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| 0001373670-25-000050-index.html | 2025-04-30 16:24:48 | |
| 0001373670-25-000050.txt | 2025-04-30 16:24:48 | |
 0001373670-25-000050-xbrl.zip | 186208 | 2025-04-30 16:24:48 |
| ex311certificationofchiefe.htm | 10704 | 2025-04-30 16:24:48 |
| ex312certificationofchieff.htm | 10649 | 2025-04-30 16:24:48 |
| ex321certificationofchiefe.htm | 4913 | 2025-04-30 16:24:48 |
| ex322certificationofchieff.htm | 4892 | 2025-04-30 16:24:48 |
| FilingSummary.xml | 34134 | 2025-04-30 16:24:48 |
| Financial_Report.xlsx | 84726 | 2025-04-30 16:24:48 |
| grbk-20250331.htm | 1029655 | 2025-04-30 16:24:48 |
| grbk-20250331.xsd | 37256 | 2025-04-30 16:24:48 |
| grbk-20250331_cal.xml | 54617 | 2025-04-30 16:24:48 |
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| grbk-20250331_htm.xml | 807010 | 2025-04-30 16:24:48 |
| grbk-20250331_lab.xml | 448273 | 2025-04-30 16:24:48 |
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| R9.htm | 45582 | 2025-04-30 16:24:48 |
| report.css | 2767 | 2025-04-30 16:24:48 |
| Show.js | 1085 | 2025-04-30 16:24:48 |