Note 24 - Mortgage Banking Activities - Notional Amounts and Fair Values (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Mortgage loans held for sale, at fair value	$ 5,965	$ 2,548
Mortgage loans held for sale, at fair value	6,056	2,606
Derivative assets	5,133	10,727
Mandatory Forward Contract [Member]
Derivative, notional amount	6,750
Mandatory forward contracts	(43)
Other Assets [Member] | Rate Lock Loan Commitments [Member]
Derivative, notional amount	4,345	5,599
Derivative assets	$ 174	137
Other Assets [Member] | Mandatory Forward Contract [Member]
Derivative, notional amount		6,581
Derivative assets		$ 47