| Determination on consolidation-type merger of investment corporation | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Art 29 para 2 item 8 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Determination on consolidation-type merger of investment corporation [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 投資法人の新設合併の決定 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 第29条第2項第8号 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 投資法人の新設合併の決定 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |