Issued Shares
| Concept | As at 2024-05-13 | As at 2024-05-13 | As at 2024-05-13 | 
|---|---|---|---|
| Issued shares | |||
| Issued shares | |||
| Class | — | 
                                                普通株式
                                                
                                             | 
                                                A種優先株式
                                                
                                             | 
| Number of issued shares as of fiscal year end | 
                                                49,864,862
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                49,861,862
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of issued shares as of filing date | 
                                                49,861,862
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                49,861,862
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registered | — | 
                                                東京証券取引所
プライム市場
福岡証券取引所
                                                
                                             | 
                                                非上場
                                                
                                             | 
| Description | — | 
                                                単元株式数 100株
                                                
                                             | 
                                                単元株式数 100株
(注)1、2、3
                                                
                                             |