| 当該中間会計期間における月別最高・最低株価 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 当該中間会計期間における月別最高・最低株価 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Highest and lowest share price of each month in said semi-annual accounting period | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Highest and lowest share price of each month in said semi-annual accounting period [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |