Note 15 - Mortgage Banking Activities - Mortgage Banking Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net gain on sale of mortgage loans held for sale	$ 412	$ 922	$ 504	$ 2,118
Net change in fair value recognized on loans held for sale	70	0	43	0
Net change in fair value recognized on rate lock loan commitments	797	0	1,189	0
Net gain recognized	465	922	1,101	2,118
Net loan servicing income	1,215	333	1,917	588
Amortization	(856)	(174)	(1,337)	(426)
Change in mortgage servicing rights valuation allowance	0	0	0	0
Net servicing income recognized	359	159	580	162
Other mortgage banking income	471	222	617	467
Total mortgage banking income	1,295	1,303	2,298	2,747
Foreign Exchange Forward [Member]
Net change in fair value recognized on forward contracts	$ (814)	$ 0	$ (635)	$ 0