Statement Of Financial Position [Abstract]
| Concept | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — | 
                                                6 562
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                6 697
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Investment property | — | — | — | — | — | — | — | — | 
                                                108,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                2 464
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Goodwill | — | — | — | — | — | — | — | — | 
                                                2 884
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                2 983
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — | 
                                                19 253
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                18 574
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Deferred tax assets | — | — | — | — | — | — | — | — | 
                                                916,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 197
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Cash and cash equivalents | — | — | — | — | — | — | — | — | 
                                                2 376
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 829
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1 345
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Assets | — | — | — | — | — | — | — | — | 
                                                59 780
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                59 033
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — | 
                                                4 782
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                4 782
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Retained earnings | — | — | — | — | — | — | — | — | 
                                                15 997
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                16 889
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Share premium | — | — | — | — | — | — | — | — | 
                                                24 830
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                24 830
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Other reserves | — | — | — | — | — | — | — | — | 
                                                11 541
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                10 594
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | 
                                                25 156
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                23 317
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-controlling interests | — | — | — | — | — | — | — | — | 
                                                462,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                474,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity | 
                                                2 211
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                15 997
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                24 830
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                4 782
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                462,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                8 140
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                25 156
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 190
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                25 618
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                23 791
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                16 889
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                8 235
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                474,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                24 830
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                4 782
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 190
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                23 317
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 169
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                985,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                23 879
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                8 250
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                762,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                24 830
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                16 920
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                4 782
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 190
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                23 117
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — | — | 
                                                1 492
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 686
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Liabilities | — | — | — | — | — | — | — | — | 
                                                34 162
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                35 242
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity and liabilities | — | — | — | — | — | — | — | — | 
                                                59 780
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                59 033
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |