Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-059222-index-headers.html | 2020-03-02 17:26:39 | |
| 0001193125-20-059222-index.html | 2020-03-02 17:26:39 | |
| 0001193125-20-059222.txt | 2020-03-02 17:26:39 | |
 0001193125-20-059222-xbrl.zip | 12437 | 2020-03-02 17:26:39 |
| d889450d8k.htm | 28479 | 2020-03-02 17:26:39 |
| d889450d8k_htm.xml | 3290 | 2020-03-02 17:26:39 |
| d889450dex991.htm | 12803 | 2020-03-02 17:26:39 |
| FilingSummary.xml | 1734 | 2020-03-02 17:26:39 |
| Financial_Report.xlsx | 5806 | 2020-03-02 17:26:39 |
| gpor-20200302.xsd | 3074 | 2020-03-02 17:26:39 |
| gpor-20200302_lab.xml | 17372 | 2020-03-02 17:26:39 |
| gpor-20200302_pre.xml | 10955 | 2020-03-02 17:26:39 |
| MetaLinks.json | 18262 | 2020-03-02 17:26:39 |
| R1.htm | 38635 | 2020-03-02 17:26:39 |
| report.css | 2767 | 2020-03-02 17:26:39 |
| Show.js | 1085 | 2020-03-02 17:26:39 |