The maximum number of days consumer loans are past due for losses on such loans to be written off.

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The minimum number of days consumer loans are past due for losses on such loans to be written off.

+ References

No definition available.

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Minimum number of days of no loan payments due to loan modification for the loan to be placed on nonaccrual.

+ References

No definition available.

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Number of days loans secured by residential or commercial real estate are past due for losses to be written off.

+ References

No definition available.

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- Definition

Represents the number days of delinquent loans for interest accrual to be discontinued.

+ References

No definition available.

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Number of days that all loans and receivables are not received within certain number of days after the payment due date or statement date, at which point they are considered past due.

+ References

No definition available.

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- Definition

Minimum period of time between issuance of loans commitment and closing and sale of loans.

+ References

No definition available.

+ Details

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- Definition

Maximum period of time between issuance of loans commitment and closing and sale of loans.

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No definition available.

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Represents the amount recorded during the period for reclassification from AOCI to retained earnings related to stranded tax effects from a tax rate change.

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No definition available.

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This is threshold for designation to impaired status for loan relationship that are non accrual, significantly past due, display credit weakness or are TDR.

+ References

No definition available.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount of investment in debt security, measured at amortized cost, transferred to investment in debt security, measured at fair value, with change in fair value recognized in other comprehensive income (available-for-sale) and net income (trading).

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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Amount before tax and reclassification adjustments of unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Debt Securities, Held-to-maturity, Transfer, Amount			$ 119,790
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, before Tax	$ 1,128		1,128
Number of Days of Delinquent Loans Nonaccrual of Interest		90 days
Minimum Number of Days of Discontinued Loan Payments for Modified Loan to be Placed on Nonaccrual		90 days
Number of Days Past Due		30 days
Threshold for Designation to Impaired Status		$ 250
Minimum Number of Days Consumer Loans are Past Due for Losses to be Charged Off		120 days
Maximum Number of Days Consumer Loans are Past Due for Losses to be Charged Off		180 days
Number of Days Loans Secured by Residential Or Commercial Real Estate Are Past Due for Losses to Be Carged Off		180 days
Period of Time Between Issuance of Loan Commitment and Closing and Sale of Loans Lower Range		30 days
Period of Time Between Issuance of Loan Commitments and Closing and Sale of Loans Upper Range		60 days
Goodwill, Impairment Loss		$ 0	$ 0	$ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%	21.00%	35.00%	35.00%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability				$ 1,560
Reclassification of Stranded Tax Effects from Change in Tax Rate
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		0	0
Advertising Expense		$ 120	$ 106	148
ASU 2018-02 [Member]
Reclassification of Stranded Tax Effects from Change in Tax Rate				$ 1,718
National Bank of Blacksburg [Member]
Noncontrolling Interest, Ownership Percentage by Parent		100.00%
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		10 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		12 years
Building [Member]
Property, Plant and Equipment, Useful Life		40 years
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life		3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life		10 years
Computer Equipment [Member]
Property, Plant and Equipment, Useful Life		3 years