XML 72 R58.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Amortized Cost and Fair Value of Available-For-Sale Securities, Including Gross Unrealized Gains and Losses (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost | $ 166,450 | $ 372,389
Available for sale, Unrealized Gains | 2,345 | 4,355
Available for sale, Unrealized Losses | (3,216) | (10,571)
Available for sale, Fair Value | 165,579 | 366,173
U.S. Agency securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost | 1,342 | 31,414
Available for sale, Unrealized Gains | 3 | 39
Available for sale, Unrealized Losses |  | (751)
Available for sale, Fair Value | 1,345 | 30,702
Single Issue Trust Preferred Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost | 22,104 | 55,882
Available for sale, Unrealized Losses | (2,165) | (8,050)
Available for sale, Fair Value | 19,939 | 47,832
Corporate securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost |  | 70,571
Available for sale, Unrealized Losses |  | (238)
Available for sale, Fair Value |  | 70,333
Mortgage-backed Agency securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost | 31,290 | 84,576
Available for sale, Unrealized Gains | 66 | 155
Available for sale, Unrealized Losses | (465) | (1,175)
Available for sale, Fair Value | 30,891 | 83,556
Equity Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost | 55 | 66
Available for sale, Unrealized Gains | 18 | 6
Available for sale, Fair Value | 73 | 72
Municipal securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost | 111,659 | 124,880
Available for sale, Unrealized Gains | 2,258 | 4,155
Available for sale, Unrealized Losses | (586) | (357)
Available for sale, Fair Value | $ 113,331 | 128,678
Certificates of deposit |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available for sale, Amortized Cost |  | 5,000
Available for sale, Fair Value |  | $ 5,000

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
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_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: |

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

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

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