Performance Management - Ivy Variable Insurance Portfolios Classes - Standard and Service |
Dec. 31, 2025 |
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| Nomura VIP Growth and Income Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Growth and Income Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. The Series adopted the performance of the First Investors Life Series Growth & Income Fund (Predecessor Series) as the result of a reorganization of the Predecessor Series into the Series, which was consummated after the close of business on October 4, 2019 (Reorganization). The Series had not yet commenced operations prior to the Reorganization. The returns shown for periods ending on or prior to October 4, 2019 reflect the performance and expenses of the Predecessor Series. The Predecessor Series was reorganized into the Series after the close of business on October 4, 2019. The returns shown for periods after October 4, 2019 reflect the performance and expenses of the Series. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 17.18% for the quarter ended December 31, 2022, and its lowest quarterly return was -26.66% for the quarter ended March 31, 2020.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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[1] | ||||||||||||||||||||||||||||
| Performance Table Footnotes | Frank Russell Company is the source and owner of the trademarks, service marks, and copyrights related to the Russell Indexes. Russell® is a trademark of Frank Russell Company. | |||||||||||||||||||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Growth and Income Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 17.18% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Dec. 31, 2022 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (26.66%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||||||||||||||||||||
| Nomura VIP Growth Equity Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Growth Equity Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. The Series adopted the performance of the First Investors Life Series Select Growth Fund (Predecessor Series) as the result of a reorganization of the Predecessor Series into the Series, which was consummated after the close of business on October 4, 2019 (Reorganization). The Series had not yet commenced operations prior to the Reorganization. The returns shown for periods ending on or prior to October 4, 2019 reflect the performance and expenses of the Predecessor Series. The Predecessor Series was reorganized into the Series after the close of business on October 4, 2019. The returns shown for periods after October 4, 2019 reflect the performance and expenses of the Series. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 25.47% for the quarter ended June 30, 2020, and its lowest quarterly return was -17.85% for the quarter ended June 30, 2022.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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[2] | ||||||||||||||||||||||||||||
| Performance Table Footnotes | Frank Russell Company is the source and owner of the trademarks, service marks, and copyrights related to the Russell Indexes. Russell® is a trademark of Frank Russell Company. | |||||||||||||||||||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Growth Equity Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 25.47% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (17.85%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Jun. 30, 2022 | |||||||||||||||||||||||||||||
| Nomura VIP Small Cap Value Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Small Cap Value Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 32.61% for the quarter ended December 31, 2020, and its lowest quarterly return was -37.08% for the quarter ended March 31, 2020.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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[3] | ||||||||||||||||||||||||||||
| Performance Table Footnotes | Frank Russell Company is the source and owner of the trademarks, service marks, and copyrights related to the Russell Indexes. Russell® is a trademark of Frank Russell Company. | |||||||||||||||||||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Small Cap Value Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 32.61% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Dec. 31, 2020 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (37.08%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||||||||||||||||||||
| Nomura VIP Opportunity Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Opportunity Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. The Series adopted the performance of the First Investors Life Series Opportunity Fund (Predecessor Series) as the result of a reorganization of the Predecessor Series into the Series, which was consummated after the close of business on October 4, 2019 (Reorganization). The Series had not yet commenced operations prior to the Reorganization. The returns shown for periods ending on or prior to October 4, 2019 reflect the performance and expenses of the Predecessor Series. The Predecessor Series was reorganized into the Series after the close of business on October 4, 2019. The returns shown for periods after October 4, 2019 reflect the performance and expenses of the Series. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 26.67% for the quarter ended December 31, 2020, and its lowest quarterly return was -30.36% for the quarter ended March 31, 2020.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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[4] | ||||||||||||||||||||||||||||
| Performance Table Footnotes | Frank Russell Company is the source and owner of the trademarks, service marks, and copyrights related to the Russell Indexes. Russell® is a trademark of Frank Russell Company. | |||||||||||||||||||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Opportunity Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 26.67% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Dec. 31, 2020 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (30.36%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||||||||||||||||||||
| Nomura VIP Fund for Income Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Fund for Income Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year or lifetime periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. The Series adopted the performance of the First Investors Life Series Fund For Income (Predecessor Series) as the result of a reorganization of the Predecessor Series into the Series, which was consummated after the close of business on October 4, 2019 (Reorganization). The Series had not yet commenced operations prior to the Reorganization. The returns shown for periods ending on or prior to October 4, 2019 reflect the performance and expenses of the Predecessor Series. The Predecessor Series was reorganized into the Series after the close of business on October 4, 2019. The returns shown for periods after October 4, 2019 reflect the performance and expenses of the Series. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year or lifetime periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 9.63% for the quarter ended June 30, 2020, and its lowest quarterly return was -11.16% for the quarter ended March 31, 2020.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Fund for Income Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 9.63% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (11.16%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||||||||||||||||||||
