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| 0001373670-16-000079-index.html | 2016-11-07 16:14:35 | |
| 0001373670-16-000079.txt | 2016-11-07 16:14:35 | |
 0001373670-16-000079-xbrl.zip | 164715 | 2016-11-07 16:14:35 |
| a930201610-qgrbk.htm | 1113955 | 2016-11-07 16:14:35 |
| exhibit311certificationofc.htm | 13127 | 2016-11-07 16:14:35 |
| exhibit312certificationofc.htm | 13302 | 2016-11-07 16:14:35 |
| exhibit321certificationofc.htm | 6418 | 2016-11-07 16:14:35 |
| exhibit322certificationofc.htm | 6311 | 2016-11-07 16:14:35 |
| FilingSummary.xml | 27725 | 2016-11-07 16:14:35 |
| Financial_Report.xlsx | 66116 | 2016-11-07 16:14:35 |
| grbk-20160930.xml | 1199405 | 2016-11-07 16:14:35 |
| grbk-20160930.xsd | 41094 | 2016-11-07 16:14:35 |
| grbk-20160930_cal.xml | 52385 | 2016-11-07 16:14:35 |
| grbk-20160930_def.xml | 181972 | 2016-11-07 16:14:35 |
| grbk-20160930_lab.xml | 572846 | 2016-11-07 16:14:35 |
| grbk-20160930_pre.xml | 325114 | 2016-11-07 16:14:35 |
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| report.css | 2767 | 2016-11-07 16:14:35 |
| Show.js | 1410 | 2016-11-07 16:14:35 |