Performance Management |
Aug. 22, 2025 |
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Toews Hedged Oceana Fund | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-877-558-6397.
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Performance Past Does Not Indicate Future [Text] | You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. | |||||||||||||||||||||||||||||||||||||||||
Performance Information Illustrates Variability of Returns [Text] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 15.50%. |
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 15.50% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 7.37% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Mar. 31, 2017 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (16.74%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Dec. 31, 2011 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance [Table] |
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Index No Deduction for Fees, Expenses, or Taxes [Text] | reflects no deduction for fees, expense or taxes | |||||||||||||||||||||||||||||||||||||||||
Performance Table Closing [Text Block] | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). |
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Performance Availability Phone [Text] | 1-877-558-6397 | |||||||||||||||||||||||||||||||||||||||||
Toews Tactical Income Fund | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-877-558-6397.
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Performance Past Does Not Indicate Future [Text] | You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. | |||||||||||||||||||||||||||||||||||||||||
Performance Information Illustrates Variability of Returns [Text] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 1.98%. |
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 1.98% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 6.04% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (4.07%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Jun. 30, 2022 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance [Table] |
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Index No Deduction for Fees, Expenses, or Taxes [Text] | reflects no deduction for fees, expenses, or taxes | |||||||||||||||||||||||||||||||||||||||||
Performance Table Closing [Text Block] | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). |
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Performance Availability Phone [Text] | 1-877-558-6397 | |||||||||||||||||||||||||||||||||||||||||
Toews Hedged U.S. Fund | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-877-558-6397.
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Performance Past Does Not Indicate Future [Text] | You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. | |||||||||||||||||||||||||||||||||||||||||
Performance Information Illustrates Variability of Returns [Text] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 5.99%. |
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 5.99% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 14.20% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Mar. 31, 2012 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (11.38%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Sep. 30, 2015 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance [Table] |
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Index No Deduction for Fees, Expenses, or Taxes [Text] | reflects no deduction for fees, expenses, or taxes | |||||||||||||||||||||||||||||||||||||||||
Performance Table Closing [Text Block] | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). |
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Performance Availability Phone [Text] | 1-877-558-6397 | |||||||||||||||||||||||||||||||||||||||||
Toews Hedged U.S. Opportunity Fund | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index and a supplemental index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-877-558-6397.
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Performance Past Does Not Indicate Future [Text] | You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. | |||||||||||||||||||||||||||||||||||||||||
Performance Information Illustrates Variability of Returns [Text] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 0.94%. |
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 0.94% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 19.15% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Dec. 31, 2020 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (12.12%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Sep. 30, 2011 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance [Table] |
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Performance Table Closing [Text Block] | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). |
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Performance Availability Phone [Text] | 1-877-558-6397 | |||||||||||||||||||||||||||||||||||||||||
Toews Unconstrained Income Fund | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-877-558-6397.
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Performance Past Does Not Indicate Future [Text] | You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. | |||||||||||||||||||||||||||||||||||||||||
Performance Information Illustrates Variability of Returns [Text] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 1.72%. |
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 1.72% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 4.08% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Sep. 30, 2024 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (2.78%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Mar. 31, 2018 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Narrative |
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Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance Table Closing [Text Block] | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). |
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Performance Availability Phone [Text] | 1-877-558-6397 | |||||||||||||||||||||||||||||||||||||||||
Toews Tactical Defensive Alpha Fund | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index and a supplement index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-877-558-6397.
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Performance Past Does Not Indicate Future [Text] | You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. | |||||||||||||||||||||||||||||||||||||||||
Performance Information Illustrates Variability of Returns [Text] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 1.21%. |
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 1.21% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 20.66% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (19.48%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Mar. 31, 2020 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Market Index Changed | The Funds primary benchmark index has been changed to S&P 500 Total Return USD Index because it is a more appropriate index given the Funds strategy and portfolio holdings. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance [Table] |
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Index No Deduction for Fees, Expenses, or Taxes [Text] | reflects no deduction for fees, expenses, or taxes | |||||||||||||||||||||||||||||||||||||||||
Performance Table Closing [Text Block] | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA).
