| Name | AdditionalDEIForReportOfLargeVolumeHoldingAbstract |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jplvh/2014-07-31/jplvh_cor |
| Prefix | jplvh_cor |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 大量保有報告書の追加DEI | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 大量保有報告書の追加DEI [タイトル項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Additional DEI for report of large volume holding | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Additional DEI for report of large volume holding [abstract] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
jplvh_cor:InformationAboutFilersLargeVolumeHoldersAndJointHoldersDEITable | all | http://disclosure.edinet-fsa.go.jp/role/jplvh/rol_std_AdditionalDEIForReportOfLargeVolumeHolding | |
jplvh_cor:InformationAboutFilersAndJointHoldersDEILineItems | domain-member | http://disclosure.edinet-fsa.go.jp/role/jplvh/rol_std_AdditionalDEIForReportOfLargeVolumeHolding |