Note 12 - Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Balances of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Balance	$ 258,871	$ 276,732
Balance	259,870	278,079
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(6,142)	(427)
Other comprehensive income (loss) before reclassifications	684	(2,167)
Amounts reclassified from accumulated other comprehensive income (loss)	(92)	0
Net current period other comprehensive income (loss)	592	(2,167)
Balance	(5,550)	(2,594)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance	(107)	55
Other comprehensive income (loss) before reclassifications	(426)	4
Amounts reclassified from accumulated other comprehensive income (loss)	173	97
Net current period other comprehensive income (loss)	(253)	101
Balance	(360)	156
AOCI Attributable to Parent [Member]
Balance	(6,249)	(372)
Other comprehensive income (loss) before reclassifications	258	(2,163)
Amounts reclassified from accumulated other comprehensive income (loss)	81	97
Net current period other comprehensive income (loss)	339	(2,066)
Balance	$ (5,910)	$ (2,438)