XML 87 R71.htm IDEA: XBRL DOCUMENT
v3.25.4

LOANS - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |
Nonaccrual Loans with No Related ACL | $ 14,334 | $ 1,482
Nonaccrual Loans with a Related ACL | 9,046 | 9,178
Total Nonaccrual Loans | 23,380 | 10,660
Total commercial real estate |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |
Nonaccrual Loans with No Related ACL | 8,231 | 1,482
Nonaccrual Loans with a Related ACL | 2,564 | 3,351
Total Nonaccrual Loans | 10,795 | 4,833
Total commercial real estate | Construction, land & land development |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |
Nonaccrual Loans with No Related ACL | 0 | 0
Nonaccrual Loans with a Related ACL | 1,132 | 0
Total Nonaccrual Loans | 1,132 | 0
Total commercial real estate | Other commercial real estate |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |
Nonaccrual Loans with No Related ACL | 8,231 | 1,482
Nonaccrual Loans with a Related ACL | 1,432 | 3,351
Total Nonaccrual Loans | 9,663 | 4,833
Residential real estate |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |
Nonaccrual Loans with No Related ACL | 1,807 | 0
Nonaccrual Loans with a Related ACL | 2,694 | 1,204
Total Nonaccrual Loans | 4,501 | 1,204
Commercial, financial & agricultural |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |
Nonaccrual Loans with No Related ACL | 4,296 | 0
Nonaccrual Loans with a Related ACL | 3,587 | 4,559
Total Nonaccrual Loans | 7,883 | 4,559
Consumer and other |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |
Nonaccrual Loans with No Related ACL | 0 | 0
Nonaccrual Loans with a Related ACL | 201 | 64
Total Nonaccrual Loans | $ 201 | $ 64

X
- Definition Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance + References No definition available. + Details
Name: | cban_FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance
Namespace Prefix: | cban_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_ConstructionLandAndLandDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_OtherCommercialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=cban_CommercialFinancialAndAgriculturalPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=cban_ConsumerAndOtherPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |