v3.25.2
S000036204 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 96 Months Ended 120 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
 [1]
Russell 1000® Growth Index (reflects no deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 33.36% 18.96%   16.78%
Russell 1000® Index (reflects no deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 24.51% 14.28%   12.87%
C000179754 [Member]        
Prospectus [Line Items]        
Average Annual Return, Percent 34.59% 17.42%   14.77%
Performance Inception Date     Jan. 03, 2017  
C000179754 [Member] | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 31.08% 14.65%   12.28%
Performance Inception Date     Jan. 03, 2017  
C000179754 [Member] | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 22.49% 13.38%   11.46%
Performance Inception Date     Jan. 03, 2017  
[1] Returns shown for periods prior to the inception date for 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.