S000009877 [Member] Average Annual Total Returns

12 Months Ended

60 Months Ended

106 Months Ended

120 Months Ended

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Class Z

Prospectus [Line Items]

Average Annual Return, Percent

6.91%

2.59%

9.51%

Class N

Prospectus [Line Items]

Average Annual Return, Percent

6.66%

2.37%

9.28%

Class N | After Taxes on Distributions

Prospectus [Line Items]

Average Annual Return, Percent

5.09%

0.40%

6.51%

Class N | After Taxes on Distributions and Sales

Prospectus [Line Items]

Average Annual Return, Percent

5.07%

1.67%

6.91%

Class I

Prospectus [Line Items]

Average Annual Return, Percent

6.73%

2.49%

9.20%

^[1]

Performance Inception Date

Feb. 24, 2017

Class I | S&P 500® Index (reflects no deduction for fees, expenses, or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

17.88%

14.42%

14.66%

^[1]

14.82%

Performance Inception Date

Feb. 24, 2017

Class I | Russell 2000® Growth Index (reflects no deduction for fees, expenses, or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

13.01%

3.18%

9.01%

^[1]

9.57%

Performance Inception Date

Feb. 24, 2017

[1]	Class I and Index performance shown reflects performance since the inception date of the Fund's Class I shares on February 24, 2017.