v3.26.1
S000001252 [Member] Investment Objectives and Goals - FIXED INCOME FUND
Mar. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] FIXED INCOME FUND
Objective [Heading] INVESTMENT OBJECTIVE
Objective, Primary [Text Block]
The Fund seeks to maximize total return (capital appreciation and income) consistent with reasonable risk.