http://www.altareit.fr/2024-12-31 Altareit XBRL Taxonomy 2024 Extended XBRL Taxonomy to display company-related extensions to the base taxonomy Final Draft Altareit http://www.altareit.fr/ FR 2025-02-25 Altareit XBRL Taxonomy 2024 Entry point to be used to load Altareit XBRL report for 2024 fr en