Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-052671-index-headers.html | 2020-02-27 16:14:40 | |
| 0001193125-20-052671-index.html | 2020-02-27 16:14:40 | |
| 0001193125-20-052671.txt | 2020-02-27 16:14:40 | |
 0001193125-20-052671-xbrl.zip | 34144 | 2020-02-27 16:14:40 |
| d890836d8k.htm | 36996 | 2020-02-27 16:14:40 |
| d890836d8k_htm.xml | 3498 | 2020-02-27 16:14:40 |
| d890836dex31.htm | 123690 | 2020-02-27 16:14:40 |
| FilingSummary.xml | 1733 | 2020-02-27 16:14:40 |
| Financial_Report.xlsx | 5837 | 2020-02-27 16:14:40 |
| gpor-20200225.xsd | 3075 | 2020-02-27 16:14:40 |
| gpor-20200225_lab.xml | 18124 | 2020-02-27 16:14:40 |
| gpor-20200225_pre.xml | 11408 | 2020-02-27 16:14:40 |
| MetaLinks.json | 18878 | 2020-02-27 16:14:40 |
| R1.htm | 40173 | 2020-02-27 16:14:40 |
| report.css | 2767 | 2020-02-27 16:14:40 |
| Show.js | 1084 | 2020-02-27 16:14:40 |