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| 0000711669-22-000057-index.html | 2022-03-18 11:51:36 | |
| 0000711669-22-000057.txt | 2022-03-18 11:51:36 | |
 0000711669-22-000057-xbrl.zip | 772331 | 2022-03-18 11:51:36 |
| cban-20211231.htm | 3983529 | 2022-03-18 11:51:36 |
| cban-20211231.xsd | 70698 | 2022-03-18 11:51:36 |
| cban-20211231_cal.xml | 151922 | 2022-03-18 11:51:36 |
| cban-20211231_def.xml | 455111 | 2022-03-18 11:51:36 |
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| cban-20211231_htm.xml | 3918747 | 2022-03-18 11:51:36 |
| cban-20211231_lab.xml | 1001505 | 2022-03-18 11:51:36 |
| cban-20211231_pre.xml | 722086 | 2022-03-18 11:51:36 |
| exhibit212021.htm | 4954 | 2022-03-18 11:51:36 |
| exhibit231.htm | 2784 | 2022-03-18 11:51:36 |
| exhibit2322021.htm | 2767 | 2022-03-18 11:51:36 |
| exhibit31110-k2021.htm | 16312 | 2022-03-18 11:51:36 |
| exhibit31210-k2021.htm | 16302 | 2022-03-18 11:51:36 |
| exhibit32110-k2021.htm | 7223 | 2022-03-18 11:51:36 |
| exhibit412021.htm | 23083 | 2022-03-18 11:51:36 |
| FilingSummary.xml | 59469 | 2022-03-18 11:51:36 |
| Financial_Report.xlsx | 166918 | 2022-03-18 11:51:36 |
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| R1.htm | 63315 | 2022-03-18 11:51:36 |
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| report.css | 2768 | 2022-03-18 11:51:36 |
| Show.js | 1086 | 2022-03-18 11:51:36 |