XML 78 R68.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 12 - Regulatory Capital Matters (Details Textual) | Jan. 01, 2016
--- | ---
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets Rule 1 | 0.625%
Increase in Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 0.625%
Tier 1 Capital Conservation Buffer of Risk Weighted Assets | 2.50%

X
- Definition The increase in minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action as per Basel III framework. + References No definition available. + Details
Name: | cban_IncreaseInTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
Namespace Prefix: | cban_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Tier 1 Capital conversion buffer of risk weighted assets as per Basel III framework. + References No definition available. + Details
Name: | cban_Tier1CapitalConservationBufferOfRiskWeightedAssets
Namespace Prefix: | cban_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The new minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action as per Basel III framework. + References No definition available. + Details
Name: | cban_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsRule1
Namespace Prefix: | cban_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant