Stock Index Fund Investment Objectives and Goals - Stock Index Fund |
May 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund Summary: Stock Index 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 long-term capital growth through investment in common stocks that, as a group, are expected to provide investment results closely corresponding to the performance of the S&P 500® Index (the “Index”). |