Statement Of Income And Retained Earnings
| Concept | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of income and retained earnings | ||||||||||
| Statement of income and retained earnings | ||||||||||
| Operating profit (loss) | — | 
                                                49,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                287,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                148,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||
| Non-operating income | — | 
                                                100,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                65,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                57,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Non-operating expenses | — | 
                                                19,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                90,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                79,010,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | — | 
                                                130,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                139,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                262,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | ||||||||||
| Extraordinary income | — | 
                                                109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||
| Extraordinary losses | — | 
                                                15,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                99,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before income taxes | — | 
                                                115,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                163,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | — | 
                                                44,415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,085,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                59,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - deferred | — | 
                                                -612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,587,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | 
                                                71,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |