| r0.c0 | Under the retirement age, income lower or equal to income limit Wht, single person households/bzk-table_NumberOfAssignmentsSinglePersonHouseholdsConsolidatedHousingDviTable-x.1.1.1.1 | bzk-dvi-i:UnderRetirementAgeIncomeLowerOrEqualToIncomeLimitWhtSinglePersonHouseholds | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c0 | Under the retirement age, income higher than income limit Wht, single person households/bzk-table_NumberOfAssignmentsSinglePersonHouseholdsConsolidatedHousingDviTable-x.1.1.1.1 | bzk-dvi-i:UnderRetirementAgeIncomeHigherThanIncomeLimitWhtSinglePersonHouseholds | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c0 | Above the retirement age, income lower or equal to income limit Wht, single person households/bzk-table_NumberOfAssignmentsSinglePersonHouseholdsConsolidatedHousingDviTable-x.1.1.1.1 | bzk-dvi-i:AboveRetirementAgeIncomeLowerOrEqualToIncomeLimitWhtSinglePersonHouseholds | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r3.c0 | Above the retirement age, income lower higher than income limit Wht, single person households/bzk-table_NumberOfAssignmentsSinglePersonHouseholdsConsolidatedHousingDviTable-x.1.1.1.1 | bzk-dvi-i:AboveRetirementAgeIncomeHigherThanIncomeLimitWhtSinglePersonHouseholds | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r4.c0 | Number of assignments per rental limit/bzk-table_NumberOfAssignmentsSinglePersonHouseholdsConsolidatedHousingDviTable-x.1.1.1.1 | bzk-dvi-i:NumberOfAssignmentsPerRentalLimitSinglePersonHouseholds | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |