Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001373670-21-000055-index-headers.html | 2021-12-30 18:09:31 | |
| 0001373670-21-000055-index.html | 2021-12-30 18:09:31 | |
| 0001373670-21-000055.txt | 2021-12-30 18:09:31 | |
 0001373670-21-000055-xbrl.zip | 113662 | 2021-12-30 18:09:31 |
| exhibit1049notepurchaseagr.htm | 700351 | 2021-12-30 18:09:31 |
| exhibit1050subsidiaryguara.htm | 124080 | 2021-12-30 18:09:31 |
| FilingSummary.xml | 1907 | 2021-12-30 18:09:31 |
| Financial_Report.xlsx | 5701 | 2021-12-30 18:09:31 |
| grbk-20211228.htm | 40622 | 2021-12-30 18:09:31 |
| grbk-20211228.xsd | 2346 | 2021-12-30 18:09:31 |
| grbk-20211228_def.xml | 14997 | 2021-12-30 18:09:31 |
| grbk-20211228_htm.xml | 11377 | 2021-12-30 18:09:31 |
| grbk-20211228_lab.xml | 28854 | 2021-12-30 18:09:31 |
| grbk-20211228_pre.xml | 15566 | 2021-12-30 18:09:31 |
| MetaLinks.json | 21481 | 2021-12-30 18:09:31 |
| R1.htm | 40403 | 2021-12-30 18:09:31 |
| report.css | 2767 | 2021-12-30 18:09:31 |
| Show.js | 1085 | 2021-12-30 18:09:31 |