v3.26.1
S000021046 [Member] Average Annual Total Returns
 12 Months Ended 15 Months Ended 60 Months Ended 118 Months Ended 120 Months Ended 126 Months Ended 154 Months Ended 213 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE Value Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deductions for fees, expenses or other taxes)                
Prospectus [Line Items]                
Average Annual Return, Percent 42.25%   13.36%   8.69%      
MSCI EAFE Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deductions for fees, expenses or other taxes)                
Prospectus [Line Items]                
Average Annual Return, Percent 31.22%   8.92%   8.18%      
C000159975 [Member]                
Prospectus [Line Items]                
Average Annual Return, Percent 45.83%   13.14%   9.59%      
Performance Inception Date           Jul. 01, 2015    
C000159976 [Member]                
Prospectus [Line Items]                
Average Annual Return, Percent 45.90%   13.21%   9.66%      
Performance Inception Date           Jul. 01, 2015    
C000253709 [Member]                
Prospectus [Line Items]                
Average Annual Return, Percent 45.72%   13.04%   9.48%      
Performance Inception Date   Oct. 02, 2024            
C000059843 [Member]                
Prospectus [Line Items]                
Average Annual Return, Percent 36.91%   11.43%   8.56%      
Performance Inception Date             Feb. 28, 2013  
C000059843 [Member] | After Taxes on Distributions                
Prospectus [Line Items]                
Average Annual Return, Percent 34.26%   10.39%   7.82%      
Performance Inception Date             Feb. 28, 2013  
C000059843 [Member] | After Taxes on Distributions and Sales                
Prospectus [Line Items]                
Average Annual Return, Percent 23.22%   8.96%   6.90%      
Performance Inception Date             Feb. 28, 2013  
C000059844 [Member]                
Prospectus [Line Items]                
Average Annual Return, Percent 43.16%   11.93%   8.38%      
Performance Inception Date             Feb. 28, 2013  
C000059845 [Member]                
Prospectus [Line Items]                
Average Annual Return, Percent 44.84%   12.49%   8.94%      
Performance Inception Date       Mar. 01, 2016        
C000059846 [Member]                
Prospectus [Line Items]                
Average Annual Return, Percent 45.72%   13.04%   9.48%      
Performance Inception Date               Mar. 31, 2008