| Publisher | 国土交通省 | http://www.xbrl.org/2003/role/reference |
| Name | 建設業法施行規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2016-05-09 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第十六号 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 財務諸表等規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-06-30 | http://www.xbrl.org/2003/role/reference |
| Chapter | 3 | http://www.xbrl.org/2003/role/reference |
| Article | 70 | http://www.xbrl.org/2003/role/reference |
| Paragraph | 1 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 3 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 財務諸表等規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-06-30 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第6号 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 連結財務諸表規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-05-25 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第5号 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 中間連結財務諸表規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2015-09-04 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第5号 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 四半期連結財務諸表規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2015-09-04 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第3号 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 四半期連結財務諸表規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2015-09-04 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第4号 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 四半期財務諸表等規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2015-09-04 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第3号 | http://www.xbrl.org/2003/role/reference |
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 四半期財務諸表等規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2015-09-04 | http://www.xbrl.org/2003/role/reference |
| Appendix | 様式第4号 | http://www.xbrl.org/2003/role/reference |
| IndustryAbbreviation | cte | http://www.xbrl.org/2003/role/reference |