XML 74 R61.htm IDEA: XBRL DOCUMENT v3.3.1.900

Note 4 - Loans (Details) - Age Analysis of Past Due Loans and Nonaccrual Loans - USD ($)	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consumer and Other
Accruing loans past due	$ 10,967,042	$ 9,708,019
Nonaccrual loans	14,407,679	18,334,265
Current loans	733,260,874	718,051,525
Loans receivable	758,635,595	746,093,809	$ 751,218,462
Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	10,959,243	9,701,377
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	7,799	6,642
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member]
Consumer and Other
Accruing loans past due	490,727	872,321
Nonaccrual loans	576,940	405,398
Current loans	46,714,022	49,682,546
Loans receivable	47,781,689	50,960,265	48,107,448
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	490,727	872,321
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member]
Consumer and Other
Accruing loans past due	71,416	0
Nonaccrual loans	178,021	44,605
Current loans	18,944,060	16,644,839
Loans receivable	19,193,497	16,689,444	10,665,938
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	71,416	0
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Real Estate Portfolio Segment [Member] | Commercial [Member]
Consumer and Other
Accruing loans past due	6,031,257	2,309,114
Nonaccrual loans	7,564,691	5,325,047
Current loans	332,666,085	324,596,686
Loans receivable	346,262,033	332,230,847	341,783,538
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	6,031,257	2,309,114
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Real Estate Portfolio Segment [Member] | Commercial Construction [Member]
Consumer and Other
Accruing loans past due	90,163	141,850
Nonaccrual loans	1,642,666	3,251,290
Current loans	38,373,804	47,865,830
Loans receivable	40,106,633	51,258,970	52,738,783
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	90,163	141,850
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Real Estate Portfolio Segment [Member] | Residential Construction [Member]
Consumer and Other
Accruing loans past due	0	0
Nonaccrual loans	0	0
Current loans	9,413,263	11,220,683
Loans receivable	9,413,263	11,220,683	6,549,260
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Real Estate Portfolio Segment [Member] | Residential [Member]
Consumer and Other
Accruing loans past due	3,682,509	5,782,701
Nonaccrual loans	3,163,571	7,461,507
Current loans	190,156,339	190,508,412
Loans receivable	197,002,419	203,752,620	206,257,927
Real Estate Portfolio Segment [Member] | Residential [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	3,682,509	5,782,701
Real Estate Portfolio Segment [Member] | Residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Real Estate Portfolio Segment [Member] | Farmland [Member]
Consumer and Other
Accruing loans past due	122,696	281,967
Nonaccrual loans	1,103,354	1,449,226
Current loans	60,553,809	48,219,791
Loans receivable	61,779,859	49,950,984	47,034,426
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	122,696	281,967
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	0	0
Consumer and Other Portfolio Segment [Member] | Consumer [Member]
Consumer and Other
Accruing loans past due	477,638	320,066
Nonaccrual loans	178,336	201,695
Current loans	19,949,491	22,298,553
Loans receivable	20,605,465	22,820,314	25,675,560
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	469,839	313,424
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	7,799	6,642
Consumer and Other Portfolio Segment [Member] | Other [Member]
Consumer and Other
Accruing loans past due	636	0
Nonaccrual loans	100	195,497
Current loans	16,490,001	7,014,185
Loans receivable	16,490,737	7,209,682	$ 12,405,582
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financing Receivables, 30-89 Days Past Due [Member]
Consumer and Other
Accruing loans past due	636	0
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Consumer and Other
Accruing loans past due	$ 0	$ 0

X

- References

No definition available.

+ Details

Name:	cban_ConsumerAndOtherAbstract0000
Namespace Prefix:	cban_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Financing receivables that are current.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=cban_FinancingReceivables3089DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cban_CommercialAndAgriculturalPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_CommercialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_AgriculturalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cban_RealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_CommercialConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_ResidentialConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_ResidentialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_FarmlandMember
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:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_ConsumerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cban_OtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: