Note 15 - Other Comprehensive Income - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Reclassification adjustment gains included in net income	$ 0	$ (162)
Income tax expense	652	697
Net of tax amount	(0)	128
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification adjustment gains included in net income	0	(162)
Income tax expense	0	34
Net of tax amount	$ 0	$ (128)