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| chco-20230331.htm | 3422115 | 2023-05-05 16:03:13 |
| chco-20230331.xsd | 45553 | 2023-05-05 16:03:13 |
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| chco-20230331_htm.xml | 4058758 | 2023-05-05 16:03:13 |
| chco-20230331_lab.xml | 696292 | 2023-05-05 16:03:13 |
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