| Notes regarding total amounts of shares of and (or) loans to affiliated entities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes regarding total amounts of shares of and (or) loans to affiliated entities [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 関係会社の株式及び(又は)出資金の総額 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 関係会社の株式及び(又は)出資金の総額 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |