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 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | 
                                                84,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                89,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Investment property | — | — | — | — | — | — | 
                                                20  104
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                19  698
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Goodwill | — | — | — | — | — | — | 
                                                2  607
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                2  607
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-current assets | — | — | — | — | — | — | 
                                                26 650
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                26 088
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Current assets [abstract] | ||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — | — | — | — | 
                                                120,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                288,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                576,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Current assets | — | — | — | — | — | — | 
                                                46 935
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                46 490
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Assets | — | — | — | — | — | — | 
                                                73 585
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                72 578
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | 
                                                736,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                736,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Retained earnings | — | — | — | — | — | — | 
                                                9  072
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                8  655
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Share premium | — | — | — | — | — | — | 
                                                16  708
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                16  708
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity attributable to owners of parent | — | — | — | — | — | — | 
                                                28 123
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                27 561
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-controlling interests | — | — | — | — | — | — | 
                                                68,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                51,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity | 
                                                8 655
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                16 708
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                736,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                68,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 607
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                28 123
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                28 191
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                417,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                27 612
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                8 499
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                156,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 462
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                51,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                16 708
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                736,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                27 561
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                27 142
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                8 316
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                183,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1 149
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                50,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                16 708
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                736,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                27 092
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | 
                                                512,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                421,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-current liabilities | — | — | — | — | — | — | 
                                                20 070
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                19 979
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current liabilities | — | — | — | — | — | — | 
                                                25 324
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                24 987
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Liabilities | — | — | — | — | — | — | 
                                                45 394
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                44 966
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity and liabilities | — | — | — | — | — | — | 
                                                73 585
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                72 578
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |