Note 6 - Other Comprehensive Income (Loss) - Components of Other Comprehensive (Loss) Income and Related Tax Effects (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Gross unrealized losses arising during the period	$ (9,100)	$ (957)	$ (30,782)	$ (2,092)
Gross unrealized losses arising during the period	(1,911)	(269)	(7,324)	(584)
Gross unrealized losses arising during the period	(7,189)	(688)	(23,458)	(1,508)
Other comprehensive loss	(9,100)	(957)	(30,782)	(2,092)
Other comprehensive loss	(1,911)	(269)	(7,324)	(584)
Other comprehensive loss	$ (7,189)	$ (688)	$ (23,458)	$ (1,508)

Amount before tax of other comprehensive income (loss) attributable to parent entity.

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