Statement Of Financial Position [Abstract]
| Concept | 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 | 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 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Investment property | 
                                                44 662
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                19 904
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Goodwill | 
                                                5 630
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                5 630
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Current assets [abstract] | |||||||||||||||||||||||||||
| Cash and cash equivalents | 
                                                2 174 269
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2 071 158
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                2 142 718
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | 
| Assets | 
                                                8 533 408
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                8 115 197
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Share premium | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity attributable to owners of parent | 
                                                754 736
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                644 699
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-controlling interests | 
                                                5 692
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                5 524
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity | 
                                                760 428
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                86 277
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                35 506
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                395 356
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                5 692
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                3,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                754 736
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                650 223
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                38 484
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                11 858
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                356 759
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                5 524
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                2,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                644 699
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                11 765
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                27 129
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                329 642
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                611 458
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                606 047
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                5 411
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                89,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Liabilities | 
                                                7 772 980
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7 464 974
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Equity and liabilities | 
                                                8 533 408
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                8 115 197
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |