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| 0001373670-22-000023.txt | 2022-05-03 16:49:27 | |
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| a51ex312certificationofchi.htm | 10755 | 2022-05-03 16:49:27 |
| a52ex321certificationofchi.htm | 5037 | 2022-05-03 16:49:27 |
| a53ex322certificationofchi.htm | 4990 | 2022-05-03 16:49:27 |
| a5ex311certificationofchie.htm | 10803 | 2022-05-03 16:49:27 |
| FilingSummary.xml | 32653 | 2022-05-03 16:49:27 |
| Financial_Report.xlsx | 73210 | 2022-05-03 16:49:27 |
| grbk-20220331.htm | 1206823 | 2022-05-03 16:49:27 |
| grbk-20220331.xsd | 34155 | 2022-05-03 16:49:27 |
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| grbk-20220331_htm.xml | 953753 | 2022-05-03 16:49:27 |
| grbk-20220331_lab.xml | 523745 | 2022-05-03 16:49:27 |
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| report.css | 2767 | 2022-05-03 16:49:27 |
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