| r0.c0 | Number of rental units managed by others/Current | bzk-dvi-i:NumberOfRentalUnitsManagedByOthers | nl-types:nonNegativeInteger20ItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:CompoundNonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c0 | Number of rental units managed for others/Current | bzk-dvi-i:NumberOfRentalUnitsManagedForOthers | nl-types:nonNegativeInteger20ItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:CompoundNonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |