Note 15 - Mortgage Banking Activities - Mortgage Banking Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net gain realized on sale of mortgage loans held for sale	$ 530	$ 412	$ 745	$ 504
Net change in fair value recognized on loans held for sale	(34)	70	17	43
Net change in fair value recognized on rate lock loan commitments	(104)	797	226	1,189
Net gain recognized	565	465	1,115	1,101
Net loan servicing income	1,120	1,215	2,307	1,917
Amortization	(762)	(856)	(1,523)	(1,337)
Change in mortgage servicing rights valuation allowance	0	0	0	0
Net servicing income recognized	358	359	784	580
Other mortgage banking income	107	471	169	617
Total mortgage banking income	1,030	1,295	2,068	2,298
Foreign Exchange Forward [Member]
Net change in fair value recognized on forward contracts	$ 173	$ (814)	$ 127	$ (635)