Statement Of Changes In Equity [Abstract]
| Concept | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 2021-01-01 to 2021-12-31 | 2021-01-01 to 2021-12-31 | 2021-01-01 to 2021-12-31 | As at 2021-12-31 | 2021-01-01 to 2021-12-31 | 2021-01-01 to 2021-12-31 | As at 2021-12-31 | 2021-01-01 to 2021-12-31 | 2021-01-01 to 2021-12-31 | 2020-01-01 to 2020-12-31 | As at 2020-12-31 | 2020-01-01 to 2020-12-31 | As at 2020-12-31 | As at 2020-12-31 | 2020-01-01 to 2020-12-31 | As at 2020-12-31 | 2020-01-01 to 2020-12-31 | As at 2020-12-31 | As at 2020-12-31 | 2020-01-01 to 2020-12-31 | 2020-01-01 to 2020-12-31 | 2020-01-01 to 2020-12-31 | As at 2020-12-31 | As at 2019-12-31 | As at 2019-12-31 | As at 2019-12-31 | As at 2019-12-31 | As at 2019-12-31 | As at 2019-12-31 | As at 2019-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | 
                                                217,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                12,283
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                143,092
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                96,535
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                217,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                129,889
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | 
                                                188,729
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                143,314
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                12,397
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                96,535
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                188,729
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                217,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                217,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                129,553
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                96,535
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                12,172
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                12,909
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                137,536
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                148,248
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                217,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                188,729
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                222,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                222,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                7,758
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                7,758
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
| Other comprehensive income | — | — | — | — | — | — | — | — | — | 
                                                114,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                225,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Comprehensive income | — | — | — | — | — | — | — | — | — | 
                                                336,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                7,983
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |