Note 15 - Mortgage Banking Activities - Notional amounts and Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Mortgage loans held for sale, at carrying amount	$ 5,703	$ 6,111
Mortgage loans held for sale, at fair value	5,758	6,247
Derivative assets	3,244	4,501
Rate Lock Loan Commitments [Member]
Derivative, notional amount	15,175	7,799
Derivative assets	451	333
Mandatory Forward Contract [Member]
Derivative, notional amount	15,250	0
Derivative assets	85	0
Derivative, notional amount	0	10,250
Derivative liabilities	$ 0	$ 49

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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