| Name | ConstructionContractsAssetsMember |
|---|---|
| Namespace | http://www.nltaxonomie.nl/nt13/rj/20181212/dictionary/rj-domains |
| Prefix | rj-dm |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | sbr:domainMemberItem |
| Balance | None |
| Nillable | False |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Laufende Projekte im Auftrag von Dritten (Aktiva) | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Construction contracts (assets) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Projets en cours pour le compte de tiers (actifs) | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Onderhanden projecten in opdracht van derden (activa) | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Laufende Projekte im Auftrag von Dritten | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Construction contracts | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Projets en cours pour le compte de tiers | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Onderhanden projecten in opdracht van derden | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Forderungen aus laufenden Projekten | de | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Receivables from construction contracts | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Avances au titre de projets en cours | fr | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Vorderingen uit hoofde van onderhanden projecten | nl | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Chapter | 221 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2018-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving | http://www.xbrl.org/2003/role/reference |
| Paragraph | 409 | http://www.xbrl.org/2003/role/reference |
| Chapter | 221 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2018-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving | http://www.xbrl.org/2003/role/reference |
| Paragraph | 410 | http://www.xbrl.org/2003/role/reference |
| Chapter | 221 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2018-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving | http://www.xbrl.org/2003/role/reference |
| Paragraph | 417 | http://www.xbrl.org/2003/role/reference |
| Chapter | B5 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2018-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving voor kleine rechtspersonen | http://www.xbrl.org/2003/role/reference |
| Paragraph | 322 | http://www.xbrl.org/2003/role/reference |
| Chapter | B5 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2018-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving voor kleine rechtspersonen | http://www.xbrl.org/2003/role/reference |
| Paragraph | 323 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
rj-i:ConstructionContractsAssets | ConceptMemberEquivalence | http://www.xbrl.org/2008/role/link |