Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| DF Dividend VIT Fund | DF Dividend VIT Fund Class 1 shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 17.19% | 12.76% | (1.58%) | (10.35%) | 30.30% | (7.25%) | (2.84%) | (8.02%) | 10.89% | 0.67% |
| DF Momentum VIT Fund | DF Momentum VIT Fund Class 1 shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 23.52% | 23.03% | 19.81% | (22.56%) | 29.66% | (1.20%) | 7.87% | (2.66%) | 20.93% | 5.39% |