Note 15 - Other Comprehensive Income - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Reclassification adjustment gains included in net income	$ (162)	$ 0
Income tax expense	697	917
Net of tax amount	128	(0)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification adjustment gains included in net income	(162)	0
Income tax expense	34	0
Net of tax amount	$ (128)	$ 0