Note 15 - Mortgage Banking Activities - Notional amounts and Fair Values (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Mortgage loans held for sale, at carrying amount	$ 6,317	$ 5,965
Mortgage loans held for sale, at fair value	6,438	6,056
Derivative assets	11,968	5,133
Rate Lock Loan Commitments [Member]
Derivative assets	337	174
Mandatory Forward Contract [Member]
Derivative, notional amount		6,750
Derivative assets	27
Derivative liabilities		(43)
Other Assets [Member] | Rate Lock Loan Commitments [Member]
Derivative, notional amount	9,342	$ 4,345
Other Assets [Member] | Mandatory Forward Contract [Member]
Derivative, notional amount	$ 12,250