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| 0000726854-24-000040-index.html | 2024-02-28 14:02:27 | |
| 0000726854-24-000040.txt | 2024-02-28 14:02:27 | |
 0000726854-24-000040-xbrl.zip | 937612 | 2024-02-28 14:02:27 |
| chco-20231231.htm | 3960236 | 2024-02-28 14:02:27 |
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| report.css | 2768 | 2024-02-28 14:02:27 |
| Show.js | 1086 | 2024-02-28 14:02:27 |