Disclosure Of Fair Value Measurement [Text Block]
| Concept | As at 2024-12-31 | As at 2024-12-31 | As at 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 | 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 | As at 2023-12-31 | As at 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | 
                                                6.32 Fair value measurement
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of assets [abstract] | |||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | |||||||||||||||||||||
| Assets | — | — | — | — | — | — | — | 
                                                223,535,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                197,933,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of liabilities [abstract] | |||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | |||||||||||||||||||||
| Liabilities | — | — | — | — | — | — | — | 
                                                92,381,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                76,548,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
| Reconciliation of changes in fair value measurement, liabilities [abstract] | |||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of equity [abstract] | |||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | |||||||||||||||||||||
| Equity | 
                                                94,904,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                3,683,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                6,409,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                1,249,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                131,154,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                24,909,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
                                                86,589,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                24,037,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                3,683,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                6,409,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                667,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                121,385,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                23,686,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                3,500,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                73,457,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                6,369,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                502,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                106,509,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |