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v2.4.1.9

Effect of Derivative and Hedging Activity, on Statement of Income (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Derivatives designated as hedges |
Derivative, Gain (Loss) on Derivative, Net | $ (128)us-gaap_DerivativeGainLossOnDerivativeNet
Derivatives Not Designated As Hedges |
Derivatives designated as hedges |
Derivative, Gain (Loss) on Derivative, Net | (128)us-gaap_DerivativeGainLossOnDerivativeNet / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
IRLCs | Derivatives Not Designated As Hedges | Other Income |
Derivatives designated as hedges |
Derivative, Gain (Loss) on Derivative, Net | (169)us-gaap_DerivativeGainLossOnDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateLockCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember
Forward Sale Loan Commitments | Derivatives Not Designated As Hedges | Other Income |
Derivatives designated as hedges |
Derivative, Gain (Loss) on Derivative, Net | $ 41 us-gaap_DerivativeGainLossOnDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = fcbc_ForwardSalesCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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