The Funds primary benchmark index has been changed to S&P 500 Total Return USD Index because it is a more appropriate index given the Funds strategy and portfolio holdings. |
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Performance Availability Phone [Text] | 1-877-558-6397 | |||||||||||||||||||||||||||||||||||||||||
Toews Agility Shares Dynamic Tactical Income ETF | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-888-604-5506.
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Performance Past Does Not Indicate Future [Text] | You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. | |||||||||||||||||||||||||||||||||||||||||
Performance Information Illustrates Variability of Returns [Text] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 2.52%. |
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 2.52% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 5.71% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (3.58%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Jun. 30, 2022 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance [Table] |
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Performance Table Closing [Text Block] | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). |
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Performance Availability Phone [Text] | 1-888-604-5506 | |||||||||||||||||||||||||||||||||||||||||
Toews Agility Shares Managed Risk ETF | ||||||||||||||||||||||||||||||||||||||||||
Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | Performance: | |||||||||||||||||||||||||||||||||||||||||
Performance Narrative [Text Block] | The bar chart and performance table below show the variability of the Funds returns, which is some indication of the risks of investing in the Fund. The bar chart shows performance of the Funds shares for each full calendar year since the Funds inception. The performance table compares the performance of the Funds shares over time to the performance of a broad-based securities market index. You should be aware that the Funds past performance (before and after taxes) may not be an indication of how the Fund will perform in the future. Updated performance information is available at no cost by calling 1-888-604-5506.
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Bar Chart [Heading] | Performance Bar Chart Calendar Years Ended December 31 | |||||||||||||||||||||||||||||||||||||||||
Bar Chart [Table] |
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Bar Chart Closing [Text Block] |
The total return for Fund shares from January 1, 2025 to June 30, 2025 was 1.95%.
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Year to Date Return, Label [Optional Text] | The total return for Fund shares | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return | 1.95% | |||||||||||||||||||||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Label [Optional Text] | Best Quarter: | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return | 8.35% | |||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return, Date | Dec. 31, 2021 | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return | (8.24%) | |||||||||||||||||||||||||||||||||||||||||
Lowest Quarterly Return, Date | Jun. 30, 2022 | |||||||||||||||||||||||||||||||||||||||||
Performance Table Heading | Performance Table Average Annual Total Returns (For periods ended December 31, 2024) | |||||||||||||||||||||||||||||||||||||||||
Performance Table Market Index Changed | The Funds primary benchmark index has been changed to the S&P 500 Total Return Index because it is a more appropriate index given the Funds strategy and portfolio holdings. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. | |||||||||||||||||||||||||||||||||||||||||
Performance Table Not Relevant to Tax Deferred | Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). | |||||||||||||||||||||||||||||||||||||||||
Performance [Table] |
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Index No Deduction for Fees, Expenses, or Taxes [Text] | reflects no deduction for fees, expense or taxes | |||||||||||||||||||||||||||||||||||||||||
Performance Table Closing [Text Block] | The Funds primary benchmark index has been changed to the S&P 500 Total Return Index because it is a more appropriate index given the Funds strategy and portfolio holdings. The S&P 500 Total Return Index is an unmanaged market capitalization-weighted index which is comprised of 500 of the largest U.S. domiciled companies and includes the reinvestment of all dividends. Investors cannot invest directly in an index or benchmark. CBOE S&P 500 BuyWrite Index is a benchmark index designed to show the hypothetical performance of a portfolio that engages in a buywrite strategy using S&P 500 index call options. Investor cannot invest directly in an index.
After-tax returns are calculated using the highest historical individual federal marginal income tax rate and do not reflect the impact of state and local taxes. Actual after-tax returns depend on a shareholders tax situation and may differ from those shown. The after-tax returns are not relevant if you hold your Fund shares in tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (IRA). |