Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001282977-20-000034-index-headers.html | 2020-08-07 07:48:04 | |
| 0001282977-20-000034-index.html | 2020-08-07 07:48:04 | |
| 0001282977-20-000034.txt | 2020-08-07 07:48:04 | |
 0001282977-20-000034-xbrl.zip | 201453 | 2020-08-07 07:48:04 |
| ex311-q22020.htm | 10702 | 2020-08-07 07:48:04 |
| ex312-q22020.htm | 10954 | 2020-08-07 07:48:04 |
| ex321-q22020.htm | 6401 | 2020-08-07 07:48:04 |
| ex322-q22020.htm | 6670 | 2020-08-07 07:48:04 |
| FilingSummary.xml | 24155 | 2020-08-07 07:48:04 |
| Financial_Report.xlsx | 63778 | 2020-08-07 07:48:04 |
| ghl-20200630.htm | 1161439 | 2020-08-07 07:48:04 |
| ghl-20200630.xsd | 29661 | 2020-08-07 07:48:04 |
| ghl-20200630_cal.xml | 60390 | 2020-08-07 07:48:04 |
| ghl-20200630_def.xml | 146689 | 2020-08-07 07:48:04 |
| ghl-20200630_htm.xml | 822447 | 2020-08-07 07:48:04 |
| ghl-20200630_lab.xml | 441095 | 2020-08-07 07:48:04 |
| ghl-20200630_pre.xml | 269887 | 2020-08-07 07:48:04 |
| MetaLinks.json | 468989 | 2020-08-07 07:48:04 |
| R1.htm | 52232 | 2020-08-07 07:48:04 |
| R10.htm | 43436 | 2020-08-07 07:48:04 |
| R11.htm | 18023 | 2020-08-07 07:48:04 |
| R12.htm | 36461 | 2020-08-07 07:48:04 |
| R13.htm | 5611 | 2020-08-07 07:48:04 |
| R14.htm | 13812 | 2020-08-07 07:48:04 |
| R15.htm | 7193 | 2020-08-07 07:48:04 |
| R16.htm | 65065 | 2020-08-07 07:48:04 |
| R17.htm | 10897 | 2020-08-07 07:48:04 |
| R18.htm | 39281 | 2020-08-07 07:48:04 |
| R19.htm | 8776 | 2020-08-07 07:48:04 |
| R2.htm | 70551 | 2020-08-07 07:48:04 |
| R20.htm | 5104 | 2020-08-07 07:48:04 |
| R21.htm | 81958 | 2020-08-07 07:48:04 |
| R22.htm | 31748 | 2020-08-07 07:48:04 |
| R23.htm | 34944 | 2020-08-07 07:48:04 |
| R24.htm | 66646 | 2020-08-07 07:48:04 |
| R25.htm | 40508 | 2020-08-07 07:48:04 |
| R26.htm | 4109 | 2020-08-07 07:48:04 |
| R27.htm | 82000 | 2020-08-07 07:48:04 |
| R28.htm | 14259 | 2020-08-07 07:48:04 |
| R29.htm | 20025 | 2020-08-07 07:48:04 |
| R3.htm | 23500 | 2020-08-07 07:48:04 |
| R30.htm | 4915 | 2020-08-07 07:48:04 |
| R31.htm | 86175 | 2020-08-07 07:48:04 |
| R32.htm | 27545 | 2020-08-07 07:48:04 |
| R33.htm | 36353 | 2020-08-07 07:48:04 |
| R34.htm | 24749 | 2020-08-07 07:48:04 |
| R35.htm | 5101 | 2020-08-07 07:48:04 |
| R36.htm | 9928 | 2020-08-07 07:48:04 |
| R37.htm | 24624 | 2020-08-07 07:48:04 |
| R38.htm | 7095 | 2020-08-07 07:48:04 |
| R39.htm | 13214 | 2020-08-07 07:48:04 |
| R4.htm | 69417 | 2020-08-07 07:48:04 |
| R40.htm | 5908 | 2020-08-07 07:48:04 |
| R5.htm | 17917 | 2020-08-07 07:48:04 |
| R6.htm | 76270 | 2020-08-07 07:48:04 |
| R7.htm | 4554 | 2020-08-07 07:48:04 |
| R8.htm | 85638 | 2020-08-07 07:48:04 |
| R9.htm | 7670 | 2020-08-07 07:48:04 |
| report.css | 2767 | 2020-08-07 07:48:04 |
| Show.js | 1085 | 2020-08-07 07:48:04 |