Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept | 
                                    
                                        2021-01-01 to 2021-12-31  | 
                            
                                
                                    
                                        2020-01-01 to 2020-12-31  | 
                            
                        
|---|---|---|
| Statement of changes in net assets available for benefits [abstract] | ||
| Reconciliation of changes in net assets available for benefits [abstract] | ||
| Changes in net assets available for benefits [abstract] | ||
| Other income | 
                                        
                                             
                                                2,581
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                3,330
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Tax expense (income) | 
                                        
                                             
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             
                                        
                                     |