Statement Of Members' Equity
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 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 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                2,617,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                338,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,358,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                368,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                373,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,617,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,358,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                34,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                358,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,052,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,332,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,052,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                328,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                362,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,332,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,002,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,722,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                328,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                362,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,722,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                358,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,002,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                285,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                285,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                306,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                306,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                329,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                329,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                329,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                329,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — |