| 信託差入敷金及び保証金の回収による収入 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 信託差入敷金及び保証金の回収による収入、投資活動によるキャッシュ・フロー、投資業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Proceeds from refund of leasehold and guarantee deposits in trust | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Proceeds from refund of leasehold and guarantee deposits in trust - InvCF - INV | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |