Performance Management |
Apr. 21, 2026 |
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| DF Dividend VIT Fund | |||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance: | ||||||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The following bar chart and table below provide some indication of the risks of investing in Class 1 shares of the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns compare with those of a broad-based securities market index and the supplemental indexes. Past performance does not necessarily indicate how the Fund will perform in the future. Updated performance information is available at no cost by visiting www.donoghueforlinesfunds.com or by calling 1-877-779-7462.
Donoghue Forlines LLC became the Fund’s Adviser on March 1, 2017. Effective with the change in Adviser, the Fund’s investment objective, investment strategy and benchmark index changed. The pre-March 1, 2017 performance results in the following charts do not reflect the Fund’s current strategy.
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| Performance Past Does Not Indicate Future [Text] | Past performance does not necessarily indicate how the Fund will perform in the future. | ||||||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The following bar chart and table below provide some indication of the risks of investing in Class 1 shares of the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns compare with those of a broad-based securities market index and the supplemental indexes. | ||||||||||||||||||||||||||||||||
| Bar Chart [Heading] | Performance Bar Chart For Calendar Years Ended December 31 | ||||||||||||||||||||||||||||||||
| Bar Chart [Table] |
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| Bar Chart Closing [Text Block] |
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| Highest Quarterly Return, Label [Optional Text] | Best Quarter: | ||||||||||||||||||||||||||||||||
| Highest Quarterly Return | 16.20% | ||||||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Dec. 31, 2020 | ||||||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | ||||||||||||||||||||||||||||||||
| Lowest Quarterly Return | (23.14%) | ||||||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | ||||||||||||||||||||||||||||||||
| Performance Table Heading | Performance Table Average Annual Total Returns (For year 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] | www.donoghueforlinesfunds.com | ||||||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 1-877-779-7462 | ||||||||||||||||||||||||||||||||
| DF Momentum VIT Fund | |||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance: | ||||||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The following bar chart and table below provide some indication of the risks of investing in Class 1 shares of the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns compare with those of a broad-based securities market index and a supplemental index. Past performance does not necessarily indicate how the Fund will perform in the future. Updated performance information is available at no cost by visiting www.donoghueforlinesfunds.com or by calling 1-877-779-7462.
Donoghue Forlines LLC became the Adviser on March 1, 2017. Effective with the change in adviser, the Fund’s investment objective, investment strategy and benchmark index changed. The pre-March 1, 2017 performance results in the following charts do not reflect the Fund’s current strategy.
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| Performance Past Does Not Indicate Future [Text] | Past performance does not necessarily indicate how the Fund will perform in the future. | ||||||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The following bar chart and table below provide some indication of the risks of investing in Class 1 shares of the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns compare with those of a broad-based securities market index and a supplemental index. | ||||||||||||||||||||||||||||||||
| Bar Chart [Heading] | Performance Bar Chart For Calendar Years Ended December 31 | ||||||||||||||||||||||||||||||||
| Bar Chart [Table] |
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| Bar Chart Closing [Text Block] |
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| Highest Quarterly Return, Label [Optional Text] | Best Quarter: | ||||||||||||||||||||||||||||||||
| Highest Quarterly Return | 18.21% | ||||||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Mar. 31, 2024 | ||||||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | ||||||||||||||||||||||||||||||||
| Lowest Quarterly Return | (25.51%) | ||||||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 | ||||||||||||||||||||||||||||||||
| Performance Table Heading | Performance Table Average Annual Total Returns (For year 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] | www.donoghueforlinesfunds.com | ||||||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 1-877-779-7462 |