| Name | AnnexedDetailedScheduleOfWaterTransportationRevenuesAndExpensesHeading |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jpcrp/2018-03-31/jpcrp_cor |
| Prefix | jpcrp_cor |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | iod:identifierItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 海運業収益及び費用明細表 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 海運業収益及び費用明細表 [目次項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Annexed detailed schedule of water transportation revenues and expenses | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Annexed detailed schedule of water transportation revenues and expenses [heading] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |