Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-253886-index-headers.html | 2020-09-25 07:04:31 | |
| 0001193125-20-253886-index.html | 2020-09-25 07:04:31 | |
| 0001193125-20-253886.txt | 2020-09-25 07:04:31 | |
 0001193125-20-253886-xbrl.zip | 8338 | 2020-09-25 07:04:31 |
| d159409d8k.htm | 25225 | 2020-09-25 07:04:31 |
| d159409d8k_htm.xml | 3291 | 2020-09-25 07:04:31 |
| FilingSummary.xml | 1886 | 2020-09-25 07:04:31 |
| Financial_Report.xlsx | 5467 | 2020-09-25 07:04:31 |
| gpor-20200921.xsd | 3076 | 2020-09-25 07:04:31 |
| gpor-20200921_lab.xml | 17374 | 2020-09-25 07:04:31 |
| gpor-20200921_pre.xml | 10957 | 2020-09-25 07:04:31 |
| MetaLinks.json | 18290 | 2020-09-25 07:04:31 |
| R1.htm | 38182 | 2020-09-25 07:04:31 |
| report.css | 2765 | 2020-09-25 07:04:31 |
| Show.js | 1084 | 2020-09-25 07:04:31 |