XML 67 R51.htm IDEA: XBRL DOCUMENT
v3.25.4

REGULATORY CAPITAL MARKETS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Banking And Thrift Disclosure [Abstract] |
Schedule of Regulatory Capital Information | The following table summarizes regulatory capital information as of December 31, 2025 and December 31, 2024 on a consolidated basis and for the subsidiary, as defined. Regulatory capital ratios for December 31, 2025 and 2024 were calculated in accordance with the Basel III rules.
| Actual |  | For Capital Adequacy Purposes |  | To Be Well Capitalized Under Prompt Corrective Action Provisions
(dollars in thousands) | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
As of December 31, 2025 |  |  |  |  |  |  |  |  |  |  |
Total Capital to Risk-Weighted Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 418,386 |  |  | 15.95 | % |  | $ | 209,849 |  |  | 8.00 | % |  | $ | 262,311 |  |  | 10.00 | %
Colony Bank | 378,421 |  |  | 14.48 |  |  | 209,072 |  |  | 8.00 |  |  | 261,340 |  |  | 10.00 |
Tier I Capital to Risk-Weighted Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | 356,702 |  |  | 13.60 |  |  | 157,369 |  |  | 6.00 |  |  | 209,825 |  |  | 8.00 |
Colony Bank | 355,640 |  |  | 13.61 |  |  | 156,785 |  |  | 6.00 |  |  | 209,046 |  |  | 8.00 |
Common Equity Tier 1 Capital to Risk-Weighted Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | 332,473 |  |  | 12.67 |  |  | 118,084 |  |  | 4.50 |  |  | 170,566 |  |  | 6.50 |
Colony Bank | 355,640 |  |  | 13.61 |  |  | 117,589 |  |  | 4.50 |  |  | 169,850 |  |  | 6.50 |
Tier I Capital to Average Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | 356,702 |  |  | 10.78 |  |  | 132,357 |  |  | 4.00 |  |  | 165,446 |  |  | 5.00 |
Colony Bank | 355,640 |  |  | 10.78 |  |  | 131,963 |  |  | 4.00 |  |  | 164,954 |  |  | 5.00 |
As of December 31, 2024 |  |  |  |  |  |  |  |  |  |  |
Total Capital to Risk-Weighted Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 352,495 |  |  | 17.10 | % |  | $ | 164,910 |  |  | 8.00 | % |  | $ | 206,137 |  |  | 10.00 | %
Colony Bank | 314,266 |  |  | 15.29 |  |  | 164,430 |  |  | 8.00 |  |  | 205,537 |  |  | 10.00 |
Tier I Capital to Risk-Weighted Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | 293,893 |  |  | 14.26 |  |  | 123,658 |  |  | 6.00 |  |  | 164,877 |  |  | 8.00 |
Colony Bank | 294,474 |  |  | 14.33 |  |  | 123,297 |  |  | 6.00 |  |  | 164,396 |  |  | 8.00 |
Common Equity Tier 1 Capital to Risk-Weighted Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | 269,664 |  |  | 13.08 |  |  | 92,774 |  |  | 4.50 |  |  | 134,007 |  |  | 6.50 |
Colony Bank | 294,474 |  |  | 14.33 |  |  | 92,473 |  |  | 4.50 |  |  | 133,572 |  |  | 6.50 |
Tier I Capital to Average Assets |  |  |  |  |  |  |  |  |  |  |
Consolidated | 293,893 |  |  | 9.50 |  |  | 123,744 |  |  | 4.00 |  |  | 154,681 |  |  | 5.00 |
Colony Bank | 294,474 |  |  | 9.55 |  |  | 123,340 |  |  | 4.00 |  |  | 154,175 |  |  | 5.00 |

X
- Definition Banking And Thrift Disclosure + References No definition available. + Details
Name: | cban_BankingAndThriftDisclosureAbstract
Namespace Prefix: | cban_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
Name: | us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration