Growth Equity Index Fund Annual Fund Operating Expenses - Growth Equity Index Fund |
Dec. 31, 2025 |
|---|---|
| Institutional | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.10% |
| Other Expenses (as a percentage of Assets): | 0.15% |
| Acquired Fund Fees and Expenses | 0.01% |
| Expenses (as a percentage of Assets) | 0.26% |
| Investor | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.10% |
| Other Expenses (as a percentage of Assets): | 0.40% |
| Acquired Fund Fees and Expenses | 0.01% |
| Expenses (as a percentage of Assets) | 0.51% |