Short-Term Bond Fund Investment Objectives and Goals - Short-Term Bond Fund	Dec. 31, 2024
Prospectus [Line Items]
Risk/Return [Heading]	<span style="color:#39A872;font-family:Arial;font-size:22pt;">Short-Term Bond Fund</span>
Objective [Heading]	<span style="color:#39A872;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block]	The Short-Term Bond Fund seeks a high level of income consistent with maintaining minimum fluctuation of principal by investing in high-quality, short-term debt securities.