Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001282977-22-000018-index-headers.html | 2022-05-06 16:31:58 | |
| 0001282977-22-000018-index.html | 2022-05-06 16:31:58 | |
| 0001282977-22-000018.txt | 2022-05-06 16:31:58 | |
 0001282977-22-000018-xbrl.zip | 160490 | 2022-05-06 16:31:58 |
| ex311-q12022.htm | 9018 | 2022-05-06 16:31:58 |
| ex312-q12022.htm | 9212 | 2022-05-06 16:31:58 |
| ex321-q12022.htm | 5201 | 2022-05-06 16:31:58 |
| ex322-q12022.htm | 5412 | 2022-05-06 16:31:58 |
| FilingSummary.xml | 23219 | 2022-05-06 16:31:58 |
| Financial_Report.xlsx | 57484 | 2022-05-06 16:31:58 |
| ghl-20220331.htm | 724604 | 2022-05-06 16:31:58 |
| ghl-20220331.xsd | 26223 | 2022-05-06 16:31:58 |
| ghl-20220331_cal.xml | 47760 | 2022-05-06 16:31:58 |
| ghl-20220331_def.xml | 100082 | 2022-05-06 16:31:58 |
| ghl-20220331_htm.xml | 544862 | 2022-05-06 16:31:58 |
| ghl-20220331_lab.xml | 394878 | 2022-05-06 16:31:58 |
| ghl-20220331_pre.xml | 236060 | 2022-05-06 16:31:58 |
| MetaLinks.json | 448721 | 2022-05-06 16:31:58 |
| R1.htm | 52337 | 2022-05-06 16:31:58 |
| R10.htm | 33643 | 2022-05-06 16:31:58 |
| R11.htm | 13442 | 2022-05-06 16:31:58 |
| R12.htm | 26446 | 2022-05-06 16:31:58 |
| R13.htm | 12557 | 2022-05-06 16:31:58 |
| R14.htm | 10649 | 2022-05-06 16:31:58 |
| R15.htm | 34875 | 2022-05-06 16:31:58 |
| R16.htm | 9897 | 2022-05-06 16:31:58 |
| R17.htm | 26529 | 2022-05-06 16:31:58 |
| R18.htm | 8564 | 2022-05-06 16:31:58 |
| R19.htm | 5497 | 2022-05-06 16:31:58 |
| R2.htm | 80800 | 2022-05-06 16:31:58 |
| R20.htm | 70051 | 2022-05-06 16:31:58 |
| R21.htm | 22644 | 2022-05-06 16:31:58 |
| R22.htm | 25626 | 2022-05-06 16:31:58 |
| R23.htm | 36504 | 2022-05-06 16:31:58 |
| R24.htm | 28228 | 2022-05-06 16:31:58 |
| R25.htm | 4109 | 2022-05-06 16:31:58 |
| R26.htm | 49354 | 2022-05-06 16:31:58 |
| R27.htm | 14551 | 2022-05-06 16:31:58 |
| R28.htm | 20073 | 2022-05-06 16:31:58 |
| R29.htm | 43947 | 2022-05-06 16:31:58 |
| R3.htm | 23558 | 2022-05-06 16:31:58 |
| R30.htm | 24708 | 2022-05-06 16:31:58 |
| R31.htm | 39967 | 2022-05-06 16:31:58 |
| R32.htm | 24822 | 2022-05-06 16:31:58 |
| R33.htm | 5119 | 2022-05-06 16:31:58 |
| R34.htm | 7651 | 2022-05-06 16:31:58 |
| R35.htm | 27922 | 2022-05-06 16:31:58 |
| R36.htm | 7028 | 2022-05-06 16:31:58 |
| R37.htm | 13206 | 2022-05-06 16:31:58 |
| R38.htm | 5895 | 2022-05-06 16:31:58 |
| R4.htm | 73632 | 2022-05-06 16:31:58 |
| R5.htm | 21230 | 2022-05-06 16:31:58 |
| R6.htm | 41847 | 2022-05-06 16:31:58 |
| R7.htm | 6074 | 2022-05-06 16:31:58 |
| R8.htm | 74836 | 2022-05-06 16:31:58 |
| R9.htm | 7568 | 2022-05-06 16:31:58 |
| report.css | 2767 | 2022-05-06 16:31:58 |
| Show.js | 1085 | 2022-05-06 16:31:58 |