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| 0001710366-23-000017-index.html | 2023-08-08 07:03:29 | |
| 0001710366-23-000017.txt | 2023-08-08 07:03:29 | |
 0001710366-23-000017-xbrl.zip | 296309 | 2023-08-08 07:03:29 |
| ceix-20230630.htm | 1922947 | 2023-08-08 07:03:29 |
| ceix-20230630.xsd | 53012 | 2023-08-08 07:03:29 |
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