v3.26.1
S000036204 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 108 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
 [1]
Russell 1000® Growth Index (reflects no deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 18.56% 15.32%   18.13%
Russell 1000® Index (reflects no deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 17.37% 13.59%   14.59%
C000179754 [Member]        
Prospectus [Line Items]        
Average Annual Return, Percent 15.09% 13.25%   15.52%
Performance Inception Date     Jan. 03, 2017  
C000179754 [Member] | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 11.90% 10.38%   12.89%
Performance Inception Date     Jan. 03, 2017  
C000179754 [Member] | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 10.50% 9.77%   12.06%
Performance Inception Date     Jan. 03, 2017  
[1] Returns shown for periods prior to the inception date of the Class Inst shares include the returns of the Fund’s Class A shares through January 2, 2017. Class A shares were offered prior to the inception date of the Fund’s Class Inst shares but have since been merged into the Fund’s Class Inst shares.