| Art 19 para 2 item 2-2 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Issuance of shares or share acquisition rights not subject to securities registration | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Issuance of shares or share acquisition rights not subject to securities registration [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 第19条第2項第2号の2 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 届出を要しない株券等又は新株予約権証券等の発行 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 届出を要しない株券等又は新株予約権証券等の発行 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |