Statement Of Cash Flows [Abstract]
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||
| Profit (loss) | 
                                                417,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                417,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                17,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                434,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                157,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                156,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                156,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
| Other inflows (outflows) of cash, classified as operating activities | — | — | — | — | — | — | — | 
                                                1 122
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                7,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | 
                                                3 381
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                148,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — | — | — | — | — | — | — | 
                                                1 756
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                12 660
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — | — | — | — | — | — | 
                                                4 971
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                20 261
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — | — | — | — | — | — | — | 
                                                81,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Interest received, classified as investing activities | — | — | — | — | — | — | — | 
                                                1 012
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                18,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Other inflows (outflows) of cash, classified as investing activities | — | — | — | — | — | — | — | 
                                                17,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                12,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | 
                                                2 105
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                7 571
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — | 
                                                8 177
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                34 922
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — | 
                                                7 787
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                25 624
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Interest paid, classified as financing activities | — | — | — | — | — | — | — | 
                                                1 778
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                1 388
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — | — | — | — | 
                                                56,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                479,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | 
                                                1 444
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                7 431
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — | 
                                                168,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                288,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Cash and cash equivalents | — | — | — | — | — | — | — | — | 
                                                120,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | 
                                                288,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                576,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             |