Note 11 - Derivative Instruments and Hedging Activities - Notional or Contractual Amounts and Fair Values of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Notional or contractual amount	$ 2,637	$ 3,109
Derivative assets	41	116
Derivative liabilities	0	0
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Notional or contractual amount	2,637	3,109
Derivative assets	41	116
Derivative liabilities	0	0
Interest Rate Swap [Member] \| Not Designated as Hedging Instrument [Member]
Notional or contractual amount	0	0
Derivative assets	0	0
Derivative liabilities	$ 0	$ 0

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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+ Details

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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+ Details

FIRST COMMUNITY BANKSHARES INC /VA/ 10-K