Statement Of Changes In Equity [Abstract]
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 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 | 
|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||
| Statement of changes in equity [line items] | ||||||||
| Increase (decrease) through transfer between revaluation surplus and retained earnings, equity | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                178,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                178,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                41,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                41,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Increase (decrease) through appropriation of retained earnings, equity | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                159,100
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                159,100
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                48,977
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                48,977
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — |