Disclosure Of Financial Instruments [Text Block]
| Concept | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | 
|---|---|---|---|
| Disclosure of financial instruments [text block] | — |  | — | 
| Description of accounting policy for financial instruments [text block] | — |  | — | 
| Disclosure of financial liabilities [text block] | — |  | — | 
| Disclosure of credit risk [text block] | — |  | — | 
| Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [text block] | — | 
                                                -
                                                
                                             | — | 
| Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [abstract] | |||
| Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] | |||
| Exposure to credit risk on loan commitments and financial guarantee contracts | 
                                                332,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | 
                                                481,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
| Disclosure of credit risk exposure [text block] | — | — | — | 
| Disclosure of credit risk exposure [abstract] | |||
| Disclosure of credit risk exposure [line items] | |||
| Disclosure of how entity manages liquidity risk [text block] | — |  | — |