XML 92 R131.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Quantitative Information for Assets Measured at Fair Value on Nonrecurring Basis (Detail) (Fair Value on Nonrecurring Basis) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Impaired Loans |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Valuation Technique | Discounted appraisals | [1] |
Unobservable Input | Appraisal adjustments | [2] |
OREO | Not covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Valuation Technique | Discounted appraisals | [1] |
Unobservable Input | Appraisal adjustments | [2] |
OREO | Covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Valuation Technique | Discounted appraisals | [1] |
Unobservable Input | Appraisal adjustments | [2] |
Minimum | Impaired Loans |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 1.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  | 6.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Minimum | OREO | Not covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 10.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioOneMember |  | 0.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioOneMember
Minimum | OREO | Covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 10.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioTwoMember |  | 4.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioTwoMember
Maximum | Impaired Loans |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 33.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  | 100.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | OREO | Not covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 47.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioOneMember |  | 65.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioOneMember
Maximum | OREO | Covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 52.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioTwoMember |  | 70.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioTwoMember
Average | Impaired Loans |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 22.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember |  | 47.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
Average | OREO | Not covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 26.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioOneMember |  | 34.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioOneMember
Average | OREO | Covered by loss share agreements |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Weighted Average | 44.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioTwoMember |  | 41.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = fcbc_OreoMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_StatementScenarioAxis = fcbc_ScenarioTwoMember
[1] | Fair value is generally based on appraisals of the underlying collateral.
[2] | Appraisals may be adjusted by management for customized discounting criteria, estimated sales costs, and proprietary qualitative adjustments.

X
- Definition Fair value disclosure unobservable input. + References No definition available. + Details
Name: | fcbc_FairValueDisclosureUnobservableInput
Namespace Prefix: | fcbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueInputsDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementsValuationTechniques
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |