Annual Total Returns - Optimum Fund Trust Classes A, C, Institutional - Institutional |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Optimum Large Cap Growth Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 15.93% | 32.31% | 41.25% | (34.73%) | 17.74% | 33.98% | 31.32% | (0.93%) | 32.48% | 0.88% |
| Optimum Small-Mid Cap Growth Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 9.52% | 14.23% | 13.92% | (28.07%) | 12.52% | 57.33% | 25.65% | (3.30%) | 27.61% | 2.85% |
| Optimum Small-Mid Cap Value Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.47% | 10.21% | 10.56% | (14.08%) | 29.11% | 1.42% | 24.58% | (16.39%) | 9.75% | 18.43% |
| Optimum International Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 25.98% | 8.40% | 17.36% | (23.05%) | 8.46% | 11.41% | 19.58% | (14.11%) | 30.46% | 4.55% |
| Optimum Fixed Income Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.63% | 1.50% | 5.89% | (13.95%) | (1.78%) | 9.19% | 8.65% | (0.70%) | 4.50% | 2.96% |
| Optimum Large Cap Value Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 14.67% | 13.64% | 9.93% | (6.08%) | 27.17% | 2.60% | 27.93% | (9.40%) | 16.37% | 11.19% |