bzk-dvi-dim:MunicipalityAxis bzk-dvi-abstr:PerformanceAgreementsPerMunicipalitySocialRentTitle urn:bzk:linkrole:performance-agreements-per-municipality-social-rent-housing-dvi http://www.xbrl.org/2003/arcrole/parent-child descendant jenv-bw2-dm:ConsolidatedMember $BasisOfPreparationParam bzk-dvi-dm:SocialRentMember