Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001704715-20-000046-index-headers.html | 2020-11-09 07:34:00 | |
| 0001704715-20-000046-index.html | 2020-11-09 07:34:00 | |
| 0001704715-20-000046.txt | 2020-11-09 07:34:00 | |
 0001704715-20-000046-xbrl.zip | 49814 | 2020-11-09 07:34:00 |
| ctra-20201109.htm | 37774 | 2020-11-09 07:34:00 |
| ctra-20201109.xsd | 2438 | 2020-11-09 07:34:00 |
| ctra-20201109_cal.xml | 720 | 2020-11-09 07:34:00 |
| ctra-20201109_def.xml | 1653 | 2020-11-09 07:34:00 |
| ctra-20201109_htm.xml | 10937 | 2020-11-09 07:34:00 |
| ctra-20201109_lab.xml | 23970 | 2020-11-09 07:34:00 |
| ctra-20201109_pre.xml | 12656 | 2020-11-09 07:34:00 |
| FilingSummary.xml | 1721 | 2020-11-09 07:34:00 |
| Financial_Report.xlsx | 5429 | 2020-11-09 07:34:00 |
 image0a721a.jpg | 19246 | 2020-11-09 07:34:00 |
| MetaLinks.json | 17333 | 2020-11-09 07:34:00 |
 newsreleaseimagea171a.jpg | 117757 | 2020-11-09 07:34:00 |
| pressrelease93020.htm | 938504 | 2020-11-09 07:34:00 |
| R1.htm | 38588 | 2020-11-09 07:34:00 |
 releasefootera221a.jpg | 164136 | 2020-11-09 07:34:00 |
| report.css | 2767 | 2020-11-09 07:34:00 |
| Show.js | 1085 | 2020-11-09 07:34:00 |