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v2.4.0.8

Organization (Details) | 12 Months Ended
--- | ---
Dec. 31, 2013 segment
Organization [Line Items] |
Number of divisions | 2
Lynchburg Virginia [Member] |
Organization [Line Items] |
Number of bank locations | 5
Limited service bank branch | 1
Forest Virginia [Member] |
Organization [Line Items] |
Number of bank locations | 1
Madison Heights [Member] |
Organization [Line Items] |
Number of bank locations | 1
Amherst Virginia [Member] |
Organization [Line Items] |
Number of bank locations | 1
Bedford Virginia [Member] |
Organization [Line Items] |
Number of bank locations | 1
Altavista Virginia [Member] |
Organization [Line Items] |
Number of bank locations | 1

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- Definition Limited Service Bank Banches + References No definition available. + Details
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Namespace Prefix: | cik0001275101_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Number Of Bank Branches + References No definition available. + Details
Name: | cik0001275101_NumberOfBankBranches
Namespace Prefix: | cik0001275101_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | cik0001275101_OrganizationLineItems
Namespace Prefix: | cik0001275101_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration