Small-Company Stock Fund Investment Objectives and Goals - Small-Company Stock Fund	Dec. 31, 2024
Prospectus [Line Items]
Risk/Return [Heading]	<span style="color:#39A872;font-family:Arial;font-size:22pt;">Small-Company Stock 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 Small-Company Stock Fund seeks long-term growth of capital for the long-term investor.