| r0.c0 | Rights granted not yet exercised/Current | jenv-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r0.c1 | Rights granted not yet exercised/Previous | jenv-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r1.c0 | Number of rights granted in the financial year to acquire or acquire (depositary receipts for) shares in the capital of the company or subsidiary/Current | jenv-bw2-i:RightsGrantedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r1.c1 | Number of rights granted in the financial year to acquire or acquire (depositary receipts for) shares in the capital of the company or subsidiary/Previous | jenv-bw2-i:RightsGrantedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r2.c0 | Number of rights exercised during the financial year to acquire or acquire (depositary receipts for) shares in the capital of the company or subsidiary/Current | jenv-bw2-i:RightsGrantedExercisedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r2.c1 | Number of rights exercised during the financial year to acquire or acquire (depositary receipts for) shares in the capital of the company or subsidiary/Previous | jenv-bw2-i:RightsGrantedExercisedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r3.c0 | Movement in rights granted not yet exercised during the period/Current | jenv-bw2-i:RightsGrantedNotYetExercisedMovement | nl-types:integer20ItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r3.c1 | Movement in rights granted not yet exercised during the period/Previous | jenv-bw2-i:RightsGrantedNotYetExercisedMovement | nl-types:integer20ItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r4.c0 | Rights granted not yet exercised/Current | jenv-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r4.c1 | Rights granted not yet exercised/Previous | jenv-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r5.c0 | Exercise price of rights granted (certificates of) to acquire or receive shares in capital of company or daughter company/Current | jenv-bw2-i:RightsGrantedExercisePrice | nl-types:monetary20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r5.c1 | Exercise price of rights granted (certificates of) to acquire or receive shares in capital of company or daughter company/Previous | jenv-bw2-i:RightsGrantedExercisePrice | nl-types:monetary20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r6.c0 | Remaining maturity of the granted rights not yet exercised (certificates of) to acquire or receive shares in capital of company or daughter company/Current | jenv-bw2-i:RightsGrantedMaturityOfNotYetExercisedRights | xbrli:nonNegativeIntegerItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r6.c1 | Remaining maturity of the granted rights not yet exercised (certificates of) to acquire or receive shares in capital of company or daughter company/Previous | jenv-bw2-i:RightsGrantedMaturityOfNotYetExercisedRights | xbrli:nonNegativeIntegerItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r7.c0 | Price of underlying shares of rights granted of the company in case exercise price is lower than the price of shares (certificates of) at the moment rights are granted/Current | jenv-bw2-i:RightsGrantedPriceUnderlyingShares | nl-types:monetary20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |
| r7.c1 | Price of underlying shares of rights granted of the company in case exercise price is lower than the price of shares (certificates of) at the moment rights are granted/Previous | jenv-bw2-i:RightsGrantedPriceUnderlyingShares | nl-types:monetary20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember |