Issued Shares
| Concept | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 
|---|---|---|---|---|---|---|---|
| Issued shares | |||||||
| Issued shares | |||||||
| Number of shares | 
                                                2,520
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,066,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                55
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,100,675
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                32,100
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | — | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                10,660
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                10,660
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Description |  |  |  |  | 
                                                (注)1
                                                
                                             | — |  |