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|---|---|---|
 0001564590-17-009326-index-headers.html | 2017-05-08 13:41:05 | |
| 0001564590-17-009326-index.html | 2017-05-08 13:41:05 | |
| 0001564590-17-009326.txt | 2017-05-08 13:41:05 | |
 0001564590-17-009326-xbrl.zip | 102459 | 2017-05-08 13:41:05 |
| crk-10q_20170331.htm | 719106 | 2017-05-08 13:41:05 |
| crk-20170331.xml | 786175 | 2017-05-08 13:41:05 |
| crk-20170331.xsd | 46509 | 2017-05-08 13:41:05 |
| crk-20170331_cal.xml | 47702 | 2017-05-08 13:41:05 |
| crk-20170331_def.xml | 108660 | 2017-05-08 13:41:05 |
| crk-20170331_lab.xml | 310173 | 2017-05-08 13:41:05 |
| crk-20170331_pre.xml | 221997 | 2017-05-08 13:41:05 |
| crk-ex311_7.htm | 16760 | 2017-05-08 13:41:05 |
| crk-ex312_9.htm | 16724 | 2017-05-08 13:41:05 |
| crk-ex321_8.htm | 6040 | 2017-05-08 13:41:05 |
| crk-ex322_10.htm | 6018 | 2017-05-08 13:41:05 |
| FilingSummary.xml | 23132 | 2017-05-08 13:41:05 |
| Financial_Report.xlsx | 43107 | 2017-05-08 13:41:05 |
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| R9.htm | 9594 | 2017-05-08 13:41:05 |
| report.css | 2767 | 2017-05-08 13:41:05 |
| Show.js | 1410 | 2017-05-08 13:41:05 |