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| 0001564590-19-042984-index.html | 2019-11-12 16:44:12 | |
| 0001564590-19-042984.txt | 2019-11-12 16:44:12 | |
 0001564590-19-042984-xbrl.zip | 221169 | 2019-11-12 16:44:12 |
| crk-10q_20190930.htm | 1864042 | 2019-11-12 16:44:12 |
| crk-20190930.xml | 2827919 | 2019-11-12 16:44:12 |
| crk-20190930.xsd | 82401 | 2019-11-12 16:44:12 |
| crk-20190930_cal.xml | 84725 | 2019-11-12 16:44:12 |
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| crk-20190930_lab.xml | 561448 | 2019-11-12 16:44:12 |
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| crk-ex311_9.htm | 16776 | 2019-11-12 16:44:12 |
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| crk-ex321_6.htm | 6056 | 2019-11-12 16:44:12 |
| crk-ex322_7.htm | 6032 | 2019-11-12 16:44:12 |
| FilingSummary.xml | 32991 | 2019-11-12 16:44:12 |
| Financial_Report.xlsx | 82061 | 2019-11-12 16:44:12 |
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| report.css | 2767 | 2019-11-12 16:44:12 |
| Show.js | 1085 | 2019-11-12 16:44:12 |