Profit Or Loss [Abstract]

CB First Investment Bank AD - Filing #6020848

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	—	—	—	—	—	434,970,000 BGN	—	—	—	—	373,709,000 BGN	—	—	—	—	—
Interest revenue calculated using effective interest method	—	—	—	—	—	—	—	334,310,000 BGN	—	—	—	—	313,863,000 BGN	—	—	—	—	—
Other gains (losses)	—	—	—	—	—	—	—	7,608,000 BGN	—	—	—	—	29,696,000 BGN	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	—	—	—	124,832,000 BGN	—	—	—	—	51,499,000 BGN	—	—	—	—	—
Tax expense (income)	—	—	—	—	—	—	—	13,424,000 BGN	—	—	—	—	5,982,000 BGN	—	—	—	—	—
Profit (loss)	813,000 BGN	- BGN	- BGN	- BGN	- BGN	- BGN	- BGN	111,408,000 BGN	110,595,000 BGN	44,974,000 BGN	- BGN	- BGN	45,517,000 BGN	- BGN	543,000 BGN	- BGN	- BGN	- BGN
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	—	—	—	—	110,595,000 BGN	—	—	—	—	44,974,000 BGN	—	—	—	—	—
Profit (loss), attributable to non-controlling interests	—	—	—	—	—	—	—	813,000 BGN	—	—	—	—	543,000 BGN	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	—	—	—	—	—	0.7400	—	—	—	—	0.3600	—	—	—	—	—