Issued Shares
| Concept | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 
|---|---|---|---|---|---|---|---|
| Issued shares | |||||||
| Issued shares | |||||||
| Number of shares | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,510,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                49,311,185
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                45,757,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                43,785
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                457,572
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                457,572
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | — | 
| Description |  |  | — |  |  |  |  |