Statement Of Comprehensive Income [Abstract]
| Concept | 2021-01-01 to 2021-12-31 | 2021-01-01 to 2021-12-31 | 2021-01-01 to 2021-12-31 | 2020-01-01 to 2020-12-31 | 2020-01-01 to 2020-12-31 | 2020-01-01 to 2020-12-31 | 
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) | 
                                                401,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                401,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                6,113
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                6,113
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Other comprehensive income [abstract] | ||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income | 
                                                114,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                114,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | 
                                                225,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                225,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                114,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | — | 
                                                225,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                515,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | — | 
                                                6,338
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             |