Disclosure Of Intangible Assets [Text Block]
| Concept | 
                                    
                                        As at 2021-12-31  | 
                            
                                
                                    
                                        As at 2020-12-31  | 
                            
                        
|---|---|---|
| Disclosure of intangible assets [text block] | — | — | 
| Disclosure of detailed information about intangible assets [text block] | — | — | 
| Disclosure of detailed information about intangible assets [abstract] | ||
| Disclosure of detailed information about intangible assets [line items] | ||
| Reconciliation of changes in intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill | 
                                        
                                             
                                                12,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                9,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             
                                        
                                     |