30%
C000028469 | SectorConsumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.80%
C000028469 | SectorMaterials
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000028469 | SectorCommunication Services
Holdings [Line Items]
Percent of Net Asset Value	9.10%
C000028469 | SectorEnergy
Holdings [Line Items]
Percent of Net Asset Value	5.90%
C000028469 | SectorCash, Cash Evivalents and Repurchase Agreements
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000028468 | 688910900
Holdings [Line Items]
Percent of Net Asset Value	5.10%
C000028468 | B0LMTQ900
Holdings [Line Items]
Percent of Net Asset Value	3.10%
C000028468 | ACI126S98
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000028468 | 621808906
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000028468 | B92P9G909
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000028468 | 637248907
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000028468 | 732015904
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000028468 | 645026907
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000028468 | B9N3SQ902
Holdings [Line Items]
Percent of Net Asset Value	2%
C000028468 | 232859900
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000028468 | SectorIndustrials
Holdings [Line Items]
Percent of Net Asset Value	7.30%
C000028468 | SectorFinancials
Holdings [Line Items]
Percent of Net Asset Value	26.10%
C000028468 | SectorConsumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	10.10%
C000028468 | SectorInformation Technology
Holdings [Line Items]
Percent of Net Asset Value	21.80%
C000028468 | SectorHealth Care
Holdings [Line Items]
Percent of Net Asset Value	3.30%
C000028468 | SectorConsumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.80%
C000028468 | SectorMaterials
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000028468 | SectorCommunication Services
Holdings [Line Items]
Percent of Net Asset Value	9.10%
C000028468 | SectorEnergy
Holdings [Line Items]
Percent of Net Asset Value	5.90%
C000028468 | SectorCash, Cash Evivalents and Repurchase Agreements
Holdings [Line Items]
Percent of Net Asset Value	2.80%
C000113248 | 594918104
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000113248 | 67066G104
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000113248 | 037833100
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000113248 | 02079K107
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000113248 | 464286392
Holdings [Line Items]
Percent of Net Asset Value	1.20%
C000113248 | 912810TA6
Holdings [Line Items]
Percent of Net Asset Value	1.20%
C000113248 | 30303M102
Holdings [Line Items]
Percent of Net Asset Value	0.90%
C000113248 | BP6KMJ909
Holdings [Line Items]
Percent of Net Asset Value	0.80%
C000113248 | 023135106
Holdings [Line Items]
Percent of Net Asset Value	0.80%
C000113248 | ACI20B5Q4
Holdings [Line Items]
Percent of Net Asset Value	0.70%
C000113248 | SectorIndustrials
Holdings [Line Items]
Percent of Net Asset Value	8.20%
C000113248 | SectorFinancials
Holdings [Line Items]
Percent of Net Asset Value	13.60%
C000113248 | SectorConsumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	6.90%
C000113248 | SectorInformation Technology
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000113248 | SectorHealth Care
Holdings [Line Items]
Percent of Net Asset Value	10.30%
C000113248 | SectorConsumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000113248 | SectorCommunication Services
Holdings [Line Items]
Percent of Net Asset Value	6.50%
C000113248 | SectorReal Estate
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000113248 | SectorSovereign Debt
Holdings [Line Items]
Percent of Net Asset Value	21.50%
C000113248 | SectorU.S. Treasury Securities
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000113249 | 594918104
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000113249 | 67066G104
Holdings [Line Items]
Percent of Net Asset Value	2.40%
C000113249 | 037833100
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000113249 | 02079K107
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000113249 | 464286392
Holdings [Line Items]
Percent of Net Asset Value	1.20%
C000113249 | 912810TA6
Holdings [Line Items]
Percent of Net Asset Value	1.20%
C000113249 | 30303M102
Holdings [Line Items]
Percent of Net Asset Value	0.90%
C000113249 | BP6KMJ909
Holdings [Line Items]
Percent of Net Asset Value	0.80%
C000113249 | 023135106
Holdings [Line Items]
Percent of Net Asset Value	0.80%
C000113249 | ACI20B5Q4
Holdings [Line Items]
Percent of Net Asset Value	0.70%
C000113249 | SectorIndustrials
Holdings [Line Items]
Percent of Net Asset Value	8.20%
C000113249 | SectorFinancials
Holdings [Line Items]
Percent of Net Asset Value	13.60%
C000113249 | SectorConsumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	6.90%
C000113249 | SectorInformation Technology
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000113249 | SectorHealth Care
Holdings [Line Items]
Percent of Net Asset Value	10.30%
C000113249 | SectorConsumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000113249 | SectorCommunication Services
Holdings [Line Items]
Percent of Net Asset Value	6.50%
C000113249 | SectorReal Estate
Holdings [Line Items]
Percent of Net Asset Value	2.20%
C000113249 | SectorSovereign Debt
Holdings [Line Items]
Percent of Net Asset Value	21.50%
C000113249 | SectorU.S. Treasury Securities
Holdings [Line Items]
Percent of Net Asset Value	2.70%