Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Federal Home Loan Bank, Advances [Line Items]
Advances from Federal Home Loan Banks, Total	$ 2,400	$ 6,000
Federal Home Loan Bank, Advances One [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Interest Rate, Type	Fixed Rate	Fixed Rate
Federal Home Loan Bank, Advances, Date	Jun. 01, 2017	Feb. 25, 2016
Federal Home Loan Bank, Advances, Interest Rate	1.06%	2.65%
Advances from Federal Home Loan Banks, Total	$ 800	$ 1,000
Federal Home Loan Bank, Advances Two [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Interest Rate, Type	Fixed Rate	Fixed Rate
Federal Home Loan Bank, Advances, Date	Dec. 01, 2017	Apr. 11, 2016
Federal Home Loan Bank, Advances, Interest Rate	1.27%	2.71%
Advances from Federal Home Loan Banks, Total	$ 800	$ 1,000
Federal Home Loan Bank, Advances Three [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Interest Rate, Type	Fixed Rate	Fixed Rate
Federal Home Loan Bank, Advances, Date	Jun. 01, 2018	Jun. 01, 2016
Federal Home Loan Bank, Advances, Interest Rate	1.48%	0.56%
Advances from Federal Home Loan Banks, Total	$ 800	$ 800
Federal Home Loan Bank, Advances Four [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Interest Rate, Type		Fixed Rate
Federal Home Loan Bank, Advances, Date		Dec. 01, 2016
Federal Home Loan Bank, Advances, Interest Rate		0.81%
Advances from Federal Home Loan Banks, Total		$ 800
Federal Home Loan Bank, Advances Five [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Interest Rate, Type		Fixed Rate
Federal Home Loan Bank, Advances, Date		Jun. 01, 2017
Federal Home Loan Bank, Advances, Interest Rate		1.06%
Advances from Federal Home Loan Banks, Total		$ 800
Federal Home Loan Bank, Advances Six [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Interest Rate, Type		Fixed Rate
Federal Home Loan Bank, Advances, Date		Dec. 01, 2017
Federal Home Loan Bank, Advances, Interest Rate		1.27%
Advances from Federal Home Loan Banks, Total		$ 800
Federal Home Loan Bank, Advances Seven [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Interest Rate, Type		Fixed Rate
Federal Home Loan Bank, Advances, Date		Jun. 01, 2018
Federal Home Loan Bank, Advances, Interest Rate		1.48%
Advances from Federal Home Loan Banks, Total		$ 800

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

+ Details

Name:	us-gaap_AdvancesFromFederalHomeLoanBanks
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

+ References

No definition available.

+ Details

Name:	us-gaap_FederalHomeLoanBankAdvancesInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Discloses the date of maturity for the advances from the Federal Home Loan Bank, as of the Balance Sheet date.

+ References

No definition available.

+ Details

Name:	vbfc_FederalHomeLoanBankAdvancesDate
Namespace Prefix:	vbfc_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Describes the basis for the interest rate applicable to the Federal Home Loan Bank advances of the entity as of Balance Sheet date.

+ References

No definition available.

+ Details

Name:	vbfc_FederalHomeLoanBankAdvancesInterestRateType
Namespace Prefix:	vbfc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	vbfc_FederalHomeLoanBankAdvanceAxis=vbfc_FederalHomeLoanBankAdvancesOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vbfc_FederalHomeLoanBankAdvanceAxis=vbfc_FederalHomeLoanBankAdvancesTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vbfc_FederalHomeLoanBankAdvanceAxis=vbfc_FederalHomeLoanBankAdvancesThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vbfc_FederalHomeLoanBankAdvanceAxis=vbfc_FederalHomeLoanBankAdvancesFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vbfc_FederalHomeLoanBankAdvanceAxis=vbfc_FederalHomeLoanBankAdvancesFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vbfc_FederalHomeLoanBankAdvanceAxis=vbfc_FederalHomeLoanBankAdvancesSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vbfc_FederalHomeLoanBankAdvanceAxis=vbfc_FederalHomeLoanBankAdvancesSevenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: