Analysis Of Income And Expense [Abstract]
| Concept | 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 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Interest income | — | 
                                                23,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                8,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Material income and expense [abstract] | ||||||||||||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss, loans and advances [abstract] | ||||||||||||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss, loans and advances | — | 
                                                9 613
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                2 794
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Interest expense | — | 
                                                7 365
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                11 540
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Interest income (expense) | — | 
                                                193 768
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                135 622
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Fee and commission income (expense) [abstract] | ||||||||||||||||||
| Fee and commission income [abstract] | ||||||||||||||||||
| Fee and commission income | — | 
                                                80 834
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                79 139
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Fee and commission expense [abstract] | ||||||||||||||||||
| Fee and commission expense | — | 
                                                23 421
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                21 068
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Fee and commission income (expense) | — | 
                                                57 413
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                58 071
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Trading income (expense) [abstract] | ||||||||||||||||||
| Trading income (expense) | — | 
                                                11 666
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                4 199
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Expenses by nature [abstract] | ||||||||||||||||||
| Expenses, by nature | — | 
                                                164 622
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                157 654
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                110 092
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                86 277
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                168,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                109 924
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                23 648
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                1,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                38 484
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                93,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                12,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                38 765
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                38 652
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                113,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                87,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | 
                                                109 924
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                38 652
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | 
                                                168,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                113,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — |