S000001246 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 3000® Index (reflects no deduction for fees, expenses, or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% |
| Russell 2000® Value Index (reflects no deduction for fees, expenses, or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 12.59% | 8.88% | 9.27% |
| SMALL CAP VALUE FUND | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.50% | 8.78% | 7.89% |
| SMALL CAP VALUE FUND | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 2.43% | 3.86% | 4.65% |
| SMALL CAP VALUE FUND | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 11.94% | 6.59% | 5.99% |