| 投資株式の保有目的を純投資目的から純投資目的以外の目的に変更したもの | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 投資株式の保有目的を純投資目的から純投資目的以外の目的に変更したもの、提出会社 [表示項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Investment shares reclassified from held for pure investment to held for purposes other than pure investment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investment shares reclassified from held for pure investment to held for purposes other than pure investment, Reporting company [line items] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |