v3.26.3
Average Annual Total Returns
 12 Months Ended 60 Months Ended 103 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI World ex USA Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 31.85% 9.46% 8.15% [1] 8.55%
Performance Inception Date     May 31, 2017  
MSCI World ex USA Small Cap Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 34.07% 6.49% 7.13% [1] 8.05%
Performance Inception Date     May 31, 2017  
Class N        
Prospectus [Line Items]        
Average Annual Return, Percent 20.64% 1.18% [1] 5.39%
Class N | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 19.47% 0.90% [1] 5.00%
Class N | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 12.84% 1.00% [1] 4.33%
Class I        
Prospectus [Line Items]        
Average Annual Return, Percent 20.81% 1.34% [1] 5.55%
Class Z        
Prospectus [Line Items]        
Average Annual Return, Percent 20.96% 1.44% 3.42% [1]
Performance Inception Date     May 31, 2017  
[1] Class Z and Index performance shown reflects performance since the inception date of the Fund's Class Z shares on May 31, 2017.