Annual Fund Operating Expenses |
Apr. 21, 2026 |
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|---|---|---|---|---|
| DF Dividend VIT Fund | ||||
| Prospectus [Line Items] | ||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | October 31, 2027 | |||
| DF Dividend VIT Fund | DF Dividend VIT Fund Class 1 shares | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 1.00% | |||
| Distribution and Service (12b-1) Fees | 0.25% | |||
| Other Expenses (as a percentage of Assets): | 1.52% | |||
| Expenses (as a percentage of Assets) | 2.77% | [1] | ||
| Fee Waiver or Reimbursement | (0.77%) | |||
| Net Expenses (as a percentage of Assets) | 2.00% | |||
| DF Dividend VIT Fund | DF Dividend VIT Fund Class 2 shares | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 1.00% | |||
| Distribution and Service (12b-1) Fees | 0.50% | |||
| Other Expenses (as a percentage of Assets): | 1.52% | |||
| Expenses (as a percentage of Assets) | 3.02% | [1] | ||
| Fee Waiver or Reimbursement | (0.52%) | |||
| Net Expenses (as a percentage of Assets) | 2.50% | |||
| DF Momentum VIT Fund | DF Momentum VIT Fund Class 1 shares | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 1.00% | |||
| Distribution and Service (12b-1) Fees | 0.25% | |||
| Other Expenses (as a percentage of Assets): | 0.31% | |||
| Expenses (as a percentage of Assets) | 1.56% | |||
| DF Momentum VIT Fund | DF Momentum VIT Fund Class 2 shares | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 1.00% | |||
| Distribution and Service (12b-1) Fees | 0.50% | |||
| Other Expenses (as a percentage of Assets): | 0.31% | |||
| Expenses (as a percentage of Assets) | 1.81% | |||
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