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Deferred amounts on loans receivable related to loan modification programs offered to financial institution customers affected by COVID-19.

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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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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of assets acquired at the acquisition date.

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Amount of financing receivable modified as troubled debt restructuring.

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Note 1 - Nature of Banking Activities and Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended			12 Months Ended
	Sep. 30, 2021	Jul. 01, 2021	Jun. 30, 2020	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Deferred Payments				$ 0			$ 0
Financing Receivable, Modifications, Interest Only Payments				11,500			11,500
Loans and Leases Receivable, Net Amount, Total				819,408		$ 622,429	819,408	$ 622,429
Financing Receivable, Troubled Debt Restructuring				1,600		$ 6,000	1,600	6,000
Advertising Expense							487	208
Business Combination, Consideration Transferred, Total							117,566
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total				352,449			$ 352,449
Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							10 years
Fincastle and SmartBank [Member]
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price, Total					$ 0
The Bank of Fincastle [Member]
Business Combination, Consideration Transferred, Total		$ 33,821
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total		$ 270,497
Smartbank [Member]
Business Combination, Consideration Transferred, Total	$ 83,745
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total	$ 81,952				$ 81,952
SBA CARES Act Paycheck Protection Program [Member]
Loans and Leases Receivable, Net Amount, Total				12,500			$ 12,500
Amortization of Deferred Loan Origination Fees, Net							2,000	$ 824
Loans and Leases Receivable, Deferred Income, Total				367,000			367,000
SBA CARES Act Paycheck Protection Program [Member] \| Maturing in Second and Third Quarters of 2022 [Member]
Loans and Leases Receivable, Net Amount, Total				159,000			159,000
SBA CARES Act Paycheck Protection Program [Member] \| Maturing in First and Second Quarters of 2026 [Member]
Loans and Leases Receivable, Net Amount, Total				$ 12,300			12,300
Minimum [Member]
Financing Receivable, Modifications, Interest Only Payments, Period (Month)				6 months		6 months
Amount of Substandard and Doubtful Loans Evaluated as Impaired							$ 250
Minimum [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							6 years
Minimum [Member] \| Premises and Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)							3 years
Minimum [Member] \| Software and Software Development Costs [Member]
Property, Plant and Equipment, Useful Life (Year)							3 years
Maximum [Member]
Financing Receivable, Modifications, Interest Only Payments, Period (Month)				24 months		24 months
Maximum [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							10 years
Maximum [Member] \| Premises and Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)							40 years
Maximum [Member] \| Software and Software Development Costs [Member]
Property, Plant and Equipment, Useful Life (Year)							7 years
Subordinated Debt [Member]
Proceeds from Issuance of Debt			$ 5,000