Note 24 - Mortgage Banking Activities - Mortgage Banking Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net gain on sale of mortgage loans held for sale	$ 1,690	$ 521	$ 3,602
Net change in fair value recognized on loans held for sale	33	0	0
Net change in fair value recognized on rate lock loan commitments	23	1,821	0
Net gain recognized	1,896	1,240	3,602
Net loan servicing income	4,387	4,200	1,448
Amortization	(2,961)	(3,072)	(1,092)
Change in mortgage servicing rights valuation allowance	0	0	0
Net servicing income recognized	1,426	1,128	356
Other mortgage banking income	383	842	766
Total mortgage banking income	3,705	3,210	4,724
Foreign Exchange Forward [Member]
Net change in fair value recognized on forward contracts	$ 150	$ (1,102)	$ 0