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Note 2 - Divestitures (Details Textual) - USD ($) $ in Thousands	Sep. 16, 2022	Apr. 21, 2023	Mar. 31, 2023	Dec. 31, 2022
Deposits, Total			$ 2,584,624	$ 2,678,815	[1]
Interest-Bearing Domestic Deposit, Demand			661,595	679,609
Interest-Bearing Domestic Deposit, Savings			558,782	578,974
Assets			$ 3,051,672	$ 3,135,572	[1]
Surrey [Member] | Subsequent Event [Member]
Deposits, Total		$ 405,000
Assets		468,000
Financing Receivable, after Allowance for Credit Loss		$ 253,000
Disposal Group, Not Discontinued Operations [Member] | Emporia, Virginia Branch [Member] | Benchmark Community Bank [Member]
Disposal Group, Proceeds From Real Estate and Property	$ 1,500
Deposits, Total	61,050
Noninterest-Bearing Domestic Deposit, Demand	18,380
Interest-Bearing Domestic Deposit, Demand	28,460
Interest-Bearing Domestic Deposit, Savings	11,520
Interest-Bearing Domestic Deposit, Time Deposits, Total	2,690
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ 1,660
[1] Derived from audited financial statements

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