| r0.c0 | Premiums written/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x1.1.1.1.1 | jenv-bw2-i:PremiumsWritten | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Premiums written/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x2.1 | jenv-bw2-i:PremiumsWritten | nl-types:monetaryNoDecimalsItemType | duration | N/A | N/A | N/A |
| r1.c0 | Premiums earned/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x1.1.1.1.1 | jenv-bw2-i:PremiumsEarned | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Premiums earned/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x2.1 | jenv-bw2-i:PremiumsEarned | nl-types:monetaryNoDecimalsItemType | duration | N/A | N/A | N/A |
| r2.c0 | Damages/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x1.1.1.1.1 | jenv-bw2-i:Damages | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Damages/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x2.1 | jenv-bw2-i:Damages | nl-types:monetaryNoDecimalsItemType | duration | N/A | N/A | N/A |
| r3.c0 | Operating expenses/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x1.1.1.1.1 | jenv-bw2-i:OperatingExpenses | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Operating expenses/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x2.1 | jenv-bw2-i:OperatingExpenses | nl-types:monetaryNoDecimalsItemType | duration | N/A | N/A | N/A |
| r4.c0 | Sum of the reinsurance income and expenses/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x1.1.1.1.1 | jenv-bw2-i:ReinsuranceIncomeExpenses | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r4.c1 | Sum of the reinsurance income and expenses/kvk-table_NotesConsolidatedIndemnityInsuranceComponentsInsuranceTable-x2.1 | jenv-bw2-i:ReinsuranceIncomeExpenses | nl-types:monetaryNoDecimalsItemType | duration | N/A | N/A | N/A |