XML 84 R70.htm IDEA: XBRL DOCUMENT v3.6.0.2

Recorded Investment and Contractual Unpaid Principal Balance of PCI Loans, by Acquisition (Detail) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	[1]	$ 26,973	$ 36,936
Unpaid Principal Balance	[1]	29,088	38,563
PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		28,429	42,642
Unpaid Principal Balance		55,548	75,697
Peoples | PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		5,576	6,681
Unpaid Principal Balance		9,397	11,249
Waccamaw Bank | PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		21,758	34,707
Unpaid Principal Balance		45,030	63,151
Other | PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment		1,095	1,254
Unpaid Principal Balance		$ 1,121	$ 1,297
[1] Includes loans totaling $16.89 million as of December 31, 2016, and $14.22 million as of December 31, 2015, that do not meet the Company's evaluation threshold for individual impairment and are therefore collectively evaluated for impairment

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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fcbc_PurchasedCreditImpairedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcbc_PeoplesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcbc_WaccamawBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcbc_OthersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: