v3.26.1
S000020207 [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 N        
Prospectus [Line Items]        
Average Annual Return, Percent 3.00% 8.52%   7.86%
Class N | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 1.21% 6.60%   5.41%
Class N | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 3.08% 6.31%   5.71%
Class I        
Prospectus [Line Items]        
Average Annual Return, Percent 3.18% 8.73% 6.67% [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® Value Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 12.59% 8.88% 6.97% [1] 9.27%
Performance Inception Date     Feb. 24, 2017  
Class Z        
Prospectus [Line Items]        
Average Annual Return, Percent 3.25% 8.79% 6.74% [1]
Performance Inception Date     Feb. 24, 2017  
Class Z | 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 Z | Russell 2000® Value Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 12.59% 8.88% 6.97% [1] 9.27%
Performance Inception Date     Feb. 24, 2017  
[1] Class I, Class Z and Index performance shown reflects performance since the inception date of the Fund's Class I and Class Z shares on February 24, 2017.