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 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Issued shares | ||||||||||
| Issued shares | ||||||||||
| Number of shares | — | — | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                11,678,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                565,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                11,088,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                23,700
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | — | 
| Number of voting rights | — | — | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                110,889
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                110,889
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | — | — | 
| Description |  |  |  | — | — | — | — |  |  |  |