| Art 19 para 2 item 1 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Public offering or secondary distribution of securities outside Japan | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Public offering or secondary distribution of securities outside Japan [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 第19条第2項第1号 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 本邦以外の地域における有価証券の募集又は売出 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 本邦以外の地域における有価証券の募集又は売出 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |