| Tender Offer by Those Other than Issuer Form No. 4 Subject Company's Position Statement | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Cabinet Office Ordinance on Disclosure of Tender Offer for Share Certificates, etc. by Those Other than Issuer Form No. 4 Subject Company's Position Statement [heading] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 他社株買付府令 第四号様式 意見表明報告書 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 発行者以外の者による株券等の公開買付けの開示に関する内閣府令 第四号様式 意見表明報告書 [目次項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |