Statement Of Changes In Equity [Abstract]

Alteron REIT - Filing #6019075

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	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	As at 2023-12-31	As at 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	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	2022-01-01 to 2022-12-31	2022-01-01 to 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	17 649 BGN	4 926 BGN	—	—	17 082 BGN	—	1 505 BGN	41 162 BGN	—	—	—	—	4 837 BGN	17 082 BGN	15 524 BGN	1 505 BGN	38 948 BGN	—	—	15 201 BGN	4 751 BGN	38 539 BGN	17 082 BGN	1 505 BGN
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	2 125 BGN	- BGN	—	—	2 125 BGN	- BGN	—	- BGN	—	—	- BGN	- BGN	—	323,000 BGN	—	—	—	—	—	323,000 BGN	- BGN	—	—	—	—	—
Comprehensive income	2 125 BGN	2 125 BGN	- BGN	—	—	2 125 BGN	- BGN	—	- BGN	—	—	- BGN	- BGN	323,000 BGN	323,000 BGN	—	—	—	—	—	323,000 BGN	- BGN	—	—	—	—	—
Increase through other contributions by owners, equity	—	89,000 BGN	89,000 BGN	—	—	- BGN	- BGN	—	- BGN	—	—	- BGN	86,000 BGN	—	- BGN	—	—	—	—	—	86,000 BGN	- BGN	—	—	—	—	—
Increase (decrease) in equity	—	89,000 BGN	89,000 BGN	—	—	- BGN	- BGN	—	- BGN	—	—	- BGN	86,000 BGN	—	- BGN	—	—	—	—	—	86,000 BGN	- BGN	—	—	—	—	—