v3.26.1
Investment Objectives and Goals - Optimum Fund Trust Classes A, C, Institutional
Mar. 31, 2026
Optimum Large Cap Growth Fund  
Prospectus [Line Items]  
Objective [Heading] What is the Fund’s investment objective?
Objective, Primary [Text Block]
Optimum Large Cap Growth Fund seeks long-term growth of capital.
Optimum Small-Mid Cap Growth Fund  
Prospectus [Line Items]  
Objective [Heading] What is the Fund’s investment objective?
Objective, Primary [Text Block]
Optimum Small-Mid Cap Growth Fund seeks long-term growth of capital.
Optimum Small-Mid Cap Value Fund  
Prospectus [Line Items]  
Objective [Heading] What is the Fund’s investment objective?
Objective, Primary [Text Block]
Optimum Small-Mid Cap Value Fund seeks long-term growth of capital.
Optimum International Fund  
Prospectus [Line Items]  
Objective [Heading] What are the  Fund’s investment objectives?
Objective, Primary [Text Block]
Optimum International Fund seeks long-term growth of capital. The Fund may also seek income.
Optimum Fixed Income Fund  
Prospectus [Line Items]  
Objective [Heading] What are the  Fund’s investment objectives?
Objective, Primary [Text Block]
Optimum Fixed Income Fund seeks a high level of income. The Fund may also seek growth of capital.
Optimum Large Cap Value Fund  
Prospectus [Line Items]  
Objective [Heading] What are the  Fund’s investment objectives?
Objective, Primary [Text Block]
Optimum Large Cap Value Fund seeks long-term growth of capital. The Fund may also seek income.