XML 54 R44.htm IDEA: XBRL DOCUMENT v3.24.3

Loans - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Nonaccrual Loans with No Related ACL	$ 755	$ 3,558
Nonaccrual Loans with a Related ACL	11,460	6,281
Total Nonaccrual Loans	12,215	9,839
Commercial real estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Nonaccrual Loans with No Related ACL	0	2,833
Nonaccrual Loans with a Related ACL	5,380	1,471
Total Nonaccrual Loans	5,380	4,304
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	27
Nonaccrual Loans with a Related ACL	0	58
Total Nonaccrual Loans	0	85
Commercial real estate | Other commercial real estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Nonaccrual Loans with No Related ACL	0	2,806
Nonaccrual Loans with a Related ACL	5,380	1,413
Total Nonaccrual Loans	5,380	4,219
Residential real estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Nonaccrual Loans with No Related ACL	3	725
Nonaccrual Loans with a Related ACL	1,483	2,836
Total Nonaccrual Loans	1,486	3,561
Commercial, financial & agricultural
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Nonaccrual Loans with No Related ACL	752	0
Nonaccrual Loans with a Related ACL	4,575	1,956
Total Nonaccrual Loans	5,327	1,956
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	22	18
Total Nonaccrual Loans	$ 22	$ 18

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: