XML 48 R75.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Credit Quality - Additional information (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Minimum commercial loan relationships to be reviewed by loan review function | $ 3,000,000 |  |
Restructured loans to borrowers experiencing financial difficulty in excess of | 250,000 |  |
Performing status returned period | 6 months |  |
Allowance for loan losses | 1,840,000 | 1,870,000 |
Interest income recognized on loan restructurings | 551,000 | 640,000 | 411,000
Covered Loans |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Accruing loans contractually past due 90 days or more | 86,000 |  |
Waccamaw Bank |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Percentage of loan and foreclosed real estate losses covered by FDIC | 80.00% | 80.00% |
Amount of non-covered loans decreased | 42,990,000 |  |
Percentage of non-covered loans decreased | 27.68% |  |
Amount of covered loans decreased | $ 84,150,000 |  |
Percentage of covered loans decreased | 66.97% |  |
Minimum |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Number of impaired loans | 4 |  |
Maximum |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Number of impaired loans | 7 |  |

X
- Definition Allowance for loan losses. + References No definition available. + Details
Name: | fcbc_AllowanceForLoanLosses
Namespace Prefix: | fcbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total commercial loans. + References No definition available. + Details
Name: | fcbc_CommercialLoans
Namespace Prefix: | fcbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financing Receivable Covered Loans Net + References No definition available. + Details
Name: | fcbc_FinancingReceivableCoveredLoansNet
Namespace Prefix: | fcbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Interest income recognized on loan restructurings. + References No definition available. + Details
Name: | fcbc_InterestIncomeRecognizedOnLoanRestructurings
Namespace Prefix: | fcbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Loans And Leases Receivable Impaired Number Of Loans + References No definition available. + Details
Name: | fcbc_LoansAndLeasesReceivableImpairedNumberOfLoans
Namespace Prefix: | fcbc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of Covered Loans + References No definition available. + Details
Name: | fcbc_PercentageOfCoveredLoans
Namespace Prefix: | fcbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Percentage of Non-Covered Loans + References No definition available. + Details
Name: | fcbc_PercentageOfNonCoveredLoans
Namespace Prefix: | fcbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Performing status returned period. + References No definition available. + Details
Name: | fcbc_PerformingStatusReturnedPeriod
Namespace Prefix: | fcbc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restructured loans reserves. + References No definition available. + Details
Name: | fcbc_RestructuredLoansReserves
Namespace Prefix: | fcbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total Noncovered Loans, Net + References No definition available. + Details
Name: | fcbc_TotalNoncoveredLoansNet
Namespace Prefix: | fcbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant