| r0.c0 | Equity/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | jenv-bw2-i:Equity | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2018-12-31') |
| r1.c0 | ocw-table_NotesEquityStatementOfChanges-y.1/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2018-12-31') |
| r2.c0 | Equity, result/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | ocw-i:EquityResult | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-01-01')/xs:date('2019-12-31') |
| r3.c0 | Movement in equity as a result of other movements/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | kvk-i:EquityMovementOther | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-01-01')/xs:date('2019-12-31') |
| r4.c0 | ocw-table_NotesEquityStatementOfChanges-y.2/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-01-01')/xs:date('2019-12-31') |
| r5.c0 | Equity/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | jenv-bw2-i:Equity | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r6.c0 | ocw-table_NotesEquityStatementOfChanges-y.3/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r7.c0 | Equity, result/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | ocw-i:EquityResult | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c0 | Movement in equity as a result of other movements/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | kvk-i:EquityMovementOther | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c0 | ocw-table_NotesEquityStatementOfChanges-y.4/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c0 | Equity/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | jenv-bw2-i:Equity | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r11.c0 | ocw-table_NotesEquityStatementOfChanges-y.5/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |