Notes And Other Explanatory Information [Abstract]
| Concept | 
                                    
                                        2023-01-01 to 2023-12-31  | 
                            
                        
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| Notes and other explanatory information [abstract] | |
| Disclosure of accounting judgements and estimates [text block] | 
                                        
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| Disclosure of auditors' remuneration [text block] | 
                                        
                                             
                                                In 2023 and 2022, the audit, tax and advisory expenses also include the cost of services provided by the Group’s auditor of EUR 0.2 million
                                                
                                             
                                        
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| Disclosure of authorisation of financial statements [text block] | 
                                        
                                             
                                                The consolidated financial statements were authorized for issue by the Board of Directors on 28 March 2024.
                                                
                                             
                                        
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| Disclosure of basis of consolidation [text block] | 
                                        
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| Disclosure of basis of preparation of financial statements [text block] | 
                                        
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| Disclosure of borrowings [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of cash and cash equivalents [text block] | 
                                        
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| Disclosure of commitments [text block] | 
                                        
                                             
                                                9
                                                
                                             
                                        
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| Disclosure of commitments and contingent liabilities [text block] | 
                                        
                                             
                                                8
                                                
                                             
                                        
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| Disclosure of credit risk [text block] | 
                                        
                                             
                                                7
                                                
                                             
                                        
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| Disclosure of deferred taxes [text block] | 
                                        
                                             
                                                Recognized deferred tax asset and liability
                                                
                                             
                                        
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| Disclosure of deposits from customers [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of depreciation and amortisation expense [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of earnings per share [text block] | 
                                        
                                             
                                                Earnings per share
                                                
                                             
                                        
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| Disclosure of effect of changes in foreign exchange rates [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of entity's operating segments [text block] | 
                                        
                                             
                                                4
                                                
                                             
                                        
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| Disclosure of events after reporting period [text block] | 
                                        
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| Disclosure of expenses [text block] | 
                                        
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| Disclosure of expenses by nature [text block] | 
                                        
                                             
                                                Personnel administrative expenses
                                                
                                             
                                        
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| Disclosure of fair value measurement [text block] | 
                                        
                                             
                                                8
                                                
                                             
                                        
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| Disclosure of fair value of financial instruments [text block] | 
                                        
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| Disclosure of financial risk management [text block] | 
                                        
                                             
                                                7
                                                
                                             
                                        
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| Disclosure of general and administrative expense [text block] | 
                                        
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| Disclosure of general information about financial statements [text block] | 
                                        
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| Disclosure of income tax [text block] | 
                                        
                                             
                                                5
                                                
                                             
                                        
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| Disclosure of information about key management personnel [text block] | 
                                        
                                             
                                                Transactions with key management personnel
                                                
                                             
                                        
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| Disclosure of interest income (expense) [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of inventories [text block] | 
                                        
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| Disclosure of investment property [text block] | 
                                        
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| Disclosure of investments accounted for using equity method [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of investments other than investments accounted for using equity method [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of issued capital [text block] | 
                                        
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| Disclosure of leases [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of liquidity risk [text block] | 
                                        
                                             
                                                7
                                                
                                             
                                        
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| Disclosure of loans and advances to customers [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of market risk [text block] | 
                                        
                                             
                                                7
                                                
                                             
                                        
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| Disclosure of material accounting policy information [text block] | 
                                        
                                             
                                                2
                                                
                                             
                                        
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| Disclosure of non-controlling interests [text block] | 
                                        
                                             
                                                Non-controlling interests (NCI)
                                                
                                             
                                        
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| Disclosure of objectives, policies and processes for managing capital [text block] | 
                                        
                                             
                                                7
                                                
                                             
                                        
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| Disclosure of other current assets [text block] | 
                                        
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| Disclosure of other current liabilities [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of property, plant and equipment [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of provisions [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of related party [text block] | 
                                        
                                             
                                                10
                                                
                                             
                                        
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| Disclosure of restricted cash and cash equivalents [text block] | 
                                        
                                             
                                                Cash and cash equivalents
                                                
                                             
                                        
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| Disclosure of revenue [text block] | 
                                        
                                             
                                                5
                                                
                                             
                                        
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| Disclosure of trade and other payables [text block] | 
                                        
                                             
                                                6
                                                
                                             
                                        
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| Disclosure of trade and other receivables [text block] | 
                                        
                                             
                                                7
                                                
                                             
                                        
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