Disclosure Of Investment Property [Text Block]
| Concept | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|
| Disclosure of investment property [text block] | — |  | — | — | 
| Disclosure of detailed information about investment property [text block] | — | — | — | — | 
| Disclosure of detailed information about investment property [abstract] | ||||
| Disclosure of detailed information about investment property [line items] | ||||
| Reconciliation of changes in investment property [abstract] | ||||
| Investment property | 
                                                67 567
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | 
                                                56 134
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
| Changes in investment property [abstract] | ||||
| Gains (losses) on fair value adjustment, investment property | — | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                817,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — |