Analysis Of Income And Expense [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 | 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 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | 
                                                1.052.737,6
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                931,548
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Expenses by nature [abstract] | ||||||||||||||
| Raw materials and consumables used | — | 
                                                55,665
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                54,087
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Classes of employee benefits expense [abstract] | ||||||||||||||
| Employee benefits expense | — | 
                                                386,067
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                349,369
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||
| Depreciation and amortisation expense | — | 
                                                135,784
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                131,750
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Impairment loss (reversal of impairment loss) recognised in profit or loss | — | 
                                                3,583,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Other expenses, by nature | — | 
                                                190,089
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                142,638
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | 
                                                2,004
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                8,412,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | 
                                                1,666
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,469
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income | 
                                                23,278
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                233,949
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,515
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                693,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,584
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                216,255
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                210,671
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                183,671
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                4,886
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,171
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                20,119
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                168,438
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                163,552
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                2,849,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | 
                                                210,671
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                163,552
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | 
                                                23,278
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
                                                20,119
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | — |