XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Available-For-Sale Securities in Continuous Unrealized Loss Position (Detail) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value | $ 1,167 | $ 109,950
Available-for-sale Securities, Less than 12 Months, Unrealized Losses | (1) | (544)
Available-for-sale Securities, 12 Months or Longer, Fair Value | 48,701 | 119,438
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (2,863) | (10,027)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 49,868 | 229,388
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (2,864) | (10,571)
Municipal securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value |  | 8,126
Available-for-sale Securities, Less than 12 Months, Unrealized Losses |  | (48)
Available-for-sale Securities, 12 Months or Longer, Fair Value | 767 | 10,393
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (7) | (309)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 767 | 18,519
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (7) | (357)
U.S. Agency securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value |  | 4,441
Available-for-sale Securities, Less than 12 Months, Unrealized Losses |  | (5)
Available-for-sale Securities, 12 Months or Longer, Fair Value |  | 23,922
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses |  | (746)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 28,363
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | (751)
Single Issue Trust Preferred Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, 12 Months or Longer, Fair Value | 19,323 | 47,832
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (2,772) | (8,050)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 19,323 | 47,832
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (2,772) | (8,050)
Corporate securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value |  | 70,333
Available-for-sale Securities, Less than 12 Months, Unrealized Losses |  | (238)
Available-for-sale Securities, 12 Months or Longer, Fair Value | 15,022 |
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (5) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 15,022 | 70,333
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (5) | (238)
Mortgage-backed Agency securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value | 1,167 | 27,050
Available-for-sale Securities, Less than 12 Months, Unrealized Losses | (1) | (253)
Available-for-sale Securities, 12 Months or Longer, Fair Value | 13,589 | 37,291
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (79) | (922)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 14,756 | 64,341
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ (80) | $ (1,175)

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_NontaxableMunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=fcbc_SingleIssueTrustPreferredSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=fcbc_MortgageBackedSecuritiesAgencyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |