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Note 7 - FDIC Indemnification Asset (Details Textual) | Dec. 31, 2012
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Percentage of Loss Covered by FDIC | 80.00%

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- Definition Represents the percentage of loss covered by the FDIC. + References No definition available. + Details
Name: | fcbc_PercentageOfLossCoveredByFDIC
Namespace Prefix: | fcbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant