S000025839 [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 1000® Growth Index (reflects no deduction for fees, expenses, or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 18.56% | 15.32% | 18.13% |
| Class Z | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.48% | 12.78% | 14.36% |
| Class I | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.36% | 12.68% | 14.25% |
| Class N | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.11% | 12.40% | 13.95% |
| Class N | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.37% | 9.90% | 11.61% |
| Class N | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 8.18% | 9.53% | 10.97% |