| 
                                Dec 2022
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust
                                
                             | 
                            
                                13,543,036
                             | 
                            
                            
                                1.28%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2022
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2022
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2022
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2021
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2021
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2021
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2021
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2020
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Market
                                
                             | 
                            
                                14,000,650
                             | 
                            
                            
                                1.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2020
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust
                                
                             | 
                            
                                13,837,862
                             | 
                            
                            
                                1.31%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2020
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets
                                
                             | 
                            
                                13,837,862
                             | 
                            
                            
                                1.31%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2020
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets O
                                
                             | 
                            
                                13,210,580
                             | 
                            
                            
                                1.25%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2019
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets O
                                
                             | 
                            
                                13,153,479
                             | 
                            
                            
                                1.24%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2019
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets
                                
                             | 
                            
                                11,259,770
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2019
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets O
                                
                             | 
                            
                                11,259,770
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2019
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets O
                                
                             | 
                            
                                11,259,770
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2018
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets O
                                
                             | 
                            
                                11,259,770
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets O
                                
                             | 
                            
                                11,259,770
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets O
                                
                             | 
                            
                                12,215,203
                             | 
                            
                            
                                1.15%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2018
                             | 
                            
                                
                                    Wellington Trust Company National Association Multiple Common Trust Funds Trust Emerging Markets Opp
                                
                             | 
                            
                                11,759,045
                             | 
                            
                            
                                1.11%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Wellington Trust Company National Association Multiple Common Trust Funds Trust Emerging Markets Opp
                                
                             | 
                            
                                5,320,973
                             | 
                            
                            
                                1.01%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Wellington Trust Company National Association Multiple Common Trust Funds Trust Emerging Markets Opp
                                
                             | 
                            
                                6,437,315
                             | 
                            
                            
                                1.22%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets Opportunities Portfolio
                                
                             | 
                            
                                7,649,937
                             | 
                            
                            
                                1.45%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets Opportunities Portfolio
                                
                             | 
                            
                                7,291,504
                             | 
                            
                            
                                1.38%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Emerging Markets Opportunities Portfolio
                                
                             | 
                            
                                7,291,504
                             | 
                            
                            
                                1.38%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 |