v3.26.3
Core Bond Fund Investment Objectives and Goals - Core Bond Fund
May 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Fund Summary: Core Bond Fund
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:12pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block] The Fund seeks the highest possible total return consistent with conservation of capital through investments in medium- to high-quality fixed-income securities.