| 
                                Jan 25, 2022
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                29,750,000
                             | 
                            
                            
                                2.52%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Aug 24, 2021
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                29,750,000
                             | 
                            
                            
                                2.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jul 30, 2021
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                2.87%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jul 28, 2021
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                3.19%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jul 23, 2021
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                3.96%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jul 01, 2021
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                4.39%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                May 27, 2020
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                4.69%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                May 27, 2020
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                4.69%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                May 27, 2020
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                4.69%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                May 27, 2020
                             | 
                            
                                
                                    Overseas Corporate Bodies
                                
                             | 
                            
                                23,800,000
                             | 
                            
                            
                                4.69%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    23,800,000
                                 | 
                                
                                    100.00%
                                 |