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v2.4.1.9

Deposit and Loan Activity with Related Parties (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Related Party Transaction [Line Items] |  |  |
Beginning balance | $ 2,922 us-gaap_RelatedPartyDepositLiabilities | $ 2,589 us-gaap_RelatedPartyDepositLiabilities | $ 3,837 us-gaap_RelatedPartyDepositLiabilities
Increase in deposits, including new accounts | 1,321 fcbc_InterestBearingDepositLiabilitiesNewAccountDeposits | 907 fcbc_InterestBearingDepositLiabilitiesNewAccountDeposits | 311 fcbc_InterestBearingDepositLiabilitiesNewAccountDeposits
Decrease in deposits, including closed accounts | (423)us-gaap_IncreaseDecreaseInOtherDeposits | (574)us-gaap_IncreaseDecreaseInOtherDeposits | (1,559)us-gaap_IncreaseDecreaseInOtherDeposits
Net change in deposits | 898 fcbc_IncreaseDecreaseInRelatedPartyDepositLiabilities | 333 fcbc_IncreaseDecreaseInRelatedPartyDepositLiabilities | (1,248)fcbc_IncreaseDecreaseInRelatedPartyDepositLiabilities
Ending balance | 3,820 us-gaap_RelatedPartyDepositLiabilities | 2,922 us-gaap_RelatedPartyDepositLiabilities | 2,589 us-gaap_RelatedPartyDepositLiabilities
Beginning balance | 17,181 us-gaap_LoansAndLeasesReceivableRelatedParties | 16,617 us-gaap_LoansAndLeasesReceivableRelatedParties | 18,406 us-gaap_LoansAndLeasesReceivableRelatedParties
Increase in existing loans, including new loans | 6,123 us-gaap_LoansAndLeasesReceivableRelatedPartiesAdditions | 2,037 us-gaap_LoansAndLeasesReceivableRelatedPartiesAdditions | 2,580 us-gaap_LoansAndLeasesReceivableRelatedPartiesAdditions
Decrease in existing loans, including loans paid off | (478)us-gaap_LoansAndLeasesReceivableRelatedPartiesCollections | (1,473)us-gaap_LoansAndLeasesReceivableRelatedPartiesCollections | (4,369)us-gaap_LoansAndLeasesReceivableRelatedPartiesCollections
Net change in loans | 5,645 us-gaap_LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease | 564 us-gaap_LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease | (1,789)us-gaap_LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease
Ending balance | $ 22,826 us-gaap_LoansAndLeasesReceivableRelatedParties | $ 17,181 us-gaap_LoansAndLeasesReceivableRelatedParties | $ 16,617 us-gaap_LoansAndLeasesReceivableRelatedParties

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- Definition Increase (Decrease) in Related Party Deposit Liabilities + References No definition available. + Details
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- Definition Interest Bearing Deposit Liabilities, New Account Deposits + References No definition available. + Details
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- Definition Net cash inflow or outflow in all other deposits that have not otherwise been stated in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 + Details
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- Definition For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(e)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph e -Article 9 + Details
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- Definition Reflects the amount of new advances made to related parties in the form of loan and lease receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(e)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph e -Article 9 + Details
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- Definition Reflects the amount of collections received from related parties to reduce the carrying amounts of loans and leases receivable due from them. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(e)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph e -Article 9 + Details
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- Definition Reflects the sum for the period of the additions and reductions to related party loans, which when added to the opening balance of related party loan will agree to the ending balance of such loans. This subtotal typically is not reflected. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(e)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph e -Article 9 + Details
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- Definition Amount of deposits held by the entity for a related party (entity, shareholder, employee). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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