Disclosure Of Analysis Of Other Comprehensive Income By Item [Text Block]
| 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 | 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 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of analysis of other comprehensive income by item [text block] | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of analysis of other comprehensive income by item [abstract] | ||||||||||||
| Disclosure of analysis of other comprehensive income by item [line items] | ||||||||||||
| Other comprehensive income, net of tax, gains (losses) from investments in equity instruments | — | 
                                                693,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                693,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                693,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                693,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                2,849,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
                                                2,849,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                2,849,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                2,849,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | 
                                                23,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,513
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,515
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                5,515
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,515
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,183
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,171
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                123,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                5,171
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,171
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             |