| Art 19 para 2 item 15-3 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Determination on absorption-type merger of consolidated subsidiary | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Determination on absorption-type merger of consolidated subsidiary [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 第19条第2項第15号の3 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 連結子会社の吸収合併の決定 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 連結子会社の吸収合併の決定 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |