v3.26.1
Average Annual Total Returns
 12 Months Ended 13 Months Ended 36 Months Ended 41 Months Ended 57 Months Ended 60 Months Ended 66 Months Ended 69 Months Ended 74 Months Ended 120 Months Ended
Apr. 30, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
WCM Focused International Growth Fund | MSCI ACWI ex USA Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   32.38%         7.91%       8.41%
WCM Focused International Growth Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   20.56%         4.37%       10.40%
WCM Focused International Growth Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   20.90%         4.63%       10.68%
WCM Focused International Growth Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [1]   19.38%         3.58%       9.94%
WCM Focused International Growth Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [1]   13.53%         3.54%       8.78%
WCM Focused Emerging Markets Fund | MSCI Emerging Markets Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   33.57%         4.20%       8.42%
WCM Focused Emerging Markets Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   31.13%         0.34%       8.79%
WCM Focused Emerging Markets Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   31.46%         0.60%       8.97%
WCM Focused Emerging Markets Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [2]   31.46%         0.30%       8.73%
WCM Focused Emerging Markets Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [2]   18.62%         0.39%       7.32%
WCM International Small Cap Growth Fund | MSCI ACWI ex USA Small Cap Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   29.26%         6.91%       8.13%
WCM International Small Cap Growth Fund | MSCI ACWI ex USA Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   32.38%         7.91%       8.41%
WCM International Small Cap Growth Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   18.14%         0.33%       11.40%
WCM International Small Cap Growth Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [3]   17.86%         (0.32%)       10.79%
WCM International Small Cap Growth Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [3]   10.85%         0.19%       9.36%
WCM Small Cap Growth Fund | Russell 2000 Growth Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   13.01%         3.18%     8.93%  
Performance Inception Date Oct. 30, 2019                    
WCM Small Cap Growth Fund | Russell 3000 Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   17.15%         13.15%     15.14%  
Performance Inception Date Oct. 30, 2019                    
WCM Small Cap Growth Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   7.82%         0.82%     6.92%  
Performance Inception Date Oct. 30, 2019                    
WCM Small Cap Growth Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   8.03%         1.07%     7.18%  
Performance Inception Date Oct. 30, 2019                    
WCM Small Cap Growth Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [4]   7.78%         0.50%     6.61%  
Performance Inception Date Oct. 30, 2019                    
WCM Small Cap Growth Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [4]   4.93%         0.71%     5.55%  
Performance Inception Date Oct. 30, 2019                    
WCM China Quality Growth Fund | MSCI China All Shares Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   28.94%         (2.45%)   4.77%    
Performance Inception Date Mar. 31, 2020                    
WCM China Quality Growth Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   20.96%         (6.18%)   3.11%    
Performance Inception Date Mar. 31, 2020                    
WCM China Quality Growth Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   21.19%         (5.94%)   3.37%    
Performance Inception Date Mar. 31, 2020                    
WCM China Quality Growth Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [5]   18.38%         (7.09%)   2.10%    
Performance Inception Date Mar. 31, 2020                    
WCM China Quality Growth Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [5]   12.94%         (4.64%)   2.31%    
Performance Inception Date Mar. 31, 2020                    
WCM Focused International Equity Fund | MSCI ACWI ex USA Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   32.38%         7.91% 11.54%      
Performance Inception Date Jun. 29, 2020                    
WCM Focused International Equity Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   40.74%         10.00% 14.64%      
Performance Inception Date Jun. 29, 2020                    
WCM Focused International Equity Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   41.03%         10.28% 14.92%      
Performance Inception Date Jun. 29, 2020                    
WCM Focused International Equity Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [6]   39.99%         9.95% 14.62%      
Performance Inception Date Jun. 29, 2020                    
WCM Focused International Equity Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [6]   24.55%         8.07% 12.02%      
Performance Inception Date Jun. 29, 2020                    
WCM Focused International Opportunities Fund | MSCI ACWI ex USA Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   32.38%       7.49%          
Performance Inception Date Mar. 30, 2021                    
WCM Focused International Opportunities Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   31.45%       5.92%          
Performance Inception Date Mar. 30, 2021                    
WCM Focused International Opportunities Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   31.70%       6.19%          
Performance Inception Date Mar. 30, 2021                    
WCM Focused International Opportunities Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [7]   31.60%       6.03%          
Performance Inception Date Mar. 30, 2021                    
WCM Focused International Opportunities Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [7]   18.89%       4.80%          
Performance Inception Date Mar. 30, 2021                    
WCM Mid Cap Quality Value Fund | Russell Midcap Value Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   11.05%     9.91%            
Performance Inception Date Jul. 28, 2022                    
WCM Mid Cap Quality Value Fund | Russell 3000 Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   17.15%     17.41%            
Performance Inception Date Jul. 28, 2022                    
WCM Mid Cap Quality Value Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   (7.47%)     5.60%            
Performance Inception Date Jul. 28, 2022                    
WCM Mid Cap Quality Value Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   (7.23%)     5.87%            
Performance Inception Date Jul. 28, 2022                    
WCM Mid Cap Quality Value Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [8]   (8.02%)     4.98%            
Performance Inception Date Jul. 28, 2022                    
WCM Mid Cap Quality Value Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [8]   (3.72%)     4.51%            
Performance Inception Date Jul. 28, 2022                    
WCM Mid Cap Quality Value Fund | Class Y Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent [9]   (7.14%) 6.15%                
Performance Inception Date Nov. 29, 2024                    
WCM Focused Emerging Markets ex China Fund | MSCI Emerging Markets ex China Index (reflects no deduction for fees, expenses or taxes)                      
Prospectus [Line Items]                      
Average Annual Return, Percent   34.61%   18.60%              
Performance Inception Date Dec. 29, 2022                    
WCM Focused Emerging Markets ex China Fund | Investor Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   39.15%   26.76%              
Performance Inception Date Dec. 29, 2022                    
WCM Focused Emerging Markets ex China Fund | Institutional Class Shares                      
Prospectus [Line Items]                      
Average Annual Return, Percent   39.49%   27.07%              
Performance Inception Date Dec. 29, 2022                    
WCM Focused Emerging Markets ex China Fund | Institutional Class Shares | After Taxes on Distributions                      
Prospectus [Line Items]                      
Average Annual Return, Percent [10]   36.96%   25.84%              
Performance Inception Date Dec. 29, 2022                    
WCM Focused Emerging Markets ex China Fund | Institutional Class Shares | After Taxes on Distributions and Sales                      
Prospectus [Line Items]                      
Average Annual Return, Percent [10]   24.63%   21.35%              
Performance Inception Date Dec. 29, 2022                    
[1] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Institutional Class shares only and after-tax returns for classes other than Institutional Class shares will vary from returns shown for Institutional Class shares.
[2] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Institutional Class shares only and after-tax returns for classes other than Institutional Class shares will vary from returns shown for Institutional Class shares.
[3] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
[4] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
[5] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
[6] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
[7] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
[8] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
[9] Class Y shares commenced operations on November 29, 2024. The performance figures for Class Y shares include the performance for the Institutional Class shares for the periods prior to the inception date of Class Y shares, adjusted for the difference in Institutional Class shares and Class Y shares expenses. Institutional Class shares impose higher expenses than Class Y shares.
[10] After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After–tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.