XML 26 R57.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Loans, Past Due (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | $ 14,911,278 | $ 7,160,564 |
Accruing Loans 90 Days or More Past Due | 4,355 | 15,160 |
Total Accruing Loans Past Due | 14,915,633 | 7,175,724 |
Nonaccrual Loans | 29,850,735 | 38,821,632 |
Current Loans | 702,283,643 | 670,323,965 |
Total Loans | 747,050,011 | 716,321,321 | 813,250,673
Interest income | 1,634,600 | 1,639,800 | 1,621,700
Commercial [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 797,612 | 644,899 |
Accruing Loans 90 Days or More Past Due | 0 | 0 |
Total Accruing Loans Past Due | 797,612 | 644,899 |
Nonaccrual Loans | 1,033,371 | 2,102,522 |
Current Loans | 53,853,509 | 46,238,681 |
Total Loans | 55,684,492 | 48,986,102 |
Agricultural [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 28,228 | 0 |
Accruing Loans 90 Days or More Past Due | 0 | 0 |
Total Accruing Loans Past Due | 28,228 | 0 |
Nonaccrual Loans | 39,213 | 85,670 |
Current Loans | 6,143,512 | 8,336,214 |
Total Loans | 6,210,953 | 8,421,884 | 10,551,791
Commercial Construction [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 1,309,618 | 513,905 |
Accruing Loans 90 Days or More Past Due | 0 | 0 |
Total Accruing Loans Past Due | 1,309,618 | 513,905 |
Nonaccrual Loans | 14,032,580 | 23,578,263 |
Current Loans | 38,465,858 | 34,453,652 |
Total Loans | 53,808,056 | 58,545,820 | 72,309,231
Residential Construction [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 0 | 33,541 |
Accruing Loans 90 Days or More Past Due | 0 | 0 |
Total Accruing Loans Past Due | 0 | 33,541 |
Nonaccrual Loans | 0 | 0 |
Current Loans | 5,852,238 | 3,496,961 |
Total Loans | 5,852,238 | 3,530,502 | 4,373,011
Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 3,771,106 | 2,930,743 |
Accruing Loans 90 Days or More Past Due | 0 | 0 |
Total Accruing Loans Past Due | 3,771,106 | 2,930,743 |
Nonaccrual Loans | 6,629,789 | 9,193,650 |
Current Loans | 323,985,282 | 303,156,355 |
Total Loans | 334,386,177 | 315,280,748 | 362,878,565
Residential [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 8,223,174 | 2,251,009 |
Accruing Loans 90 Days or More Past Due | 0 | 15,160 |
Total Accruing Loans Past Due | 8,223,174 | 2,266,169 |
Nonaccrual Loans | 5,429,971 | 3,110,032 |
Current Loans | 190,191,377 | 188,261,616 |
Total Loans | 203,844,522 | 193,637,817 |
Farmland [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 140,095 | 376,426 |
Accruing Loans 90 Days or More Past Due | 0 | 0 |
Total Accruing Loans Past Due | 140,095 | 376,426 |
Nonaccrual Loans | 2,413,104 | 486,683 |
Current Loans | 46,503,662 | 47,362,297 |
Total Loans | 49,056,861 | 48,225,406 | 52,778,389
Consumer [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 636,888 | 410,041 |
Accruing Loans 90 Days or More Past Due | 4,355 | 0 |
Total Accruing Loans Past Due | 641,243 | 410,041 |
Nonaccrual Loans | 255,216 | 221,360 |
Current Loans | 28,881,317 | 29,817,902 |
Total Loans | 29,777,776 | 30,449,303 |
Other [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Accruing Loans 30 to 89 Days Past Dues | 4,557 | 0 |
Accruing Loans 90 Days or More Past Due | 0 | 0 |
Total Accruing Loans Past Due | 4,557 | 0 |
Nonaccrual Loans | 17,491 | 43,452 |
Current Loans | 8,406,888 | 9,200,287 |
Total Loans | $ 8,428,936 | $ 9,243,739 |

X
- Definition Financing receivables that are less than 90 days past due but more than 29 days past due. + References No definition available. + Details
Name: | cban_AccruingLoans30To89DaysPastDues
Namespace Prefix: | cban_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract
Namespace Prefix: | us-gaap_
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=7512638&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing receivables that are equal to or greater than 90 days past due. + 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=7512638&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue
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=7512638&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=7512638&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=6375948&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph j(ii) -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 15 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration