XML 37 R109.htm IDEA: XBRL DOCUMENT v2.4.1.9

Aggregate Contractual or Notional Amounts of Derivative Financial Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Feb. 28, 2014	Oct. 31, 2013
Derivative [Line Items]
Notional or Contractual Amount	$ 8,937invest_DerivativeNotionalAmount	$ 11,690invest_DerivativeNotionalAmount
Derivative Assets	5us-gaap_DerivativeAssets	84us-gaap_DerivativeAssets
Derivative Liabilities	214us-gaap_DerivativeLiabilities	41us-gaap_DerivativeLiabilities
Derivatives Not Designated As Hedges
Derivative [Line Items]
Notional or Contractual Amount	4,574invest_DerivativeNotionalAmount / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember	8,237invest_DerivativeNotionalAmount / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Derivative Assets	5us-gaap_DerivativeAssets / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember	41us-gaap_DerivativeAssets / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Derivative Liabilities	5us-gaap_DerivativeLiabilities / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember	41us-gaap_DerivativeLiabilities / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Interest Rate Swaps Agreement
Derivative [Line Items]
Notional or Contractual Amount			4,370invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember	3,500invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember
Interest Rate Swaps Agreement | Designated as Hedging Instrument
Derivative [Line Items]
Notional or Contractual Amount	4,363invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember	3,453invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember
Derivative Assets		43us-gaap_DerivativeAssets / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember
Derivative Liabilities	209us-gaap_DerivativeLiabilities / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember
IRLCs | Derivatives Not Designated As Hedges
Derivative [Line Items]
Notional or Contractual Amount	1,391invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateLockCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember	3,677invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateLockCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Derivative Assets	5us-gaap_DerivativeAssets / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateLockCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Derivative Liabilities		41us-gaap_DerivativeLiabilities / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateLockCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Forward Sale Loan Commitments | Derivatives Not Designated As Hedges
Derivative [Line Items]
Notional or Contractual Amount	3,183invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = fcbc_ForwardSalesCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember	4,560invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = fcbc_ForwardSalesCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Derivative Assets		41us-gaap_DerivativeAssets / us-gaap_DerivativeInstrumentRiskAxis = fcbc_ForwardSalesCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember
Derivative Liabilities	$ 5us-gaap_DerivativeLiabilities / us-gaap_DerivativeInstrumentRiskAxis = fcbc_ForwardSalesCommitmentsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958



Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313

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