Note 16 - Mortgage Banking Activities - Mortgage Banking Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net gain on sale of mortgage loans held for sale	$ 215	$ 92
Net change in fair value recognized on loans held for sale	50	(27)
Net change in fair value recognized on rate lock loan commitments	330	392
Net gain recognized	548	636
Net loan servicing income	1,188	702
Amortization	(761)	(481)
Change in mortgage servicing rights valuation allowance	0	0
Net servicing income recognized	427	221
Other mortgage banking income	63	146
Total mortgage banking income	1,038	1,003
Foreign Exchange Forward [Member]
Net change in fair value recognized on forward contracts	$ (47)	$ 179