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
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,207,100
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,205,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                82,056
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                82,056
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | — | 
| Description |  |  | — | 
                                                権利内容に何ら限定のない当社における標準となる株式であります。単元株式数は100株であります。
                                                
                                             |  |  |  |