Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001373670-18-000029-index-headers.html | 2018-08-06 16:26:02 | |
| 0001373670-18-000029-index.html | 2018-08-06 16:26:02 | |
| 0001373670-18-000029.txt | 2018-08-06 16:26:02 | |
 0001373670-18-000029-xbrl.zip | 251980 | 2018-08-06 16:26:02 |
| a630201810-qgrbk.htm | 1456812 | 2018-08-06 16:26:02 |
| exhibit311certificationofc.htm | 13133 | 2018-08-06 16:26:02 |
| exhibit312certificationofc.htm | 13308 | 2018-08-06 16:26:02 |
| exhibit321certificationofc.htm | 6438 | 2018-08-06 16:26:02 |
| exhibit322certificationofc.htm | 6329 | 2018-08-06 16:26:02 |
| FilingSummary.xml | 41274 | 2018-08-06 16:26:02 |
| Financial_Report.xlsx | 89421 | 2018-08-06 16:26:02 |
| grbk-20180630.xml | 2041212 | 2018-08-06 16:26:02 |
| grbk-20180630.xsd | 62066 | 2018-08-06 16:26:02 |
| grbk-20180630_cal.xml | 97255 | 2018-08-06 16:26:02 |
| grbk-20180630_def.xml | 293228 | 2018-08-06 16:26:02 |
| grbk-20180630_lab.xml | 848533 | 2018-08-06 16:26:02 |
| grbk-20180630_pre.xml | 491000 | 2018-08-06 16:26:02 |
| R1.htm | 20241 | 2018-08-06 16:26:02 |
| R10.htm | 184821 | 2018-08-06 16:26:02 |
| R11.htm | 56890 | 2018-08-06 16:26:02 |
| R12.htm | 50906 | 2018-08-06 16:26:02 |
| R13.htm | 73916 | 2018-08-06 16:26:02 |
| R14.htm | 56114 | 2018-08-06 16:26:02 |
| R15.htm | 10148 | 2018-08-06 16:26:02 |
| R16.htm | 24662 | 2018-08-06 16:26:02 |
| R17.htm | 37546 | 2018-08-06 16:26:02 |
| R18.htm | 46115 | 2018-08-06 16:26:02 |
| R19.htm | 129335 | 2018-08-06 16:26:02 |
| R2.htm | 79450 | 2018-08-06 16:26:02 |
| R20.htm | 63278 | 2018-08-06 16:26:02 |
| R21.htm | 20505 | 2018-08-06 16:26:02 |
| R22.htm | 49377 | 2018-08-06 16:26:02 |
| R23.htm | 32939 | 2018-08-06 16:26:02 |
| R24.htm | 171739 | 2018-08-06 16:26:02 |
| R25.htm | 55564 | 2018-08-06 16:26:02 |
| R26.htm | 29202 | 2018-08-06 16:26:02 |
| R27.htm | 67024 | 2018-08-06 16:26:02 |
| R28.htm | 52468 | 2018-08-06 16:26:02 |
| R29.htm | 30333 | 2018-08-06 16:26:02 |
| R3.htm | 19077 | 2018-08-06 16:26:02 |
| R30.htm | 41134 | 2018-08-06 16:26:02 |
| R31.htm | 130170 | 2018-08-06 16:26:02 |
| R32.htm | 84369 | 2018-08-06 16:26:02 |
| R33.htm | 32262 | 2018-08-06 16:26:02 |
| R34.htm | 39390 | 2018-08-06 16:26:02 |
| R35.htm | 19860 | 2018-08-06 16:26:02 |
| R36.htm | 5224 | 2018-08-06 16:26:02 |
| R37.htm | 8086 | 2018-08-06 16:26:02 |
| R38.htm | 9811 | 2018-08-06 16:26:02 |
| R39.htm | 23823 | 2018-08-06 16:26:02 |
| R4.htm | 58498 | 2018-08-06 16:26:02 |
| R40.htm | 27764 | 2018-08-06 16:26:02 |
| R41.htm | 4789 | 2018-08-06 16:26:02 |
| R42.htm | 11921 | 2018-08-06 16:26:02 |
| R43.htm | 19078 | 2018-08-06 16:26:02 |
| R44.htm | 56281 | 2018-08-06 16:26:02 |
| R45.htm | 17194 | 2018-08-06 16:26:02 |
| R46.htm | 187932 | 2018-08-06 16:26:02 |
| R47.htm | 13227 | 2018-08-06 16:26:02 |
| R48.htm | 47379 | 2018-08-06 16:26:02 |
| R49.htm | 50615 | 2018-08-06 16:26:02 |
| R5.htm | 89785 | 2018-08-06 16:26:02 |
| R50.htm | 10017 | 2018-08-06 16:26:02 |
| R51.htm | 33562 | 2018-08-06 16:26:02 |
| R52.htm | 24228 | 2018-08-06 16:26:02 |
| R53.htm | 36582 | 2018-08-06 16:26:02 |
| R54.htm | 20002 | 2018-08-06 16:26:02 |
| R55.htm | 7655 | 2018-08-06 16:26:02 |
| R56.htm | 127058 | 2018-08-06 16:26:02 |
| R57.htm | 23445 | 2018-08-06 16:26:02 |
| R58.htm | 5875 | 2018-08-06 16:26:02 |
| R59.htm | 31479 | 2018-08-06 16:26:02 |
| R6.htm | 45029 | 2018-08-06 16:26:02 |
| R60.htm | 15662 | 2018-08-06 16:26:02 |
| R61.htm | 14488 | 2018-08-06 16:26:02 |
| R62.htm | 60122 | 2018-08-06 16:26:02 |
| R7.htm | 28448 | 2018-08-06 16:26:02 |
| R8.htm | 48194 | 2018-08-06 16:26:02 |
| R9.htm | 33328 | 2018-08-06 16:26:02 |
| report.css | 2767 | 2018-08-06 16:26:02 |
| Show.js | 1410 | 2018-08-06 16:26:02 |