S000009910 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P 500® Index (reflects no deduction for fees, expenses, or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% |
| Russell 2000® Growth Index (reflects no deduction for fees, expenses, or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 13.01% | 3.18% | 9.57% |
| Class I | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 12.41% | 6.83% | 12.90% |
| Class N | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 11.92% | 6.49% | 12.55% |
| Class N | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.41% | 3.22% | 8.35% |
| Class N | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.57% | 4.00% | 8.48% |
| Class Z | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 12.44% | 6.90% | 13.00% |