| 賃貸資産 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 賃貸資産、合計、有形固定資産、リース事業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 賃貸資産合計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Assets for lease | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Assets for lease-total-PPE-LEA | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Total assets for lease | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |