Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-017992-index-headers.html | 2019-05-09 16:14:14 | |
| 0001564590-19-017992-index.html | 2019-05-09 16:14:14 | |
| 0001564590-19-017992.txt | 2019-05-09 16:14:14 | |
 0001564590-19-017992-xbrl.zip | 145407 | 2019-05-09 16:14:14 |
| crk-10q_20190331.htm | 955880 | 2019-05-09 16:14:14 |
| crk-20190331.xml | 1392306 | 2019-05-09 16:14:14 |
| crk-20190331.xsd | 60776 | 2019-05-09 16:14:14 |
| crk-20190331_cal.xml | 58021 | 2019-05-09 16:14:14 |
| crk-20190331_def.xml | 217098 | 2019-05-09 16:14:14 |
| crk-20190331_lab.xml | 404898 | 2019-05-09 16:14:14 |
| crk-20190331_pre.xml | 322013 | 2019-05-09 16:14:14 |
| crk-ex311_7.htm | 16766 | 2019-05-09 16:14:14 |
| crk-ex312_9.htm | 16730 | 2019-05-09 16:14:14 |
| crk-ex321_8.htm | 6046 | 2019-05-09 16:14:14 |
| crk-ex322_6.htm | 6022 | 2019-05-09 16:14:14 |
| FilingSummary.xml | 29934 | 2019-05-09 16:14:14 |
| Financial_Report.xlsx | 65706 | 2019-05-09 16:14:14 |
| R1.htm | 25614 | 2019-05-09 16:14:14 |
| R10.htm | 5299 | 2019-05-09 16:14:14 |
| R11.htm | 5654 | 2019-05-09 16:14:14 |
| R12.htm | 405425 | 2019-05-09 16:14:14 |
| R13.htm | 357854 | 2019-05-09 16:14:14 |
| R14.htm | 16577 | 2019-05-09 16:14:14 |
| R15.htm | 44988 | 2019-05-09 16:14:14 |
| R16.htm | 33559 | 2019-05-09 16:14:14 |
| R17.htm | 12472 | 2019-05-09 16:14:14 |
| R18.htm | 9244 | 2019-05-09 16:14:14 |
| R19.htm | 25442 | 2019-05-09 16:14:14 |
| R2.htm | 83550 | 2019-05-09 16:14:14 |
| R20.htm | 11062 | 2019-05-09 16:14:14 |
| R21.htm | 14045 | 2019-05-09 16:14:14 |
| R22.htm | 18621 | 2019-05-09 16:14:14 |
| R23.htm | 15022 | 2019-05-09 16:14:14 |
| R24.htm | 28491 | 2019-05-09 16:14:14 |
| R25.htm | 21260 | 2019-05-09 16:14:14 |
| R26.htm | 17888 | 2019-05-09 16:14:14 |
| R27.htm | 15301 | 2019-05-09 16:14:14 |
| R28.htm | 41386 | 2019-05-09 16:14:14 |
| R29.htm | 15996 | 2019-05-09 16:14:14 |
| R3.htm | 10725 | 2019-05-09 16:14:14 |
| R30.htm | 42901 | 2019-05-09 16:14:14 |
| R31.htm | 22681 | 2019-05-09 16:14:14 |
| R32.htm | 19110 | 2019-05-09 16:14:14 |
| R33.htm | 31047 | 2019-05-09 16:14:14 |
| R34.htm | 7109 | 2019-05-09 16:14:14 |
| R35.htm | 19555 | 2019-05-09 16:14:14 |
| R36.htm | 6836 | 2019-05-09 16:14:14 |
| R37.htm | 14869 | 2019-05-09 16:14:14 |
| R38.htm | 6079 | 2019-05-09 16:14:14 |
| R39.htm | 14083 | 2019-05-09 16:14:14 |
| R4.htm | 59707 | 2019-05-09 16:14:14 |
| R40.htm | 25123 | 2019-05-09 16:14:14 |
| R41.htm | 5471 | 2019-05-09 16:14:14 |
| R42.htm | 9353 | 2019-05-09 16:14:14 |
| R5.htm | 30285 | 2019-05-09 16:14:14 |
| R6.htm | 71302 | 2019-05-09 16:14:14 |
| R7.htm | 373340 | 2019-05-09 16:14:14 |
| R8.htm | 16383 | 2019-05-09 16:14:14 |
| R9.htm | 5097 | 2019-05-09 16:14:14 |
| report.css | 2767 | 2019-05-09 16:14:14 |
| Show.js | 1085 | 2019-05-09 16:14:14 |