| Nomura VIP Investment Grade Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Investment Grade Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year or lifetime periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. The Series adopted the performance of the First Investors Life Series Investment Grade Fund (Predecessor Series) as the result of a reorganization of the Predecessor Series into the Series, which was consummated after the close of business on October 4, 2019 (Reorganization). The Series had not yet commenced operations prior to the Reorganization. The returns shown for periods ending on or prior to October 4, 2019 reflect the performance and expenses of the Predecessor Series. The Predecessor Series was reorganized into the Series after the close of business on October 4, 2019. The returns shown for periods after October 4, 2019 reflect the performance and expenses of the Series. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year or lifetime periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 10.90% for the quarter ended June 30, 2020, and its lowest quarterly return was -8.43% for the quarter ended June 30, 2022.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Investment Grade Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 10.90% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (8.43%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Jun. 30, 2022 | |||||||||||||||||||||||||||||
| Nomura VIP Limited Duration Bond Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Limited Duration Bond Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. The Series adopted the performance of the First Investors Life Series Limited Duration Bond Fund (Predecessor Series) as the result of a reorganization of the Predecessor Series into the Series, which was consummated after the close of business on October 4, 2019 (Reorganization). The Series had not yet commenced operations prior to the Reorganization. The returns shown for periods ending on or prior to October 4, 2019 reflect the performance and expenses of the Predecessor Series. The Predecessor Series was reorganized into the Series after the close of business on October 4, 2019. The returns shown for periods after October 4, 2019 reflect the performance and expenses of the Series. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 3.05% for the quarter ended December 31, 2023, and its lowest quarterly return was -2.64% for the quarter ended March 31, 2022.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Limited Duration Bond Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 3.05% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Dec. 31, 2023 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (2.64%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2022 | |||||||||||||||||||||||||||||
| Nomura VIP Emerging Markets Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Emerging Markets Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year periods compare with those of a broad measure of market performance. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 26.85% for the quarter ended June 30, 2020, and its lowest quarterly return was -26.33% for the quarter ended March 31, 2020.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees or expenses) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Emerging Markets Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 26.85% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (26.33%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||||||||||||||||||||
| Nomura VIP Total Return Series | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | How has Nomura VIP Total Return Series performed? | |||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year or lifetime periods compare with those of a broad measures of market performance and an additional index with characteristics relevant to the Series. The Series’ past performance is not necessarily an indication of how the Series will perform in the future. The returns reflect any expense caps in effect during these periods. The returns would be lower without the expense caps. The Series adopted the performance of the First Investors Life Series Total Return Fund (Predecessor Series) as the result of a reorganization of the Predecessor Series into the Series, which was consummated after the close of business on October 4, 2019 (Reorganization). The Series had not yet commenced operations prior to the Reorganization. The returns shown for periods ending on or prior to October 4, 2019 reflect the performance and expenses of the Predecessor Series. The Predecessor Series was reorganized into the Series after the close of business on October 4, 2019. The returns shown for periods after October 4, 2019 reflect the performance and expenses of the Series. You may obtain the Series’ most recently available month-end performance by calling 800 523-1918 or by visiting our website at nomuraassetmanagement.com/vip-performance. Performance reflects all Series expenses but does not include any fees or sales charges imposed by variable insurance contracts. If they had been included, the returns shown below would be lower. Investors should consult the variable contract prospectus for more information.
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| Performance Past Does Not Indicate Future [Text] | The Series’ past performance is not necessarily an indication of how the Series will perform in the future. | |||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Series. The bar chart shows changes in the Series’ performance from year to year and the table shows how the Series’ average annual total returns for the 1-, 5-, and 10-year or lifetime periods compare with those of a broad measures of market performance and an additional index with characteristics relevant to the Series. | |||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar year-by-year total return (Standard Class) | |||||||||||||||||||||||||||||
| Bar Chart [Table] | ![]() |
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| Bar Chart Closing [Text Block] | During the periods illustrated in this bar chart, the Standard Class’s highest quarterly return was 10.86% for the quarter ended December 31, 2020, and its lowest quarterly return was -20.43% for the quarter ended March 31, 2020.
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| Performance Table Heading | Average annual total returns for periods ended December 31, 2025 | |||||||||||||||||||||||||||||
| Performance [Table] |
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| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | nomuraassetmanagement.com/vip-performance | |||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 800 523-1918 | |||||||||||||||||||||||||||||
| Nomura VIP Total Return Series | Standard | ||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return | |||||||||||||||||||||||||||||
| Highest Quarterly Return | 10.86% | |||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Dec. 31, 2020 | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return | |||||||||||||||||||||||||||||
| Lowest Quarterly Return | (20.43%) | |||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||||||||||||||||||||
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