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| 0001564590-19-005345-index.html | 2019-02-28 13:45:09 | |
| 0001564590-19-005345.txt | 2019-02-28 13:45:09 | |
 0001564590-19-005345-xbrl.zip | 182726 | 2019-02-28 13:45:09 |
| crr-10k_20181231.htm | 2090595 | 2019-02-28 13:45:09 |
| crr-20181231.xml | 1842167 | 2019-02-28 13:45:09 |
| crr-20181231.xsd | 75181 | 2019-02-28 13:45:09 |
| crr-20181231_cal.xml | 80543 | 2019-02-28 13:45:09 |
| crr-20181231_def.xml | 324737 | 2019-02-28 13:45:09 |
| crr-20181231_lab.xml | 593647 | 2019-02-28 13:45:09 |
| crr-20181231_pre.xml | 490667 | 2019-02-28 13:45:09 |
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| FilingSummary.xml | 45575 | 2019-02-28 13:45:09 |
| Financial_Report.xlsx | 92425 | 2019-02-28 13:45:09 |
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| report.css | 2767 | 2019-02-28 13:45:09 |
| Show.js | 1085 | 2019-02-28 13:45:09 |