Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000726854-21-000010-index-headers.html | 2021-01-26 11:59:35 | |
| 0000726854-21-000010-index.html | 2021-01-26 11:59:35 | |
| 0000726854-21-000010.txt | 2021-01-26 11:59:35 | |
 0000726854-21-000010-xbrl.zip | 77197 | 2021-01-26 11:59:35 |
| chco-20210126.htm | 31241 | 2021-01-26 11:59:35 |
| chco-20210126.xsd | 2529 | 2021-01-26 11:59:35 |
| chco-20210126_cal.xml | 809 | 2021-01-26 11:59:35 |
| chco-20210126_def.xml | 17143 | 2021-01-26 11:59:35 |
 chco-20210126_g1.jpg | 28707 | 2021-01-26 11:59:35 |
| chco-20210126_htm.xml | 10766 | 2021-01-26 11:59:35 |
| chco-20210126_lab.xml | 32315 | 2021-01-26 11:59:35 |
| chco-20210126_pre.xml | 17390 | 2021-01-26 11:59:35 |
| chco12-31x20exhibit991.htm | 906093 | 2021-01-26 11:59:35 |
| FilingSummary.xml | 1885 | 2021-01-26 11:59:35 |
| Financial_Report.xlsx | 5455 | 2021-01-26 11:59:35 |
| MetaLinks.json | 23307 | 2021-01-26 11:59:35 |
| R1.htm | 38862 | 2021-01-26 11:59:35 |
| report.css | 2767 | 2021-01-26 11:59:35 |
| Show.js | 1085 | 2021-01-26 11:59:35 |